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CommitLineData
d508d708
GA		 12024-05-08 Marek Polacek <polacek@redhat.com>
2
3 PR c++/113582
4 * c-warn.cc (warn_for_unused_label): Don't warn if -Wunused-label has
5 been suppressed for the label.
6
72024-05-07 Andrew Pinski <quic_apinski@quicinc.com>
8
9 PR c++/89224
10 * c-common.cc (convert_vector_to_array_for_subscript): Call build_qualified_type
11 for the inner type.
12
132024-05-07 Jakub Jelinek <jakub@redhat.com>
14
15 PR c++/114459
16 * c-cppbuiltin.cc (c_cpp_builtins): Predefine
17 __cpp_variadic_friend=202403L for C++26.
18
192024-05-07 Richard Biener <rguenther@suse.de>
20
21 PR middle-end/114931
22 * c-common.cc (complete_array_type): Set TYPE_STRUCTURAL_EQUALITY_P
23 before probing with type_hash_canon.
24
f2d01160
GA		 252024-05-02 Jakub Jelinek <jakub@redhat.com>
26
27 PR c++/114458
28 * c-cppbuiltin.cc (c_cpp_builtins): Predefine
29 __cpp_deleted_function=202403L for C++26.
30
610415bb
GA		 312024-04-30 Jakub Jelinek <jakub@redhat.com>
32
33 PR c++/114456
34 * c-cppbuiltin.cc (c_cpp_builtins): Predefine
35 __cpp_structured_bindings for C++26 to 202403L rather than
36 201606L.
37
3091f1df
GA		 382024-04-23 Jakub Jelinek <jakub@redhat.com>
39
40 * c-attribs.cc (handle_objc_nullability_attribute): Spelling fix:
41 recognised -> recognized.
42
432024-04-23 Jakub Jelinek <jakub@redhat.com>
44
45 * c.opt (Wstrict-flex-arrays): Spelling fix: inproper -> improper.
46
90ded751
GA		 472024-04-19 Jakub Jelinek <jakub@redhat.com>
48
49 PR c/114780
50 * c-common.cc (check_function_sentinel): Allow as sentinel any
51 argument of NULLPTR_TYPE.
52
3319d1a4
GA		 532024-04-13 Mark Wielaard <mark@klomp.org>
54
55 * c.opt.urls: Regenerate.
56
1667962a
GA		 572024-04-12 Jason Merrill <jason@redhat.com>
58 Patrick Palka <ppalka@redhat.com>
59
60 PR c++/113141
61 * c.opt: Add -Wcast-user-defined.
62
1a96eb0a
GA		 632024-04-05 Marek Polacek <polacek@redhat.com>
64
65 * c-warn.cc (warn_about_parentheses): Remove an #undef.
66
feafff04
GA		 672024-03-27 Jakub Jelinek <jakub@redhat.com>
68
69 PR tree-optimization/114469
70 * c-common.cc (resolve_overloaded_builtin): For _BitInt result
71 on !extended targets convert result to the _BitInt type before
72 using VIEW_CONVERT_EXPR.
73
4b8e7b57
GA		 742024-03-26 Jakub Jelinek <jakub@redhat.com>
75
76 PR c++/112724
77 * c-pretty-print.cc (pp_c_cast_expression,
78 c_pretty_printer::expression): Handle EXCESS_PRECISION_EXPR like
79 NOP_EXPR.
80
cc606a91
GA		 812024-03-19 Jakub Jelinek <jakub@redhat.com>
82
83 PR c/114364
84 * c-omp.cc (enum check_loop_binding_expr_ctx): New type.
85 (check_loop_binding_expr): Remove context argument, add ctx
86 argument with check_loop_binding_expr_ctx type at the end. Don't
87 create diagnostic message from multiple pieces.
88 (c_omp_check_loop_binding_exprs): Adjust callers.
89
c775a030
GA		 902024-03-08 Jakub Jelinek <jakub@redhat.com>
91
92 * c-common.cc (resolve_overloaded_atomic_exchange): Instead of setting
93 p1 to VIEW_CONVERT_EXPR<I_type> (*p1), set it to MEM_REF with p1 and
94 (typeof (p1)) 0 operands and I_type type.
95 (resolve_overloaded_atomic_compare_exchange): Similarly for p2.
96
214dadf3
GA		 972024-03-05 Mark Wielaard <mark@klomp.org>
98
99 * c.opt.urls: Regenerate.
100
1012024-03-05 Patrick Palka <ppalka@redhat.com>
102
103 * c.opt (Wglobal-module): New warning.
104
264e3ad4
GA		 1052024-03-04 Mark Wielaard <mark@klomp.org>
106
107 * c.opt.urls: Regenerate.
108
77de8b72
GA		 1092024-02-22 Jakub Jelinek <jakub@redhat.com>
110
111 PR c/114007
112 * c-lex.cc (c_common_has_attribute): Parse 2 CPP_COLONs with
113 the first one with COLON_SCOPE flag the same as CPP_SCOPE.
114
67d5b10e
GA		 1152024-02-10 Marek Polacek <polacek@redhat.com>
116
117 DR 2237
118 PR c++/107126
119 PR c++/97202
120 * c-opts.cc (c_common_post_options): In C++20 or with -Wc++20-compat,
121 turn on -Wtemplate-id-cdtor.
122 * c.opt (Wtemplate-id-cdtor): New.
123
1242024-02-10 Jakub Jelinek <jakub@redhat.com>
125
126 * c-format.cc (gcc_diag_length_specs): Add t and z modifiers.
127 (PP_FORMAT_CHAR_TABLE, gcc_gfc_char_table): Add entries for t and
128 z modifiers.
129
1302024-02-10 Jakub Jelinek <jakub@redhat.com>
131
132 * c-ada-spec.cc (dump_template_types): Use HOST_SIZE_T_PRINT_UNSIGNED
133 and casts to fmt_size_t instead of "%lu" and casts to unsigned long.
134
e2554540
GA		 1352024-02-01 Lewis Hyatt <lhyatt@gmail.com>
136
137 PR preprocessor/105608
138 * c-pch.cc (c_common_read_pch): Adjust line map so that libcpp
139 assigns a location to restored macros which is the same location
140 that triggered the PCH include.
141
dd3455f6
GA		 1422024-01-31 Marek Polacek <polacek@redhat.com>
143
144 * c-opts.cc (c_common_post_options): Add an inform saying that
145 -fconcepts-ts is deprecated and will be removed in GCC 15.
146
3979171d
GA		 1472024-01-27 Lewis Hyatt <lhyatt@gmail.com>
148
149 PR preprocessor/105608
150 * c-pch.cc (c_common_read_pch): Start a new line map before asking
151 libcpp to restore macros defined prior to reading the PCH, instead
152 of afterward.
153
3128786c
GA		 1542024-01-23 Jakub Jelinek <jakub@redhat.com>
155
156 PR c/113518
157 * c-common.cc (atomic_bitint_fetch_using_cas_loop): Call c_fully_fold
158 on lhs_addr, val and model for C.
159
1602024-01-23 Sandra Loosemore <sandra@codesourcery.com>
161
162 * c.opt: Improve sorting of warning options.
163
1a177974
GA		 1642024-01-16 Eric Botcazou <ebotcazou@adacore.com>
165
166 PR ada/113397
167 * c-ada-spec.cc (check_type_name_conflict): Add guard for the
168 presence of DECL_NAME on a TYPE_DECL.
169
1a80e955
GA		 1702024-01-11 Julian Brown <julian@codesourcery.com>
171
172 * c-pretty-print.cc (c_pretty_printer::postfix_expression,
173 c_pretty_printer::expression): Add OMP_ARRAY_SECTION support.
174
73ce73fc
GA		 1752024-01-09 waffl3x <waffl3x@protonmail.com>
176
177 PR c++/102609
178 PR c++/102609
179 C++23 P0847R7 (deducing this) - diagnostics.
180 * c-cppbuiltin.cc (c_cpp_builtins): Define
181 __cpp_explicit_this_parameter=202110L feature test macro.
182
1832024-01-09 Jakub Jelinek <jakub@redhat.com>
184
185 PR c/113262
186 * c-attribs.cc (handle_copy_attribute): Don't use
187 DECL_SOURCE_LOCATION (decl) if decl is not DECL_P, use input_location
188 instead. Formatting fixes.
189
1902024-01-09 Julian Brown <julian@codesourcery.com>
191
192 * c-common.h (c_omp_address_inspector): Remove static from get_origin
193 and maybe_unconvert_ref methods.
194 * c-omp.cc (c_omp_split_clauses): Support OMP_ARRAY_SECTION.
195 (c_omp_address_inspector::map_supported_p): Handle OMP_ARRAY_SECTION.
196 (c_omp_address_inspector::get_origin): Avoid dereferencing possibly
197 NULL type when processing template decls.
198 (c_omp_address_inspector::maybe_unconvert_ref): Likewise.
199
81d1a6e9
GA		 2002024-01-04 David Malcolm <dmalcolm@redhat.com>
201
202 * c.opt.urls: New file, autogenerated by regenerate-opt-urls.py.
203
cdfaa4aa
GA		 2042023-12-21 Jakub Jelinek <jakub@redhat.com>
205
206 * c.opt (Walloc-size): Enable also for C++ and ObjC++.
207
2082023-12-21 Jakub Jelinek <jakub@redhat.com>
209
210 PR sanitizer/113092
211 * c-ubsan.cc (ubsan_instrument_shift): Workaround for missing
212 ubsan _BitInt support for the shift count.
213
7ad9058c
GA		 2142023-12-20 Florian Weimer <fweimer@redhat.com>
215
216 PR c/113050
217 * c-common.cc (get_atomic_generic_size): Use
218 OPT_Wdiscarded_qualifiers instead of
219 OPT_Wincompatible_pointer_types.
220
2212023-12-20 Jakub Jelinek <jakub@redhat.com>
222
223 * c.opt (Wcalloc-transposed-args): New warning.
224 * c-common.h (warn_for_calloc, warn_for_alloc_size): Declare.
225 * c-warn.cc (warn_for_calloc, warn_for_alloc_size): New functions.
226
7e6f0faa
GA		 2272023-12-16 Andrew Carlotti <andrew.carlotti@arm.com>
228
229 * c-attribs.cc (attr_target_exclusions): Make
230 target/target_clones exclusion target-dependent.
231 (attr_target_clones_exclusions): Ditto, and add target_version.
232 (attr_target_version_exclusions): New.
233 (c_common_attribute_table): Add target_version.
234 (handle_target_version_attribute): New.
235 (handle_target_attribute): Amend comment.
236 (handle_target_clones_attribute): Ditto.
237
2382023-12-16 Andrew Carlotti <andrew.carlotti@arm.com>
239
240 * c-attribs.cc (attr_always_inline_exclusions): New.
241 (attr_target_exclusions): Ditto.
242 (attr_target_clones_exclusions): Ditto.
243 (c_common_attribute_table): Add new exclusion lists.
244 (handle_noinline_attribute): Remove custom exclusion handling.
245 (handle_always_inline_attribute): Ditto.
246 (handle_target_attribute): Ditto.
247 (handle_target_clones_attribute): Ditto.
248
e8018ccf
GA		 2492023-12-13 Patrick Palka <ppalka@redhat.com>
250
251 * c.opt: Add -fdiagnostics-all-candidates.
252
2532023-12-13 Jason Merrill <jason@redhat.com>
254
255 * c-warn.cc (check_address_or_pointer_of_packed_member):
256 Rename to check_address_of_packed_member.
257 (check_and_warn_address_or_pointer_of_packed_member):
258 Rename to check_and_warn_address_of_packed_member.
259 (warn_for_address_or_pointer_of_packed_member):
260 Rename to warn_for_address_of_packed_member.
261 * c-common.h: Adjust.
262
2632023-12-13 Jason Merrill <jason@redhat.com>
264
265 * c-warn.cc (check_address_or_pointer_of_packed_member):
266 Remove warning based on TYPE_PACKED.
267
2682023-12-13 Julian Brown <julian@codesourcery.com>
269
270 * c-common.h (c_omp_region_type): Add C_ORT_EXIT_DATA,
271 C_ORT_OMP_EXIT_DATA and C_ORT_ACC_TARGET.
272 (omp_addr_token): Add forward declaration.
273 (c_omp_address_inspector): New class.
274 * c-omp.cc (c_omp_adjust_map_clauses): Mark decls addressable here, but
275 do not change any mapping node types.
276 (c_omp_address_inspector::unconverted_ref_origin,
277 c_omp_address_inspector::component_access_p,
278 c_omp_address_inspector::check_clause,
279 c_omp_address_inspector::get_root_term,
280 c_omp_address_inspector::map_supported_p,
281 c_omp_address_inspector::get_origin,
282 c_omp_address_inspector::maybe_unconvert_ref,
283 c_omp_address_inspector::maybe_zero_length_array_section,
284 c_omp_address_inspector::expand_array_base,
285 c_omp_address_inspector::expand_component_selector,
286 c_omp_address_inspector::expand_map_clause): New methods.
287 (omp_expand_access_chain): New function.
288
8a5d6ce0
GA		 2892023-12-12 Richard Biener <rguenther@suse.de>
290
291 PR ipa/92606
292 * c-attribs.cc (handle_noicf_attribute): Also allow the
293 attribute on global variables.
294
4a6613e2
GA		 2952023-12-10 Ken Matsui <kmatsui@gcc.gnu.org>
296 Patrick Palka <ppalka@redhat.com>
297
298 * c-common.cc (c_common_reswords): Remove all mappings of
299 built-in traits.
300 * c-common.h (enum rid): Remove all RID values for built-in
301 traits.
302
08f89e5e
GA		 3032023-12-07 Andrew Pinski <pinskia@gmail.com>
304 Jakub Jelinek <jakub@redhat.com>
305
306 PR preprocessor/111965
307 * c-opts.cc (c_common_handle_option) <case OPT_fdebug_cpp>: Set
308 cpp_opts->debug to value rather than 1.
309
ae9e48e5
GA		 3102023-12-06 David Malcolm <dmalcolm@redhat.com>
311
312 * c-opts.cc (c_diagnostic_finalizer): Make "diagnostic" param
313 const.
314
3dd09cd9
GA		 3152023-12-06 Alexandre Oliva <oliva@adacore.com>
316
317 * c-attribs.cc: Include ipa-strub.h.
318 (handle_strub_attribute): New.
319 (c_common_attribute_table): Add strub.
320
3212023-12-05 Richard Sandiford <richard.sandiford@arm.com>
322
323 * c-attribs.cc (c_common_gnu_attribute_table): Add extra
324 braces to work around PR 16333 in older compilers.
325
3262023-12-05 Richard Biener <rguenther@suse.de>
327
328 PR c/89270
329 * c-common.cc (c_common_type_for_size): Consider
330 registered_builtin_types.
331
3322023-12-05 Marek Polacek <polacek@redhat.com>
333
334 PR c++/107687
335 PR c++/110997
336 * c-cppbuiltin.cc (c_cpp_builtins): Update __cpp_consteval.
337 * c-opts.cc (c_common_post_options): Pre-C++20, unset
338 flag_immediate_escalation.
339 * c.opt (fimmediate-escalation): New option.
340
04d4a494
GA		 3412023-12-02 Richard Sandiford <richard.sandiford@arm.com>
342
343 * c-common.h (c_common_attribute_table): Replace with...
344 (c_common_gnu_attribute_table): ...this.
345 (c_common_format_attribute_table): Change type to
346 scoped_attribute_specs.
347 * c-attribs.cc (c_common_attribute_table): Replace with...
348 (c_common_gnu_attributes, c_common_gnu_attribute_table): ...these
349 new globals.
350 (c_common_format_attribute_table): Change type to
351 scoped_attribute_specs, using...
352 (c_common_format_attributes): ...this as the underlying array.
353
2e0f3f97
GA		 3542023-12-01 Florian Weimer <fweimer@redhat.com>
355
356 * c.opt (Wdeclaration-missing-parameter-type): New.
357
8428bcd7
GA		 3582023-11-30 Jakub Jelinek <jakub@redhat.com>
359
360 PR c++/110349
361 * c-cppbuiltin.cc (c_cpp_builtins): Predefine
362 __cpp_placeholder_variables=202306L for C++26.
363
31d8cf17
GA		 3642023-11-29 Alexandre Oliva <oliva@adacore.com>
365
366 * c-attribs.cc (c_common_attribute_table): Add hardbool.
367 (handle_hardbool_attribute): New.
368 (type_valid_for_vector_size): Reject hardbool.
369 * c-common.cc (convert_and_check): Skip warnings for convert
370 and check for hardbool.
371 (c_hardbool_type_attr_1): New.
372 * c-common.h (c_hardbool_type_attr): New.
373
ad3e759c
GA		 3742023-11-27 Alex Coplan <alex.coplan@arm.com>
375 Iain Sandoe <iain@sandoe.co.uk>
376
377 PR c++/60512
378 * c-common.cc (struct hf_feature_info): New.
379 (c_common_register_feature): New.
380 (init_has_feature): New.
381 (has_feature_p): New.
382 * c-common.h (c_common_has_feature): New.
383 (c_family_register_lang_features): New.
384 (c_common_register_feature): New.
385 (has_feature_p): New.
386 * c-lex.cc (init_c_lex): Plumb through has_feature callback.
387 (c_common_has_builtin): Generalize and move common part ...
388 (c_common_lex_availability_macro): ... here.
389 (c_common_has_feature): New.
390 * c-ppoutput.cc (init_pp_output): Plumb through has_feature.
391
77cf1dba
GA		 3922023-11-24 Lewis Hyatt <lhyatt@gmail.com>
393
394 PR pch/112319
395 * c-ppoutput.cc (cb_read_pch): Reinitialize the frontend parser
396 after loading a PCH.
397
3982023-11-24 Tobias Burnus <tobias@codesourcery.com>
399
400 * c.opt (-Wopenmp): Add missing tailing '.'.
401
4022023-11-24 Tobias Burnus <tobias@codesourcery.com>
403
404 * c.opt (Wopenmp): Add, enable by default.
405
6fb55db0
GA		 4062023-11-23 Marek Polacek <polacek@redhat.com>
407
408 * c-opts.cc: Include "target.h".
409 (c_finish_options): Maybe cpp_define _FORTIFY_SOURCE
410 and _GLIBCXX_ASSERTIONS.
411
4122023-11-23 Jakub Jelinek <jakub@redhat.com>
413
414 * c-common.h (enum rid): Add RID_BUILTIN_STDC: New.
415 * c-common.cc (c_common_reswords): Add __builtin_stdc_bit_ceil,
416 __builtin_stdc_bit_floor, __builtin_stdc_bit_width,
417 __builtin_stdc_count_ones, __builtin_stdc_count_zeros,
418 __builtin_stdc_first_leading_one, __builtin_stdc_first_leading_zero,
419 __builtin_stdc_first_trailing_one, __builtin_stdc_first_trailing_zero,
420 __builtin_stdc_has_single_bit, __builtin_stdc_leading_ones,
421 __builtin_stdc_leading_zeros, __builtin_stdc_trailing_ones and
422 __builtin_stdc_trailing_zeros. Move __builtin_assoc_barrier
423 alphabetically earlier.
424
4252023-11-23 Jakub Jelinek <jakub@redhat.com>
426
427 PR c++/110348
428 * c.opt (Wc++26-extensions): New option.
429 * c-cppbuiltin.cc (c_cpp_builtins): For C++26 predefine
430 __cpp_static_assert to 202306L rather than 201411L.
431
b54b3800
GA		 4322023-11-19 David Malcolm <dmalcolm@redhat.com>
433
434 * c-lex.cc: Include "rich-location.h".
435
9d58d2d8
GA		 4362023-11-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
437
438 * c-cppbuiltin.cc (c_cpp_builtins): Define
439 __LIBGCC_HAVE_LIBATOMIC for libgcov.
440
4412023-11-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
442
443 Revert:
444 2021-08-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
445
446 * c-cppbuiltin.c (c_cpp_builtins): Define
447 __LIBGCC_GCOV_TYPE_SIZE if flag_building_libgcc is true.
448
c63a0bbc
GA		 4492023-11-17 Jakub Jelinek <jakub@redhat.com>
450
451 PR c++/107571
452 * c-gimplify.cc (genericize_c_loop): For C++ mark IFN_FALLTHROUGH
453 call at the end of loop body as TREE_NOTHROW.
454
eaedb56a
GA		 4552023-11-14 Lewis Hyatt <lhyatt@gmail.com>
456
457 PR pch/9471
458 PR pch/47857
459 * c-opts.cc (c_common_post_options): Set cpp_opts->main_search
460 so libcpp knows it is compiling a header file separately.
461
4622023-11-14 David Malcolm <dmalcolm@redhat.com>
463
464 * c-warn.cc (conversion_warning): Update call to
465 global_dc->m_option_enabled to use option_enabled_p.
466
4672023-11-14 David Malcolm <dmalcolm@redhat.com>
468
469 * c-common.cc (c_get_substring_location): Use global_dc's
470 file_cache.
471 * c-format.cc (get_corrected_substring): Likewise.
472 * c-indentation.cc (get_visual_column): Add file_cache param.
473 (get_first_nws_vis_column): Likewise.
474 (detect_intervening_unindent): Likewise.
475 (should_warn_for_misleading_indentation): Use global_dc's
476 file_cache.
477 (assert_get_visual_column_succeeds): Add file_cache param.
478 (ASSERT_GET_VISUAL_COLUMN_SUCCEEDS): Likewise.
479 (assert_get_visual_column_fails): Likewise.
480 (define ASSERT_GET_VISUAL_COLUMN_FAILS): Likewise.
481 (selftest::test_get_visual_column): Create and use a temporary
482 file_cache.
483
b9fd8399
GA		 4842023-11-14 Jakub Jelinek <jakub@redhat.com>
485
486 PR c/111309
487 * c-common.cc (check_builtin_function_arguments): Handle
488 BUILT_IN_{CLZ,CTZ,CLRSB,FFS,PARITY,POPCOUNT}G.
489 * c-gimplify.cc (c_gimplify_expr): If __builtin_c[lt]zg second
490 argument hasn't been folded into constant yet, transform it to one
491 argument call inside of a COND_EXPR which for first argument 0
492 returns the second argument.
493
4942023-11-11 Martin Uecker <uecker@tugraz.at>
495
496 PR c/110815
497 PR c/112428
498 * c-attribs.cc (build_attr_access_from_parms): Synthesize
499 nonnull attribute for parameters declared with `static`.
500
5012023-11-09 Florian Weimer <fweimer@redhat.com>
502
503 * c.opt (Wreturn-mismatch): New.
504
3e9461a3
GA		 5052023-11-08 Florian Weimer <fweimer@redhat.com>
506
507 * c.opt (fpermissive): Enable for C and ObjC.
508 * c-opts.cc (c_common_post_options): Enable -fpermissive.
509
c48f1056
GA		 5102023-11-07 Joseph Myers <joseph@codesourcery.com>
511
512 * c-format.h (T2X_UI): Rename to T23_UI.
513 (T2X_UL): Rename to T23_UL.
514 (T2X_ULL): Rename to T23_ULL.
515 (T2X_US): Rename to T23_US.
516 (T2X_UC): Rename to T23_UC.
517 (T2X_ST): Rename to T23_ST.
518 (T2X_UPD): Rename to T23_UPD.
519 (T2X_UIM): Rename to T23_UIM.
520 (T2X_D32): Rename to T23_D32.
521 (T2X_D64): Rename to T23_D64.
522 (T2X_D128): Rename to T23_D128.
523 (T2X_I8): Rename to T23_I8.
524 (T2X_I16): Rename to T23_I16.
525 (T2X_I32): Rename to T23_I32.
526 (T2X_I64): Rename to T23_I64.
527 (T2X_U8): Rename to T23_U8.
528 (T2X_U16): Rename to T23_U16.
529 (T2X_U32): Rename to T23_U32.
530 (T2X_U64): Rename to T23_U64.
531 (T2X_IF8): Rename to T23_IF8.
532 (T2X_IF16): Rename to T23_IF16.
533 (T2X_IF32): Rename to T23_IF32.
534 (T2X_IF64): Rename to T23_IF64.
535 (T2X_UF8): Rename to T23_UF8.
536 (T2X_UF16): Rename to T23_UF16.
537 (T2X_UF32): Rename to T23_UF32.
538 (T2X_UF64): Rename to T23_UF64.
539 * c-format.cc: Update all uses of T2X_* macros to use T23_*.
540
5412023-11-07 Kwok Cheung Yeung <kcy@codesourcery.com>
542
543 * c-attribs.cc (c_common_attribute_table): Add attribute for
544 indirect functions.
545 * c-pragma.h (enum parma_omp_clause): Add entry for indirect clause.
546
5472023-11-07 Joseph Myers <joseph@codesourcery.com>
548
549 * c-common.cc (flag_isoc2x): Rename to flag_isoc23.
550 (c_common_reswords): Use D_C23 instead of D_C2X.
551 * c-common.h: Refer throughout to C23 instead of C2X in comments.
552 (D_C2X): Rename to D_C23.
553 (flag_isoc2x): Rename to flag_isoc23.
554 * c-cppbuiltin.cc (builtin_define_float_constants): Use
555 flag_isoc23 instead of flag_isoc2x. Refer to C23 instead of C2x
556 in comments.
557 * c-format.cc: Use STD_C23 instead of STD_C2X and flag_isoc23
558 instead of flag_isoc2x. Refer to C23 instead of C2X in comments.
559 * c-format.h: Use STD_C23 instead of STD_C2X.
560 * c-lex.cc: Use warn_c11_c23_compat instead of warn_c11_c2x_compat
561 and flag_isoc23 instead of flag_isoc2x. Refer to C23 instead of
562 C2X in diagnostics.
563 * c-opts.cc: Use flag_isoc23 instead of flag_isoc2x. Refer to C23
564 instead of C2X in comments.
565 (set_std_c2x): Rename to set_std_c23.
566 * c.opt (Wc11-c23-compat): Use CPP(cpp_warn_c11_c23_compat)
567 CppReason(CPP_W_C11_C23_COMPAT) Var(warn_c11_c23_compat) instead
568 of CPP(cpp_warn_c11_c2x_compat) CppReason(CPP_W_C11_C2X_COMPAT)
569 Var(warn_c11_c2x_compat).
570
2cca6ae6
GA		 5712023-11-06 Joseph Myers <joseph@codesourcery.com>
572
573 PR c/107954
574 * c.opt (Wc11-c2x-compat): Rename to Wc11-c23-compat and make into
575 a deprecated alias of Wc11-c23-compat.
576 (std=c2x): Rename to std=c23 and make into a deprecated alias of
577 std=c23.
578 (std=gnu2x): Rename to std=gnu23 and make into a deprecated alias
579 of std=gnu23.
580 (std=iso9899:2024): New option. Alias of std=c23.
581 * c-lex.cc (interpret_float): Use OPT_Wc11_c23_compat instead of
582 OPT_Wc11_c2x_compat.
583 * c-opts.cc (c_common_handle_option): Use OPT_std_c23 instead of
584 OPT_std_c2x and OPT_std_gnu23 instead of OPT_std_gnu2x.
585
459866ea
GA		 5862023-11-05 Jakub Jelinek <jakub@redhat.com>
587
588 * c-lex.cc (c_common_has_attribute): Return 1 for omp::directive
589 and omp::sequence with -fopenmp or -fopenmp-simd also for C, not
590 just for C++. Return 1 for omp::decl with -fopenmp or -fopenmp-simd
591 for both C and C++.
592
eb4e1b62
GA		 5932023-11-04 David Malcolm <dmalcolm@redhat.com>
594
595 * c-pragma.cc:: (handle_pragma_push_options): Fix missing "GCC" in
596 name of pragma in "junk" message.
597 (handle_pragma_pop_options): Likewise.
598
5992023-11-04 David Malcolm <dmalcolm@redhat.com>
600
601 * c-common.cc: Update for changes to diagnostic_context.
602 * c-indentation.cc: Likewise.
603 * c-opts.cc: Likewise.
604 * c-warn.cc: Likewise.
605
c73d2d49
GA		 6062023-11-01 Martin Uecker <uecker@tugraz.at>
607
608 PR c/71219
609 * c.opt (Walloc-size): New option.
610
eac0917b
GA		 6112023-10-31 David Malcolm <dmalcolm@redhat.com>
612
613 * c-warn.cc (warn_for_multistatement_macros): Update for removal
614 of MACRO_MAP_EXPANSION_POINT_LOCATION.
615
7f974c5f
GA		 6162023-10-27 Lewis Hyatt <lhyatt@gmail.com>
617
618 PR preprocessor/87299
619 * c-pragma.cc (init_pragma): Register `#pragma GCC target' and
620 related pragmas in preprocess-only mode, and enable early handling.
621 (c_reset_target_pragmas): New function refactoring code from...
622 (handle_pragma_reset_options): ...here.
623 * c-pragma.h (c_reset_target_pragmas): Declare.
624
ecca503b
GA		 6252023-10-26 David Malcolm <dmalcolm@redhat.com>
626
627 * c-attribs.cc (c_common_attribute_table): Add
628 "null_terminated_string_arg".
629 (handle_null_terminated_string_arg_attribute): New.
630
9cf2e744
GA		 6312023-10-23 Lewis Hyatt <lhyatt@gmail.com>
632
633 PR preprocessor/36887
634 * c-opts.cc (c_common_init_options): Pass new extra hash map
635 argument to cpp_create_reader().
636
6f684dd2
GA		 6372023-10-20 Marek Polacek <polacek@redhat.com>
638
639 PR c/111884
640 * c-common.cc (c_common_get_alias_set): Return -1 for char8_t only
641 in C++.
642
6432023-10-20 Patrick Palka <ppalka@redhat.com>
644
645 * c-warn.cc (check_address_or_pointer_of_packed_member): Handle
646 type-dependent callee of CALL_EXPR.
647
6482023-10-20 Alexandre Oliva <oliva@adacore.com>
649
650 * c-attribs.cc (handle_expected_throw_attribute): New.
651 (c_common_attribute_table): Add expected_throw.
652
c85f7481
GA		 6532023-10-19 Lewis Hyatt <lhyatt@gmail.com>
654
655 PR c++/89038
656 * c-pragma.cc (handle_pragma_diagnostic_impl): Handle
657 -Wunknown-pragmas during early processing.
658
d5cfabc6
GA		 6592023-10-15 Jakub Jelinek <jakub@redhat.com>
660
661 PR tree-optimization/111800
662 * c-warn.cc (match_case_to_enum_1): Assert w.get_precision ()
663 is smaller or equal to WIDE_INT_MAX_INL_PRECISION rather than
664 w.get_len () is smaller or equal to WIDE_INT_MAX_INL_ELTS.
665
f9ef2e6d
GA		 6662023-10-12 Jakub Jelinek <jakub@redhat.com>
667
668 PR c/102989
669 * c-warn.cc (match_case_to_enum_1): Use wi::to_wide just once instead
670 of 3 times, assert get_len () is smaller than WIDE_INT_MAX_INL_ELTS.
671
41d1c9a9
GA		 6722023-10-02 David Malcolm <dmalcolm@redhat.com>
673
674 * c-common.cc (maybe_add_include_fixit): Update for renaming of
675 diagnostic_context's show_caret to m_source_printing.enabled.
676 * c-opts.cc (c_common_init_options): Update for renaming of
677 diagnostic_context's colorize_source_p to
678 m_source_printing.colorize_source_p.
679
4907d220
GA		 6802023-09-20 Jakub Jelinek <jakub@redhat.com>
681
682 PR c++/111392
683 * c-omp.cc (c_omp_directives): Add commented out groupprivate
684 directive entry.
685
590a8bec
GA		 6862023-09-19 Ben Boeckel <ben.boeckel@kitware.com>
687
688 * c-opts.cc (c_common_handle_option): Add fdeps_file variable and
689 -fdeps-format=, -fdeps-file=, and -fdeps-target= parsing.
690 * c.opt: Add -fdeps-format=, -fdeps-file=, and -fdeps-target=
691 flags.
692
6932023-09-19 Javier Martinez <javier.martinez.bugzilla@gmail.com>
694
695 * c-attribs.cc (handle_hot_attribute): remove warning on
696 RECORD_TYPE and UNION_TYPE when in c_dialect_xx.
697 (handle_cold_attribute): Likewise.
698
6992023-09-19 Jakub Jelinek <jakub@redhat.com>
700
701 * c-common.cc (c_common_signed_or_unsigned_type): Return INTEGER_TYPE
702 for signed variant of unsigned _BitInt(1).
703
a134b6ce
GA		 7042023-09-06 Jakub Jelinek <jakub@redhat.com>
705
706 PR c/102989
707 * c-attribs.cc (type_valid_for_vector_size): Reject vector types
708 with BITINT_TYPE elements even if they have mode precision and
709 suitable size.
710
7112023-09-06 Jakub Jelinek <jakub@redhat.com>
712
713 PR c/102989
714 * c-common.cc (c_common_reswords): Add _BitInt as keyword.
715 (unsafe_conversion_p): Handle BITINT_TYPE like INTEGER_TYPE.
716 (c_common_signed_or_unsigned_type): Handle BITINT_TYPE.
717 (c_common_truthvalue_conversion, c_common_get_alias_set,
718 check_builtin_function_arguments): Handle BITINT_TYPE like
719 INTEGER_TYPE.
720 (sync_resolve_size): Add ORIG_FORMAT argument. If
721 FETCH && !ORIG_FORMAT, type is BITINT_TYPE, return -1 if size isn't
722 one of 1, 2, 4, 8 or 16 or if it is 16 but TImode is not supported.
723 (atomic_bitint_fetch_using_cas_loop): New function.
724 (resolve_overloaded_builtin): Adjust sync_resolve_size caller. If
725 -1 is returned, use atomic_bitint_fetch_using_cas_loop to lower it.
726 Formatting fix.
727 (keyword_begins_type_specifier): Handle RID_BITINT.
728 * c-common.h (enum rid): Add RID_BITINT enumerator.
729 * c-cppbuiltin.cc (c_cpp_builtins): For C call
730 targetm.c.bitint_type_info and predefine __BITINT_MAXWIDTH__
731 and for -fbuilding-libgcc also __LIBGCC_BITINT_LIMB_WIDTH__ and
732 __LIBGCC_BITINT_ORDER__ macros if _BitInt is supported.
733 * c-lex.cc (interpret_integer): Handle CPP_N_BITINT.
734 * c-pretty-print.cc (c_pretty_printer::simple_type_specifier,
735 c_pretty_printer::direct_abstract_declarator,
736 c_pretty_printer::direct_declarator, c_pretty_printer::declarator):
737 Handle BITINT_TYPE.
738 (pp_c_integer_constant): Handle printing of large precision wide_ints
739 which would buffer overflow digit_buffer.
740 * c-warn.cc (conversion_warning, warnings_for_convert_and_check,
741 warnings_for_convert_and_check): Handle BITINT_TYPE like
742 INTEGER_TYPE.
743
7442023-09-06 Jakub Jelinek <jakub@redhat.com>
745
746 PR c/102989
747 * c-ubsan.cc (ubsan_instrument_shift): Use UBSAN_PRINT_FORCE_INT
748 for type0 type descriptor.
749
7502023-09-06 Jakub Jelinek <jakub@redhat.com>
751
752 * c-lex.cc (interpret_float): For C diagnostics on FN and FNx suffixes
753 append " before C2X" to diagnostics text and follow behavior of
754 pedwarn_c11.
755
80907b03
GA		 7562023-09-01 Jakub Jelinek <jakub@redhat.com>
757
758 PR c++/111069
759 * c-opts.cc (c_common_post_options): Change latest_abi_version to 19.
760
65c36ecc
GA		 7612023-08-31 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
762
763 * c.opt: Change spelling to macOS.
764
7652023-08-31 Richard Biener <rguenther@suse.de>
766
767 PR middle-end/111253
768 * c-pretty-print.cc (c_pretty_printer::primary_expression):
769 Only dump gimple_assign_single_p SSA def RHS.
770
b8863640
GA		 7712023-08-25 Sandra Loosemore <sandra@codesourcery.com>
772
773 * c-common.h (c_omp_check_loop_binding_exprs): Declare.
774 * c-omp.cc: Include tree-iterator.h.
775 (find_binding_in_body): New.
776 (check_loop_binding_expr_r): New.
777 (LOCATION_OR): New.
778 (check_looop_binding_expr): New.
779 (c_omp_check_loop_binding_exprs): New.
780
7812023-08-25 Uros Bizjak <ubizjak@gmail.com>
782
783 * c-format.cc (read_any_format_width):
784 Rename TRUE/FALSE to true/false.
785
a7593210
GA		 7862023-08-20 Martin Uecker <uecker@tugraz.at>
787
788 * c-format.cc: Fix identation.
789
7902023-08-20 Tomas Kalibera <tomas.kalibera@gmail.com>
791
792 PR c/95130
793 * c-format.cc: skip default format for printf symbol if
794 explicitly declared by prototype.
795
1eb2433f
GA		 7962023-08-17 Jose E. Marchesi <jose.marchesi@oracle.com>
797
798 PR c/106537
799 * c.opt (Wcompare-distinct-pointer-types): New option.
800
3cc78cf2
GA		 8012023-08-14 Jason Merrill <jason@redhat.com>
802
803 * c-cppbuiltin.cc (c_cpp_builtins): Adjust __cpp_concepts.
804
886afed6
GA		 8052023-08-11 Jakub Jelinek <jakub@redhat.com>
806
807 * c-common.cc (c_common_reswords): Add __typeof_unqual
808 and __typeof_unqual__ spellings of typeof_unqual.
809
8102023-08-11 Martin Uecker <uecker@tugraz.at>
811
812 PR c/84510
813 * c.opt: Enable warning for C and ObjC.
814
87b0749c
GA		 8152023-08-05 Martin Uecker <uecker@tugraz.at>
816
817 PR c/98536
818 * c-warn.cc (warn_parm_array_mismatch): Do not warn if more
819 bounds are specified.
820
5b42ee2c
GA		 8212023-08-04 Tamar Christina <tamar.christina@arm.com>
822
823 * c-pragma.h (enum pragma_kind): Add PRAGMA_NOVECTOR.
824 * c-pragma.cc (init_pragma): Use it.
825
cf58b896
GA		 8262023-08-01 Lewis Hyatt <lhyatt@gmail.com>
827
828 * c-common.h (c_init_preprocess): Declare new function.
829 * c-opts.cc (c_common_init): Call it.
830 * c-lex.cc (cb_def_pragma): Add a comment.
831 (get_token): New function wrapping cpp_get_token.
832 (c_lex_with_flags): Use the new wrapper function to support
833 obtaining tokens in preprocess_only mode.
834 (lex_string): Likewise.
835 * c-pragma.cc (pragma_diagnostic_lex_normal): Rename to...
836 (pragma_diagnostic_lex): ...this.
837 (pragma_diagnostic_lex_pp): Remove.
838 (handle_pragma_diagnostic_impl): Call pragma_diagnostic_lex () in
839 all modes.
840 (c_pp_invoke_early_pragma_handler): Adapt to support pragma_lex ()
841 usage.
842 * c-pragma.h (pragma_lex_discard_to_eol): Declare.
843
a2f31d79
GA		 8442023-07-31 Hamza Mahfooz <someguy@effective-light.com>
845
846 PR c/65213
847 * c.opt (-Wmissing-variable-declarations): New option.
848
e2bf82d5
GA		 8492023-07-20 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
850
851 PR middle-end/77928
852 * c-common.cc (check_builtin_function_arguments):
853 Handle BUILT_IN_ISEQSIG.
854
5158918a
GA		 8552023-07-05 Robin Dapp <rdapp@ventanamicro.com>
856 Juzhe-Zhong <juzhe.zhong@rivai.ai>
857
858 * c-common.cc (c_common_type_for_mode): Use GET_MODE_PRECISION.
859
14bfda60
GA		 8602023-06-29 Qing Zhao <qing.zhao@oracle.com>
861
862 PR c/77650
863 * c.opt: New option -Wflex-array-member-not-at-end.
864
5f590ee3
GA		 8652023-06-28 Jason Merrill <jason@redhat.com>
866
867 PR c++/110344
868 * c-cppbuiltin.cc (c_cpp_builtins): Update __cpp_constexpr.
869
267e1fea
GA		 8702023-06-26 Richard Biener <rguenther@suse.de>
871
872 * c-common.cc (shorten_binary_op): Exit early for VECTOR_TYPE
873 operations.
874
6f78df4c
GA		 8752023-06-23 Marek Polacek <polacek@redhat.com>
876
877 * c-common.h (cxx_dialect): Add cxx26 as a dialect.
878 * c-opts.cc (set_std_cxx26): New.
879 (c_common_handle_option): Set options when -std={c,gnu}++2{c,6} is
880 enabled.
881 (c_common_post_options): Adjust comments.
882 * c.opt: Add options for -std=c++26, std=c++2c, -std=gnu++26,
883 and -std=gnu++2c.
884 (std=c++2b): Mark as Undocumented.
885 (std=c++23): No longer Undocumented.
886
80e9ca0e
GA		 8872023-06-21 Alexander Monakov <amonakov@ispras.ru>
888
889 * c-gimplify.cc (fma_supported_p): New helper.
890 (c_gimplify_expr) [PLUS_EXPR, MINUS_EXPR]: Implement FMA
891 contraction.
892
f10a4ce0
GA		 8932023-06-16 Alex Coplan <alex.coplan@arm.com>
894
895 * c.opt (Welaborated-enum-base): New.
896
532fb120
GA		 8972023-06-13 David Malcolm <dmalcolm@redhat.com>
898
899 PR c/84890
900 * known-headers.cc
901 (suggest_missing_header::~suggest_missing_header): Reword note to
902 avoid negative tone of "forgetting".
903
8c5b1365
GA		 9042023-06-07 Jason Merrill <jason@redhat.com>
905
906 PR c++/58487
907 * c.opt: Add -Wnrvo.
908
6e6bb373
GA		 9092023-05-26 Martin Uecker <uecker@tugraz.at>
910
911 * c-attribs.cc (build_attr_access_from_parms): Split loop to first
912 record all parameters.
913
b2776076
GA		 9142023-05-18 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
915
916 * c-ada-spec.cc (has_static_fields): Use _P() defines from tree.h.
917 (dump_ada_declaration): Ditto.
918 (dump_ada_structure): Ditto.
919 * c-common.cc (unsafe_conversion_p): Ditto.
920 (shorten_compare): Ditto.
921 (pointer_int_sum): Ditto.
922 (c_common_truthvalue_conversion): Ditto.
923 (scalar_to_vector): Ditto.
924 * c-common.h (gnu_vector_type_p): Ditto.
925 * c-omp.cc (c_omp_depend_t_p): Ditto.
926 (c_omp_split_clauses): Ditto.
927 * c-ubsan.cc (ubsan_instrument_division): Ditto.
928 * c-warn.cc (conversion_warning): Ditto.
929 (warnings_for_convert_and_check): Ditto.
930
ff2dcddf
GA		 9312023-05-18 Joseph Myers <joseph@codesourcery.com>
932
933 * c-format.cc (print_char_table): Handle %B like %b.
934
3427b51b
GA		 9352023-05-15 Joseph Myers <joseph@codesourcery.com>
936
937 * c-lex.cc (c_common_has_attribute): Use 202311 as
938 __has_c_attribute return for all C2x attributes.
939
9402023-05-15 Patrick Palka <ppalka@redhat.com>
941
942 * c-cppbuiltin.cc (c_cpp_builtins): Predefine __cpp_auto_cast
943 for C++23.
944
1fc8da95
GA		 9452023-05-01 Marek Polacek <polacek@redhat.com>
946
947 * c-ubsan.cc (ubsan_maybe_instrument_array_ref): Don't copy_node.
948
579cdc1e
GA		 9492023-03-28 David Malcolm <dmalcolm@redhat.com>
950
951 PR c/107002
952 * c-common.h (check_for_xor_used_as_pow): Add "rhs_loc" param.
953 * c-warn.cc (check_for_xor_used_as_pow): Add "rhs_loc" param.
954 Reject cases where involving macro expansions.
955
9562023-03-28 Jason Merrill <jason@redhat.com>
957
958 PR c++/107163
959 * c-common.cc (verify_tree): Don't use sequenced handling
960 for COMPONENT_REF.
961
454a4d50
GA		 9622023-03-17 Jakub Jelinek <jakub@redhat.com>
963
964 PR c/109151
965 * c-ubsan.cc (ubsan_instrument_division): Handle all scalar integral
966 types rather than just INTEGER_TYPE.
967
c8065441
GA		 9682023-03-10 Marek Polacek <polacek@redhat.com>
969
970 PR sanitizer/108060
971 PR sanitizer/109050
972 * c-gimplify.cc (ubsan_walk_array_refs_r): For a MODIFY_EXPR, instrument
973 the RHS before the LHS.
974
2858bf16
GA		 9752023-03-04 Jakub Jelinek <jakub@redhat.com>
976
977 PR c/107465
978 * c-warn.cc (warn_for_sign_compare): Don't warn for unset bits
979 above innermost zero extension of BIT_NOT_EXPR result.
980
9812023-03-04 Jakub Jelinek <jakub@redhat.com>
982
983 PR c/107465
984 * c-warn.cc (warn_for_sign_compare): If c_common_get_narrower
985 doesn't return a narrower result, use TYPE_UNSIGNED to set unsignedp0
986 and unsignedp1. For the one BIT_NOT_EXPR case vs. one without,
987 only check for constant in the non-BIT_NOT_EXPR operand, use std::swap
988 to simplify the code, only warn if BIT_NOT_EXPR operand is extended
989 from narrower unsigned, fix up computation of mask for the constant
990 cases and for unsigned other operand case handle differently
991 BIT_NOT_EXPR result being sign vs. zero extended.
992
9932023-03-04 Jakub Jelinek <jakub@redhat.com>
994
995 PR c/107846
996 * c-warn.cc: Include langhooks.h.
997 (maybe_warn_shift_overflow): Set type0 to what TREE_TYPE (op0)
998 promotes to rather than TREE_TYPE (op0) itself, if TREE_TYPE (op0)
999 is narrower than type0 and unsigned, use wi::min_precision with
1000 UNSIGNED and fold_convert op0 to type0 before emitting the warning.
1001
2aa6673e
GA		 10022023-03-03 Alexandre Oliva <oliva@adacore.com>
1003
1004 * c-common.cc (c_common_nodes_and_builtins): Take
1005 wchar_type_node for wint_type_node when aliased.
1006 (c_stddef_cpp_builtins): Define __WINT_TYPE__, when aliased to
1007 wchar_t, to the underlying type rather than wchar_t in
1008 non-C++.
1009 * c-cppbuiltin.cc (type_suffix): Handle wchar_type_node.
1010
6f9e2f14
GA		 10112023-02-28 Marek Polacek <polacek@redhat.com>
1012
1013 PR c++/107938
1014 * c-warn.cc (check_address_or_pointer_of_packed_member): Check
1015 POINTER_TYPE_P.
1016
10172023-02-28 Jakub Jelinek <jakub@redhat.com>
1018
1019 PR sanitizer/108894
1020 * c-common.h (c_strict_flex_array_level_of): Declare.
1021 * c-common.cc (c_strict_flex_array_level_of): New function,
1022 moved and renamed from c-decl.cc's strict_flex_array_level_of.
1023 * c-ubsan.cc (ubsan_instrument_bounds): Fix comment typo. For
1024 C check c_strict_flex_array_level_of whether a trailing array
1025 should be treated as flexible member like. Handle C [0] arrays.
1026 Add 1 + index_off_by_one rather than index_off_by_one to bounds
1027 and use tree_int_cst_lt rather than tree_int_cst_le for idx vs.
1028 bounds comparison.
1029
e2b20ed3
GA		 10302023-02-23 Jakub Jelinek <jakub@redhat.com>
1031
1032 PR translation/108890
1033 * c.opt (fcontracts): Fix description.
1034
b6f98991
GA		 10352023-02-22 Marek Polacek <polacek@redhat.com>
1036
1037 PR c/108880
1038 * c-gimplify.cc (c_genericize_control_stmt) <case STATEMENT_LIST>: Pass
1039 pset to walk_tree_1.
1040 (c_genericize): Call walk_tree with an explicit pset.
1041
0263e9d5
GA		 10422023-02-18 Martin Uecker <uecker@tugraz.at>
1043
1044 PR c/105660
1045 * c-attribs.cc (append_access_attr): Use order of arguments when
1046 construction string.
1047 (append_access_attr_idxs): Rename and make static.
1048 * c-warn.cc (warn_parm_array_mismatch): Add assertion.
1049
88cc4495
GA		 10502023-02-16 Patrick Palka <ppalka@redhat.com>
1051
1052 * c-common.h: Mechanically drop static from static inline
1053 functions via s/^static inline/inline/g.
1054
0a251e74
GA		 10552023-02-01 Jason Merrill <jason@redhat.com>
1056
1057 * c.opt: Add -Wno-changes-meaning.
1058
317525b0
GA		 10592023-01-31 Marek Polacek <polacek@redhat.com>
1060
1061 PR c++/107593
1062 PR c++/108597
1063 * c-common.h (instantiation_dependent_expression_p): Declare.
1064 * c-warn.cc (warn_duplicated_cond_add_or_warn): If the condition
1065 is dependent, invalidate the chain.
1066
2371d100
GA		 10672023-01-26 Marek Polacek <polacek@redhat.com>
1068
1069 PR c++/105300
1070 * c-pragma.cc (handle_pragma_message): Warn for CPP_STRING_USERDEF.
1071
9f98cfa5
GA		 10722023-01-18 Marek Polacek <polacek@redhat.com>
1073
1074 PR c/108424
1075 * c-common.cc (check_case_value): Check INTEGRAL_TYPE_P.
1076
5013c3bb
GA		 10772023-01-14 Jakub Jelinek <jakub@redhat.com>
1078
1079 PR c++/108365
1080 * c-common.h (may_shorten_divmod): New static inline function.
1081
10822023-01-13 Eric Botcazou <ebotcazou@adacore.com>
1083
1084 * c-ada-spec.cc (is_float32): New function.
1085 (is_float64): Likewise.
1086 (is_float128): Tweak.
1087 (dump_ada_node) <REAL_TYPE>: Call them to recognize more types.
1088
81ed98bc
GA		 10892023-01-12 Lewis Hyatt <lhyatt@gmail.com>
1090
1091 PR preprocessor/108244
1092 * c-pragma.cc (c_register_pragma_1): Don't attempt to register any
1093 deferred pragmas if -fdirectives-only.
1094 (init_pragma): Likewise.
1095
84723aca
GA		 10962023-01-09 Martin Liska <mliska@suse.cz>
1097
1098 PR c/107993
1099 * c-attribs.cc (handle_target_clones_attribute): Check for
1100 string constant for all target_clone attribute values.
1101
0f8fbb57
GA		 11022023-01-03 Florian Weimer <fweimer@redhat.com>
1103
1104 * c-cppbuiltin.cc (c_cpp_builtins): Define
1105 __LIBGCC_DWARF_CIE_DATA_ALIGNMENT__.
1106
11072023-01-03 Florian Weimer <fweimer@redhat.com>
1108
1109 Revert:
1110 2023-01-03 Florian Weimer <fweimer@redhat.com>
1111
1112 * c-cppbuiltin.cc (__LIBGCC_DWARF_REG_SIZES_CONSTANT__):
1113 Define if constant is known.
1114
11152023-01-03 Florian Weimer <fweimer@redhat.com>
1116
1117 Revert:
1118 2023-01-02 Florian Weimer <fweimer@redhat.com>
1119
1120 * c-cppbuiltin.cc (c_cpp_builtins): Define
1121 __LIBGCC_DWARF_CIE_DATA_ALIGNMENT__.
1122
fee53a31
GA		 11232023-01-02 Florian Weimer <fweimer@redhat.com>
1124
1125 * c-cppbuiltin.cc (c_cpp_builtins): Define
1126 __LIBGCC_DWARF_CIE_DATA_ALIGNMENT__.
1127
11282023-01-02 Florian Weimer <fweimer@redhat.com>
1129
1130 * c-cppbuiltin.cc (__LIBGCC_DWARF_REG_SIZES_CONSTANT__):
1131 Define if constant is known.
1132
d2ef2327
GA		 11332022-12-19 Marek Polacek <polacek@redhat.com>
1134
1135 PR c/98487
1136 * c-format.cc (check_function_format): Use get_attribute_name.
1137
5fb1e674
GA		 11382022-12-16 Qing Zhao <qing.zhao@oracle.com>
1139
1140 * c.opt (Wstrict-flex-arrays): New option.
1141
596dbfff
GA		 11422022-12-02 Andrew MacLeod <amacleod@redhat.com>
1143
1144 * c-attribs.cc (handle_deprecated_attribute): Use type when
1145 using TYPE_NAME.
1146
b35680ec
GA		 11472022-12-02 Jakub Jelinek <jakub@redhat.com>
1148
1149 PR c++/84469
1150 * c-omp.cc (c_omp_is_loop_iterator): For range for with structured
1151 binding return TREE_VEC_LENGTH (d->declv) even if decl is equal
1152 to any of the structured binding decls.
1153
6eea85a9
GA		 11542022-11-30 Iskander Shakirzyanov <iskander@ispras.ru>
1155 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1156
1157 PR driver/107787
1158 * c-common.cc (fold_offsetof,
1159 convert_vector_to_array_for_subscript): Use OPT_Warray_bounds_
1160 instead of OPT_Warray_bounds.
1161
9a1b4f1d
GA		 11622022-11-24 Jakub Jelinek <jakub@redhat.com>
1163
1164 * c.opt (fcontract-role=, fcontract-semantic=): Terminate descriptions
1165 with a dot.
1166
8761284f
GA		 11672022-11-23 Andrew Pinski <apinski@marvell.com>
1168 Jakub Jelinek <jakub@redhat.com>
1169
1170 PR c/107127
1171 * c-gimplify.cc (c_genericize): Use walk_tree_without_duplicates
1172 instead of walk_tree for c_genericize_control_r.
1173
11742022-11-23 Jakub Jelinek <jakub@redhat.com>
1175
1176 * c.opt (fcontract-assumption-mode=, fcontract-continuation-mode=,
1177 fcontract-role=, fcontract-semantic=): Add RejectNegative.
1178 (fcontract-build-level=): Terminate description with dot.
1179
fb98ede8
GA		 11802022-11-19 Jakub Jelinek <jakub@redhat.com>
1181
1182 * c-cppbuiltin.cc (c_cpp_builtins): Bump __cpp_constexpr
1183 value from 202207L to 202211L.
1184
11852022-11-19 Jeff Chapman II <jchapman@lock3software.com>
1186 Andrew Sutton <asutton@lock3software.com>
1187 Andrew Marmaduke <amarmaduke@lock3software.com>
1188 Michael Lopez <mlopez@lock3software.com>
1189 Jason Merrill <jason@redhat.com>
1190
1191 * c.opt: Add contracts flags.
1192 * c-cppbuiltin.cc (c_cpp_builtins): Add contracts feature-test
1193 macros.
1194
80909529
GA		 11952022-11-16 Marek Polacek <polacek@redhat.com>
1196
1197 PR c++/106649
1198 * c-cppbuiltin.cc (c_cpp_builtins): Update value of __cpp_constexpr for
1199 C++23.
1200 * c-opts.cc (c_common_post_options): Set warn_invalid_constexpr
1201 depending on cxx_dialect.
1202 * c.opt (Winvalid-constexpr): New option.
1203
12042022-11-16 Jakub Jelinek <jakub@redhat.com>
1205
1206 * c-common.def (CONCEPT_DECL): New tree, moved here from
1207 cp-tree.def.
1208 * c-common.cc (c_common_init_ts): Handle CONCEPT_DECL.
1209 * c-attribs.cc (handle_deprecated_attribute): Allow deprecated
1210 attribute on CONCEPT_DECL.
1211
cdc34229
GA		 12122022-11-15 Lewis Hyatt <lhyatt@gmail.com>
1213
1214 * c-opts.cc (c_finish_options): Use special_fname_builtin () rather
1215 than a hard-coded string.
1216
83d400bd
GA		 12172022-11-15 Jakub Jelinek <jakub@redhat.com>
1218
1219 * c-cppbuiltin.cc (c_cpp_builtins): Bump C++23
1220 __cpp_multidimensional_subscript macro value to 202211L.
1221
12222022-11-15 Patrick Palka <ppalka@redhat.com>
1223
1224 PR c++/107638
1225 * c-lex.cc (c_common_has_attribute): Return 1 for init_priority
1226 iff SUPPORTS_INIT_PRIORITY.
1227
12282022-11-14 Martin Liska <mliska@suse.cz>
1229
1230 Revert:
1231 2022-11-09 Martin Liska <mliska@suse.cz>
1232
1233 * c-target.def: Port to RST.
1234
30d77d49
GA		 12352022-11-12 Joseph Myers <joseph@codesourcery.com>
1236
1237 * c-common.cc (c_common_reswords): Use D_C2X instead of D_CXXONLY.
1238
5b6ce16a
GA		 12392022-11-11 Jonathan Wakely <jwakely@redhat.com>
1240
1241 PR c/85487
1242 * c-pragma.cc (handle_pragma_ignore): New function.
1243 (init_pragma): Register region and endregion pragmas.
1244
1cdfd0e5
GA		 12452022-11-09 Martin Liska <mliska@suse.cz>
1246
1247 * c-target.def: Port to RST.
1248
05788e9b
GA		 12492022-11-05 Lewis Hyatt <lhyatt@gmail.com>
1250
1251 PR preprocessor/55971
1252 * c-ppoutput.cc (adjust_for_newlines): Update comment.
1253
d29260ce
GA		 12542022-11-03 Jason Merrill <jason@redhat.com>
1255
1256 * c-opts.cc (c_common_post_options): -fconcepts no longer implies
1257 -fconcepts-ts before C++20.
1258
3055829a
GA		 12592022-10-28 Joseph Myers <joseph@codesourcery.com>
1260
1261 * c-common.cc (def_fn_type): Call build_function_type for
1262 zero-argument variable-argument function.
1263 (c_common_nodes_and_builtins): Build default_function_type with
1264 build_function_type.
1265 * c.opt (fallow-parameterless-variadic-functions): Mark as ignored
1266 option.
1267
12682022-10-28 Joseph Myers <joseph@codesourcery.com>
1269
1270 PR c/61469
1271 * c-common.h (ENUM_UNDERLYING_TYPE, ENUM_FIXED_UNDERLYING_TYPE_P):
1272 New. Moved from cp/cp-tree.h.
1273 * c-warn.cc (warnings_for_convert_and_check): Do not consider
1274 conversions to enum with underlying type bool to overflow.
1275
486a5037
GA		 12762022-10-26 Marek Polacek <polacek@redhat.com>
1277
1278 PR c++/106393
1279 * c.opt (Wdangling-reference): New.
1280
87f9c4a4
GA		 12812022-10-19 Joseph Myers <joseph@codesourcery.com>
1282
1283 * c-format.h (enum format_lengths): Add FMT_LEN_w8, FMT_LEN_w16,
1284 FMT_LEN_w32, FMT_LEN_w64, FMT_LEN_wf8, FMT_LEN_wf16, FMT_LEN_wf32
1285 and FMT_LEN_wf64.
1286 (NOARGUMENTS, NOLENGTHS): Update definitions.
1287 (T_I8, T2X_I8, T_I16, T2X_I16, T_I32, T2X_I32, T_I64, T2X_I64)
1288 (T_U8, T2X_U8, T_U16, T2X_U16, T_U32, T2X_U32, T_U64, T2X_U64)
1289 (T_IF8, T2X_IF8, T_IF16, T2X_IF16, T_IF32, T2X_IF32, T_IF64)
1290 (T2X_IF64, T_UF8, T2X_UF8, T_UF16, T2X_UF16, T_UF32, T2X_UF32)
1291 (T_UF64, T2X_UF64): New macros.
1292 * c-format.cc (printf_length_specs, scanf_length_specs): Add wN
1293 and wfN length modifiers.
1294 (print_char_table, scan_char_table): Add entries using wN and wfN
1295 length modifiers.
1296
21de009f
GA		 12972022-10-18 Joseph Myers <joseph@codesourcery.com>
1298
1299 PR c/36113
1300 * c-common.cc (c_common_type_for_size): Add fallback to
1301 widest_unsigned_literal_type_node or
1302 widest_integer_literal_type_node for precision that may not
1303 exactly match the precision of those types.
1304
baeec7cc
GA		 13052022-10-14 Jakub Jelinek <jakub@redhat.com>
1306
1307 * c-cppbuiltin.cc (c_cpp_builtins): If bfloat16_type_node,
1308 predefine __BFLT16_*__ macros and for C++23 also
1309 __STDCPP_BFLOAT16_T__. Predefine bfloat16_type_node related
1310 macros for -fbuilding-libgcc.
1311 * c-lex.cc (interpret_float): Handle CPP_N_BFLOAT16.
1312
13132022-10-14 Jakub Jelinek <jakub@redhat.com>
1314
1315 PR middle-end/323
1316 PR c++/107097
1317 * c-common.def (EXCESS_PRECISION_EXPR): Remove comment part about
1318 the tree being specific to C/ObjC.
1319 * c-opts.cc (c_common_post_options): Handle flag_excess_precision
1320 in C++ the same as in C.
1321 * c-lex.cc (interpret_float): Set const_type to excess_precision ()
1322 even for C++.
1323
621a911d
GA		 13242022-10-13 Joseph Myers <joseph@codesourcery.com>
1325
1326 * c-cppbuiltin.cc (builtin_define_float_constants): Do not use
1327 value 2 for *_IS_IEC_60559.
1328
781f477a
GA		 13292022-10-12 Lewis Hyatt <lhyatt@gmail.com>
1330
1331 PR preprocessor/60014
1332 PR preprocessor/60723
1333 * c-ppoutput.cc (class token_streamer): Remove member
1334 line_marker_emitted to...
1335 (token_streamer::stream): ...a local variable here. Set
1336 print.prev_was_system_token on all code paths.
1337
27bfe54e
GA		 13382022-10-10 Nathan Sidwell <nathan@acm.org>
1339
1340 * c-opts.cc (c_common_post_options): Bump abi to 18.
1341
13422022-10-10 Marek Polacek <polacek@redhat.com>
1343
1344 PR c++/106937
1345 * c-pretty-print.cc (pp_c_specifier_qualifier_list): Print only GNU
1346 attributes here.
1347 (c_pretty_printer::direct_abstract_declarator): Print the standard [[]]
1348 attributes here.
1349 (pp_c_attributes): Remove.
1350 (pp_c_attributes_display): Print the [[]] form if appropriate. Use
1351 get_attribute_name. Don't print a trailing space when printing the
1352 [[]] form.
1353 * c-pretty-print.h (pp_c_attributes): Remove.
1354
9ff6c33e
GA		 13552022-10-07 Qing Zhao <qing.zhao@oracle.com>
1356
1357 * c-attribs.cc (handle_strict_flex_array_attribute): New function.
1358 (c_common_attribute_table): New item for strict_flex_array.
1359 * c.opt: (fstrict-flex-arrays): New option.
1360 (fstrict-flex-arrays=): New option.
1361
13622022-10-07 Martin Liska <mliska@suse.cz>
1363
1364 * name-hint.h: Use std::move.
1365
13662022-10-07 Jakub Jelinek <jakub@redhat.com>
1367
1368 * c-common.cc (attribute_fallthrough_p): Lookup fallthrough attribute
1369 only in gnu namespace or as standard attribute, treat fallthrough
1370 attributes in other namespaces like any other unknown attribute.
1371
629d04d3
GA		 13722022-10-06 Joseph Myers <joseph@codesourcery.com>
1373
1374 * c-common.cc (c_common_reswords): Mark typeof as D_EXT11. Add
1375 typeof_unqual.
1376 * c-common.h (enum rid): Add RID_TYPEOF_UNQUAL.
1377 (D_EXT11): New macro. Values of subsequent macros updated.
1378
13792022-10-06 Jakub Jelinek <jakub@redhat.com>
1380
1381 PR c++/106654
1382 * c-attribs.cc (handle_assume_attribute): New function.
1383 (c_common_attribute_table): Add entry for assume attribute.
1384 * c-lex.cc (c_common_has_attribute): Handle
1385 __have_cpp_attribute (assume).
1386
85872a69
GA		 13872022-10-04 Jakub Jelinek <jakub@redhat.com>
1388
1389 * c-omp.cc (c_omp_directives): Uncomment begin declare target
1390 entry.
1391
69fd6dcc
GA		 13922022-10-03 Patrick Palka <ppalka@redhat.com>
1393
1394 * c-common.cc (c_common_reswords): Use RID_IS_SAME instead of
1395 RID_IS_SAME_AS.
1396
13972022-10-03 Joseph Myers <joseph@codesourcery.com>
1398
1399 * c-cppbuiltin.cc (builtin_define_float_constants): Do not
1400 special-case __*_EPSILON__ setting for IBM long double for C2x.
1401
3a221b73
GA		 14022022-09-30 Patrick Palka <ppalka@redhat.com>
1403
1404 * c-common.cc (c_common_reswords): Use cp/cp-trait.def to handle
1405 C++ traits.
1406 * c-common.h (enum rid): Likewise.
1407
bbdcdf5c
GA		 14082022-09-29 Joseph Myers <joseph@codesourcery.com>
1409
1410 * c-lex.cc (c_common_has_attribute): Handle noreturn attribute for
1411 C.
1412
14132022-09-29 Patrick Palka <ppalka@redhat.com>
1414
1415 * c-common.cc (c_common_reswords): Add __remove_cv,
1416 __remove_reference and __remove_cvref.
1417 * c-common.h (enum rid): Add RID_REMOVE_CV, RID_REMOVE_REFERENCE
1418 and RID_REMOVE_CVREF.
1419
1f16a020
GA		 14202022-09-27 Marek Polacek <polacek@redhat.com>
1421
1422 PR c++/101165
1423 PR c++/106882
1424 * c-cppbuiltin.cc (c_cpp_builtins): Define __cpp_implicit_move.
1425
14262022-09-27 Marek Polacek <polacek@redhat.com>
1427
1428 * c-format.cc (c_keywords): Drop nothrow.
1429
14302022-09-27 Jakub Jelinek <jakub@redhat.com>
1431
1432 PR c++/106651
1433 * c-cppbuiltin.cc (c_cpp_builtins): Predefine
1434 __cpp_static_call_operator=202207L for C++23.
1435
14362022-09-27 Jakub Jelinek <jakub@redhat.com>
1437
1438 * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ASSUME,
1439 PRAGMA_OMP_ASSUMES and PRAGMA_OMP_BEGIN. Rename
1440 PRAGMA_OMP_END_DECLARE_TARGET to PRAGMA_OMP_END.
1441 * c-pragma.cc (omp_pragmas): Add assumes and begin.
1442 For end rename PRAGMA_OMP_END_DECLARE_TARGET to PRAGMA_OMP_END.
1443 (omp_pragmas_simd): Add assume.
1444 * c-common.h (c_omp_directives): Declare.
1445 * c-omp.cc (omp_directives): Rename to ...
1446 (c_omp_directives): ... this. No longer static. Uncomment
1447 assume, assumes, begin assumes and end assumes entries.
1448 In end declare target entry rename PRAGMA_OMP_END_DECLARE_TARGET
1449 to PRAGMA_OMP_END.
1450 (c_omp_categorize_directive): Adjust for omp_directives to
1451 c_omp_directives renaming.
1452
14532022-09-27 Jakub Jelinek <jakub@redhat.com>
1454
1455 PR c++/106652
1456 PR c++/85518
1457 * c-common.cc (c_common_reswords): Change _Float{16,32,64,128} and
1458 _Float{32,64,128}x flags from D_CONLY to 0.
1459 (shorten_binary_op): Punt if common_type returns error_mark_node.
1460 (shorten_compare): Likewise.
1461 (c_common_nodes_and_builtins): For C++ record _Float{16,32,64,128}
1462 and _Float{32,64,128}x builtin types if available. For C++
1463 clear float128t_type_node.
1464 * c-cppbuiltin.cc (c_cpp_builtins): Predefine
1465 __STDCPP_FLOAT{16,32,64,128}_T__ for C++23 if supported.
1466 * c-lex.cc (interpret_float): For q/Q suffixes prefer
1467 float128t_type_node over float128_type_node. Allow
1468 {f,F}{16,32,64,128} suffixes for C++ if supported with pedwarn
1469 for C++20 and older. Allow {f,F}{32,64,128}x suffixes for C++
1470 with pedwarn. Don't call excess_precision_type for C++.
1471
220c4d8e
GA		 14722022-09-26 Marek Polacek <polacek@redhat.com>
1473
1474 PR c++/106656
1475 * c-cppbuiltin.cc (c_cpp_builtins): Update value of __cpp_char8_t
1476 for C++20.
1477
4afaeaab
GA		 14782022-09-23 Marek Polacek <polacek@redhat.com>
1479
1480 PR c++/106784
1481 * c-common.cc (c_common_reswords): Add __is_convertible and
1482 __is_nothrow_convertible.
1483 * c-common.h (enum rid): Add RID_IS_CONVERTIBLE and
1484 RID_IS_NOTHROW_CONVERTIBLE.
1485
279c6715
GA		 14862022-09-22 David Malcolm <dmalcolm@redhat.com>
1487
1488 PR c/106830
1489 * c-warn.cc (check_for_xor_used_as_pow): Don't try checking
1490 values that don't fit in uhwi.
1491
d0fc05e8
GA		 14922022-09-15 Richard Biener <rguenther@suse.de>
1493
1494 * c-common.h (build_void_list_node): Remove.
1495 * c-common.cc (c_common_nodes_and_builtins): Do not initialize
1496 void_list_node.
1497
861d1a11
GA		 14982022-09-09 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1499
1500 * c-format.cc (convert_format_name_to_system_name): Fix warning.
1501
fe2a8ce9
GA		 15022022-09-07 Joseph Myers <joseph@codesourcery.com>
1503
1504 * c-common.cc (c_common_reswords): Use D_C2X instead of D_CXXONLY
1505 for alignas, alignof, bool, false, static_assert, thread_local and
1506 true.
1507
15082022-09-07 Jakub Jelinek <jakub@redhat.com>
1509
1510 * c.opt (Winvalid-utf8): Use ObjC instead of objC. Remove
1511 " in comments" from description.
1512 (Wunicode): New option.
1513
25aeb922
GA		 15142022-09-06 Jakub Jelinek <jakub@redhat.com>
1515
1516 PR c/106836
1517 * c-omp.cc (c_omp_split_clauses): Handle OMP_CLAUSE_DOACROSS.
1518
83f2f228
GA		 15192022-09-03 Jakub Jelinek <jakub@redhat.com>
1520
1521 * c-pragma.h (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_DOACROSS.
1522 * c-omp.cc (c_finish_omp_depobj): Check also for OMP_CLAUSE_DOACROSS
1523 clause and diagnose it. Don't handle OMP_CLAUSE_DEPEND_SOURCE and
1524 OMP_CLAUSE_DEPEND_SINK. Assert kind is not OMP_CLAUSE_DEPEND_INVALID.
1525
c64b0947
GA		 15262022-09-02 David Malcolm <dmalcolm@redhat.com>
1527
1528 PR c/90885
1529 * c-common.h (check_for_xor_used_as_pow): New decl.
1530 * c-lex.cc (c_lex_with_flags): Add DECIMAL_INT to flags as appropriate.
1531 * c-warn.cc (check_for_xor_used_as_pow): New.
1532 * c.opt (Wxor-used-as-pow): New.
1533
bb0a1556
GA		 15342022-09-01 Jason Merrill <jason@redhat.com>
1535
1536 * c-common.cc (c_common_nodes_and_builtins): Set TREE_STRING_FLAG on
1537 char8_t.
1538 (braced_list_to_string): Check for char-sized elements.
1539
15402022-09-01 Jakub Jelinek <jakub@redhat.com>
1541
1542 PR c++/106655
1543 * c.opt (-Winvalid-utf8): New warning.
1544 * c-opts.cc (c_common_handle_option) <case OPT_finput_charset_>:
1545 Set cpp_opts->cpp_input_charset_explicit.
1546 (c_common_post_options): If -finput-charset=UTF-8 is explicit
1547 in C++23, enable -Winvalid-utf8 by default and if -pedantic
1548 or -pedantic-errors, make it a pedwarn.
1549
542c60c4
GA		 15502022-08-31 Joseph Myers <joseph@codesourcery.com>
1551
1552 * c-attribs.cc (handle_deprecated_attribute): Check and pedwarn
1553 for LABEL_DECL.
1554 * c-common.cc (c_add_case_label): Add argument ATTRS. Call
1555 decl_attributes.
1556 * c-common.h (do_case, c_add_case_label): Update declarations.
1557 * c-lex.cc (c_common_has_attribute): For C, produce a result of
1558 201910 for fallthrough and 202106 for maybe_unused.
1559
16f542d6
GA		 15602022-08-26 Marek Polacek <polacek@redhat.com>
1561
1562 PR c++/81159
1563 * c.opt (Wself-move): New option.
1564
15652022-08-26 Jakub Jelinek <jakub@redhat.com>
1566
1567 * c-common.cc (check_builtin_function_arguments): Handle
1568 BUILT_IN_ISSIGNALING.
1569
15702022-08-26 Jakub Jelinek <jakub@redhat.com>
1571
1572 PR c++/106648
1573 * c-cppbuiltin.cc (c_cpp_builtins): Predefine
1574 __cpp_named_character_escapes to 202207L.
1575
5d4389dc
GA		 15762022-08-25 Marek Polacek <polacek@redhat.com>
1577
1578 * c-common.cc (c_common_reswords): Enable nullptr in C2X.
1579 (c_common_nodes_and_builtins): Create the built-in node for nullptr.
1580 * c-common.h (enum c_tree_index): Add CTI_NULLPTR, CTI_NULLPTR_TYPE.
1581 (struct c_common_resword): Resize the disable member.
1582 (D_C2X): Add.
1583 (nullptr_node): Define.
1584 (nullptr_type_node): Define.
1585 (NULLPTR_TYPE_P): Define.
1586 * c-pretty-print.cc (c_pretty_printer::simple_type_specifier): Handle
1587 NULLPTR_TYPE.
1588 (c_pretty_printer::direct_abstract_declarator): Likewise.
1589 (c_pretty_printer::constant): Likewise.
1590
47a61e65
GA		 15912022-08-16 Tom Honermann <tom@honermann.net>
1592
1593 PR c++/106423
1594 * c-opts.cc (c_common_post_options): Disable -Wc++20-compat
1595 diagnostics in C++20 and later.
1596 * c.opt (Wc++20-compat): Enable hooks for the preprocessor.
1597
5cd525f0
GA		 15982022-08-11 Marek Polacek <polacek@redhat.com>
1599
1600 PR middle-end/102633
1601 * c-gimplify.cc (c_gimplify_expr) <case DECL_EXPR>: Don't call
1602 suppress_warning here.
1603
5f17badb
GA		 16042022-08-08 Tom Honermann <tom@honermann.net>
1605
1606 PR preprocessor/106426
1607 * c-opts.cc (c_common_post_options): Assign cpp_opts->unsigned_utf8char
1608 subject to -fchar8_t, -fsigned-char, and/or -funsigned-char.
1609
16102022-08-08 Tom Honermann <tom@honermann.net>
1611
1612 * c-lex.cc (lex_string, lex_charconst): Use char8_t as the type
1613 of CPP_UTF8CHAR and CPP_UTF8STRING when char8_t support is
1614 enabled.
1615 * c-opts.cc (c_common_post_options): Set flag_char8_t if
1616 targeting C2x.
1617
4a7274dd
GA		 16182022-07-31 Lewis Hyatt <lhyatt@gmail.com>
1619
1620 PR c++/66290
1621 * c-common.h: Rename global done_lexing to
1622 override_libcpp_locations.
1623 * c-common.cc (c_cpp_diagnostic): Likewise.
1624 * c-opts.cc (c_common_finish): Set override_libcpp_locations
1625 (formerly done_lexing) immediately prior to calling cpp_finish ().
1626
1e2c5f4c
GA		 16272022-07-27 Lewis Hyatt <lhyatt@gmail.com>
1628
1629 * c-ppoutput.cc (token_streamer::stream): Update input_location
1630 prior to streaming each token.
1631
0e6fa997
GA		 16322022-07-23 Immad Mir <mirimmad@outlook.com>
1633
1634 * c-attribs.cc: (c_common_attribute_table): add three new attributes
1635 namely: fd_arg, fd_arg_read and fd_arg_write.
1636 (handle_fd_arg_attribute): New.
1637
bdc7b765
GA		 16382022-07-15 Marek Polacek <polacek@redhat.com>
1639
1640 PR c++/104477
1641 * c-common.cc (c_common_reswords): Add
1642 __reference_constructs_from_temporary and
1643 __reference_converts_from_temporary.
1644 * c-common.h (enum rid): Add RID_REF_CONSTRUCTS_FROM_TEMPORARY and
1645 RID_REF_CONVERTS_FROM_TEMPORARY.
1646
16472022-07-15 Jonathan Wakely <jwakely@redhat.com>
1648
1649 * c-format.cc (class range_label_for_format_type_mismatch):
1650 Adjust to new label_text API.
1651
c72d4714
GA		 16522022-07-11 Lewis Hyatt <lhyatt@gmail.com>
1653
1654 PR preprocessor/106252
1655 * c-pragma.cc (handle_pragma_diagnostic_impl): Don't look up the
1656 option argument prior to verifying the option was found.
1657
6345c414
GA		 16582022-07-07 David Malcolm <dmalcolm@redhat.com>
1659
1660 * c-format.cc (range_label_for_format_type_mismatch::get_text):
1661 Update for removal of label_text::maybe_free in favor of automatic
1662 memory management.
1663
4bc92c3b
GA		 16642022-07-06 Lewis Hyatt <lhyatt@gmail.com>
1665
1666 PR preprocessor/53920
1667 PR c++/53431
1668 * c-common.cc (c_option_is_from_cpp_diagnostics): New function.
1669 * c-common.h (c_option_is_from_cpp_diagnostics): Declare.
1670 (c_pp_stream_token): Declare.
1671 * c-ppoutput.cc (init_pp_output): Refactor logic about skipping
1672 pragmas to...
1673 (should_output_pragmas): ...here. New function.
1674 (token_streamer::stream): Support handling early pragmas.
1675 (do_line_change): Likewise.
1676 (c_pp_stream_token): New function.
1677 * c-pragma.cc (struct pragma_diagnostic_data): New helper class.
1678 (pragma_diagnostic_lex_normal): New function. Moved logic for
1679 interpreting GCC diagnostic pragmas here.
1680 (pragma_diagnostic_lex_pp): New function for parsing diagnostic pragmas
1681 directly from libcpp.
1682 (handle_pragma_diagnostic): Refactor into helper function...
1683 (handle_pragma_diagnostic_impl): ...here. New function.
1684 (handle_pragma_diagnostic_early): New function.
1685 (handle_pragma_diagnostic_early_pp): New function.
1686 (struct pragma_ns_name): Renamed to...
1687 (struct pragma_pp_data): ...this. Add new "early_handler" member.
1688 (c_register_pragma_1): Support early pragmas in the preprocessor.
1689 (c_register_pragma_with_early_handler): New function.
1690 (c_register_pragma): Support the new early handlers in struct
1691 internal_pragma_handler.
1692 (c_register_pragma_with_data): Likewise.
1693 (c_register_pragma_with_expansion): Likewise.
1694 (c_register_pragma_with_expansion_and_data): Likewise.
1695 (c_invoke_early_pragma_handler): New function.
1696 (c_pp_invoke_early_pragma_handler): New function.
1697 (init_pragma): Add early pragma support for diagnostic pragmas.
1698 * c-pragma.h (struct internal_pragma_handler): Add new early handler
1699 members.
1700 (c_register_pragma_with_early_handler): Declare.
1701 (c_invoke_early_pragma_handler): Declare.
1702 (c_pp_invoke_early_pragma_handler): Declare.
1703
d1f3a3ff
GA		 17042022-07-05 Marek Polacek <polacek@redhat.com>
1705
1706 PR c++/105626
1707 * c-format.cc (check_format_arg): Don't emit -Wformat warnings with
1708 u8 strings.
1709
ed974488
GA		 17102022-07-01 Marek Polacek <polacek@redhat.com>
1711
1712 PR c++/106111
1713 * c-common.h (enum rid): Update RID_LAST_CXX20.
1714
976196b3
GA		 17152022-06-30 Jonathan Wakely <jwakely@redhat.com>
1716
1717 * known-headers.cc (get_stdlib_header_for_name): Add <time.h>
1718 names.
1719
84c2131d
GA		 17202022-06-24 Jason Merrill <jason@redhat.com>
1721
1722 PR c++/87729
1723 PR c++/20423
1724 * c.opt (Woverloaded-virtual): Add levels, include in -Wall.
1725
4390e7bf
GA		 17262022-06-18 Jakub Jelinek <jakub@redhat.com>
1727
1728 * c-ubsan.cc (ubsan_instrument_division, ubsan_instrument_shift):
1729 Use flag_sanitize_trap & SANITIZE_??? instead of
1730 flag_sanitize_undefined_trap_on_error. If 2 sanitizers are involved
1731 and flag_sanitize_trap differs for them, emit __builtin_trap only
1732 for the comparison where trap is requested.
1733 (ubsan_instrument_vla, ubsan_instrument_return): Use
1734 lag_sanitize_trap & SANITIZE_??? instead of
1735 flag_sanitize_undefined_trap_on_error.
1736
c3642271
GA		 17372022-06-13 Jason Merrill <jason@redhat.com>
1738
1739 * c-ubsan.cc (ubsan_instrument_return): Use BUILTINS_LOCATION.
1740
d9176e64
GA		 17412022-05-27 Marek Polacek <polacek@redhat.com>
1742
1743 PR c/90658
1744 * c-attribs.cc (get_priority): Check FUNCTION_DECL.
1745
17462022-05-27 Jakub Jelinek <jakub@redhat.com>
1747
1748 * c-pragma.h (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_ENTER.
1749
57f2ce6a
GA		 17502022-05-20 David Malcolm <dmalcolm@redhat.com>
1751
1752 * c-format.cc: Replace uses of "FINAL" and "OVERRIDE" with "final"
1753 and "override".
1754 * c-pretty-print.h: Likewise.
1755
1cda629f
GA		 17562022-05-18 Marek Polacek <polacek@redhat.com>
1757
1758 PR c/105131
1759 * c.opt (Wenum-int-mismatch): New.
1760
17612022-05-18 Marek Polacek <polacek@redhat.com>
1762
1763 PR c++/105497
1764 * c-warn.cc (c_do_switch_warnings): Don't warn about unhandled
1765 enumerator when it was marked with attribute unused.
1766
17672022-05-18 Eric Botcazou <ebotcazou@adacore.com>
1768
1769 * c-ada-spec.cc (dump_ada_node) <COMPLEX_TYPE>: Deal with usual
1770 floating-point complex types.
1771 <POINTER_TYPE>: Do not use limited_with clause if the designated
1772 type is a scalar type.
1773
3d9439b1
GA		 17742022-05-17 Jakub Jelinek <jakub@redhat.com>
1775
1776 * c-omp.cc (c_finish_omp_depobj): Handle
1777 OMP_CLAUSE_DEPEND_INOUTSET.
1778
702bd11f
GA		 17792022-05-16 Jason Merrill <jason@redhat.com>
1780
1781 PR c/105492
1782 * c-attribs.cc (handle_mode_attribute): Don't fix broken typedefs
1783 here.
1784
17852022-05-16 Martin Liska <mliska@suse.cz>
1786
1787 * c-common.cc (ARRAY_SIZE): Use ARRAY_SIZE.
1788 (c_common_nodes_and_builtins): Likewise.
1789 * c-format.cc (check_tokens): Likewise.
1790 (check_plain): Likewise.
1791 * c-pragma.cc (c_pp_lookup_pragma): Likewise.
1792 (init_pragma): Likewise.
1793 * known-headers.cc (get_string_macro_hint): Likewise.
1794 (get_stdlib_header_for_name): Likewise.
1795 * c-attribs.cc: Likewise.
1796
9df4ffe4
GA		 17972022-05-13 Richard Biener <rguenther@suse.de>
1798
1799 * c-omp.cc: Remove gimple-fold.h include.
1800
49ace834
GA		 18012022-05-12 Jakub Jelinek <jakub@redhat.com>
1802
1803 * c-common.h (enum rid): Add RID_OMP_ALL_MEMORY.
1804 * c-omp.cc (c_finish_omp_depobj): Don't build_fold_addr_expr
1805 if null_pointer_node.
1806
d0d513b5
GA		 18072022-05-11 Martin Liska <mliska@suse.cz>
1808
1809 PR target/105355
1810 * c-opts.cc (c_common_handle_option): Change option name.
1811 * c.opt: Remove Joined and use Separate option.
1812
bd022ff9
GA		 18132022-05-09 Alex Coplan <alex.coplan@arm.com>
1814
1815 * c-common.h (get_dump_info): Delete.
1816 * c-gimplify.cc (c_genericize): Get TDI_original dump file info
1817 from the global dump_manager instead of the (now obsolete)
1818 get_dump_info.
1819 * c-opts.cc (original_dump_file): Delete.
1820 (original_dump_flags): Delete.
1821 (c_common_parse_file): Switch to using global dump_manager to
1822 manage the original dump file; fix leak of dump file.
1823 (get_dump_info): Delete.
1824
a1947c92
GA		 18252022-05-07 Marek Polacek <polacek@redhat.com>
1826
1827 PR c++/101833
1828 PR c++/47634
1829 * c-attribs.cc (positional_argument): Pass POS by reference. Deal
1830 with FN being either a function declaration or function type. Use
1831 maybe_adjust_arg_pos_for_attribute.
1832 * c-common.cc (check_function_arguments): Maybe pass FNDECL down to
1833 check_function_format.
1834 * c-common.h (maybe_adjust_arg_pos_for_attribute): Declare.
1835 (positional_argument): Adjust.
1836 * c-format.cc (get_constant): Rename to ...
1837 (validate_constant): ... this. Take EXPR by reference. Return bool
1838 instead of tree.
1839 (handle_format_arg_attribute): Don't overwrite FORMAT_NUM_EXPR by the
1840 return value of validate_constant.
1841 (decode_format_attr): Don't overwrite FORMAT_NUM_EXPR and
1842 FIRST_ARG_NUM_EXPR by the return value of validate_constant.
1843 (check_function_format): Adjust a parameter name.
1844 (handle_format_attribute): Maybe pass FNDECL down to decode_format_attr.
1845
3e7db517
GA		 18462022-05-04 Marek Polacek <polacek@redhat.com>
1847
1848 * c-warn.cc (warnings_for_convert_and_check): Convert constants of type
1849 char to int.
1850
95874f95
GA		 18512022-04-30 Jason Merrill <jason@redhat.com>
1852
1853 PR c/100545
1854 * c-attribs.cc (handle_mode_attribute): Copy attributes, aligned,
1855 and typedef.
1856 * c-common.cc (set_underlying_type): Add assert.
1857
01ad093b
GA		 18582022-04-26 Patrick Palka <ppalka@redhat.com>
1859
1860 PR c++/105304
1861 * c-common.cc (verify_tree) [restart]: Move up to before the
1862 NULL test.
1863
da066c42
GA		 18642022-04-11 Jakub Jelinek <jakub@redhat.com>
1865
1866 PR c++/105186
1867 * c-common.cc (c_common_nodes_and_builtins): After registering __int%d
1868 and __int%d__ builtin types, initialize corresponding ridpointers
1869 entry.
1870
150ab50f
GA		 18712022-03-30 Marek Polacek <polacek@redhat.com>
1872
1873 PR c++/101030
1874 * c-warn.cc (conversion_warning) <case COND_EXPR>: Don't call
1875 conversion_warning when OP1 is null.
1876
18772022-03-30 Thomas Schwinge <thomas@codesourcery.com>
1878
1879 * c.opt (Wc++11-extensions, Wc++14-extensions, Wc++17-extensions)
1880 (Wc++20-extensions, Wc++23-extensions): Remove 'LangEnabledBy'
1881 option properties.
1882
18832022-03-30 Thomas Schwinge <thomas@codesourcery.com>
1884
1885 * c.opt (Wuse-after-free): Remove.
1886
18872022-03-30 Thomas Schwinge <thomas@codesourcery.com>
1888
1889 * c.opt (Warray-bounds): Remove.
1890
d2906412
GA		 18912022-03-26 Thomas Schwinge <thomas@codesourcery.com>
1892
1893 * c.opt: Properly quote comment.
1894
31e989a2
GA		 18952022-03-25 Eric Botcazou <ebotcazou@adacore.com>
1896
1897 * c-ada-spec.cc (dump_ada_import): Deal with the "section" attribute
1898 (dump_ada_node) <POINTER_TYPE>: Do not modify and pass the name, but
1899 the referenced type instead. Deal with the anonymous original type
1900 of a typedef'ed type. In the actual access case, follow the chain
1901 of external subtypes.
1902 <TYPE_DECL>: Tidy up control flow.
1903
d156bb87
GA		 19042022-03-21 Qian Jianhua <qianjh@cn.fujitsu.com>
1905
1906 * c-ada-spec.cc: Change array length
1907
d7f00da1
GA		 19082022-03-19 Arthur Cohen <arthur.cohen@embecosm.com>
1909
1910 * c-common.cc (c_family_tests): Call the new tests.
1911 * c-common.h (c_diagnostic_tests): Declare.
1912 (c_opt_problem_cc_tests): Likewise.
1913
19142022-03-19 Jakub Jelinek <jakub@redhat.com>
1915
1916 PR c++/101515
1917 * c-pretty-print.cc (c_fold_indirect_ref_for_warn): For C++ don't
1918 return COMPONENT_REFs with FIELD_DECLs whose containing scope can't
1919 be printed.
1920
9fc8f278
GA		 19212022-03-16 Christophe Lyon <christophe.lyon@arm.com>
1922 Roger Sayle <roger@nextmovesoftware.com>
1923
1924 PR c/98198
1925 * c-attribs.cc (decl_or_type_attrs): Add error_mark_node check.
1926
19272022-03-16 Patrick Palka <ppalka@redhat.com>
1928
1929 PR c++/96780
1930 * c.opt: Add -ffold-simple-inlines.
1931
b9756c08
GA		 19322022-03-13 Tobias Burnus <tobias@codesourcery.com>
1933
1934 * c-target.def (check_string_object_format_arg): Fix description typo.
1935
57eeedda
GA		 19362022-03-12 Thomas Schwinge <thomas@codesourcery.com>
1937
1938 PR other/65095
1939 * c-common.h (c_omp_map_clause_name): Remove.
1940 * c-omp.cc (c_omp_map_clause_name): Remove.
1941
8cc4f9cd
GA		 19422022-03-09 Jakub Jelinek <jakub@redhat.com>
1943
1944 PR c/104711
1945 * c-opts.cc (c_common_post_options): Don't enable
1946 -Wshift-negative-value from -Wextra for C++20 or later.
1947 * c-ubsan.cc (ubsan_instrument_shift): Adjust comments.
1948 * c-warn.cc (maybe_warn_shift_overflow): Use TYPE_OVERFLOW_WRAPS
1949 instead of TYPE_UNSIGNED.
1950
e6533e2e
GA		 19512022-03-07 Jakub Jelinek <jakub@redhat.com>
1952
1953 * c-attribs.cc: Fix up duplicated word issue in a comment.
1954
12d4552e
GA		 19552022-03-01 Martin Liska <mliska@suse.cz>
1956
1957 PR ipa/104533
1958 * c-attribs.cc (handle_target_clones_attribute): Use
1959 get_target_clone_attr_len and report warning soon.
1960
0bdb0498
GA		 19612022-02-17 Jonathan Wakely <jwakely@redhat.com>
1962
1963 * c-pragma.cc (handle_pragma_pack): Remove parameter name.
1964 (handle_pragma_weak): Likewise.
1965 (handle_pragma_scalar_storage_order): Likewise.
1966 (handle_pragma_redefine_extname): Likewise.
1967 (handle_pragma_visibility): Likewise.
1968 (handle_pragma_diagnostic): Likewise.
1969 (handle_pragma_target): Likewise.
1970 (handle_pragma_optimize): Likewise.
1971 (handle_pragma_push_options): Likewise.
1972 (handle_pragma_pop_options): Likewise.
1973 (handle_pragma_reset_options): Likewise.
1974 (handle_pragma_message): Likewise.
1975 (handle_pragma_float_const_decimal64): Likewise.
1976
cb3afcd2
GA		 19772022-02-16 Jakub Jelinek <jakub@redhat.com>
1978
1979 PR c/104531
1980 * c-omp.cc (c_finish_omp_atomic): For MIN_EXPR/MAX_EXPR, try first
1981 build_binary_op with LT_EXPR and only if that doesn't return
1982 error_mark_node call build_modify_expr.
1983
19842022-02-16 Jakub Jelinek <jakub@redhat.com>
1985
1986 PR c/104510
1987 * c-common.cc (shorten_compare): Convert original arguments to
1988 the original *restype_ptr when mixing binary and decimal float.
1989
1f8a09d2
GA		 19902022-02-14 Richard Biener <rguenther@suse.de>
1991
1992 PR c/104505
1993 * c-pretty-print.cc (c_pretty_printer::postfix_expression): Handle
1994 internal function calls.
1995
e8d68f0a
GA		 19962022-02-11 Richard Biener <rguenther@suse.de>
1997
1998 * c-attribs.cc (c_common_attribute_table): Add entry for
1999 vector_mask.
2000 (handle_vector_mask_attribute): New.
2001
a645583d
GA		 20022022-02-10 Marcel Vollweiler <marcel@codesourcery.com>
2003
2004 * c-omp.cc (c_omp_split_clauses): Added OMP_CLAUSE_HAS_DEVICE_ADDR case.
2005 * c-pragma.h (enum pragma_kind): Added 5.1 in comment.
2006 (enum pragma_omp_clause): Added PRAGMA_OMP_CLAUSE_HAS_DEVICE_ADDR.
2007
3adf509f
GA		 20082022-02-09 Jason Merrill <jason@redhat.com>
2009
2010 * c-cppbuiltin.cc (c_cpp_builtins): Update values
2011 of __cpp_constexpr and __cpp_concepts for C++20.
2012
bb99171b
GA		 20132022-01-24 Marek Polacek <polacek@redhat.com>
2014
2015 PR preprocessor/104030
2016 * c.opt (Wbidi-chars): Mark as EnumSet. Also accept =ucn.
2017
9dd44357
GA		 20182022-01-21 Jakub Jelinek <jakub@redhat.com>
2019
2020 PR c++/104148
2021 * c-common.h (check_function_arguments_recurse): Add for_format
2022 arg.
2023 * c-common.cc (check_function_nonnull): Pass false to
2024 check_function_arguments_recurse's last argument.
2025 (check_function_arguments_recurse): Add for_format argument,
2026 if true, don't stop on warning_suppressed_p.
2027 * c-format.cc (check_format_info): Pass true to
2028 check_function_arguments_recurse's last argument.
2029
fe1ad141
GA		 20302022-01-19 David Malcolm <dmalcolm@redhat.com>
2031
2032 * c-common.cc (c_common_c_tests): Rename to...
2033 (c_common_cc_tests): ...this.
2034 (c_family_tests): Update calls for .c to .cc renaming.
2035 * c-common.h (c_format_c_tests): Rename to...
2036 (c_format_cc_tests): ...this.
2037 (c_indentation_c_tests): Rename to...
2038 (c_indentation_cc_tests): ...this.
2039 (c_pretty_print_c_tests): Rename to...
2040 (c_pretty_print_cc_tests): ...this.
2041 * c-format.cc (c_format_c_tests): Rename to...
2042 (c_format_cc_tests): ...this.
2043 * c-indentation.cc (c_indentation_c_tests): Rename to...
2044 (c_indentation_cc_tests): ...this.
2045 * c-pretty-print.cc (c_pretty_print_c_tests): Rename to...
2046 (c_pretty_print_cc_tests): ...this.
2047
fc829782
GA		 20482022-01-17 Martin Liska <mliska@suse.cz>
2049
2050 * c-ada-spec.cc: Rename .c names to .cc.
2051 * c-ada-spec.h: Likewise.
2052 * c-common.cc (c_build_vec_convert): Likewise.
2053 (warning_candidate_p): Likewise.
2054 * c-common.h (enum rid): Likewise.
2055 (build_real_imag_expr): Likewise.
2056 (finish_label_address_expr): Likewise.
2057 (c_get_substring_location): Likewise.
2058 (c_build_bind_expr): Likewise.
2059 (conflict_marker_get_final_tok_kind): Likewise.
2060 (c_parse_error): Likewise.
2061 (check_missing_format_attribute): Likewise.
2062 (invalid_array_size_error): Likewise.
2063 (warn_for_multistatement_macros): Likewise.
2064 (build_attr_access_from_parms): Likewise.
2065 * c-cppbuiltin.cc (c_cpp_builtins): Likewise.
2066 * c-format.cc: Likewise.
2067 * c-gimplify.cc (c_gimplify_expr): Likewise.
2068 * c-indentation.h: Likewise.
2069 * c-objc.h (objc_prop_attr_kind_for_rid): Likewise.
2070 * c-omp.cc (c_omp_predetermined_mapping): Likewise.
2071 * c-opts.cc (c_common_post_options): Likewise.
2072 (set_std_cxx23): Likewise.
2073 * c-pragma.cc (handle_pragma_redefine_extname): Likewise.
2074 * c-pretty-print.h: Likewise.
2075
20762022-01-17 Martin Liska <mliska@suse.cz>
2077
2078 * c-ada-spec.c: Moved to...
2079 * c-ada-spec.cc: ...here.
2080 * c-attribs.c: Moved to...
2081 * c-attribs.cc: ...here.
2082 * c-common.c: Moved to...
2083 * c-common.cc: ...here.
2084 * c-cppbuiltin.c: Moved to...
2085 * c-cppbuiltin.cc: ...here.
2086 * c-dump.c: Moved to...
2087 * c-dump.cc: ...here.
2088 * c-format.c: Moved to...
2089 * c-format.cc: ...here.
2090 * c-gimplify.c: Moved to...
2091 * c-gimplify.cc: ...here.
2092 * c-indentation.c: Moved to...
2093 * c-indentation.cc: ...here.
2094 * c-lex.c: Moved to...
2095 * c-lex.cc: ...here.
2096 * c-omp.c: Moved to...
2097 * c-omp.cc: ...here.
2098 * c-opts.c: Moved to...
2099 * c-opts.cc: ...here.
2100 * c-pch.c: Moved to...
2101 * c-pch.cc: ...here.
2102 * c-ppoutput.c: Moved to...
2103 * c-ppoutput.cc: ...here.
2104 * c-pragma.c: Moved to...
2105 * c-pragma.cc: ...here.
2106 * c-pretty-print.c: Moved to...
2107 * c-pretty-print.cc: ...here.
2108 * c-semantics.c: Moved to...
2109 * c-semantics.cc: ...here.
2110 * c-ubsan.c: Moved to...
2111 * c-ubsan.cc: ...here.
2112 * c-warn.c: Moved to...
2113 * c-warn.cc: ...here.
2114 * cppspec.c: Moved to...
2115 * cppspec.cc: ...here.
2116 * stub-objc.c: Moved to...
2117 * stub-objc.cc: ...here.
2118
9248ee41
GA		 21192022-01-15 Martin Sebor <msebor@redhat.com>
2120
2121 PR c/63272
2122 * c.opt (-Wdangling-pointer): New option.
2123
21242022-01-15 Martin Sebor <msebor@redhat.com>
2125
2126 PR tree-optimization/80532
2127 * c.opt (-Wuse-after-free): New options.
2128
617db51d
GA		 21292022-01-14 David Malcolm <dmalcolm@redhat.com>
2130
2131 * c-attribs.c (c_common_attribute_table): Add "tainted_args".
2132 (handle_tainted_args_attribute): New.
2133
ad3f0d08
GA		 21342022-01-13 Anthony Sharp <anthonysharp15@gmail.com>
2135 Jason Merrill <jason@redhat.com>
2136
2137 PR c++/70417
2138 * c.opt: Added -Wmissing-template-keyword.
2139
21402022-01-13 Richard Biener <rguenther@suse.de>
2141
2142 PR c/104002
2143 * c-common.c (c_common_mark_addressable_vec): Handle TARGET_EXPR.
2144
02a8a01b
GA		 21452022-01-12 Martin Liska <mliska@suse.cz>
2146
2147 PR target/103804
2148 * c-attribs.c (handle_optimize_attribute): Do not call
2149 cl_optimization_compare if we seen an error.
2150
01a254e3
GA		 21512022-01-11 Jakub Jelinek <jakub@redhat.com>
2152
2153 PR c/101537
2154 PR c/103881
2155 * c-warn.c (conversion_warning): Handle BIT_AND_EXPR, BIT_IOR_EXPR
2156 and BIT_XOR_EXPR.
2157
d9450aa0
GA		 21582022-01-10 Richard Biener <rguenther@suse.de>
2159
2160 PR middle-end/101530
2161 * c-common.c (c_build_shufflevector): Wrap the BIT_FIELD_REF
2162 in a TARGET_EXPR to force a temporary.
2163
11ce8d04
GA		 21642022-01-06 Marek Polacek <polacek@redhat.com>
2165
2166 PR c++/103758
2167 * c-pragma.c (handle_pragma_scalar_storage_order): Use %< %> in
2168 diagnostic messages.
2169 (handle_pragma_diagnostic): Likewise.
2170
a4ae8c37
GA		 21712022-01-03 Marek Polacek <polacek@redhat.com>
2172
2173 PR c++/103758
2174 * c-format.c (check_tokens): Accept "decl-specifier*".
2175
21762022-01-03 Jakub Jelinek <jakub@redhat.com>
2177
2178 PR c++/103600
2179 * c-attribs.c (handle_non_overlapping_attribute): New function.
2180 (c_common_attribute_table): Add "non overlapping" attribute.
2181
84790a9d
GA		 21822021-12-30 Jakub Jelinek <jakub@redhat.com>
2183
2184 PR c++/103012
2185 * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Perform
2186 cpp_define_unused/cpp_undef calls with forced token locations
2187 BUILTINS_LOCATION.
2188
d1e111da
GA		 21892021-12-27 Patrick Palka <ppalka@redhat.com>
2190
2191 PR c++/103700
2192 * c-common.c (pointer_int_sum): When quiet, return
2193 error_mark_node for an incomplete pointed-to type and don't
2194 call size_in_bytes_loc.
2195
2554e2da
GA		 21962021-12-17 Jason Merrill <jason@redhat.com>
2197
2198 PR c++/103681
2199 * c-opts.c (c_common_post_options): Update defaults.
2200
774269aa
GA		 22012021-12-16 Martin Liska <mliska@suse.cz>
2202
2203 PR target/103709
2204 * c-pragma.c (handle_pragma_pop_options): Do not check
2205 global options modification when an error is seen in parsing
2206 of options (pragmas or attributes).
2207
c8dcf64b
GA		 22082021-12-12 Jonathan Wakely <jwakely@redhat.com>
2209
2210 * known-headers.cc: Define INCLUDE_MEMORY instead of
2211 INCLUDE_UNIQUE_PTR.
2212 * name-hint.h: Likewise.
2213 (class name_hint): Use std::unique_ptr instead of gnu::unique_ptr.
2214
4b4839e3
GA		 22152021-12-09 Jakub Jelinek <jakub@redhat.com>
2216
2217 PR pch/71934
2218 * c-pch.c (c_common_no_more_pch): Pass a temporary void * var
2219 with NULL value instead of NULL to host_hooks.gt_pch_use_address.
2220
03a9bd05
GA		 22212021-12-03 Jakub Jelinek <jakub@redhat.com>
2222
2223 PR pch/71934
2224 * c-pch.c (struct c_pch_validity): Remove pch_init member.
2225 (pch_init): Don't initialize v.pch_init.
2226 (c_common_valid_pch): Don't warn and punt if .text addresses change.
2227
40fa651e
GA		 22282021-12-01 Jason Merrill <jason@redhat.com>
2229
2230 PR c++/103310
2231 * c.opt: Add -fconstexpr-fp-except.
2232
87cd82c8
GA		 22332021-11-29 Richard Biener <rguenther@suse.de>
2234
2235 * c-format.c (check_format_string): Remove spurious
2236 gcc_unreachable.
2237
22382021-11-29 Richard Biener <rguenther@suse.de>
2239
2240 * c-opts.c (c_common_post_options): Remove unreachable return.
2241 * c-pragma.c (handle_pragma_target): Likewise.
2242 (handle_pragma_optimize): Likewise.
2243
091ccc06
GA		 22442021-11-25 Jakub Jelinek <jakub@redhat.com>
2245
2246 PR c++/102611
2247 * c-opts.c (c_common_post_options): Enable -Wcomma-subscript by
2248 default for C++23 regardless of warn_deprecated.
2249 * c-cppbuiltin.c (c_cpp_builtins): Predefine
2250 __cpp_multidimensional_subscript=202110L for C++23.
2251
e1d43592
GA		 22522021-11-23 Martin Sebor <msebor@redhat.com>
2253
2254 PR middle-end/88232
2255 * c.opt: Add -Winfinite-recursion.
2256
9c077398
GA		 22572021-11-19 Martin Sebor <msebor@redhat.com>
2258
2259 PR c++/33925
2260 PR c/102867
2261 * c-common.c (decl_with_nonnull_addr_p): Call maybe_nonzero_address
2262 and improve handling tof defined symbols.
2263
22642021-11-19 Martin Liska <mliska@suse.cz>
2265
2266 Revert:
2267 2021-11-18 Martin Liska <mliska@suse.cz>
2268
2269 * c-gimplify.c (genericize_c_loop): Use option directly.
2270
483092d3
GA		 22712021-11-18 Matthias Kretz <m.kretz@gsi.de>
2272
2273 * c-common.c (c_common_reswords): Add __builtin_assoc_barrier.
2274 * c-common.h (enum rid): Add RID_BUILTIN_ASSOC_BARRIER.
2275
22762021-11-18 Martin Liska <mliska@suse.cz>
2277
2278 * c-gimplify.c (genericize_c_loop): Use option directly.
2279
280d2838
GA		 22802021-11-17 Martin Uecker <uecker@gcc.gnu.org>
2281
2282 PR c/91038
2283 PR c/29970
2284 * c-common.c (pointer_int_sum): Make sure pointer expressions
2285 are evaluated first when the size expression depends on for
2286 variably-modified types.
2287
22882021-11-17 Marek Polacek <polacek@redhat.com>
2289
2290 PR preprocessor/103026
2291 * c.opt (Wbidi-chars, Wbidi-chars=): New option.
2292
6b1695f4
GA		 22932021-11-16 Jason Merrill <jason@redhat.com>
2294
2295 * c-common.c (release_tree_vector): Only cache vecs smaller than
2296 16 elements.
2297
e2b57363
GA		 22982021-11-15 Jason Merrill <jason@redhat.com>
2299
2300 * c.opt: Add -fimplicit-constexpr.
2301 * c-cppbuiltin.c: Define __cpp_implicit_constexpr.
2302 * c-opts.c (c_common_post_options): Disable below C++14.
2303
23042021-11-15 Jakub Jelinek <jakub@redhat.com>
2305
2306 * c-omp.c (c_omp_split_clauses) <case OMP_CLAUSE_THREAD_LIMIT>:
2307 Duplicate to both OMP_TARGET and OMP_TEAMS.
2308
8d36a0d2
GA		 23092021-11-10 Marek Polacek <polacek@redhat.com>
2310
2311 PR c++/101940
2312 * c-pragma.c (handle_pragma_diagnostic): Handle #pragma GCC diagnostic
2313 ignored_attributes.
2314
c9b1334e
GA		 23152021-11-09 David Malcolm <dmalcolm@redhat.com>
2316
2317 * c-pragma.c (GCC_BAD_AT): New macro.
2318 (GCC_BAD2_AT): New macro.
2319 (handle_pragma_pack): Use the location of the pertinent token when
2320 issuing diagnostics about invalid constants/actions, and trailing
2321 junk.
2322 (handle_pragma_target): Likewise for non-string "GCC option".
2323 (handle_pragma_message): Likewise for trailing junk.
2324
18ae471f
GA		 23252021-11-03 Joseph Myers <joseph@codesourcery.com>
2326
2327 PR c/103031
2328 * c-common.c (convert_and_check): Add argument init_const. Call
2329 convert_init if init_const.
2330 * c-common.h (convert_and_check): Update prototype.
2331 (convert_init): New prototype.
2332
cf82e8d9
GA		 23332021-11-01 David Malcolm <dmalcolm@redhat.com>
2334
2335 * c-lex.c (c_lex_with_flags): When complaining about non-printable
2336 CPP_OTHER tokens, set the "escape on output" flag.
2337
04a2cf3f
GA		 23382021-10-27 Jakub Jelinek <jakub@redhat.com>
2339
2340 * c-omp.c (c_omp_check_loop_iv_r): Don't clear 3rd bit for
2341 POINTER_PLUS_EXPR.
2342 (c_omp_check_nonrect_loop_iv): Handle POINTER_PLUS_EXPR.
2343 (c_omp_check_loop_iv): Set kind even if the iterator is non-integral.
2344
23452021-10-27 Jakub Jelinek <jakub@redhat.com>
2346
2347 PR c++/102854
2348 * c-common.h (c_omp_check_loop_iv_exprs): Add enum tree_code argument.
2349 * c-omp.c (c_omp_check_loop_iv_r): For trees other than decls,
2350 TREE_VEC, PLUS_EXPR, MINUS_EXPR, MULT_EXPR, POINTER_PLUS_EXPR or
2351 conversions temporarily clear the 3rd bit from d->kind while walking
2352 subtrees.
2353 (c_omp_check_loop_iv_exprs): Add CODE argument. Or in 4 into data.kind
2354 if possibly non-rectangular.
2355
ae5c5406
GA		 23562021-10-21 Jakub Jelinek <jakub@redhat.com>
2357
2358 PR middle-end/64888
2359 * c-omp.c (c_omp_predefined_variable): Return true also for
2360 ubsan_create_data created artificial variables.
2361
5d5885c9
GA		 23622021-10-14 Joseph Myers <joseph@codesourcery.com>
2363
2364 * c-format.c (printf_length_specs, scanf_length_specs)
2365 (print_char_table, scan_char_table): Support DFP formats for C2X.
2366 * c-format.h (TEX_D32, TEX_D64, TEX_D128): Remove.
2367 (T2X_D32, T2X_D64, T2X_D128): New macros.
2368
23692021-10-14 Kwok Cheung Yeung <kcy@codesourcery.com>
2370
2371 * c-omp.c (c_omp_check_context_selector): Rename to
2372 omp_check_context_selector and move to omp-general.c.
2373 (c_omp_mark_declare_variant): Rename to omp_mark_declare_variant and
2374 move to omp-general.c.
2375
52055987
GA		 23762021-10-12 Joseph Myers <joseph@codesourcery.com>
2377
2378 * c-format.c (print_char_table): Add %b and %B formats.
2379 (scan_char_table): Add %b format.
2380 * c-format.h (T2X_UI, T2X_UL, T2X_ULL, T2X_US, T2X_UC, T2X_ST)
2381 (T2X_UPD, T2X_UIM): New macros.
2382
23832021-10-12 Jakub Jelinek <jakub@redhat.com>
2384
2385 * c-omp.c (c_finish_omp_atomic): Use
2386 clear_padding_type_may_have_padding_p.
2387
ce6eec39
GA		 23882021-10-08 Martin Liska <mliska@suse.cz>
2389
2390 * c-opts.c (c_common_post_options): Use new macro
2391 OPTION_SET_P.
2392
50e20ee6
GA		 23932021-10-07 Martin Liska <mliska@suse.cz>
2394
2395 * c-common.c (parse_optimize_options): Make
2396 save_opt_decoded_options a pointer type.
2397
57c7ec62
GA		 23982021-10-06 Jakub Jelinek <jakub@redhat.com>
2399
2400 PR tree-optimization/102571
2401 * c-omp.c (c_finish_omp_atomic): Optimize the case where type has
2402 padding, but the non-padding bits are contiguous set of bytes
2403 by adjusting the memcmp call arguments instead of emitting
2404 __builtin_clear_padding and then comparing all the type's bytes.
2405
24062021-10-06 Jakub Jelinek <jakub@redhat.com>
2407
2408 PR c++/102612
2409 * c-cppbuiltin.c (c_cpp_builtins): For -std=c++23 predefine
2410 __cpp_constexpr to 202110L rather than 201907L.
2411
da9c5f78
GA		 24122021-10-04 Marek Polacek <polacek@redhat.com>
2413
2414 PR c++/97573
2415 * c-common.h (do_warn_array_compare): Declare.
2416 * c-warn.c (do_warn_array_compare): New.
2417 * c.opt (Warray-compare): New option.
2418
e3e07b89
GA		 24192021-10-02 Iain Sandoe <iain@sandoe.co.uk>
2420
2421 * c-format.c: Remove a test of TARGET_FORMAT_TYPES with
2422 NULL, this is not needed.
2423
9d116bcc
GA		 24242021-10-01 Martin Sebor <msebor@redhat.com>
2425
2426 PR c/102103
2427 * c-common.c (decl_with_nonnull_addr_p): Handle members.
2428 Check and perform warning suppression.
2429 (c_common_truthvalue_conversion): Enhance warning suppression.
2430
24312021-10-01 Martin Liska <mliska@suse.cz>
2432
2433 PR target/102552
2434 * c-common.c (parse_optimize_options): decoded_options[0] is
3d3b561f
ML		 2435 used for program name, so merged_decoded_options should also
2436 respect that.
9d116bcc
GA		 2437
24382021-10-01 Jakub Jelinek <jakub@redhat.com>
2439 Richard Biener <rguenther@suse.de>
2440
2441 PR sanitizer/102515
2442 * c-ubsan.c (ubsan_instrument_division): Check the right
2443 flag_sanitize_recover bit, depending on which sanitization
2444 is done. Sanitize INT_MIN / -1 under SANITIZE_SI_OVERFLOW
2445 rather than SANITIZE_DIVIDE. If both SANITIZE_SI_OVERFLOW
2446 and SANITIZE_DIVIDE is enabled, neither check is known
2447 to be false and flag_sanitize_recover bits for those two
2448 aren't the same, emit both __ubsan_handle_divrem_overflow
2449 and __ubsan_handle_divrem_overflow_abort calls.
2450
24512021-10-01 Martin Liska <mliska@suse.cz>
2452
2453 * c-common.c (parse_optimize_options): Combine optimize
2454 options with what was provided on the command line.
2455
24562021-10-01 Jakub Jelinek <jakub@redhat.com>
2457
2458 * c-omp.c (c_omp_split_clauses): Also copy
2459 OMP_CLAUSE_ORDER_REPRODUCIBLE.
2460
cf966403
GA		 24612021-09-27 Martin Liska <mliska@suse.cz>
2462
2463 * c-opts.c (c_common_init_options_struct): Set also
3d3b561f 2464 x_flag_default_complex_method.
cf966403 2465
e4777439
GA		 24662021-09-22 Jakub Jelinek <jakub@redhat.com>
2467
2468 * c-omp.c (c_omp_split_clauses): Copy over OMP_CLAUSE_ALLOCATE_ALIGN.
2469
62498024
GA		 24702021-09-20 Matthias Kretz <m.kretz@gsi.de>
2471
2472 * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Define or
2473 undefine __RECIPROCAL_MATH__, __NO_SIGNED_ZEROS__,
2474 __NO_TRAPPING_MATH__, __ASSOCIATIVE_MATH__, and
2475 __ROUNDING_MATH__ according to the new optimization flags.
2476
cf74e7b5
GA		 24772021-09-18 Jakub Jelinek <jakub@redhat.com>
2478
2479 * c-omp.c (c_omp_split_clauses): Split order clause also to
2480 distribute construct. Copy over OMP_CLAUSE_ORDER_UNCONSTRAINED.
2481
0a4cb439
GA		 24822021-09-17 Jakub Jelinek <jakub@redhat.com>
2483
2484 * c-omp.c (c_finish_omp_atomic): Avoid creating
2485 TARGET_EXPR if test is true, use create_tmp_var_raw instead of
2486 create_tmp_var and add a zero initializer to TARGET_EXPRs that
2487 had NULL initializer. When omitting operands after v = x,
2488 use type of v rather than type of x. Fix type of vtmp
2489 TARGET_EXPR.
2490
07985c47
GA		 24912021-09-13 Jason Merrill <jason@redhat.com>
2492
2493 * c.opt: Add -Winterference-size.
2494 * c-cppbuiltin.c (cpp_atomic_builtins): Add __GCC_DESTRUCTIVE_SIZE
2495 and __GCC_CONSTRUCTIVE_SIZE.
2496
a26206ec
GA		 24972021-09-10 Jakub Jelinek <jakub@redhat.com>
2498
2499 * c-common.h (c_finish_omp_atomic): Add r and weak arguments.
2500 * c-omp.c: Include gimple-fold.h.
2501 (c_finish_omp_atomic): Add r and weak arguments. Add support for
2502 OpenMP 5.1 atomics.
2503
f84e2f0b
GA		 25042021-09-09 qing zhao <qing.zhao@oracle.com>
2505
2506 * c-attribs.c (handle_uninitialized_attribute): New function.
2507 (c_common_attribute_table): Add "uninitialized" attribute.
2508
b6db7cd4
GA		 25092021-09-08 liuhongt <hongtao.liu@intel.com>
2510
2511 * c-common.c (excess_precision_mode_join): Update below comments.
2512 (c_ts18661_flt_eval_method): Set excess_precision_type to
2513 EXCESS_PRECISION_TYPE_FLOAT16 when -fexcess-precision=16.
2514 * c-cppbuiltin.c (cpp_atomic_builtins): Update below comments.
2515 (c_cpp_flt_eval_method_iec_559): Set excess_precision_type to
2516 EXCESS_PRECISION_TYPE_FLOAT16 when -fexcess-precision=16.
2517
b2748138
GA		 25182021-09-07 Marcel Vollweiler <marcel@codesourcery.com>
2519
2520 * c-omp.c (c_finish_omp_flush): Handle MEMMODEL_SEQ_CST.
2521
7b739540
GA		 25222021-09-03 Eric Botcazou <ebotcazou@adacore.com>
2523
2524 * c-ada-spec.c (dump_ads): Generate pragmas to disable style checks
2525 and -gnatwu warning for the package specification.
2526
e11c6046
GA		 25272021-09-01 Iain Sandoe <iain@sandoe.co.uk>
2528
2529 * c-attribs.c (handle_unavailable_attribute): New.
2530
1e2f030b
GA		 25312021-08-30 Jason Merrill <jason@redhat.com>
2532
2533 * c.opt: Add -Wmissing-requires.
2534
85d77ac4
GA		 25352021-08-25 Lewis Hyatt <lhyatt@gmail.com>
2536
2537 PR other/93067
2538 * c-opts.c (c_common_input_charset_cb): New function.
2539 (c_common_post_options): Call new function
2540 diagnostic_initialize_input_context().
2541
7c9e1645
GA		 25422021-08-20 Tobias Burnus <tobias@codesourcery.com>
2543
2544 * c-format.c (gcc_gfc_length_specs): Add 'll' and 'w'.
2545 (gcc_gfc_char_table): Add T9L_LL and T9L_ULL to
2546 "di" and "u", respecitively; fill with BADLEN to match
2547 size of 'types'.
2548 (get_init_dynamic_hwi): Split off from ...
2549 (init_dynamic_diag_info): ... here. Call it.
2550 (init_dynamic_gfc_info): Call it.
2551
25522021-08-20 Jakub Jelinek <jakub@redhat.com>
2553
2554 * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ERROR.
2555 * c-pragma.c (omp_pragmas): Add error directive.
2556 * c-omp.c (omp_directives): Uncomment error directive entry.
2557
6e529985
GA		 25582021-08-18 Jakub Jelinek <jakub@redhat.com>
2559
2560 * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_NOTHING.
2561 * c-pragma.c (omp_pragmas): Add nothing directive.
2562 * c-omp.c (omp_directives): Uncomment nothing directive entry.
2563
2d14d64b
GA		 25642021-08-17 Jakub Jelinek <jakub@redhat.com>
2565
2566 PR c++/101539
2567 * c-common.h (enum rid): Add RID_IS_LAYOUT_COMPATIBLE.
2568 * c-common.c (c_common_reswords): Add __is_layout_compatible.
2569
25702021-08-17 Matt Jacobson <mhjacobson@me.com>
2571
2572 * c-opts.c (c_common_post_options): Default to
2573 flag_objc_sjlj_exceptions = 1 only when flag_objc_abi < 2.
2574
25752021-08-17 Jakub Jelinek <jakub@redhat.com>
2576
2577 * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_SCOPE.
2578 * c-pragma.c (omp_pragmas): Add scope construct.
2579 * c-omp.c (omp_directives): Uncomment scope directive entry.
2580
9d1d9fc8
GA		 25812021-08-16 Sebastian Huber <sebastian.huber@embedded-brains.de>
2582
2583 * c-cppbuiltin.c (c_cpp_builtins): Define
2584 __LIBGCC_GCOV_TYPE_SIZE if flag_building_libgcc is true.
2585
72be20e2
GA		 25862021-08-12 Jakub Jelinek <jakub@redhat.com>
2587
2588 * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_MASKED.
2589 (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_FILTER.
2590 * c-pragma.c (omp_pragmas_simd): Add masked construct.
2591 * c-common.h (enum c_omp_clause_split): Add C_OMP_CLAUSE_SPLIT_MASKED
2592 enumerator.
2593 (c_finish_omp_masked): Declare.
2594 * c-omp.c (c_finish_omp_masked): New function.
2595 (c_omp_split_clauses): Handle combined masked constructs.
2596
4d17ca1b
GA		 25972021-07-30 Jakub Jelinek <jakub@redhat.com>
2598
2599 PR c++/101539
2600 * c-common.h (enum rid): Add RID_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
2601 * c-common.c (c_common_reswords): Add
2602 __is_pointer_interconvertible_base_of.
2603
26042021-07-29 Richard Biener <rguenther@suse.de>
2605
2606 PR c/101512
2607 * c-common.c (c_common_mark_addressable_vec): Look through
2608 C_MAYBE_CONST_EXPR even if not at the toplevel.
2609
af3f12e6
GA		 26102021-07-27 Martin Sebor <msebor@redhat.com>
2611
2612 PR c/101585
2613 * c-warn.c (warn_parm_ptrarray_mismatch): Use OEP_DECL_NAME.
2614
ead235f6
GA		 26152021-07-23 Jakub Jelinek <jakub@redhat.com>
2616
2617 * c-lex.c (c_common_has_attribute): Call canonicalize_attr_name also
2618 on attr_id. Return 1 for omp::directive or omp::sequence in C++11
2619 and later.
2620
26212021-07-23 Jakub Jelinek <jakub@redhat.com>
2622
2623 * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP__START_ and
2624 PRAGMA_OMP__LAST_ enumerators.
2625
419c6c68
GA		 26262021-07-21 Thomas Schwinge <thomas@codesourcery.com>
2627 Joseph Myers <joseph@codesourcery.com>
2628 Cesar Philippidis <cesar@codesourcery.com>
2629
2630 * c-pragma.h (pragma_omp_clause): Add 'PRAGMA_OACC_CLAUSE_NOHOST'.
2631
92d45509
GA		 26322021-07-20 Martin Sebor <msebor@redhat.com>
2633
2634 * c-common.c (c_build_shufflevector): Adjust by-value argument to
2635 by-const-reference.
2636 * c-common.h (c_build_shufflevector): Same.
2637
87277b6a
GA		 26382021-07-16 Andrew Pinski <apinski@marvell.com>
2639
2640 PR c/101453
2641 * c-common.c (parse_optimize_options): Use the correct
2642 size for buffer.
2643
d97d71a1
GA		 26442021-07-15 Martin Sebor <msebor@redhat.com>
2645
2646 PR c/101289
2647 PR c/97548
2648 * c-warn.c (warn_parm_array_mismatch): Use OEP_DECL_NAME.
2649
c4fee1c6
GA		 26502021-07-14 Jason Merrill <jason@redhat.com>
2651
2652 * c-opts.c (c_common_post_options): Set -fdelete-dead-exceptions.
2653
6fba0eea
GA		 26542021-07-06 Martin Sebor <msebor@redhat.com>
2655
2656 * c-format.c (gcc_tdiag_char_table): Remove support for %G and %K.
3d3b561f
ML		 2657 (gcc_cdiag_char_table): Same.
2658 (gcc_cxxdiag_char_table): Same.
6fba0eea 2659
7a60a6e8
GA		 26602021-07-02 Jakub Jelinek <jakub@redhat.com>
2661
2662 * c-common.h (enum c_omp_directive_kind): New enum.
2663 (struct c_omp_directive): New type.
2664 (c_omp_categorize_directive): Declare.
2665 * c-omp.c (omp_directives): New variable.
2666 (c_omp_categorize_directive): New function.
2667
bea7c16a
GA		 26682021-07-01 Eric Botcazou <ebotcazou@adacore.com>
2669
2670 * c-ada-spec.c (packed_layout): New global variable.
2671 (dump_ada_declaration): Set it upon seeing a packed record type.
2672 Do not put the "aliased" keyword if it is set.
2673 (dump_ada_structure): Add Pack aspect if it is set and clear it.
2674
26752021-07-01 Eric Botcazou <ebotcazou@adacore.com>
2676
2677 * c-ada-spec.c (check_name): Rename into...
2678 (check_type_name_conflict): ...this. Minor tweak.
2679 (dump_ada_function_declaration): Adjust to above renaming.
2680 (dump_ada_array_domains): Fix oversight.
2681 (dump_ada_declaration): Call check_type_name_conflict for variables.
2682
90708f87
GA		 26832021-06-25 Martin Sebor <msebor@redhat.com>
2684
2685 * c-common.c (c_wrap_maybe_const): Remove TREE_NO_WARNING.
2686 (c_common_truthvalue_conversion): Replace direct uses of
2687 TREE_NO_WARNING with warning_suppressed_p, suppress_warning, and
2688 copy_no_warning.
2689 (check_function_arguments_recurse): Same.
2690 * c-gimplify.c (c_gimplify_expr): Same.
2691 * c-warn.c (overflow_warning): Same.
2692 (warn_logical_operator): Same.
2693 (warn_if_unused_value): Same.
2694 (do_warn_unused_parameter): Same.
2695
9aa8327e
GA		 26962021-06-24 Jakub Jelinek <jakub@redhat.com>
2697
2698 * c-common.h (enum c_omp_region_type): Add C_ORT_TARGET and
2699 C_ORT_OMP_TARGET.
2700 * c-omp.c (c_omp_split_clauses): For OMP_CLAUSE_IN_REDUCTION on
2701 combined target constructs also add map (always, tofrom:) clause.
2702
ede6c356
GA		 27032021-06-15 Robin Dapp <rdapp@linux.ibm.com>
2704
2705 * c-attribs.c (common_handle_aligned_attribute): Remove short
2706 circuit and dead code.
2707
8dc48181
GA		 27082021-06-14 Jonathan Wakely <jwakely@redhat.com>
2709
2710 PR c++/101052
2711 * known-headers.cc (get_stdlib_header_for_name): Add known
2712 headers for EXIT_FAILURE, EXIT_SUCCESS, abort, atexit, calloc,
2713 exit, and getenv.
2714
8b8c3912
GA		 27152021-06-12 Jason Merrill <jason@redhat.com>
2716
2717 * c-attribs.c (handle_unused_attribute): Handle FIELD_DECL.
2718
f16f65f8
GA		 27192021-06-11 Jakub Jelinek <jakub@redhat.com>
2720
2721 PR c++/100974
2722 * c-cppbuiltin.c (c_cpp_builtins): Predefine __cpp_if_consteval for
2723 -std=c++2b for P1938R3 consteval if support.
2724
4f625f47
GA		 27252021-06-09 Jason Merrill <jason@redhat.com>
2726
2727 PR c++/100879
2728 * c-warn.c (warn_for_sign_compare): Remove C++ enum mismatch
2729 warning.
2730
438aac59
GA		 27312021-06-07 Martin Liska <mliska@suse.cz>
2732
2733 * c-target.def: Split long lines and replace them
2734 with '\n\'.
2735
600f90cb
GA		 27362021-06-04 Martin Sebor <msebor@redhat.com>
2737
2738 PR c/100783
2739 * c-attribs.c (positional_argument): Bail on erroneous types.
2740
27412021-06-04 Martin Sebor <msebor@redhat.com>
2742
2743 * c-warn.c (warn_parm_array_mismatch): Check TREE_PURPOSE to test
2744 for element presence.
2745
440c8a0a
GA		 27462021-06-03 Eric Botcazou <ebotcazou@adacore.com>
2747
2748 * c-ada-spec.c (dump_ada_macros): Minor tweaks.
2749 (dump_ada_decl_name): Likewise.
2750 (dump_anonymous_type_name): Remove parent parameter and adjust.
2751 (dump_sloc): Minor tweak.
2752 (dump_ada_array_type): Remove type parameter and adjust.
2753 (dump_ada_enum_type): Remove parent parameter and adjust.
2754 (dump_ada_node): Adjust calls to above functions.
2755 (dumped_anonymous_types): New global variable.
2756 (dump_nested_types_1): Rename into...
2757 (dump_nested_types): ...this.
2758 (dump_nested_type): Remove parent and dumped_types parameters.
2759 <ARRAY_TYPE>: Replace dumped_types with dumped_anonymous_types.
2760 Adjust calls to dump_anonymous_type_name and dump_ada_array_type.
2761 (dump_ada_specs): Initialize and free dumped_anonymous_types.
2762
27632021-06-03 Eric Botcazou <ebotcazou@adacore.com>
2764
2765 * c-ada-spec.c (pp_ada_tree_identifier): Tidy up.
2766 (dump_ada_node) <POINTER_TYPE>: Deal specially with external subtypes.
2767
27682021-06-03 Eric Botcazou <ebotcazou@adacore.com>
2769
2770 * c-ada-spec.c (dump_ada_enum_type): Dump a prefix for constants.
2771 (htable_t): New typedef.
2772 (overloaded_names): Use it.
2773 (add_name): New function.
2774 (init_overloaded_names): Use add_name to populate the table and add
2775 special cases for sigaction and stat.
2776 (overloaded_name_p): Rename into...
2777 (overloading_index): ...this. Do not initialize overloaded_names table
2778 here. Return the index or zero.
2779 (dump_ada_declaration): Minor tweaks. Do not skip overloaded functions
2780 but add an overloading suffix instead.
2781 (dump_ada_specs): Initialize overloaded_names tables here.
2782
b75978d1
GA		 27832021-06-01 Martin Liska <mliska@suse.cz>
2784
2785 PR other/100759
2786 * c-attribs.c (handle_optimize_attribute): Limit sanity check
2787 to a situation where we are not in processing of an optimize
2788 pragma.
2789 * c-pragma.c (handle_pragma_pop_options): Restore target
2790 options.
2791
ee682192
GA		 27922021-05-31 Indu Bhagat <indu.bhagat@oracle.com>
2793
2794 PR testsuite/100749
2795 * c-pch.c (c_common_valid_pch): Use xstrdup for debug format set names.
2796
27972021-05-31 Richard Biener <rguenther@suse.de>
2798
2799 PR c++/88601
2800 * c-common.c: Include tree-vector-builder.h and
2801 vec-perm-indices.h.
2802 (c_common_reswords): Add __builtin_shufflevector.
2803 (c_build_shufflevector): New funtion.
2804 * c-common.h (enum rid): Add RID_BUILTIN_SHUFFLEVECTOR.
2805 (c_build_shufflevector): Declare.
2806
48166757
GA		 28072021-05-28 Jakub Jelinek <jakub@redhat.com>
2808
2809 PR middle-end/99928
2810 * c-omp.c (c_omp_split_clauses): For reduction clause if combined with
2811 target add a map tofrom clause with OMP_CLAUSE_MAP_IMPLICIT.
2812
28132021-05-28 Tobias Burnus <tobias@codesourcery.com>
2814
2815 * c-pragma.h (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_AFFINITY.
2816
2bc6dace
GA		 28172021-05-25 Martin Liska <mliska@suse.cz>
2818
2819 PR tree-optimization/92860
2820 PR target/99592
2821 * c-attribs.c (handle_optimize_attribute): Save target node
2822 before calling parse_optimize_options and save it in case
2823 it changes.
2824 * c-pragma.c (handle_pragma_target): Similarly for pragma.
2825 (handle_pragma_pop_options): Likewise here.
2826
28272021-05-25 Martin Liska <mliska@suse.cz>
2828
2829 * c-attribs.c (handle_no_sanitize_coverage_attribute): New.
2830
28312021-05-25 Jakub Jelinek <jakub@redhat.com>
2832
2833 PR middle-end/99928
2834 * c-omp.c (c_omp_split_clauses): Copy reduction to teams when teams is
2835 combined with simd and not with taskloop or for.
2836
2832d51b
GA		 28372021-05-21 Jakub Jelinek <jakub@redhat.com>
2838
2839 PR middle-end/99928
2840 * c-omp.c (c_omp_split_clauses): Set OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT
2841 on firstprivate clause copy going to target construct, and for
2842 target simd set also OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET bit.
2843
ea34e2ed
GA		 28442021-05-20 Jonathan Wakely <jwakely@redhat.com>
2845
2846 * c.opt (Wc++11-extensions, Wc++14-extensions)
2847 (Wc++17-extensions, Wc++20-extensions, Wc++23-extensions): New
2848 options.
2849
28502021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
2851
2852 * c-lex.c (init_c_lex): Use dwarf_debuginfo_p.
2853
28542021-05-20 Indu Bhagat <indu.bhagat@oracle.com>
2855
2856 * c-opts.c (c_common_post_options): Adjust access to debug_type_names.
2857 * c-pch.c (struct c_pch_validity): Use type uint32_t.
2858 (pch_init): Renamed member.
2859 (c_common_valid_pch): Adjust access to debug_type_names.
2860
65f32e5d
GA		 28612021-05-19 Martin Sebor <msebor@redhat.com>
2862
2863 PR c/100619
2864 * c-attribs.c (build_attr_access_from_parms): Handle arbitrarily many
2865 bounds.
2866
a8daf9a1
GA		 28672021-05-18 Richard Biener <rguenther@suse.de>
2868
2869 PR c/100547
2870 * c-attribs.c (type_valid_for_vector_size): Reject too large nunits.
2871 Reword existing nunit diagnostic.
2872
a7ffc1ef
GA		 28732021-05-17 Joern Rennecke <joern.rennecke@embecosm.com>
2874
2875 * c-common.c (braced_list_to_string): Return CTOR unchanged
2876 if host and target character sizes don't match.
2877
87a7d10c
GA		 28782021-05-14 Martin Liska <mliska@suse.cz>
2879
2880 * c.opt: Add Warning keyword for 2 options.
2881
f9af11c7
GA		 28822021-05-13 Martin Liska <mliska@suse.cz>
2883
2884 PR middle-end/100504
2885 * c-attribs.c (handle_target_clones_attribute): Expect a string
2886 argument to target_clone argument.
2887
037e3661
GA		 28882021-05-11 Joseph Myers <joseph@codesourcery.com>
2889
2890 * c-lex.c (interpret_float): Handle digit separators for C2X.
2891
aa891c56
GA		 28922021-05-10 Martin Liska <mliska@suse.cz>
2893
2894 * c-ada-spec.c (print_destructor): Use startswith
2895 function instead of strncmp.
2896 (dump_ada_declaration): Likewise.
2897 * c-common.c (disable_builtin_function): Likewise.
2898 (def_builtin_1): Likewise.
2899 * c-format.c (check_tokens): Likewise.
2900 (check_plain): Likewise.
2901 (convert_format_name_to_system_name): Likewise.
2902
e4ff4ffb
GA		 29032021-04-28 Patrick McGehearty <patrick.mcgehearty@oracle.com>
2904
2905 * c-cppbuiltin.c (c_cpp_builtins): Add supporting macros for new
2906 complex divide
2907
c0fa3f2f
GA		 29082021-04-26 Thomas Schwinge <thomas@codesourcery.com>
2909 Nathan Sidwell <nathan@codesourcery.com>
2910 Tom de Vries <vries@codesourcery.com>
2911 Julian Brown <julian@codesourcery.com>
2912 Kwok Cheung Yeung <kcy@codesourcery.com>
2913
2914 * c.opt (Wopenacc-parallelism): New.
2915
6e81e015
GA		 29162021-04-19 Thomas Schwinge <thomas@codesourcery.com>
2917
2918 * c.opt (fopenacc-kernels=): Remove.
2919
019a9220
GA		 29202021-04-08 Jakub Jelinek <jakub@redhat.com>
2921
2922 * c-warn.c (do_warn_double_promotion): Fix comment typo,
2923 occured -> occurred.
2924 (check_alignment_of_packed_member): Fix a comment typo,
2925 memeber -> member.
2926 (warn_parm_ptrarray_mismatch): Fix comment typos, os -> of
2927 and onless -> unless.
2928 (warn_parm_array_mismatch): Fix comment typos, declaratation
2929 -> declaration and woud -> would. Fix up comment indentation.
2930
29312021-04-08 Martin Sebor <msebor@redhat.com>
2932
2933 PR middle-end/99883
2934 * c.opt (Wmismatched-new-delete): Correct spelling.
2935
b1da9916
GA		 29362021-04-05 Eric Botcazou <ebotcazou@adacore.com>
2937
2938 * c-ada-spec.c (is_simple_enum): Minor tweaks.
2939 (dump_ada_enum_type): Add TYPE and PARENT parameters. For non-simple
2940 enumeral types use again the type name for the enumeration constants.
2941 (dump_ada_node): Adjust call to dump_ada_enum_type.
2942 (dump_nested_type): Likewise.
2943
f1607029
GA		 29442021-04-01 Jason Merrill <jason@redhat.com>
2945
2946 PR c++/98481
2947 * c-opts.c (c_common_post_options): Bump latest_abi_version.
2948
4493b1c1
GA		 29492021-03-25 Jakub Jelinek <jakub@redhat.com>
2950
2951 PR c++/99565
2952 * c-warn.c (do_warn_duplicated_branches): Pass also
2953 OEP_ADDRESS_OF_SAME_FIELD to operand_equal_p.
2954
6af7b307
GA		 29552021-03-20 Jakub Jelinek <jakub@redhat.com>
2956
2957 PR debug/99230
2958 * c-gimplify.c (c_genericize_control_stmt): Handle STATEMENT_LIST.
2959
ceae9533
GA		 29602021-03-05 Eric Botcazou <ebotcazou@adacore.com>
2961
2962 * c-ada-spec.c (dump_ada_declaration) <TYPE_DECL>: Dump nested types
2963 after entering the separate class package, if any.
2964
67f10d28
GA		 29652021-03-04 Richard Biener <rguenther@suse.de>
2966
2967 * c-pretty-print.c (c_pretty_printer::direct_abstract_declarator):
2968 Handle ERROR_MARK.
2969
29702021-03-04 Jakub Jelinek <jakub@redhat.com>
2971
2972 PR c/99325
2973 * c-ppoutput.c (print): Change src_line type from int to unsigned.
2974 (token_streamer::stream) Likewise.
2975 (maybe_print_line_1): Likewise. Don't strcmp src_file if src_loc is
2976 UNKNOWN_LOCATION.
2977
f3641ac7
GA		 29782021-03-03 Jakub Jelinek <jakub@redhat.com>
2979
2980 PR c/99324
2981 * c-common.c (build_va_arg): Call c_common_mark_addressable_vec
2982 instead of mark_addressable. Fix a comment typo -
2983 neutrallly -> neutrally.
2984
2c83c3fb
GA		 29852021-02-28 Jakub Jelinek <jakub@redhat.com>
2986
2987 PR c/99304
2988 * c-attribs.c (handle_malloc_attribute): Fix a typo in inform
2989 message - refernced -> referenced. Remove superfluous space before
2990 closing paren of function calls.
2991
daa68844
GA		 29922021-02-25 Nathan Sidwell <nathan@acm.org>
2993
2994 PR c++/99166
2995 * c.opt (-flang-info-module-cmi): Renamed option.
2996
50352c6c
GA		 29972021-02-19 Nathan Sidwell <nathan@acm.org>
2998
2999 * c.opt (flang-info-module-read, flang-info-module-read=): New.
3000
bf81237e
GA		 30012021-02-18 H.J. Lu <hjl.tools@gmail.com>
3002
3003 PR target/99113
3004 * c-attribs.c (c_common_attribute_table): Add the "retain"
3005 attribute.
3006 (handle_retain_attribute): New function.
3007
0e804ce3
GA		 30082021-02-16 Marek Polacek <polacek@redhat.com>
3009
3010 PR c++/99062
3011 * c-attribs.c (handle_assume_aligned_attribute): Check that the
3012 alignment argument is non-negative. Tweak a warning message.
3013
fab095da
GA		 30142021-02-12 Martin Sebor <msebor@redhat.com>
3015
3016 PR c/99055
3017 * c-warn.c (warn_parm_array_mismatch): Free strings returned from
3018 print_generic_expr_to_str.
3019
4b37c3ea
GA		 30202021-02-10 Richard Biener <rguenther@suse.de>
3021
3022 * c-common.c (parse_optimize_options): Free decoded_options.
3023
a19dd5e6
GA		 30242021-02-04 emsr <3dw4rd@verizon.net>
3025
3026 * c-cppbuiltin.c (c_cpp_builtins): __cpp_size_t_suffix=202011L.
3027
9faaa807
GA		 30282021-02-03 Ed Smith-Rowland <3dw4rd@verizon.net>
3029
3030 * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_size_t_suffix.
3031 * c-lex.c (interpret_integer): Set node type for size literal.
3032
85d04a2e
GA		 30332021-01-28 Jakub Jelinek <jakub@redhat.com>
3034
3035 * c.opt (-std=c++2a, -std=c++20, -std=gnu++2a, -std=gnu++20): Remove
3036 draft from description.
3037 (-std=c++2b): Fix a pasto, 2020 -> 2023.
3038
e62bb7f0
GA		 30392021-01-26 Paul Fee <paul.f.fee@gmail.com>
3040
3041 * c-common.h (cxx_dialect): Add cxx23 as a dialect.
3042 * c.opt: Add options for -std=c++23, std=c++2b, -std=gnu++23
3043 and -std=gnu++2b
3044 * c-opts.c (set_std_cxx23): New.
3045 (c_common_handle_option): Set options when -std=c++23 is enabled.
3046 (c_common_post_options): Adjust comments.
3047 (set_std_cxx20): Likewise.
3048
161e4c08
GA		 30492021-01-25 Martin Sebor <msebor@redhat.com>
3050
3051 PR c++/98646
3052 * c-common.c (check_nonnull_arg): Adjust warning text.
3053
4c9bcd5c
GA		 30542021-01-17 Martin Sebor <msebor@redhat.com>
3055
3056 * c-pretty-print.c (c_pretty_printer::primary_expression): Don't
3057 assume SSA_NAME_IDENTIFIER evaluates to nonzero.
3058
59cf67d1
GA		 30592021-01-16 Kwok Cheung Yeung <kcy@codesourcery.com>
3060
3061 * c-pragma.h (pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_DETACH.
3062 Redefine PRAGMA_OACC_CLAUSE_DETACH.
3063
2f7f0d32
GA		 30642021-01-15 Jakub Jelinek <jakub@redhat.com>
3065
3066 PR tree-optimization/98597
3067 * c-pretty-print.c: Include options.h.
3068 (c_fold_indirect_ref_for_warn): New function.
3069 (print_mem_ref): Use it. If it returns something that has compatible
3070 type and is TBAA compatible with zero offset, print it and return,
3071 otherwise print it using offsetof syntax or array ref syntax. Fix up
3072 printing if MEM_REFs first operand is ADDR_EXPR, or when the first
3073 argument has pointer to array type. Print pointers using the standard
3074 formatting.
3075
6851dda2
GA		 30762021-01-12 Martin Sebor <msebor@redhat.com>
3077
3078 PR c/98597
3079 PR c/98592
3080 * c-pretty-print.c (print_mem_ref): Avoid assuming MEM_REF operand
3081 has pointer type. Remove redundant code. Avoid calling
3082 gimple_canonical_types_compatible_p.
3083
7d187e4f
GA		 30842021-01-07 Martin Sebor <msebor@redhat.com>
3085
3086 PR middle-end/98578
3087 * c-pretty-print.c (print_mem_ref): Strip array from access type.
3088 Avoid assuming acces type's size is constant. Correct condition
3089 guarding the printing of a parenthesis.
3090
942ae5be
GA		 30912021-01-06 Martin Sebor <msebor@redhat.com>
3092
3093 PR c++/95768
3094 * c-pretty-print.c (c_pretty_printer::primary_expression): For
3095 SSA_NAMEs print VLA names and GIMPLE defining statements.
3096 (print_mem_ref): New function.
3097 (c_pretty_printer::unary_expression): Call it.
3098
30992021-01-06 Richard Biener <rguenther@suse.de>
3100
3101 PR tree-optimization/95582
3102 * c-attribs.c (c_common_attribute_table): Add entry for
3103 signed_bool_precision.
3104 (handle_signed_bool_precision_attribute): New.
3105
8daa719b
GA		 31062020-12-24 Iain Sandoe <iain@sandoe.co.uk>
3107
3108 * c.opt: Add -stdlib= option and enumerations for
3109 libstdc++ and libc++.
3110
eefe499f
GA		 31112020-12-16 Martin Liska <mliska@suse.cz>
3112
3113 * c.opt: Remove usage of Report.
3114
d52945ce
GA		 31152020-12-14 Martin Sebor <msebor@redhat.com>
3116
3117 PR middle-end/98166
3118 PR c++/57111
3119 PR middle-end/98160
3120 * c-attribs.c (maybe_add_noinline): New function.
3121 (handle_malloc_attribute): Call it. Use ATTR_FLAG_INTERNAL.
3122 Implicitly add attribute noinline to functions not declared inline
3123 and warn on those.
3124
ca2bd949
GA		 31252020-12-09 Tobias Burnus <tobias@codesourcery.com>
3126
3127 * c-pragma.c (omp_pragmas): Add 'allocate'.
3128 * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ALLOCATE.
3129
f6e8e279
GA		 31302020-12-08 Jakub Jelinek <jakub@redhat.com>
3131
3132 PR c++/98187
3133 * c-pragma.c (omp_pragmas): Remove "master".
3134 (omp_pragmas_simd): Add "master".
3135
bc8a7013
GA		 31362020-12-07 Marek Polacek <polacek@redhat.com>
3137
3138 PR c++/98126
3139 * c-common.c (verify_tree_lim_r): New function.
3140 (verify_sequence_points): Use it. Use nullptr instead of 0.
3141
b8dd0ef7
GA		 31422020-12-03 Martin Sebor <msebor@redhat.com>
3143
3144 PR c++/90629
3145 PR middle-end/94527
3146 * c-attribs.c (handle_dealloc_attribute): New function.
3147 (handle_malloc_attribute): Handle argument forms of attribute.
3148 * c.opt (-Wmismatched-dealloc): New option.
3149 (-Wmismatched-new-delete): New option.
3150
31512020-12-03 Jakub Jelinek <jakub@redhat.com>
3152
3153 PR libstdc++/93121
3154 * c-common.h (enum rid): Add RID_BUILTIN_BIT_CAST.
3155 * c-common.c (c_common_reswords): Add __builtin_bit_cast.
3156
e0f5e792
GA		 31572020-12-01 JeanHeyd Meneide <phdofthehouse@gmail.com>
3158
3159 * c-cppbuiltin.c (c_cpp_builtins): Add predefined
3160 {__GNUC_EXECUTION_CHARSET_NAME} and
3161 _WIDE_EXECUTION_CHARSET_NAME} macros.
3162
31632020-12-01 Nathan Sidwell <nathan@acm.org>
3164
3165 * c-common.c (module, import, export): New internal tokens (with
3166 trailing space).
3167 * c-common.h (RID__MODULE, RID__IMPORT & RID__EXPORT): Enumerate
3168 them.
3169 (D_CXX_MODULES, D_CXX_MODULES_FLAGS): Enable them.
3170 * c-cppbuiltin.c (c_cpp_builtins): Feature macro.
3171
31722020-12-01 Nathan Sidwell <nathan@acm.org>
3173
3174 * c-opts.c (c_common_init_options): Ask for module dependencies.
3175 (c_common_handle_option): Handle -Mmodules -Mno-modules.
3176 * c-pch.c (c_common_valid_pch): ... does not play with C++
3177 modules.
3178 * c.opt (Mmodules, Mno-modules): New preprocessor dependency
3179 options.
3180 (fmodules-ts, fmodule-header, fmodule-implicit-inline)
3181 (fmodule-only, fmodule-mapper, fmodule-lazy)
3182 (fmodule-version-ignore, Winvalid-imported-macros)
3183 (flang-info-include-translate, flang-info-include-translate-not):
3184 New options
3185
5fbf0ecb
GA		 31862020-11-28 Eric Botcazou <ebotcazou@adacore.com>
3187
3188 * c-ada-spec.c (dump_nested_type) <RECORD_TYPE>: Remove obsolete code.
3189 (dump_ada_structure): Also deal with convention, unchecked union and
3190 bit-field for nested types. In the latter case, print an Alignment
3191 aspect along with the Pack aspect.
3192
360258da
GA		 31932020-11-25 Martin Sebor <msebor@redhat.com>
3194
3195 PR bootstrap/94982
3196 * c-attribs.c (handle_patchable_function_entry_attribute): Avoid
3197 -Wformat-diag.
3198
1e2c9a27
GA		 31992020-11-24 Martin Sebor <msebor@redhat.com>
3200
3201 * c-warn.c (warn_parm_array_mismatch): Avoid invalid redeclarations.
3202
8e6198d0
GA		 32032020-11-23 Jozef Lawrynowicz <jozef.l@mittosystems.com>
3204
3205 * c-attribs.c (handle_special_var_sec_attribute): New.
3206 (handle_noinit_attribute): Remove.
3207 (attr_noinit_exclusions): Rename to...
3208 (attr_section_exclusions): ...this, and add "persistent" attribute
3209 exclusion.
3210 (c_common_attribute_table): Add "persistent" attribute.
3211
7a97e2fc
GA		 32122020-11-21 Aaron Sawdey <acsawdey@linux.ibm.com>
3213
3214 * c-pretty-print.c (c_pretty_printer::simple_type_specifier):
3215 Treat opaque types like other types.
3216 (c_pretty_printer::direct_abstract_declarator): Opaque types are
3217 supported types.
3218
82e5048e
GA		 32192020-11-20 Martin Sebor <msebor@redhat.com>
3220
3221 * c-warn.c (warn_parm_array_mismatch): Bail on invalid redeclarations
3222 with fewer arguments.
3223
32242020-11-20 Martin Sebor <msebor@redhat.com>
3225
3226 PR middle-end/97879
3227 * c-attribs.c (handle_access_attribute): Handle ATTR_FLAG_INTERNAL.
3228 Error out on invalid modes.
3229
32302020-11-20 Jakub Jelinek <jakub@redhat.com>
3231
3232 PR libstdc++/88101
3233 * c-common.c (check_builtin_function_arguments): Handle
3234 BUILT_IN_CLEAR_PADDING.
3235
25bb75f8
GA		 32362020-11-18 Nathan Sidwell <nathan@acm.org>
3237
3238 * c-lex.c (c_lex_with_flags): CPP_HEADER_NAMEs can now be seen.
3239
4dabb037
GA		 32402020-11-17 Nathan Sidwell <nathan@acm.org>
3241
3242 * c-common.h (enum c_tree_index): Reorder to place lazy fields
3243 after newly-added CTI_MODULE_HWM.
3244
32452020-11-17 Joseph Myers <joseph@codesourcery.com>
3246
3247 * c-cppbuiltin.c (builtin_define_float_constants): Define
3248 "*_IS_IEC_60559__" macros.
3249
32502020-11-17 Nathan Sidwell <nathan@acm.org>
3251
3252 * c-lex.c: #include "langhooks.h".
3253 (cb_undef): Maybe call preprocess_undef lang hook.
3254 * c-opts.c (c_common_post_options): Maybe call preprocess_options
3255 lang hook.
3256 (push_command_line_include): Maybe call preprocess_main_file lang
3257 hook.
3258 (cb_file_change): Likewise.
3259 * c-ppoutput.c: #include "langhooks.h.
3260 (scan_translation_unit): Maybe call preprocess_token lang hook.
3261 (class do_streamer): New, derive from token_streamer.
3262 (directives_only_cb): Data pointer is do_streamer, call
3263 preprocess_token lang hook.
3264 (scan_translation_unit_directives_only): Use do_streamer.
3265 (print_line_1): Move src_line recording to after string output.
3266 (cb_undef): Maybe call preprocess_undef lang hook.
3267
32682020-11-17 Nathan Sidwell <nathan@acm.org>
3269
3270 * c-ppoutput.c (scan_translation_unit): Use token_streamer, remove
3271 code duplicating that functionality.
3272
32732020-11-17 Jakub Jelinek <jakub@redhat.com>
3274
3275 PR c/90628
3276 * c-common.c (check_builtin_function_arguments)
3277 <case BUILT_IN_ADD_OVERFLOW>: Diagnose when last argument is pointer
3278 to _Atomic. For the TYPE_READONLY case, adjust message to be usable
3279 for more builtins and argument positions.
3280
29c5d9ce
GA		 32812020-11-16 Iain Sandoe <iain@sandoe.co.uk>
3282
3283 PR objc/97854
3284 * stub-objc.c: Include c-common.h to declare enum rid.
3285
77f67db2
GA		 32862020-11-13 Jakub Jelinek <jakub@redhat.com>
3287
3288 PR c++/63287
3289 * c-cppbuiltin.c: Include configargs.h.
3290 (c_cpp_builtins): For C++11 and later if THREAD_MODEL_SPEC is not
3291 defined, predefine __STDCPP_THREADS__ to 1 unless thread_model is
3292 "single".
3293
32942020-11-13 Gergö Barany <gergo@codesourcery.com>
3295 Thomas Schwinge <thomas@codesourcery.com>
3296
3297 * c.opt (fopenacc-kernels): Add.
3298
32992020-11-13 Jason Merrill <jason@redhat.com>
3300
3301 * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_using_enum.
3302
33032020-11-13 Piotr H. Dabrowski <phd@phd.re>
3304
3305 PR c++/91318
3306 * c-cppbuiltin.c: c_cpp_builtins_optimize_pragma(): use cpp_define_unused()
3307
33082020-11-13 Martin Liska <mliska@suse.cz>
3309
3310 * c-attribs.c (build_attr_access_from_parms): Format properly.
3311
33122020-11-13 Iain Sandoe <iain@sandoe.co.uk>
3313
3314 PR objc/90707
3315 * c-common.c (c_common_reswords): null_unspecified, nullable,
3316 nonnull, null_resettable: New keywords.
3317 * c-common.h (enum rid): RID_NULL_UNSPECIFIED, RID_NULLABLE,
3318 RID_NONNULL, RID_NULL_RESETTABLE: New.
3319 (OBJC_IS_PATTR_KEYWORD): Include nullability keywords in the
3320 ranges accepted for property attributes.
3321 * c-attribs.c (handle_objc_nullability_attribute): New.
3322 * c-objc.h (enum objc_property_attribute_group): Add
3323 OBJC_PROPATTR_GROUP_NULLABLE.
3324 (enum objc_property_attribute_kind):Add
3325 OBJC_PROPERTY_ATTR_NULL_UNSPECIFIED, OBJC_PROPERTY_ATTR_NULLABLE,
3326 OBJC_PROPERTY_ATTR_NONNULL, OBJC_PROPERTY_ATTR_NULL_RESETTABLE.
3327
33282020-11-13 Iain Sandoe <iain@sandoe.co.uk>
3329
3330 PR objc/77404
3331 * c-attribs.c (handle_objc_root_class_attribute): New
3332 * c-objc.h (objc_start_class_interface): Add a location
3333 value for the position of the class name.
3334 * c.opt: Add Wobjc-root-class.
3335 * stub-objc.c (objc_start_class_interface): Add a location
3336 value for the position of the class name.
3337
a5a11525
GA		 33382020-11-12 Joseph Myers <joseph@codesourcery.com>
3339
3340 * c-lex.c (c_common_has_attribute): Take argument std_syntax.
3341 Allow scope for C. Handle standard attributes for C. Do not
3342 accept unscoped attributes if std_syntax and not handled as
3343 standard attributes.
3344 * c-common.h (c_common_has_attribute): Update prototype.
3345
33462020-11-12 Nicholas Guriev <guriev-ns@ya.ru>
3347
3348 PR pch/86674
3349 * c-pch.c (c_common_valid_pch): Use cpp_warning with CPP_W_INVALID_PCH
3350 reason to fix -Werror=invalid-pch and -Wno-error=invalid-pch switches.
3351
0f5f9ed5
GA		 33522020-11-11 Patrick Palka <ppalka@redhat.com>
3353
3354 PR c++/88115
3355 * c-opts.c (c_common_post_options): Update latest_abi_version.
3356
bb622641
GA		 33572020-11-10 Jakub Jelinek <jakub@redhat.com>
3358
3359 PR c/97748
3360 * c-common.h (warn_if_unused_value): Add quiet argument defaulted
3361 to false.
3362 * c-warn.c (warn_if_unused_value): Likewise. Pass it down
3363 recursively and just return true instead of warning if it is true.
3364 Handle COMPLEX_EXPR.
3365
33662020-11-10 Chung-Lin Tang <cltang@codesourcery.com>
3367
3368 * c-common.h (c_omp_adjust_map_clauses): New declaration.
3369 * c-omp.c (struct map_clause): Helper type for c_omp_adjust_map_clauses.
3370 (c_omp_adjust_map_clauses): New function.
3371
2bee28dd
GA		 33722020-11-09 Marek Polacek <polacek@redhat.com>
3373
3374 DR 1914
3375 * c-common.c (attribute_fallthrough_p): Tweak the warning
3376 message.
3377
33782020-11-09 Patrick Palka <ppalka@redhat.com>
3379
3380 * c-pragma.c (handle_pragma_diagnostic): Split the
3381 unknown-option -Wpragmas diagnostic into a warning and a
3382 subsequent note containing a spelling suggestion. Avoid
3383 computing the suggestion if -Wpragmas warnings are being
3384 suppressed.
3385
33862020-11-09 Patrick Palka <ppalka@redhat.com>
3387
3388 PR testsuite/97117
3389 * c-indentation.c (get_visual_column): Remove location_t
3390 parameter. Move the column-tracking diagnostic code from here
3391 to ...
3392 (should_warn_for_misleading_indentation): ... here, before the
3393 early exit for when the loci are not all distinct. Don't pass a
3394 location_t argument to get_visual_column.
3395 (assert_get_visual_column_succeeds): Don't pass a location_t
3396 argument to get_visual_column.
3397 (assert_get_visual_column_fails): Likewise.
3398
fb95de7a
GA		 33992020-11-08 Iain Sandoe <iain@sandoe.co.uk>
3400
3401 * c-common.h (OBJC_IS_PATTR_KEYWORD): Add class to the list
3402 of keywords accepted in @property attribute contexts.
3403 * c-objc.h (enum objc_property_attribute_group): Add
3404 OBJC_PROPATTR_GROUP_CLASS.
3405 (enum objc_property_attribute_kind): Add
3406 OBJC_PROPERTY_ATTR_CLASS.
3407
2da7ee05
GA		 34082020-11-07 Iain Sandoe <iain@sandoe.co.uk>
3409
3410 * c-common.c (c_common_reswords): Add 'atomic' property
3411 attribute.
3412 * c-common.h (enum rid): Add RID_PROPATOMIC for atomic
3413 property attributes.
3414
34152020-11-07 Iain Sandoe <iain@sandoe.co.uk>
3416
3417 * c-attribs.c (handle_nsobject_attribute): New.
3418 * c.opt: Add WNSObject-attribute.
3419
44cab2d8
GA		 34202020-11-06 Iain Sandoe <iain@sandoe.co.uk>
3421
3422 * c-objc.h (enum objc_property_attribute_group): New
3423 (enum objc_property_attribute_kind): New.
3424 (OBJC_PROPATTR_GROUP_MASK): New.
3425 (struct property_attribute_info): Small class encapsulating
3426 parser output from property attributes.
3427 (objc_prop_attr_kind_for_rid): New
3428 (objc_add_property_declaration): Simplify interface.
3429 * stub-objc.c (enum rid): Dummy type.
3430 (objc_add_property_declaration): Simplify interface.
3431 (objc_prop_attr_kind_for_rid): New.
3432
34332020-11-06 Nathan Sidwell <nathan@acm.org>
3434
3435 * c-ada-spec.c (collect_ada_nodes): Rename
3436 DECL_IS_BUILTIN->DECL_IS_UNDECLARED_BUILTIN.
3437 (collect_ada_node): Likewise.
3438 (dump_forward_type): Likewise.
3439 * c-common.c (set_underlying_type): Rename
3440 DECL_IS_BUILTIN->DECL_IS_UNDECLARED_BUILTIN.
3441 (user_facing_original_type, c_common_finalize_early_debug): Likewise.
3442
34432020-11-06 Jakub Jelinek <jakub@redhat.com>
3444
3445 * c-common.c (verify_sequence_points): Remove DEBUG_FUNCTION.
3446
0cfd9109
GA		 34472020-11-05 Marek Polacek <polacek@redhat.com>
3448
3449 PR c++/97675
3450 * c.opt (Wexceptions): New option.
3451
34522020-11-05 Marek Polacek <polacek@redhat.com>
3453
3454 PR c++/25814
3455 * c.opt (Wvexing-parse): New option.
3456
35c125cb
GA		 34572020-11-04 Jakub Jelinek <jakub@redhat.com>
3458
3459 PR c++/97670
3460 * c-omp.c (c_omp_split_clauses): Look through array reductions to find
3461 underlying decl to clear in the allocate_head bitmap.
3462
34632020-11-04 Iain Sandoe <iain@sandoe.co.uk>
3464
3465 * c-objc.h (objc_non_constant_expr_p): New.
3466 * stub-objc.c (objc_non_constant_expr_p): New.
3467
fd2325ea
GA		 34682020-11-03 Nathan Sidwell <nathan@acm.org>
3469
3470 * c.opt (MQ,MT): Reword description to be make-agnostic.
3471
88ce3d5f
GA		 34722020-11-02 Nathan Sidwell <nathan@acm.org>
3473
3474 * c-opts.c (c_common_post_options): Move var decl to its
3475 initialization point.
3476
34772020-11-01 Iain Sandoe <iain@sandoe.co.uk>
3478
3479 * c-lex.c (c_lex_with_flags): When combining '@' with a
3480 keyword for Objective-C, combine the location ranges too.
3481
34822020-10-30 Qing Zhao <qing.zhao@oracle.com>
3483 H.J.Lu <hjl.tools@gmail.com>
3484
3485 * c-attribs.c (c_common_attribute_table): Add new attribute
3486 zero_call_used_regs.
3487 (handle_zero_call_used_regs_attribute): New function.
3488
e93aae4a
GA		 34892020-10-28 Marek Polacek <polacek@redhat.com>
3490
3491 PR c++/97573
3492 * c-opts.c (c_common_post_options): In C++20, turn on
3493 -Wdeprecated-enum-enum-conversion and
3494 -Wdeprecated-enum-float-conversion.
3495 * c.opt (Wdeprecated-enum-enum-conversion,
3496 Wdeprecated-enum-float-conversion): New options.
3497 (Wenum-conversion): Allow for C++ too.
3498
34992020-10-28 Jakub Jelinek <jakub@redhat.com>
3500
3501 * c-pragma.h (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_ALLOCATE.
3502 * c-omp.c: Include bitmap.h.
3503 (c_omp_split_clauses): Handle OMP_CLAUSE_ALLOCATE.
3504
f19e7c8d
GA		 35052020-10-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3506
3507 * c-common.c (__is_nothrow_assignable): New.
3508 (__is_nothrow_constructible): Likewise.
3509 * c-common.h (RID_IS_NOTHROW_ASSIGNABLE): New.
3510 (RID_IS_NOTHROW_CONSTRUCTIBLE): Likewise.
3511
efe71fcc
GA		 35122020-10-23 Jan Hubicka <hubicka@ucw.cz>
3513
3514 * c-common.c (c_common_finalize_early_debug): Update for new thunk api.
3515
35162020-10-23 Marek Polacek <polacek@redhat.com>
3517
3518 PR c++/91741
3519 * c-common.c (verify_tree): Handle PAREN_SIZEOF_EXPR.
3520 (c_common_init_ts): Likewise.
3521 * c-common.def (PAREN_SIZEOF_EXPR): New tree code.
3522 * c-common.h (maybe_warn_sizeof_array_div): Declare.
3523 * c-warn.c (sizeof_pointer_memaccess_warning): Unwrap NOP_EXPRs.
3524 (maybe_warn_sizeof_array_div): New function.
3525 * c.opt (Wsizeof-array-div): New option.
3526
35272020-10-23 Martin Sebor <msebor@redhat.com>
3528
3529 PR c/97463
3530 * c-warn.c (warn_parm_ptrarray_mismatch): Move null test earlier.
3531
56ddd5e2
GA		 35322020-10-22 Martin Liska <mliska@suse.cz>
3533
3534 PR c/94722
3535 * c-attribs.c (handle_no_stack_protect_function_attribute): New.
3536 (handle_stack_protect_attribute): Add error message for a
3537 no_stack_protector function.
3538
35392020-10-22 Martin Liska <mliska@suse.cz>
3540
3541 * c-cppbuiltin.c (c_cpp_builtins): Use the stack_protector enum.
3542
35432020-10-22 Jan Hubicka <hubicka@ucw.cz>
3544
3545 * c-gimplify.c: Include tree-nested.h
3546 (c_genericize): Update for new nested function info.
3547
b2698c21
GA		 35482020-10-14 Martin Sebor <msebor@redhat.com>
3549
3550 PR c/97413
3551 * c-attribs.c (build_attr_access_from_parms): Wrap chain of VLA
3552 bounds in an extra list.
3553
7e9282ae
GA		 35542020-10-05 Richard Biener <rguenther@suse.de>
3555 Jakub Jelinek <jakub@redhat.com>
3556
3557 PR c++/97197
3558 * c-pretty-print.c: Include langhooks.h.
3559 (c_pretty_printer::postfix_expression): Handle TARGET_MEM_REF as
3560 expression.
3561 (c_pretty_printer::expression): Handle TARGET_MEM_REF as
3562 unary_expression.
3563 (c_pretty_printer::unary_expression): Handle TARGET_MEM_REF.
3564
660bfe61
GA		 35652020-09-30 Martin Sebor <msebor@redhat.com>
3566
3567 PR middle-end/97189
3568 * c-attribs.c (append_access_attr): Use the function declaration
3569 location for a warning about an attribute access argument.
3570
93bca37c
GA		 35712020-09-29 Marek Polacek <polacek@redhat.com>
3572
3573 PR c++/94695
3574 * c.opt (Wrange-loop-construct): New option.
3575
82b77dee
GA		 35762020-09-23 Martin Sebor <msebor@redhat.com>
3577
3578 PR c/97131
3579 * c-warn.c (warn_parm_ptrarray_mismatch): Handle more invalid input.
3580
35812020-09-23 Marek Polacek <polacek@redhat.com>
3582
3583 PR c/97125
3584 * c-gimplify.c (c_genericize): Only call do_warn_duplicated_branches_r
3585 after loops and other structured control constructs have been lowered.
3586
521d2711
GA		 35872020-09-22 Jakub Jelinek <jakub@redhat.com>
3588
3589 * c.opt (Wbuiltin-declaration-mismatch): Fix typo in variable name:
3590 warn_builtin_declaraion_mismatch -> warn_builtin_declaration_mismatch.
3591
44135373
GA		 35922020-09-21 Marek Polacek <polacek@redhat.com>
3593
3594 * c.opt (Wctad-maybe-unsupported): New option.
3595
2fe5b7d1
GA		 35962020-09-19 Martin Sebor <msebor@redhat.com>
3597
3598 PR c/50584
3599 * c-common.h (warn_parm_array_mismatch): Declare new function.
3600 (has_attribute): Move declaration of an existing function.
3601 (build_attr_access_from_parms): Declare new function.
3602 * c-warn.c (parm_array_as_string): Define new function.
3603 (plus_one): Define new function.
3604 (warn_parm_ptrarray_mismatch): Define new function.
3605 (warn_parm_array_mismatch): Define new function.
3606 (vla_bound_parm_decl): New function.
3607 * c.opt (-Warray-parameter, -Wvla-parameter): New options.
3608 * c-pretty-print.c (pp_c_type_qualifier_list): Don't print array type
3609 qualifiers here...
3610 (c_pretty_printer::direct_abstract_declarator): ...but instead print
3611 them in brackets here. Also print [static]. Strip extraneous
3612 expressions from VLA bounds.
3613
36142020-09-19 Martin Sebor <msebor@redhat.com>
3615
3616 PR c/50584
3617 * c-attribs.c (c_common_attribute_table): Add "arg spec" attribute.
3618 (handle_argspec_attribute): New function.
3619 (get_argument, get_argument_type): New functions.
3620 (append_access_attrs): Add overload. Handle internal attribute
3621 representation in addition to external.
3622 (handle_access_attribute): Handle internal attribute representation
3623 in addition to external.
3624 (build_attr_access_from_parms): New function.
3625
36262020-09-19 Sandra Loosemore <sandra@codesourcery.com>
3627
3628 * c-gimplify.c (genericize_c_loop): Rewrite to match
3629 c_finish_loop in c-typeck.c.
3630
36312020-09-19 Sandra Loosemore <sandra@codesourcery.com>
3632
3633 * c-common.c (c_block_may_fallthrough): New, split from
3634 cxx_block_may_fallthrough in the cp front end.
3635 (c_common_init_ts): Move handling of loop and switch-related
3636 statements here from the cp front end.
3637 * c-common.def (FOR_STMT, WHILE_STMT, DO_STMT): Move here from
3638 cp front end.
3639 (BREAK_STMT, CONTINUE_STMT, SWITCH_STMT): Likewise.
3640 * c-common.h (c_block_may_fallthru): Declare.
3641 (bc_state_t): Move here from cp front end.
3642 (save_bc_state, restore_bc_state): Declare.
3643 (c_genericize_control_stmt): Declare.
3644 (WHILE_COND, WHILE_BODY): Likewise.
3645 (DO_COND, DO_BODY): Likewise.
3646 (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY, FOR_SCOPE): Likewise.
3647 (SWITCH_STMT_COND, SWITCH_STMT_BODY): Likewise.
3648 (SWITCH_STMT_TYPE, SWITCH_STMT_SCOPE): Likewise.
3649 (SWITCH_STMT_ALL_CASES_P, SWITCH_STMT_NO_BREAK_P): Likewise.
3650 (LABEL_DECL_BREAK, LABEL_DECL_CONTINUE): Likewise.
3651 * c-dump.c (dump_stmt): Copy from cp front end.
3652 (c_dump_tree): Move code to handle structured loop and switch
3653 tree nodes here from cp front end.
3654 * c-gimplify.c: Adjust includes.
3655 (enum bc_t, bc_label, begin_bc_block, finish_bc_block): Move from
3656 cp front end.
3657 (save_bc_state, restore_bc_state): New functions using old code
3658 from cp front end.
3659 (get_bc_label, expr_loc_or_loc): Move from cp front end.
3660 (genericize_c_loop): Move from cp front end.
3661 (genericize_for_stmt, genericize_while_stmt): Likewise.
3662 (genericize_do_stmt, genericize_switch_stmt): Likewise.
3663 (genericize_continue_stmt, genericize_break_stmt): Likewise.
3664 (genericize_omp_for_stmt): Likewise.
3665 (c_genericize_control_stmt): New function using code split from
3666 cp front end.
3667 (c_genericize_control_r): New.
3668 (c_genericize): Call walk_tree with c_genericize_control_r.
3669 * c-pretty-print.c (c_pretty_printer::statement): Move code to handle
3670 structured loop and switch tree nodes here from cp front end.
3671
2aad20c0
GA		 36722020-09-17 Patrick Palka <ppalka@redhat.com>
3673
3674 PR c/80076
3675 * c-indentation.c (should_warn_for_misleading_indentation): Move
3676 declarations of local variables closer to their first use.
3677 Handle virtual token locations by resolving them to their
3678 respective macro expansion points. If all three tokens are
3679 produced from the same macro expansion, then instead use their
3680 loci within the macro definition.
3681
ecde1b0a
GA		 36822020-09-16 Martin Sebor <msebor@redhat.com>
3683
3684 PR c/78666
3685 PR c/96126
3686 * c-attribs.c (validate_attr_args): New function.
3687 (validate_attr_arg): Same.
3688 (handle_section_attribute): Call it. Introduce a local variable.
3689 (handle_alloc_size_attribute): Same.
3690 (handle_alloc_align_attribute): Same.
3691
50a71cd0
GA		 36922020-09-14 Jakub Jelinek <jakub@redhat.com>
3693
3694 * c-attribs.c (handle_optimize_attribute): Adjust
3695 cl_optimization_save, cl_optimization_restore and
3696 build_optimization_node callers.
3697 * c-pragma.c (handle_pragma_optimize): Adjust
3698 build_optimization_node caller.
3699 (handle_pragma_push_options): Adjust
3700 build_optimization_node and build_target_option_node callers.
3701 (handle_pragma_pop_options, handle_pragma_reset_options):
3702 Adjust cl_optimization_restore callers.
3703
8f7ea26a
GA		 37042020-08-28 Martin Sebor <msebor@redhat.com>
3705
3706 * c.opt (Wstringop-overread): New option.
3707
a6493809
GA		 37082020-08-11 Jakub Jelinek <jakub@redhat.com>
3709
3710 PR c/96545
3711 * c-common.c (get_atomic_generic_size): Require that first argument's
3712 type points to a complete type and use tree_fits_uhwi_p instead of
3713 just INTEGER_CST TREE_CODE check for the TYPE_SIZE_UNIT.
3714
48cc2e46
GA		 37152020-07-31 Martin Sebor <msebor@redhat.com>
3716
3717 PR c++/96003
3718 * c-common.c (check_function_arguments_recurse): Return early when
3719 no-warning bit is set.
3720
37212020-07-31 Richard Biener <rguenther@suse.de>
3722
3723 PR debug/96383
3724 * c-common.h (c_common_finalize_early_debug): Declare.
3725 * c-common.c: Include debug.h.
3726 (c_common_finalize_early_debug): finalize_early_debug langhook
3727 implementation generating debug for extern declarations.
3728
e71dab87
GA		 37292020-07-27 Nathan Sidwell <nathan@acm.org>
3730
3731 * c-common.c (try_to_locate_new_include_insertion_point): Use
3732 strcmp, not pointer equality.
3733
ae2e0bc1
GA		 37342020-07-25 Martin Sebor <msebor@redhat.com>
3735
3736 PR c++/96310
3737 * c-common.c (check_nonnull_arg): Print note only when warning was
3738 issued.
3739
3ea9abca
GA		 37402020-07-22 Tobias Burnus <tobias@codesourcery.com>
3741
3742 * c-omp.c (c_finish_omp_critical): Check for no name but
3743 nonzero hint provided.
3744
0933f508
GA		 37452020-07-20 Jason Merrill <jason@redhat.com>
3746
3747 * c-cppbuiltin.c (c_cpp_builtins): Update
3748 __cpp_nontype_template_args for C++20.
3749
37502020-07-20 Martin Sebor <msebor@redhat.com>
3751
3752 PR c/96249
3753 * c.opt: Remove stray text.
3754
8ca07a30
GA		 37552020-07-14 Lewis Hyatt <lhyatt@gmail.com>
3756
3757 PR other/86904
3758 * c-indentation.c (should_warn_for_misleading_indentation): Get
3759 global tabstop from the new source.
3760 * c-opts.c (c_common_handle_option): Remove handling of -ftabstop, which
3761 is now a common option.
3762 * c.opt: Likewise.
3763
a82c4c4c 37642020-07-08 Eric Botcazou <ebotcazou@adacore.com>
50873cc5
GA		 3765
3766 * c.opt (Wscalar-storage-order): Add explicit variable.
3767
f60ee68d
GA		 37682020-07-07 Nathan Sidwell <nathan@acm.org>
3769
3770 * c-opts.c (c_common_post_options): Add 'injecting' arg to
3771 cpp_read_main_file.
3772 (c_finish_options): Add linemap_line_start calls for builtin and cmd
3773 maps. Force token position to line_table's highest line.
3774 * c-ppoutput.c (print_line_1): Refactor, print line zero.
3775 (cb_define): Always increment source line.
3776
4077d74c
GA		 37772020-07-06 Martin Sebor <msebor@redhat.com>
3778
3779 PR c++/95984
3780 * c-common.c (check_function_nonnull): Avoid checking syntesized calls
3781 to stub lambda objects with null this pointer.
3782 (check_nonnull_arg): Handle C++ nullptr.
3783
b5f24739
GA		 37842020-07-02 Jason Merrill <jason@redhat.com>
3785 Jakub Jelinek <jakub@redhat.com>
3786
3787 * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_consteval.
3788
46fbb6c6
GA		 37892020-06-30 Jakub Jelinek <jakub@redhat.com>
3790
3791 PR c++/95963
3792 * c-common.c (check_function_arguments_recurse): Don't crash on
3793 calls to internal functions.
3794
69273534
GA		 37952020-06-28 Martin Sebor <msebor@redhat.com>
3796
3797 PR c++/86568
3798 * c-common.c (struct nonnull_arg_ctx): Add members.
3799 (check_function_nonnull): Use nonnull_arg_ctx as argument. Handle
3800 C++ member functions specially. Consider the this pointer implicitly
3801 nonnull.
3802 (check_nonnull_arg): Use location of argument when available.
3803 (check_function_arguments): Use nonnull_arg_ctx as argument.
3804
9a33c41f
GA		 38052020-06-27 Jakub Jelinek <jakub@redhat.com>
3806
3807 PR middle-end/95903
3808 * c-common.c (pointer_int_sum): Use TYPE_OVERFLOW_UNDEFINED instead of
3809 !TYPE_UNSIGNED check to see if we can apply distributive law and handle
3810 smaller precision intop operands separately.
3811
c9c05f73
GA		 38122020-06-26 Marek Polacek <polacek@redhat.com>
3813
3814 * c-opts.c (c_common_init_options): Default to gnu++17.
3815
aff95ee7
GA		 38162020-06-17 Jonathan Wakely <jwakely@redhat.com>
3817
bd0a89dc 3818 PR c/95378
aff95ee7
GA		 3819 * c-common.c (get_atomic_generic_size): Check cv-qualifiers in
3820 pointer arguments.
3821
56638b9b
GA		 38222020-06-16 Jakub Jelinek <jakub@redhat.com>
3823
3824 * c-common.h (c_omp_check_loop_iv_exprs): Add an int argument.
3825 * c-omp.c (struct c_omp_check_loop_iv_data): Add maybe_nonrect and
3826 idx members.
3827 (c_omp_is_loop_iterator): New function.
3828 (c_omp_check_loop_iv_r): Use it. Add support for silent scanning
3829 if outer loop iterator is present. Perform duplicate checking through
3830 hash_set in the function rather than expecting caller to do that.
3831 Pass NULL instead of d->ppset to walk_tree_1.
3832 (c_omp_check_nonrect_loop_iv): New function.
3833 (c_omp_check_loop_iv): Use it. Fill in new members, allow
3834 non-rectangular loop forms, diagnose multiple associated loops with
3835 the same iterator. Pass NULL instead of &pset to walk_tree_1.
3836 (c_omp_check_loop_iv_exprs): Likewise.
3837
ec6ffbb9
GA		 38382020-06-10 Martin Liska <mliska@suse.cz>
3839
3840 PR tree-optimization/92860
3841 * c-attribs.c (handle_optimize_attribute):
3842 Save global options and compare it after parsing of function
3843 attribute.
3844 * c-pragma.c (opt_stack::saved_global_options): New field.
3845 (handle_pragma_push_options): Save global_options.
3846 (handle_pragma_pop_options): Compare them after pop.
3847
b952c2cf
GA		 38482020-06-09 Jakub Jelinek <jakub@redhat.com>
3849
3850 PR c/95580
3851 * c-pretty-print.c (c_pretty_printer::unary_expression): Handle the
3852 case when MEM_REF's first argument has type pointer to incomplete type.
3853
1a59f3db
GA		 38542020-06-05 Jason Merrill <jason@redhat.com>
3855
3856 * c-pretty-print.c (pp_c_additive_expression): Handle negative
3857 operand to POINTER_PLUS_EXPR.
3858
3add3425
GA		 38592020-06-04 Martin Sebor <msebor@redhat.com>
3860
3861 PR middle-end/10138
3862 PR middle-end/95136
3863 * c-attribs.c (append_access_attrs): Handle attr_access::none.
3864 (handle_access_attribute): Same.
3865
9a5b7438
GA		 38662020-06-03 Mark Wielaard <mark@klomp.org>
3867
3868 * known-headers.cc (get_cp_stdlib_header_for_string_macro_name):
3869 New function.
3870 * known-headers.h (get_cp_stdlib_header_for_string_macro_name):
3871 New function declaration.
3872
38732020-06-03 Mark Wielaard <mark@klomp.org>
3874
3875 * known-headers.cc (get_string_macro_hint): New function.
3876 (get_stdlib_header_for_name): Use get_string_macro_hint.
3877 (get_c_stdlib_header_for_string_macro_name): New function.
3878 * known-headers.h (get_c_stdlib_header_for_string_macro_name):
3879 New function declaration.
3880
38812020-06-03 Tobias Burnus <tobias@codesourcery.com>
3882
3883 * c-common.h (c_omp_predetermined_mapping): Declare.
3884 * c-omp.c (c_omp_predetermined_mapping): New.
3885
af114c38
MW		 38862020-05-22 Mark Wielaard <mark@klomp.org>
3887
3888 * known-headers.cc (get_stdlib_header_for_name): Add a new
3889 stdlib_hint array for stdbool and stdint.
3890
45c50b6a
MW		 38912020-05-22 Mark Wielaard <mark@klomp.org>
3892
3893 * known-headers.cc (get_stdlib_header_for_name): Return
3894 "<stdbool.h>" for "bool", "true" or "false" when STDLIB_C and
3895 flag_isoc99.
3896
c22027a0
NS		 38972020-05-20 Nathan Sidwell <nathan@acm.org>
3898
38a4db21
NS		 3899 * c-common.c (try_to_locate_new_include_insertion_point): Revert change.
3900
c22027a0
NS		 3901 * c-common.c (try_to_locate_new_include_insertion_point): Use
3902 strcmp to compare filenames.
3903 * c-lex.c (init_c_lex): Move declaration to initialization.
3904 * c-opts.c (handle_deferred_opts): Move cpp_get_deps call into
3905 deferred count loop.
3906
29f0e90d
JM		 39072020-05-15 Jason Merrill <jason@redhat.com>
3908
3909 * c-opts.c (set_std_cxx20): Set flag_coroutines.
3910
b04445d4
JM		 39112020-05-13 Jason Merrill <jason@redhat.com>
3912
3913 * c.opt (std=c++20): Make c++2a the alias.
3914 (std=gnu++20): Likewise.
3915 * c-common.h (cxx_dialect): Change cxx2a to cxx20.
3916 * c-opts.c: Adjust.
3917 * c-cppbuiltin.c: Adjust.
3918 * c-ubsan.c: Adjust.
3919 * c-warn.c: Adjust.
3920
11dd3be5
EB		 39212020-05-12 Eric Botcazou <ebotcazou@adacore.com>
3922
3923 * c-ada-spec.c (dump_ads): Output pragma Warnings ("U"); on entry.
3924
b224c376
NS		 39252020-05-08 Nathan Sidwell <nathan@acm.org>
3926
3927 Reimplement directives only processing.
3928 * c-ppoutput.c (token_streamer): Ne.
3929 (directives_only_cb): New. Swallow ...
3930 (print_lines_directives_only): ... this.
3931 (scan_translation_unit_directives_only): Reimplment using the
3932 published interface.
3933
f1d94677
MP		 39342020-05-07 Marek Polacek <polacek@redhat.com>
3935
3936 * c-format.c (badwords): Add "nonstatic".
3937
9b95bb52
JJ		 3938202-05-07 Jakub Jelinek <jakub@redhat.com>
3939
3940 PR c/94968
3941 * c-common.c (speculation_safe_value_resolve_params): Return false if
3942 error_operand_p (val2).
3943 (resolve_overloaded_builtin) <case BUILT_IN_SPECULATION_SAFE_VALUE_N>:
3944 Remove extraneous semicolon.
3945
530b4409 39462020-05-06 qing zhao <qing.zhao@oracle.com>
3947
3948 PR c/94230
3949 * c-indentation.c (get_visual_column): Add a hint to use the new
3950 -flarge-source-files option.
3951
b776bdca
SSF		 39522020-05-05 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
3953
3954 * c-attribs.c (handle_vector_size_attribute): Add attribute
3955 nonnull for argument args in order to silence warning of
3956 uninitialized variable usage. Since this is local to the
3957 compilation unit and thus cannot be checked at call sides by the
3958 compiler, added an assert statement in order to verify this.
3959
6607bdd9
L		 39602020-05-01 H.J. Lu <hongjiu.lu@intel.com>
3961
3962 PR target/93492
3963 * c-attribs.c (handle_patchable_function_entry_attribute): Limit
3964 value to USHRT_MAX (65535).
3965
691eeb65
JJ		 39662020-04-29 Jakub Jelinek <jakub@redhat.com>
3967
3968 * c-format.c (PP_FORMAT_CHAR_TABLE): Add %{ and %}.
3969
26d76be7
JJ		 39702020-04-27 Jakub Jelinek <jakub@redhat.com>
3971
3972 PR c/94755
3973 * c-common.c (resolve_overloaded_builtin): Return error_mark_node for
3974 fncode == BUILT_IN_NONE before initialization of first_param.
3975
7291b2ed
MP		 39762020-04-23 Marek Polacek <polacek@redhat.com>
3977
3978 PR c++/94733
3979 * c-attribs.c (find_tm_attribute): Use get_attribute_name instead of
3980 TREE_PURPOSE.
3981
58a29af8
PP		 39822020-04-14 Patrick Palka <ppalka@redhat.com>
3983
3984 PR c++/85278
3985 * c-pretty-print.c (pp_c_pointer) <case REFERENCE_TYPE>: Print a double
3986 ampersand if it's an rvalue reference type.
3987
09f04139
MS		 39882020-04-13 Martin Sebor <msebor@redhat.com>
3989
3990 PR c/92326
3991 * c-pretty-print.c (c_pretty_printer::direct_abstract_declarator): Avoid
3992 printing array bound for flexible array members.
3993
ee26baf4
IS		 39942020-04-13 Iain Sandoe <iain@sandoe.co.uk>
3995
3996 * c-cppbuiltin.c (c_cpp_builtins): Update coroutines builtin
3997 define, per n4861.
3998
75efe9cb
RB		 39992020-04-02 Richard Biener <rguenther@suse.de>
4000
4001 PR c/94392
4002 * c-opts.c (c_common_post_options): Enable -ffinite-loops
4003 for -O2 and C++11 or newer.
4004
75defde9
PP		 40052020-03-28 Patrick Palka <ppalka@redhat.com>
4006
4007 * c.opt: Add -fconcepts-diagnostics-depth.
4008
52f24a9e
MS		 40092020-03-27 Martin Sebor <msebor@redhat.com>
4010
4011 PR c++/94346
4012 * c-attribs.c (handle_copy_attribute): Avoid passing expressions
4013 to decl_attributes. Make handling of different kinds of entities
4014 more robust.
4015
ccacf77b
MS		 40162020-03-27 Martin Sebor <msebor@redhat.com>
4017
4018 PR c++/94098
4019 * c-attribs.c (handle_access_attribute): Avoid setting TYPE_ATTRIBUTES
4020 here.
4021
ca6c7225
JJ		 40222020-03-23 Jakub Jelinek <jakub@redhat.com>
4023
4024 PR c++/91993
4025 * c-warn.c (warnings_for_convert_and_check): For expr and/or
4026 result being COMPOUND_EXPRs, skip to ultimate rhs.
4027
1aa22b19
RS		 40282020-03-20 Richard Sandiford <richard.sandiford@arm.com>
4029
4030 PR middle-end/94072
4031 * c-common.c (c_common_type_for_mode): Before using a registered
4032 built-in type, check that the vectorness of the type matches
4033 the vectorness of the mode.
4034
700d4cb0
JJ		 40352020-03-17 Jakub Jelinek <jakub@redhat.com>
4036
4037 * c-common.c (resolve_overloaded_builtin): Fix up duplicated word
4038 issue in a diagnostic message.
4039
b408e010
LH		 40402020-03-15 Lewis Hyatt <lhyatt@gmail.com>
4041
4042 * c.opt: Avoid redundancy in the help text.
4043
e78e50d5
MP		 40442020-03-02 Marek Polacek <polacek@redhat.com>
4045
4046 PR c++/93958 - add missing -std=gnu++20.
4047 * c.opt: Add -std=gnu++20.
4048
649e1741
MS		 40492020-03-01 Martin Sebor <msebor@redhat.com>
4050
4051 PR c++/92721
4052 * c-attribs.c (append_access_attrs): Correctly handle attribute.
4053 (handle_access_attribute): Same.
4054
7b60f3ba
JJ		 40552020-02-25 Jakub Jelinek <jakub@redhat.com>
4056
4057 PR c/93858
4058 * c-pragma.c (handle_pragma_diagnostic): Add missing ? after
4059 "did you mean" hint in diagnostics.
4060
fb260504
JM		 40612020-02-15 Jason Merrill <jason@redhat.com>
4062
4063 * c.opt: Add -std=c++20.
4064
1d757b09
EB		 40652020-02-14 Eric Botcazou <ebotcazou@adacore.com>
4066
4067 * c-ada-spec.c: Include bitmap.h.
4068 (dump_ada_double_name): Rename into...
4069 (dump_anonymous_type_name): ...this. Always use the TYPE_UID.
4070 (dump_ada_array_type): Adjust to above renaming. Robustify.
4071 (dump_nested_types_1): New function copied from... Add dumped_types
4072 parameter and pass it down to dump_nested_type.
4073 (dump_nested_types): ...this. Remove parent parameter. Just call
4074 dump_nested_types_1 on an automatic bitmap.
4075 (dump_nested_type): Add dumped_types parameter.
4076 <ARRAY_TYPE>: Do not dump it if already present in dumped_types.
4077 Adjust recursive calls and adjust to above renaming.
4078 (dump_ada_declaration): Adjust call to dump_nested_types.
4079 Tidy up and adjust to above renaming.
4080 (dump_ada_specs): Initialize and release bitmap obstack.
4081
0cc575e4
MS		 40822020-02-10 Martin Sebor <msebor@redhat.com>
4083
4084 PR c/93640
4085 * c-attribs.c (handle_access_attribute): Correct off-by-one mistakes.
4086
a59aa302
JJ		 40872020-02-10 Jakub Jelinek <jakub@redhat.com>
4088
4089 PR other/93641
4090 * c-format.c (check_plain): Fix up last argument of strncasecmp.
4091 Remove useless extra test.
4092
e464fc90
TB		 40932020-02-03 Julian Brown <julian@codesourcery.com>
4094 Tobias Burnus <tobias@codesourcery.com>
4095
4096 * c-cppbuiltin.c (c_cpp_builtins): Update _OPENACC define to 201711.
4097
e3b6c052
JM		 40982020-01-29 Jason Merrill <jason@redhat.com>
4099
4100 PR c++/89357
4101 * c-attribs.c (check_cxx_fundamental_alignment_constraints): Remove.
4102
6d00f052
JM		 41032020-01-23 Jason Merrill <jason@redhat.com>
4104
4105 * c-warn.c (conversion_warning): Change -Wsign-conversion handling.
4106
8a990ffa
MS		 41072020-01-23 Martin Sebor <msebor@redhat.com>
4108
4109 PR c/84919
4110 * c-common.c (check_function_arguments): Avoid overlap checking
4111 of sprintf functions.
4112
55b7df8b
JM		 41132020-01-22 Jason Merrill <jason@redhat.com>
4114
4115 PR testsuite/93391 - PR 40752 test fails with unsigned plain char.
4116 PR c++/40752
4117 * c-warn.c (conversion_warning): Check operands only after checking
4118 the whole expression. Don't check second operand of + for sign.
4119
c77074d0
JM		 41202020-01-21 Jason Merrill <jason@redhat.com>
4121 Manuel López-Ibáñez <manu@gcc.gnu.org>
4122
4123 PR c++/40752 - useless -Wconversion with short +=.
4124 * c.opt (-Warith-conversion): New.
4125 * c-warn.c (conversion_warning): Recurse for operands of
4126 operators. Only warn about the whole expression with
4127 -Warith-conversion.
4128
731dbfc3
JM		 41292020-01-21 Jason Merrill <jason@redhat.com>
4130
4131 * c-common.c (unsafe_conversion_p): Don't warn, return UNSAFE_SIGN.
4132 * c-warn.c (conversion_warning): Warn about UNSAFE_SIGN.
4133
ad1a3914
NS		 41342020-01-20 Nathan Sidwell <nathan@acm.org>
4135
4136 PR preprocessor/80005
4137 * c-cppbuiltins.c (c_cpp_builtins): Don't define __has_include{,_next}.
4138
49789fd0
IS		 41392020-01-18 Iain Sandoe <iain@sandoe.co.uk>
4140
4141 * c-common.c (co_await, co_yield, co_return): New.
4142 * c-common.h (RID_CO_AWAIT, RID_CO_YIELD,
4143 RID_CO_RETURN): New enumeration values.
4144 (D_CXX_COROUTINES): Bit to identify coroutines are active.
4145 (D_CXX_COROUTINES_FLAGS): Guard for coroutine keywords.
4146 * c-cppbuiltin.c (__cpp_coroutines): New cpp define.
4147 * c.opt (fcoroutines): New command-line switch.
4148
4bc1899b
DM		 41492020-01-10 David Malcolm <dmalcolm@redhat.com>
4150
4151 * c-format.c (local_event_ptr_node): New.
4152 (PP_FORMAT_CHAR_TABLE): Add entry for "%@".
4153 (init_dynamic_diag_info): Initialize local_event_ptr_node.
4154 * c-format.h (T_EVENT_PTR): New define.
4155
f25e33fa
MS		 41562020-01-10 Martin Sebor <msebor@redhat.com>
4157
4158 PR c/93132
4159 * c-attribs.c (append_access_attrs): Validate against the translated
4160 access string rather than the human-readable representation.
4161
8d9254fc
JJ		 41622020-01-01 Jakub Jelinek <jakub@redhat.com>
4163
4164 Update copyright years.
4165
39292e25
EB		 41662019-12-20 Eric Botcazou <ebotcazou@adacore.com>
4167
4168 * c-ada-spec.h (decl_sloc): Delete.
4169 * c-ada-spec.c (decl_sloc): Make static.
4170
519d7496
JB		 41712019-12-19 Julian Brown <julian@codesourcery.com>
4172
4173 * c-common.h (c_omp_map_clause_name): Add prototype.
4174 * c-omp.c (c_omp_map_clause_name): New function.
4175 * c-pragma.h (pragma_omp_clause): Add PRAGMA_OACC_CLAUSE_ATTACH and
4176 PRAGMA_OACC_CLAUSE_DETACH.
4177
a6163563
JB		 41782019-12-19 Julian Brown <julian@codesourcery.com>
4179 Maciej W. Rozycki <macro@codesourcery.com>
4180 Tobias Burnus <tobias@codesourcery.com>
4181 Thomas Schwinge <thomas@codesourcery.com>
4182
4183 * c-pragma.h (pragma_omp_clause): Add
4184 PRAGMA_OACC_CLAUSE_NO_CREATE.
4185
e8f1ade2
MS		 41862019-12-17 Martin Sebor <msebor@redhat.com>
4187
4188 PR c++/61339
4189 * c.opt (-Wmismatched-tags, -Wredundant-tags): New options.
4190
368877a1
DM		 41912019-12-11 David Malcolm <dmalcolm@redhat.com>
4192
4193 * c-pretty-print.c (c_pretty_printer::clone): New vfunc
4194 implementation.
4195 * c-pretty-print.h (c_pretty_printer::clone): New vfunc decl.
4196
d68f5d45
DM		 41972019-12-09 David Malcolm <dmalcolm@redhat.com>
4198
4199 * c-format.c (range_label_for_format_type_mismatch::get_text):
4200 Replace label_text ctor called with true with label_text::take.
4201
d3e28653
DM		 42022019-12-09 David Malcolm <dmalcolm@redhat.com>
4203
4204 * c-format.c (selftest::test_type_mismatch_range_labels): Remove
4205 initial newline from expected outputs.
4206 * c-opts.c (c_diagnostic_finalizer): Add pp_newline call before
4207 call to diagnostic_show_locus.
4208
abd6d8cc
JJ		 42092019-12-06 Jakub Jelinek <jakub@redhat.com>
4210
4211 * c-cppbuiltin.c (c_cpp_builtins): Don't define __cpp_consteval for
4212 now.
4213
7906797e
MP		 42142019-12-05 Marek Polacek <polacek@redhat.com>
4215 Jakub Jelinek <jakub@redhat.com>
4216
4217 PR c++/91353 - P1331R2: Allow trivial default init in constexpr contexts.
4218 * c-cppbuiltin.c (c_cpp_builtins): Adjust the value of __cpp_constexpr.
4219
5c04da88
MP		 42202019-12-05 Marek Polacek <polacek@redhat.com>
4221
4222 PR c++/92271 - make __is_same alias for __is_same_as.
4223 * c-common.c: Add __is_same, an alias for __is_same_as.
4224
43aae289
MP		 42252019-12-03 Marek Polacek <polacek@redhat.com>
4226
4227 PR c++/91363 - P0960R3: Parenthesized initialization of aggregates.
4228 * c-cppbuiltin.c (c_cpp_builtins): Predefine
4229 __cpp_aggregate_paren_init=201902 for -std=c++2a.
4230
d7ddfbcb
JH		 42312019-11-30 Jan Hubicka <hubicka@ucw.cz>
4232
4233 * c-attribs.c (handle_symver_attribute): New function
4234 (c_common_attributes): Add symver.
4235
65ef05d0
RS		 42362019-11-30 Richard Sandiford <richard.sandiford@arm.com>
4237
4238 * c-common.c (pointer_int_sum): Use verify_type_context to check
4239 whether the target allows pointer arithmetic for the types involved.
4240 (c_sizeof_or_alignof_type, c_alignof_expr): Use verify_type_context
4241 to check whether the target allows sizeof and alignof operations
4242 for the types involved.
4243
1a291106
JM		 42442019-11-27 Jason Merrill <jason@redhat.com>
4245
4246 * c-cppbuiltin.c (c_cpp_builtins): Update __cpp_deduction_guides.
4247
05d6cb1a
JJ		 42482019-11-26 Jakub Jelinek <jakub@redhat.com>
4249
4250 PR c++/61414
4251 * c-attribs.c (handle_mode_attribute): Add mode attribute to
4252 ENUMERAL_TYPEs.
4253
5b8d9367
JM		 42542019-11-25 Joseph Myers <joseph@codesourcery.com>
4255
4256 PR c/91985
4257 * c-common.c (c_common_type_for_mode): Handle decimal
4258 floating-point types being NULL_TREE.
4259 * c-format.c (get_format_for_type_1): Handle specified types being
4260 NULL_TREE.
4261 * c-lex.c (interpret_float): Give an error for decimal
4262 floating-point constants when decimal floating-point not
4263 supported.
4264
1fbf51cb
JJ		 42652019-11-23 Jakub Jelinek <jakub@redhat.com>
4266
4267 PR middle-end/83859
4268 * c-attribs.c (append_access_attrs): Avoid buffer overflow. Avoid
4269 memory leak. Use XNEWVEC macro. Use auto_diagnostic_group to
4270 group warning with inform together.
4271 (handle_access_attribute): Formatting fix.
4272
761df906
JJ		 42732019-11-22 Jakub Jelinek <jakub@redhat.com>
4274
bdaf8be1
JJ		 4275 PR c/90677
4276 * c-common.h (identifier_global_tag): Declare.
4277 * c-format.c (get_pointer_to_named_type): Renamed to ...
4278 (get_named_type): ... this. Use identifier_global_tag instead of
4279 identifier_global_value, handle the return value being a TYPE_P.
4280 (init_dynamic_diag_info): Adjust get_pointer_to_named_type callers
4281 to call get_named_type instead. Formatting fixes.
4282
c2ecce6d 4283 Implement P1902R1, Missing feature-test macros 2017-2019.
761df906
JJ		 4284 * c-cppbuiltin.c (c_cpp_builtins): Bump __cpp_init_captures
4285 and __cpp_generic_lambdas for -std=c++2a. Define
4286 __cpp_designated_initializers, __cpp_constexpr_in_decltype and
4287 __cpp_consteval for -std=c++2a. Remove a FIXME comment about
4288 __cpp_concepts for -std=c++2a.
4289
54aa6b58
MS		 42902019-11-22 Martin Sebor <msebor@redhat.com>
4291
4292 PR middle-end/83859
4293 * c-attribs.c (handle_access_attribute): New function.
4294 (c_common_attribute_table): Add new attribute.
4295 (get_argument_type): New function.
4296 (append_access_attrs): New function.
4297 (get_nonnull_operand): Rename...
4298 (get_attribute_operand): ...to this.
4299 * c-common.c (get_nonnull_operand): Rename...
4300 (get_attribute_operand): ...to this.
4301
6c80b1b5
JM		 43022019-11-21 Joseph Myers <joseph@codesourcery.com>
4303
4304 * c-attribs.c (handle_fallthrough_attribute): Use pedwarn instead
4305 of warning.
4306
192961ff
JM		 43072019-11-19 Joseph Myers <joseph@codesourcery.com>
4308
4309 * c-common.c (attribute_fallthrough_p): In C, use pedwarn not
4310 warning for standard attributes mixed with fallthrough attributes.
4311
f8aea5e3
JM		 43122019-11-15 Joseph Myers <joseph@codesourcery.com>
4313
4314 * c-attribs.c (handle_fallthrough_attribute): Remove static.
4315 * c-common.h (handle_fallthrough_attribute): Declare.
4316
2cc94aa8
JM		 43172019-11-15 Joseph Myers <joseph@codesourcery.com>
4318
4319 * c-attribs.c (handle_deprecated_attribute): Remove static.
4320 * c-common.h (handle_deprecated_attribute): Declare.
4321
7c5890cc
JM		 43222019-11-14 Joseph Myers <joseph@codesourcery.com>
4323
4324 * c-lex.c (lex_charconst): Make CPP_UTF8CHAR constants unsigned
4325 char for C.
4326
b2417b59
JJ		 43272019-11-14 Jakub Jelinek <jakub@redhat.com>
4328
d0ec7c93
JJ		 4329 * c-omp.c (c_omp_check_context_selector): Add nvidia to the list of
4330 valid vendors.
4331
b2417b59
JJ		 4332 * c-omp.c (c_omp_check_context_selector): Handle name lists
4333 containing string literals. Don't diagnose atomic_default_mem_order
4334 with multiple props.
4335
00be2a5f
JM		 43362019-11-13 Joseph Myers <joseph@codesourcery.com>
4337
4338 * c-cppbuiltin.c (builtin_define_float_constants): Also define
4339 NORM_MAX constants. Update call to get_max_float.
4340 (LAZY_HEX_FP_VALUES_CNT): Update value to include NORM_MAX
4341 constants.
4342
2dbad62d
EB		 43432019-11-13 Eric Botcazou <ebotcazou@adacore.com>
4344
4345 * c-ada-spec.c (get_underlying_decl): Do not look through typedefs.
4346 (dump_forward_type): Do not generate a declaration for function types.
4347 (dump_nested_type) <ARRAY_TYPE>: Do not generate a nested declaration
4348 of the component type if it is declared in another file.
4349
6ed76044
ML		 43502019-11-12 Martin Liska <mliska@suse.cz>
4351
4352 * c-opts.c (c_common_post_options):
4353 Use SET_OPTION_IF_UNSET.
4354
62aee289
MR		 43552019-11-12 Maciej W. Rozycki <macro@codesourcery.com>
4356 Frederik Harwath <frederik@codesourcery.com>
4357
4358 gcc/c-family/
4359 * c-pragma.h (pragma_kind): Add PRAGMA_OACC_SERIAL enumeration
4360 constant.
4361 * c-pragma.c (oacc_pragmas): Add "serial" entry.
4362
f486280c
RS		 43632019-11-08 Richard Sandiford <richard.sandiford@arm.com>
4364
4365 * c-common.h (gnu_vector_type_p): New function.
4366 * c-common.c (c_build_vec_perm_expr): Require __builtin_shuffle
4367 vectors to satisfy gnu_vector_type_p.
4368 (c_build_vec_convert): Likewise __builtin_convertvector.
4369 (convert_vector_to_array_for_subscript): Likewise when applying
4370 implicit vector to array conversion.
4371 (scalar_to_vector): Likewise when converting vector-scalar
4372 operations to vector-vector operations.
4373
017c6491
JM		 43742019-11-08 Joseph Myers <joseph@codesourcery.com>
4375
4376 * c.opt (Wold-style-definition): Initialize to -1.
4377 * c-opts.c (c_common_post_options): Set warn_old_style_definition
4378 to flag_isoc2x if not set explicitly.
4379
c01bd174
JM		 43802019-11-07 Joseph Myers <joseph@codesourcery.com>
4381
4382 * c-attribs.c (parse_tm_stmt_attr): Handle scoped attributes.
4383
0df65305
JM		 43842019-11-05 Jason Merrill <jason@redhat.com>
4385
4386 * c-opts.c (c_common_post_options): -fconcepts-ts implies
4387 -fconcepts.
4388
e0c866dd
KK		 43892019-11-04 Kamlesh Kumar <kamleshbhalui@gmail.com>
4390
4391 * c-opts.c (c_common_post_options): Update
4392 latest_abi_version.
4393
f968ef9b
JJ		 43942019-11-02 Jakub Jelinek <jakub@redhat.com>
4395
d0c464d2
JJ		 4396 * c-common.h (c_omp_get_context_selector): Remove.
4397 * c-omp.c (c_omp_get_context_selector): Moved to omp-general.c
4398 and renamed to omp_get_context_selector.
4399
917dd789
JJ		 4400 * c-omp.c (c_omp_mark_declare_variant): Use
4401 omp_context_selector_set_compare.
4402
f968ef9b
JJ		 4403 PR c++/88335 - Implement P1073R3: Immediate functions
4404 * c-common.h (enum rid): Add RID_CONSTEVAL.
4405 * c-common.c (c_common_reswords): Add consteval.
4406
5f6705b7
JJ		 44072019-11-01 Martin Sebor <msebor@redhat.com>
4408
4409 PR middle-end/91679
4410 PR middle-end/91647
4411 PR middle-end/91463
4412 PR middle-end/92312
4413 * c-pretty-print.c (direct_abstract_declarator): Print
4414 bound in zero-length arrays.
4415 * c.opt (-Wzero-length-bounds): New option.
4416
43f1814c
NS		 44172019-10-30 Nathan Sidwell <nathan@acm.org>
4418
4419 * c-cppbuiltin.c (c_cpp_builtins): Add 'L' suffix to feature
4420 macros.
4421
ad1539d5
MS		 44222019-10-28 Martin Sebor <msebor@redhat.com>
4423
4424 PR c/66970
4425 * c-common.c (c_common_nodes_and_builtins): Call c_define_builtins
4426 even when only preprocessing.
4427 * c-common.h (names_builtin_p): Declare new function.
4428 * c-lex.c (init_c_lex): Set has_builtin.
4429 (c_common_has_builtin): Define a new function.
4430 * c-ppoutput.c (init_pp_output): Set has_builtin.
4431
135df52c
JJ		 44322019-10-24 Jakub Jelinek <jakub@redhat.com>
4433
4434 * c-common.h (c_omp_context_selector_matches): Remove.
4435 * c-omp.c (c_omp_context_selector_matches): Remove.
4436 * c-attribs.c (c_common_attribute_table): Add
4437 "omp declare target {host,nohost,block}" attributes.
4438
8ad0c477
JM		 44392019-10-17 JeanHeyd Meneide <phdofthehouse@gmail.com>
4440
4441 * c-lex.c (c_common_has_attribute): Update nodiscard value.
4442
56898e43
RS		 44432019-10-14 Richard Sandiford <richard.sandiford@arm.com>
4444
4445 * c-common.h (user_facing_original_type_p): Declare.
4446 * c-common.c: Include c-spellcheck.h.
4447 (user_facing_original_type_p): New function.
4448
20de9568
JJ		 44492019-10-12 Jakub Jelinek <jakub@redhat.com>
4450
4451 * c-common.h (c_omp_mark_declare_variant,
4452 c_omp_context_selector_matches): Declare.
4453 * c-omp.c: Include attribs.h, gimplify.h, cgraph.h, symbol-summary.h
4454 and hsa-common.h.
4455 (c_omp_get_context_selector): Support second argument NULL.
4456 (c_omp_mark_declare_variant, c_omp_context_selector_matches): New
4457 functions.
4458 * c-attribs.c (c_common_attribute_table): Remove "omp declare variant"
4459 attribute, add "omp declare variant base" and
4460 "omp declare variant variant" attributes.
4461
175a85b2
JM		 44622019-10-11 Joseph Myers <joseph@codesourcery.com>
4463
4464 * c.opt (Wc11-c2x-compat): Add CPP(cpp_warn_c11_c2x_compat)
4465 CppReason(CPP_W_C11_C2X_COMPAT).
4466
fe2bc27c
JM		 44672019-10-11 Joseph Myers <joseph@codesourcery.com>
4468
4469 * c-common.c (c_common_reswords): Do not use D_EXT for _Decimal32,
4470 _Decimal64 and _Decimal128.
4471
27dfdc0f
JM		 44722019-10-10 Joseph Myers <joseph@codesourcery.com>
4473
4474 * c-cppbuiltin.c (c_cpp_builtins): Do not define macros for DFP
4475 types if DFP not supported.
4476
94e7f906
JJ		 44772019-10-10 Jakub Jelinek <jakub@redhat.com>
4478
4479 * c-common.h (c_omp_check_context_selector,
4480 c_omp_get_context_selector): Declare.
4481 * c-omp.c (c_omp_declare_simd_clauses_to_numbers): Fix spelling
4482 in diagnostic message.
4483 (c_omp_check_context_selector, c_omp_get_context_selector): New
4484 functions.
4485 * c-attribs.c (c_common_attribute_table): Add "omp declare variant"
4486 attribute.
4487 (handle_omp_declare_variant_attribute): New function.
4488
a7160771
MS		 44892019-10-09 Martin Sebor <msebor@redhat.com>
4490
4491 PR tree-optimization/90879
4492 * c.opt (-Wstring-compare): New option.
4493
cb57504a
JM		 44942019-10-08 Andrew Sutton <asutton@lock3software.com>
4495 Jason Merrill <jason@redhat.com>
4496
4497 Update the concepts implementation to conform to the C++20
4498 specification, improve compile times, and generally clean up
4499 the implementation.
4500
4501 * c-cppbuiltin.c (c_cpp_builtins): Use new feature test values for
4502 concepts when -std=c++2a. Bump __cpp_concepts to 201907.
4503 * c.opt: Add -Wconcepts-ts.
4504 * c-opts.c (c_common_post_options): Warn when -fconcepts is used
4505 with -std=c++2a. Disable warning for -fconcepts in C++20 mode.
4506 (set_std_cxx2a): Enable concepts by default.
4507
fbb2a6dc
JM		 45082019-10-08 Joseph Myers <joseph@codesourcery.com>
4509
4510 * c-opts.c (c_common_post_options): Set
4511 -fno-fp-int-builtin-inexact for C2X.
4512
8e007055
JJ		 45132019-10-05 Jakub Jelinek <jakub@redhat.com>
4514
4515 PR c++/91369 - Implement P0784R7: constexpr new
4516 * c-cppbuiltin.c (c_cpp_builtins): Predefine
4517 __cpp_constexpr_dynamic_alloc=201907 for -std=c++2a.
4518
843f104d
JM		 45192019-10-04 Joseph Myers <joseph@codesourcery.com>
4520
4521 PR c/82752
4522 * c-format.c (C_STD_VER): Handle C2x.
4523 (C_STD_NAME): Likewise.
4524 (strftime_flag_specs): Add 'O' modifier with 'p' flag.
4525 (time_char_table): Use separate entry for 'B' and 'b', with 'O'
4526 modifier allowed and 'p' flag.
4527 * c-format.h (enum format_std_version): Add STD_C2X.
4528 (struct format_char_info): Mention 'p' in comment on flags2.
4529
e9c9a142
DM		 45302019-10-01 David Malcolm <dmalcolm@redhat.com>
4531
4532 * c-opts.c (c_diagnostic_finalizer): Temporarily clear prefix when
4533 calling diagnostic_show_locus, rather than destroying it afterwards.
4534
7552c36a
JJ		 45352019-10-01 Jakub Jelinek <jakub@redhat.com>
4536
4537 PR c++/91925
4538 * c-warn.c (check_alignment_of_packed_member): Ignore FIELD_DECLs
4539 with NULL DECL_FIELD_OFFSET.
4540
8209db25
RS		 45412019-10-01 Richard Sandiford <richard.sandiford@arm.com>
4542
4543 * c-pretty-print.c (pp_c_specifier_qualifier_list): If a vector type
4544 has a type name, use it in preference to the __vector syntax.
4545
9343bf99
RS		 45462019-09-30 Richard Sandiford <richard.sandiford@arm.com>
4547
4548 * c-pretty-print.c (pp_c_parameter_type_list): Avoid printing
4549 two spaces between a comma and "...".
4550
59bc434a
JJ		 45512019-09-27 Jakub Jelinek <jakub@redhat.com>
4552
4553 PR c++/88203
4554 * c-common.h (c_omp_predefined_variable): Declare.
4555 * c-omp.c (c_omp_predefined_variable): New function.
4556 (c_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED
4557 for predefined variables.
4558
c6447c20
RS		 45592019-09-27 Richard Sandiford <richard.sandiford@arm.com>
4560
4561 * c-common.h (build_function_call_vec): Take the original
4562 function decl as an optional final parameter.
4563 (check_builtin_function_arguments): Take the original function decl.
4564 * c-common.c (check_builtin_function_arguments): Likewise.
4565 Handle all built-in functions, not just BUILT_IN_NORMAL ones.
4566 Use targetm.check_builtin_call to check BUILT_IN_MD functions.
4567
c4438114
JM		 45682019-09-15 Jason Merrill <jason@redhat.com>
4569
4570 * c-warn.c (warn_logical_operator): Strip location wrappers. Don't
4571 fold_for_warn in "|| mask" warning.
4572
68a57628
ML		 45732019-09-10 Martin Liska <mliska@suse.cz>
4574
4575 * c.opt: Use newly added WarnRemoved.
4576
f48ef52e
ML		 45772019-09-09 Martin Liska <mliska@suse.cz>
4578
4579 * c.opt: Update comment of removed
4580 options that are preserved only for backward
4581 compatibility.
4582
67f6e649
ML		 45832019-09-06 Martin Liska <mliska@suse.cz>
4584
4585 PR c++/91125
4586 * c-common.c: Remove definition of flag_use_repository.
4587 * c-common.h: Likewise.
4588 * c-opts.c (c_common_handle_option):
4589 Do not handle OPT_frepo option.
4590 * c.opt: Mark the option with Deprecated.
4591
db9d2274
MP		 45922019-09-04 Marek Polacek <polacek@redhat.com>
4593
4594 * c.opt (fdeduce-init-list): Ignored.
4595
68e2c199
PK		 45962019-09-04 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
4597
4598 PR c/78736
4599 * c.opt (Wenum-conversion): New option.
4600
7a4418a5
JL		 46012019-09-03 Jozef Lawrynowicz <jozef.l@mittosystems.com>
4602
4603 * c-attribs.c (handle_section_attribute): Call the
4604 handle_generic_attribute target hook after performing target
4605 independent processing.
4606 (handle_noinit_attribute): Likewise.
4607
5f76ab15
ILT		 46082019-09-03 Ian Lance Taylor <iant@golang.org>
4609
4610 * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Always expand
4611 when using -fgo-dump-spec.
4612
ae0d3f6a
ML		 46132019-09-02 Martin Liska <mliska@suse.cz>
4614
4615 PR c++/91155
4616 * c-common.c (fname_as_string): Use cxx_printable_name for
4617 __PRETTY_FUNCTION__ same as was used before r265711.
4618
8a902edb
MP		 46192019-08-28 Marek Polacek <polacek@redhat.com>
4620
4621 Implement P1152R4: Deprecating some uses of volatile.
4622 PR c++/91361
4623 * c-opts.c (c_common_post_options): Enable -Wvolatile by
4624 default for C++2a, unless -Wno-deprecated.
4625 * c.opt (Wvolatile): New warning.
4626
4742dbe7
MP		 46272019-08-28 Marek Polacek <polacek@redhat.com>
4628
4629 PR c++/91360 - Implement C++20 P1143R2: constinit.
4630 * c-common.c (c_common_reswords): Add constinit and __constinit.
4631 (keyword_is_decl_specifier): Handle RID_CONSTINIT.
4632 * c-common.h (enum rid): Add RID_CONSTINIT, RID_FIRST_CXX20, and
4633 RID_LAST_CXX20.
4634 (D_CXX20): Define.
4635 * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_constinit.
4636 * c-format.c (cxx_keywords): Add "constinit".
4637 * c.opt (Wc++2a-compat, Wc++20-compat): New options.
4638
6a074892
JJ		 46392019-08-27 Jakub Jelinek <jakub@redhat.com>
4640
4641 PR c++/91415
4642 * c-common.c (verify_tree): For LSHIFT_EXPR, RSHIFT_EXPR,
4643 COMPONENT_REF and ARRAY_REF in cxx_dialect >= cxx17 mode handle it
4644 like COMPOUND_EXPR rather than normal expression.
4645
22f8849d
IS		 46462019-08-23 Iain Sandoe <iain@sandoe.co.uk>
4647
4648 PR pch/61250
4649 * c-lex.c (c_lex_with_flags): Don't call
4650 c_common_no_more_pch () from here.
4651
df375b03
JJ		 46522019-08-23 Jakub Jelinek <jakub@redhat.com>
4653
4654 PR middle-end/91283
4655 * c-common.c (c_ts18661_flt_eval_method): Use flag_excess_precision
4656 instead of flag_excess_precision_cmdline.
4657 * c-cppbuiltin.c (c_cpp_flt_eval_method_iec_559): Likewise.
4658 * c-opts.c (c_common_post_options): Likewise.
4659
14b7950f
MS		 46602019-08-22 Martin Sebor <msebor@redhat.com>
4661
4662 PR middle-end/91490
4663 * c-common.c (braced_list_to_string): Add argument and overload.
4664 Handle flexible length arrays and unions.
4665
8bb2ee59
EB		 46662019-08-21 Eric Botcazou <ebotcazou@adacore.com>
4667
4668 * c-ada-spec.c (dump_ada_function_declaration): Be prepared for broken
4669 function declarations where arguments are missing. Rename variables.
4670
21c1e205
RB		 46712019-08-15 Richard Biener <rguenther@suse.de>
4672
4673 * c-common.c (c_stddef_cpp_builtins): When the GIMPLE FE is
4674 enabled, define __SIZETYPE__.
4675
f0033821
CL		 46762019-08-14 Christophe Lyon <christophe.lyon@linaro.org>
4677
4678 * c-attribs.c (c_common_attribute_table): Add "noinit" entry. Add
4679 exclusion with "section" attribute.
4680 (attr_noinit_exclusions): New table.
4681 (handle_noinit_attribute): New function.
4682
4d732405
RS		 46832019-08-13 Richard Sandiford <richard.sandiford@arm.com>
4684
4685 PR middle-end/91421
4686 * c-common.c (resolve_overloaded_builtin): Use
4687 copy_decl_built_in_function.
4688
51ad8481
MS		 46892019-08-13 Martin Sebor <msebor@redhat.com>
4690
4691 PR c/80619
4692 * c-format.c (printf_length_specs): Set FMT_LEN_w for "w".
4693 (asm_fprintf_length_spec): Same.
4694 * c-format.h (format_lengths): Add FMT_LEN_w.
4695
77eb117f
JJ		 46962019-08-10 Jakub Jelinek <jakub@redhat.com>
4697
4698 * c-pragma.h (enum pragma_omp_clause): Add
4699 PRAGMA_OMP_CLAUSE_DEVICE_TYPE.
4700
398e3feb
JJ		 47012019-08-07 Jakub Jelinek <jakub@redhat.com>
4702
4703 * c-pragma.h (enum pragma_omp_clause): Add
4704 PRAGMA_OMP_CLAUSE_USE_DEVICE_ADDR. Set PRAGMA_OACC_CLAUSE_USE_DEVICE
4705 equal to PRAGMA_OMP_CLAUSE_USE_DEVICE_PTR instead of being a separate
4706 enumeration value.
4707
ab574db6
MP		 47082019-08-05 Marek Polacek <polacek@redhat.com>
4709
4710 PR c++/91338 - Implement P1161R3: Deprecate a[b,c].
4711 * c-opts.c (c_common_post_options): Enable -Wcomma-subscript by
4712 default for C++2a, unless -Wno-deprecated.
4713 * c.opt (Wcomma-subscript): New warning.
4714
554a530f
JJ		 47152019-07-20 Jakub Jelinek <jakub@redhat.com>
4716
4717 * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_LOOP.
4718 (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_BIND.
4719 * c-pragma.c (omp_pragmas_simd): Add PRAGMA_OMP_LOOP entry.
4720 * c-common.h (enum c_omp_clause_split): Add C_OMP_CLAUSE_SPLIT_LOOP.
4721 * c-omp.c (c_omp_split_clauses): Add support for 4 new combined
4722 constructs with the loop construct.
4723
1a888209
JJ		 47242019-07-13 Jakub Jelinek <jakub@redhat.com>
4725
4726 PR c/91149
4727 * c-omp.c (c_omp_split_clauses): Fix a pasto in
4728 OMP_CLAUSE_REDUCTION_TASK handling.
4729
1fdd6f04
JJ		 47302019-07-12 Jakub Jelinek <jakub@redhat.com>
4731
4732 * c-pragma.h (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_ORDER.
4733 * c-omp.c (c_omp_split_clauses): Handle splitting of OMP_CLAUSE_ORDER.
4734
99b1c316
MS		 47352019-07-09 Martin Sebor <msebor@redhat.com>
4736
4737 PR c++/61339
1fdd6f04 4738 * c-opts.c (handle_deferred_opts): Change class-key of PODs to struct
99b1c316
MS		 4739 and others to class.
4740 * c-pretty-print.h: Same.
4741
6c1dae73
MS		 47422019-07-09 Martin Sebor <msebor@redhat.com>
4743
4744 PR c++/61339
4745 * c-format.c (check_argument_type): Change class-key from class to
4746 struct and vice versa to match convention and avoid -Wclass-is-pod
4747 and -Wstruct-no-pod.
4748 * c-pretty-print.h: Same.
4749
8ba6ea87
ML		 47502019-07-03 Martin Liska <mliska@suse.cz>
4751
4752 * c-common.c (try_to_locate_new_include_insertion_point): Remove
4753 dead assignemts.
4754
83eb9522
JJ		 47552019-07-03 Jakub Jelinek <jakub@redhat.com>
4756
4757 * c-omp.c (c_omp_split_clauses): Put OMP_CLAUSE_REDUCTION_INSCAN
4758 clauses on OMP_FOR rather than OMP_PARALLEL when OMP_FOR is combined
4759 with OMP_PARALLEL.
4760
1c6ffbab
QZ		 47612019-07-02 qing zhao <qing.zhao@oracle.com>
4762
4763 PR preprocessor/90581
4764 * c-opts.c (c_common_handle_option): Handle -fmax-include-depth.
4765 * c.opt: Add new option -fmax-include-depth.
4766
7ffc7de5
JM		 47672019-06-26 Jason Merrill <jason@redhat.com>
4768
4769 PR c++/55442 - memory-hog with highly recursive constexpr.
4770 * c.opt (fconstexpr-loop-limit): New.
4771
361af3e4
JJ		 47722019-06-25 Jakub Jelinek <jakub@redhat.com>
4773
4774 PR sanitizer/90954
4775 * c-omp.c (c_finish_omp_atomic): Allow tree_invariant_p in addition
4776 to SAVE_EXPR in first operand of a COMPOUND_EXPR.
4777
ab20d992
JJ		 47782019-06-25 Jozef Lawrynowicz <jozef.l@mittosystems.com>
4779
4780 * c-common.c (c_common_nodes_and_builtins): Define
4781 alternate "__intN__" name for "__intN" types.
4782
f4af4019
JH		 47832019-06-24 Jan Hubicka <jh@suse.cz>
4784
4785 * c-common.c (braced_lists_to_strings): Check that
4786 type is array or integer prior checking string flag.
4787
da9e9b57
MB		 47882019-06-21 Matthew Beliveau <mbelivea@redhat.com>
4789
4790 PR c++/90875 - added -Wswitch-outside-range option
4791 * c.opt (Wswitch-outside-range): Added new option.
4792 * c-warn.c (c_do_switch_warnings): Use OPT_Wswitch-outside-range.
4793
3f3d6a6f
MP		 47942019-06-21 Marek Polacek <polacek@redhat.com>
4795
4796 PR c++/90953 - ICE with -Wmissing-format-attribute.
4797 * c-common.c (check_function_arguments_recurse): Use
4798 get_attribute_name.
4799 (check_missing_format_attribute): Likewise.
4800
1bf32c11
MP		 48012019-06-19 Marek Polacek <polacek@redhat.com>
4802
4803 PR c++/60364 - noreturn after first decl not diagnosed.
4804 * c-attribs.c (handle_noreturn_attribute): No longer static.
4805 * c-common.h (handle_noreturn_attribute, attr_noreturn_exclusions):
4806 Declare.
4807 * c-format.c (check_function_format): Use get_attribute_name.
4808
a04c0734
MS		 48092019-06-19 Martin Sebor <msebor@redhat.com>
4810
4811 PR translation/90156
4812 * c-format.c (function_format_info::format_type): Adjust type.
4813 (function_format_info::is_raw): New member.
4814 (decode_format_type): Adjust signature. Handle "raw" diag attributes.
4815 (decode_format_attr): Adjust call to decode_format_type.
4816 Avoid a redundant call to convert_format_name_to_system_name.
4817 Avoid abbreviating the word "arguments" in a diagnostic.
4818 (format_warning_substr): New function.
4819 (avoid_dollar_number): Quote dollar sign in a diagnostic.
4820 (finish_dollar_format_checking): Same.
4821 (check_format_info): Same.
4822 (struct baltoks_t): New.
4823 (c_opers, c_keywords, cxx_keywords, badwords, contrs): New arrays.
4824 (maybe_diag_unbalanced_tokens, check_tokens, check_plain): New
4825 functions.
4826 (check_format_info_main): Call check_plain. Use baltoks_t. Call
4827 maybe_diag_unbalanced_tokens.
4828 (handle_format_attribute): Spell out the word "arguments" in
4829 a diagnostic.
4830
d3786ebb
MB		 48312019-06-11 Matthew Beliveau <mbelivea@redhat.com>
4832
4833 PR c++/90449 - add -Winaccessible-base option.
4834 * c.opt (Winaccessible-base): New option.
4835
bf38f7e9
JJ		 48362019-06-10 Jakub Jelinek <jakub@redhat.com>
4837
4838 * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_SCAN.
4839 * c-pragma.c (omp_pragmas_simd): Add #pragma omp scan.
4840 * c-omp.c (c_omp_split_clauses): Diagnose inscan reductions on
4841 combined/composite constructs where it is not allowed. Copy over
4842 OMP_CLAUSE_REDUCTION_INSCAN.
4843
0ecf545c
MS		 48442019-06-05 Martin Sebor <msebor@redhat.com>
4845
4846 * c-attribs.c (handle_mode_attribute): Adjust quoting and hyphenation.
4847 (handle_alias_ifunc_attribute): Same.
4848 (handle_copy_attribute): Same.
4849 (handle_weakref_attribute): Same.
4850 (handle_nonnull_attribute): Same.
4851 * c-warn.c (warn_for_sign_compare): Same.
4852 (warn_for_restrict): Same.
4853 * c.opt: Same.
4854
36b34127
MS		 48552019-06-05 Martin Sebor <msebor@redhat.com>
4856
4857 * c-pragma.c (handle_pragma_weak): Adjust quoting in a diagnostic.
4858 * c.opt (-Wformat-diag): Remove a spurious period.
4859
357a352f
JJ		 48602019-05-29 Jakub Jelinek <jakub@redhat.com>
4861
4862 PR c/90628
4863 * c-common.c (check_builtin_function_arguments)
4864 <case BUILTIN_*_OVERFLOW>: Diagnose pointer to const qualified integer
4865 as last argument.
4866
2b8235ea
EB		 48672019-05-23 Eric Botcazou <ebotcazou@adacore.com>
4868
4869 * c-ada-spec.c (compare_node): Compare the DECL_UIDs as a last resort.
4870
6d86ddc4
ML		 48712019-05-22 Martin Liska <mliska@suse.cz>
4872
4873 PR lto/90500
4874 * c-attribs.c (handle_copy_attribute): Do not copy
4875 target_clones attribute.
4876
419ba5b9
EB		 48772019-05-21 Eric Botcazou <ebotcazou@adacore.com>
4878
4879 * c-ada-spec.h (enum cpp_operation): Add IS_ASSIGNMENT_OPERATOR.
4880 * c-ada-spec.c (print_assignment_operator): New function.
4881 (dump_ada_declaration) <FUNCTION_DECL>: Call it do dump explicit copy
4882 assignment operators declared as methods and filter out the others.
4883
e03436e7
TS		 48842019-05-17 Thomas Schwinge <thomas@codesourcery.com>
4885
4886 PR c/89433
4887 * c-attribs.c (c_common_attribute_table): Set min_len to -1 for
4888 "omp declare target".
4889
a9c697b8
MS		 48902019-05-16 Martin Sebor <msebor@redhat.com>
4891
ab20d992
JJ		 4892 * c-attribs.c (handle_no_sanitize_attribute): Quote identifiers,
4893 keywords, operators, and types in diagnostics.
4894 (handle_scalar_storage_order_attribute): Same.
4895 (handle_mode_attribute): Same.
4896 (handle_visibility_attribute): Same.
4897 (handle_assume_aligned_attribute): Same.
4898 (handle_no_split_stack_attribute): Same.
4899 * c-common.c (shorten_compare): Same.
4900 (c_common_truthvalue_conversion): Same.
4901 (cb_get_source_date_epoch): Same.
4902 * c-lex.c (cb_def_pragma): Quote keywords, operators, and types
4903 in diagnostics.
4904 (interpret_float): Same.
4905 * c-omp.c (c_finish_omp_for): Same.
4906 * c-opts.c (c_common_post_options): Same.
4907 * c-pch.c (c_common_pch_pragma): Same.
4908 * c-pragma.c (pop_alignment): Same.
4909 (handle_pragma_pack): Same.
4910 (apply_pragma_weak): Same.
4911 (handle_pragma_weak): Same.
4912 (handle_pragma_scalar_storage_order): Same.
4913 (handle_pragma_redefine_extname): Same.
4914 (add_to_renaming_pragma_list): Same.
4915 (maybe_apply_renaming_pragma): Same.
4916 (push_visibility): Same.
4917 (handle_pragma_visibility): Same.
4918 (handle_pragma_optimize): Same.
4919 (handle_pragma_message): Same.
4920 * c-warn.c (warn_for_omitted_condop): Same.
4921 (lvalue_error): Same.
a9c697b8 4922
6b943512
RB		 49232019-05-15 Richard Biener <rguenther@suse.de>
4924
4925 PR c/90474
4926 * c-common.c (c_common_mark_addressable_vec): Also mark
4927 a COMPOUND_LITERAL_EXPR_DECL addressable similar to
4928 c_mark_addressable.
ab20d992 4929
b744fc85
NS		 49302019-05-06 Nathan Sidwell <nathan@acm.org>
4931
4932 * c-opts.c (handle_defered_opts): Rename struct deps to struc mkdeps.
4933
598f50d7
NS		 49342019-04-30 Nathan Sidwell <nathan@acm.org>
4935
4936 * c-common.c (c_common_init_ts): Use MARK_TS_EXP. Mark SIZEOF_EXPR.
4937
5bcc5a3b
ML		 49382019-04-30 Martin Liska <mliska@suse.cz>
4939
4940 * c-pragma.c (handle_pragma_diagnostic): Provide hints
4941 for unknown options.
4942
e78a87f7
RS		 49432019-04-26 Richard Sandiford <richard.sandiford@arm.com>
4944
4945 * c-warn.c (strict_aliasing_warning): Apply COMPLETE_TYPE_P to
4946 the pointer target rather than the pointer itself.
4947
c280b7ee
JJ		 49482019-04-19 Jakub Jelinek <jakub@redhat.com>
4949
4950 PR c/89888
4951 * c-common.h (c_add_case_label): Remove orig_type and outside_range_p
4952 arguments.
4953 (c_do_switch_warnings): Remove outside_range_p argument.
4954 * c-common.c (check_case_bounds): Removed.
4955 (c_add_case_label): Remove orig_type and outside_range_p arguments.
4956 Don't call check_case_bounds. Fold low_value as well as high_value.
4957 * c-warn.c (c_do_switch_warnings): Remove outside_range_p argument.
4958 Check for case labels outside of range of original type here and
4959 adjust them.
4960
8e8225e6
JJ		 49612019-04-12 Jakub Jelinek <jakub@redhat.com>
4962
63b8a166
JJ		 4963 PR translation/90041
4964 * c.opt (-fhandle-exceptions): Use %< and %> around option names
4965 in the Warn diagnostics.
4966
8e8225e6
JJ		 4967 PR c/89946
4968 * c-attribs.c (handle_patchable_function_entry_attribute): Add
4969 function comment. Warn if arguments of the attribute are not positive
4970 integer constants.
4971
53a3f614
EB		 49722019-04-09 Eric Botcazou <ebotcazou@adacore.com>
4973
4974 * c-ada-spec.c (print_destructor): Deal with deleting destructors.
4975 (dump_ada_declaration) <FUNCTION_DECL>: Likewise.
4976
22be5873
EB		 49772019-04-07 Eric Botcazou <ebotcazou@adacore.com>
4978
4979 * c-ada-spec.c (is_float128): New predicate extracted from...
4980 (dump_ada_node) <COMPLEX_TYPE>: Use it to recognize __cfloat128.
4981 <REAL_TYPE>: ...here. Call it.
4982
34facf20
DM		 49832019-04-05 David Malcolm <dmalcolm@redhat.com>
4984
4985 PR c/89985
4986 * c-warn.c (check_address_or_pointer_of_packed_member): Add
4987 auto_diagnostic_group. Guard inform calls by result of
4988 warning_at call.
4989
05564120
MP		 49902019-04-05 Marek Polacek <polacek@redhat.com>
4991
ab20d992 4992 PR c++/89973 - -Waddress-of-packed-member ICE with invalid conversion.
05564120
MP		 4993 * c-warn.c (check_address_or_pointer_of_packed_member): Check the type
4994 of RHS.
4995
7a506c3c
JM		 49962019-04-03 Jason Merrill <jason@redhat.com>
4997
4998 PR c++/86586 - -fcompare-debug=-Wsign-compare.
4999 * c-warn.c (warn_for_sign_compare): Call fold_for_warn.
5000
ddeae8c8
MS		 50012019-04-01 Martin Sebor <msebor@redhat.com>
5002
5003 PR c/89685
5004 * c-attribs.c (handle_copy_attribute): Handle references and
5005 non-constant expressions.
5006
a15ffa22
JJ		 50072019-03-22 Jakub Jelinek <jakub@redhat.com>
5008
5009 PR c++/87481
5010 * c.opt (-fconstexpr-ops-limit=): New option.
5011
36a3a7a3
JJ		 50122019-03-21 Jakub Jelinek <jakub@redhat.com>
5013
5014 * c-common.c (per_file_includes_t): Use false as Lazy in hash_set
5015 template param.
5016
bec1da64
MS		 50172019-03-19 Martin Sebor <msebor@redhat.com>
5018
5019 PR tree-optimization/89688
5020 * c-common.c (braced_list_to_string): Make static.
5021 (braced_lists_to_strings): Define new function.
5022 * c-common.h (braced_list_to_string): Remove.
5023 (braced_lists_to_strings): Declare.
5024
1fe61adf
ML		 50252019-03-12 Martin Liska <mliska@suse.cz>
5026
5027 * c-opts.c (c_common_handle_option): Wrap option with %< and %>.
5028
93964ebd
ML		 50292019-03-11 Martin Liska <mliska@suse.cz>
5030
5031 * c-opts.c (c_common_post_options): Wrap apostrophes
5032 in gcc internal format with %'.
5033
a3f9f006
ML		 50342019-03-11 Martin Liska <mliska@suse.cz>
5035
5036 * c-attribs.c (handle_nocf_check_attribute): Wrap an option name
5037 in a string format message and fix GNU coding style.
5038 * c-common.c (vector_types_convertible_p): Likewise.
5039 (c_build_vec_perm_expr): Likewise.
5040 * c-indentation.c (get_visual_column): Likewise.
5041 * c-opts.c (c_common_handle_option): Likewise.
5042 (c_common_post_options): Likewise.
5043 (sanitize_cpp_opts): Likewise.
5044 * c-pch.c (c_common_pch_pragma): Likewise.
5045 * c-pragma.c (handle_pragma_pack): Likewise.
5046
1db01ff9
JJ		 50472019-03-08 Jakub Jelinek <jakub@redhat.com>
5048
5049 PR tree-optimization/89550
5050 * c-common.c (c_common_truthvalue_conversion): Only set
5051 TREE_NO_WARNING if warning_at returned true.
5052 * c-warn.c (overflow_warning, warn_logical_operator): Likewise.
5053
ba790e6f
JJ		 50542019-02-25 Sandra Loosemore <sandra@codesourcery.com>
5055 Martin Sebor <msebor@gmail.com>
5056
5057 * c.opt (Wmissing-attributes): Clean up doc string.
5058
7da73ba7
JJ		 50592019-02-25 Jakub Jelinek <jakub@redhat.com>
5060
5061 PR c/89495
5062 * c-format.c (maybe_read_dollar_number): Compute nargnum in
5063 HOST_WIDE_INT type to avoid overflows and change overflow_flag
5064 checking.
5065
921bb9d1
RB		 50662019-02-22 Richard Biener <rguenther@suse.de>
5067
5068 * c-pch.c (no_checksum): Remove.
5069 (pch_init): Remove assertion that executable_checksum is not
5070 all zero.
5071 (c_common_valid_pch): Likewise.
5072
e2ebb05c
MS		 50732019-02-18 Martin Sebor <msebor@redhat.com>
5074
5075 PR middle-end/89294
5076 * c-common.c (invalid_array_size_error): Handle cst_size_not_constant.
5077
3fe53000
DM		 50782019-02-16 David Malcolm <dmalcolm@redhat.com>
5079
5080 PR c++/88680
5081 * c-common.c (shorten_compare): Call fold_for_warn on op0 when
5082 implementing -Wtype-limits.
5083
28a8cef1
MS		 50842019-02-11 Martin Sebor <msebor@redhat.com>
5085
5086 PR c++/87996
5087 * c-common.c (invalid_array_size_error): New function.
5088 (valid_array_size_p): Call it. Handle size as well as type.
5089 * c-common.h (valid_constant_size_p): New function.
5090 (enum cst_size_error): New type.
5091
ec2be203
DM		 50922019-01-31 David Malcolm <dmalcolm@redhat.com>
5093
5094 PR c/89122
5095 * known-headers.cc (get_stdlib_header_for_name): Add
5096 {FLT|DBL|LDBL}_{MAX|MIN} to "hints" array.
5097
8936f047
JJ		 50982019-01-31 Jakub Jelinek <jakub@redhat.com>
5099
5100 PR libstdc++/88170
5101 * c-pretty-print.c (pp_c_enumeration_constant): Print always as
5102 a C cast in pp_c_flag_gnu_v3 mode.
5103
6a335b96
JJ		 51042019-01-29 Jakub Jelinek <jakub@redhat.com>
5105
5106 PR c/86125
5107 * c-common.c (c_common_nodes_and_builtins): Build type variants for
5108 builtin_structptr_types types even for C.
5109
2a06eba5
BE		 51102019-01-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
5111
5112 * c-warn.c (check_address_or_pointer_of_packed_member): Handle the case
5113 when rhs is of array type correctly. Fix handling of nested structures.
5114 Fix handling of indirect_ref together with nop_expr and/or addr_expr.
5115 (check_and_warn_address_or_pointer_of_packed_member): Fix handling of
5116 type casts within nested compound expressions.
5117
18a23298
JJ		 51182019-01-22 Jakub Jelinek <jakub@redhat.com>
5119
5120 PR middle-end/88968
5121 * c-omp.c (c_finish_omp_atomic): For bitfield atomics, update type
5122 variable after using BIT_FIELD_REF.
5123
420183d9
L		 51242019-01-18 H.J. Lu <hongjiu.lu@intel.com>
5125
5126 PR c/51628
5127 PR c/88664
5128 * c-common.h (warn_for_address_or_pointer_of_packed_member):
5129 Remove the boolean argument.
5130 * c-warn.c (check_address_of_packed_member): Renamed to ...
5131 (check_address_or_pointer_of_packed_member): This. Also
5132 warn pointer conversion.
5133 (check_and_warn_address_of_packed_member): Renamed to ...
5134 (check_and_warn_address_or_pointer_of_packed_member): This.
5135 Also warn pointer conversion.
5136 (warn_for_address_or_pointer_of_packed_member): Remove the
5137 boolean argument. Don't check pointer conversion here.
5138
99063eee
RS		 51392019-01-15 Richard Sandiford <richard.sandiford@arm.com>
5140
5141 PR inline-asm/52813
5142 * c.opt (Wdeprecated): Move documentation and variable to common.opt.
5143
a30d0196
JJ		 51442019-01-14 Jakub Jelinek <jakub@redhat.com>
5145
5146 * c-cppbuiltin.c (c_cpp_builtin): Define __cpp_guaranteed_copy_elision
5147 and __cpp_nontype_template_parameter_auto. Add a comment that
5148 __cpp_template_auto is deprecated.
5149
2d91f79d
TH		 51502019-01-14 Tom Honermann <tom@honermann.net>
5151
5152 Implement P0482R5, char8_t: A type for UTF-8 characters and strings
5153 * c-common.c (c_common_reswords): Add char8_t.
5154 (fix_string_type): Use char8_t for the type of u8 string literals.
5155 (c_common_get_alias_set): char8_t doesn't alias.
5156 (c_common_nodes_and_builtins): Define char8_t as a builtin type in
5157 C++.
5158 (c_stddef_cpp_builtins): Add __CHAR8_TYPE__.
5159 (keyword_begins_type_specifier): Add RID_CHAR8.
5160 * c-common.h (rid): Add RID_CHAR8.
5161 (c_tree_index): Add CTI_CHAR8_TYPE and CTI_CHAR8_ARRAY_TYPE.
5162 Define D_CXX_CHAR8_T and D_CXX_CHAR8_T_FLAGS.
5163 Define char8_type_node and char8_array_type_node.
5164 * c-cppbuiltin.c (cpp_atomic_builtins): Predefine
5165 __GCC_ATOMIC_CHAR8_T_LOCK_FREE.
5166 (c_cpp_builtins): Predefine __cpp_char8_t.
5167 * c-lex.c (lex_string): Use char8_array_type_node as the type of
5168 CPP_UTF8STRING.
5169 (lex_charconst): Use char8_type_node as the type of CPP_UTF8CHAR.
5170 * c-opts.c: If not otherwise specified, enable -fchar8_t when
5171 targeting C++2a.
5172 * c.opt: Add the -fchar8_t command line option.
5173
23db6ced
MS		 51742019-01-14 Martin Sebor <msebor@redhat.com>
5175
5176 PR target/88638
5177 * c-attribs.c (positional_argument): Call valid_format_string_type_p
5178 and issue errors if it fails.
5179 * c-common.h (valid_format_string_type_p): Declare.
5180 * c-format.c (valid_stringptr_type_p): Rename...
5181 (valid_format_string_type_p): ...to this and make extern.
5182 (handle_format_arg_attribute): Adjust to new name.
5183 (check_format_string): Same.
5184
234c3818
L		 51852019-01-13 H.J. Lu <hongjiu.lu@intel.com>
5186
5187 * c-warn.c (warn_for_address_or_pointer_of_packed_member):
5188 Replace "may may" with "may" in warning message.
5189
d8fcab68
JJ		 51902019-01-07 Jakub Jelinek <jakub@redhat.com>
5191
5192 PR c++/85052
5193 * c-common.h (enum rid): Add RID_BUILTIN_CONVERTVECTOR.
5194 (c_build_vec_convert): Declare.
5195 * c-common.c (c_build_vec_convert): New function.
5196
29d24852
MS		 51972019-01-04 Martin Sebor <msebor@redhat.com>
5198
5199 PR c/88546
5200 * c-attribs.c (handle_copy_attribute): Avoid copying attribute leaf.
5201 Handle C++ empty throw specification and C11 _Noreturn.
5202 (has_attribute): Also handle C11 _Noreturn.
5203
9069a4c9
MS		 52042019-01-04 Martin Sebor <msebor@redhat.com>
5205
5206 PR c/88363
5207 * c-attribs.c (positional_argument): Also accept enumerated types.
5208
a5544970
JJ		 52092019-01-01 Jakub Jelinek <jakub@redhat.com>
5210
5211 Update copyright years.
5212
da77eace
L		 52132018-12-20 H.J. Lu <hongjiu.lu@intel.com>
5214
5215 PR c/51628
5216 * c-common.h (warn_for_address_or_pointer_of_packed_member): New.
5217 * c-warn.c (check_alignment_of_packed_member): New function.
5218 (check_address_of_packed_member): Likewise.
5219 (check_and_warn_address_of_packed_member): Likewise.
5220 (warn_for_address_or_pointer_of_packed_member): Likewise.
5221 * c.opt: Add -Wno-address-of-packed-member.
5222
573767d4
DM		 52232018-12-20 David Malcolm <dmalcolm@redhat.com>
5224
5225 PR c++/87504
5226 * c-warn.c (get_outermost_macro_expansion): New function.
5227 (spelled_the_same_p): Use it to unwind the macro expansions, and
5228 compare the outermost macro in each nested expansion, rather than
5229 the innermost.
5230
a14feb3c
DM		 52312018-12-19 David Malcolm <dmalcolm@redhat.com>
5232
5233 PR c++/87504
5234 * c-common.h (warn_tautological_cmp): Convert 1st param from
5235 location_t to const op_location_t &.
5236 * c-warn.c (find_array_ref_with_const_idx_r): Call fold_for_warn
5237 when testing for INTEGER_CST.
5238 (warn_tautological_bitwise_comparison): Convert 1st param from
5239 location_t to const op_location_t &; use it to build a
5240 binary_op_rich_location, and use this.
5241 (spelled_the_same_p): New function.
5242 (warn_tautological_cmp): Convert 1st param from location_t to
5243 const op_location_t &. Warn for macro expansions if
5244 spelled_the_same_p. Use binary_op_rich_location.
5245
dfd7fdca
DM		 52462018-12-19 David Malcolm <dmalcolm@redhat.com>
5247
5248 PR c++/43064
5249 PR c++/43486
5250 * c-common.c (unsafe_conversion_p): Fold any location wrapper.
5251 (verify_tree): Handle location wrappers.
5252 (c_common_truthvalue_conversion): Strip any location wrapper.
5253 Handle CONST_DECL.
5254 (fold_offsetof): Strip any location wrapper.
5255 (complete_array_type): Likewise for initial_value.
5256 (convert_vector_to_array_for_subscript): Call fold_for_warn on the
5257 index before checking for INTEGER_CST.
5258 * c-pretty-print.c (c_pretty_printer::primary_expression): Don't
5259 print parentheses around location wrappers.
5260 * c-warn.c (warn_logical_operator): Call fold_for_warn on op_right
5261 before checking for INTEGER_CST.
5262 (warn_tautological_bitwise_comparison): Call
5263 tree_strip_any_location_wrapper on lhs, rhs, and bitop's operand
5264 before checking for INTEGER_CST.
5265 (readonly_error): Strip any location wrapper.
5266 (warn_array_subscript_with_type_char): Strip location wrappers
5267 before checking for INTEGER_CST. Use the location of the index if
5268 available.
5269
5c8b3702
JM		 52702018-12-06 Jason Merrill <jason@redhat.com>
5271
5272 PR c++/88136 - -Wdeprecated-copy false positives
5273 * c.opt (Wdeprecated-copy-dtor): New.
5274 (Wdeprecated-copy): Move to -Wextra.
5275
673670da
MS		 52762018-11-29 Martin Sebor <msebor@redhat.com>
5277
5278 PR c/88172
5279 PR testsuite/88208
5280 * c-attribs.c (common_handle_aligned_attribute): Silently avoid setting
5281 alignments to values less than the target requires.
5282 (has_attribute): For attribute aligned consider both the attribute
5283 and the alignment bits.
5284 * c-common.c (c_init_attributes): Optionally issue a warning for
5285 zero alignment.
5286
04864ec8
MS		 52872018-11-28 Martin Sebor <msebor@redhat.com>
5288
5289 PR c/88065
5290 PR c/87297
5291 * c-warn.c (sizeof_pointer_memaccess_warning): Bail if source
5292 or destination is an error.
5293
ace83db0
JJ		 52942018-11-28 Jakub Jelinek <jakub@redhat.com>
5295
5296 PR c++/88215
5297 * c-ubsan.c: Include langhooks.h.
5298 (ubsan_instrument_division): Change gcc_assert that main variants
5299 of op0 and op1 types are equal to gcc_checking_assert that the
5300 main variants are compatible types.
5301
da193a27
EB		 53022018-11-27 Eric Botcazou <ebotcazou@adacore.com>
5303
5304 * c-ada-spec.c: Include stringpool.h.
5305 (has_static_fields): Return false for incomplete types.
5306 (is_tagged_type): Likewise.
5307 (has_nontrivial_methods): Likewise.
5308 (dump_ada_node) <INTEGER_TYPE>: Deal specifically with __int128.
5309 (struct overloaded_name_hash): New structure.
5310 (struct overloaded_name_hasher): Likewise.
5311 (overloaded_names): New global variable.
5312 (init_overloaded_names): New static function.
5313 (overloaded_name_p): New predicate.
5314 (dump_ada_declaration) <TYPE_DECL>: Tidy up and set TREE_VISITED
5315 on the TYPE_STUB_DECL of the original type of a typedef, if any.
5316 <FUNCTION_DECL>: Bail out for an unsupported overloaded name.
5317 Remove always-true condition and dump forward types.
5318 (dump_ada_specs): Delete overloaded_names.
5319
98f08eb8
MS		 53202018-11-20 Martin Sebor <msebor@redhat.com>
5321
5322 * c-attribs.c (type_for_vector_size): New function.
5323 (type_valid_for_vector_size): Same.
5324 (handle_vector_size_attribute): Move code to the functions above
5325 and call them.
5326 (validate_attribute, has_attribute): New functions.
5327 * c-common.h (has_attribute): Declare.
5328 (rid): Add RID_HAS_ATTRIBUTE_EXPRESSION.
5329 * c-common.c (c_common_resword): Same.
5330
2674fa47
JM		 53312018-11-16 Jason Merrill <jason@redhat.com>
5332
5333 * c-lex.c (c_common_has_attribute): Handle likely/unlikely.
5334 * c-attribs.c (attr_cold_hot_exclusions): Make public.
5335
258b3854
JJ		 53362018-11-16 Jakub Jelinek <jakub@redhat.com>
5337
5338 PR middle-end/87854
5339 * c-common.c (fix_string_type): Reject string literals larger than
5340 TYPE_MAX_VALUE (ssizetype) bytes.
5341
1d249509
MS		 53422018-11-15 Martin Sebor <msebor@redhat.com>
5343
5344 PR c++/87541
5345 PR c++/87542
5346 * c-attribs.c (positional_argument): New function.
5347 (handle_alloc_size_attribute): Use it and simplify.
5348 (handle_alloc_align_attribute): Same.
5349 (handle_assume_aligned_attribute): Same.
5350 (handle_nonnull_attribute): Same.
5351 * c-common.c (check_function_arguments): Pass fntype to
5352 check_function_format.
5353 * c-common.h (check_function_format): Add an argument.
5354 (PosArgFlags, positional_argument): Declare new type and function.
5355 * c-format.c (decode_format_attr): Add arguments.
5356 (check_format_string, get_constant): Same.
5357 (convert_format_name_to_system_name): Adjust.
5358
478dd60d
DM		 53592018-11-15 David Malcolm <dmalcolm@redhat.com>
5360
5361 PR other/19165
5362 * c-opts.c (c_diagnostic_finalizer): Add diagnostic_t param.
5363
8cca0163
JJ		 53642018-11-14 Jakub Jelinek <jakub@redhat.com>
5365
8ee09943
JJ		 5366 P1236R1 - Signed integers are two's complement
5367 * c-warn.c (maybe_warn_shift_overflow): Don't warn for c++2a.
5368 * c-ubsan.c (ubsan_instrument_shift): Make signed shifts
5369 with in-range second operand well defined for -std=c++2a.
5370
8cca0163
JJ		 5371 PR other/88007
5372 * c-common.c (parse_optimize_options): Allocate option string from
5373 opts_obstack rather than as GC memory. Move the allocation after
5374 warning for invalid option.
5375
620e594b
DM		 53762018-11-13 David Malcolm <dmalcolm@redhat.com>
5377
5378 * c-common.c (c_get_substring_location): Update for renaming of
5379 get_source_location_for_substring to get_location_within_string.
5380 * c-lex.c: Replace "source_location" with "location_t".
5381 * c-opts.c: Likewise.
5382 * c-ppoutput.c: Likewise.
5383
f9731de3
MS		 53842018-11-13 Martin Sebor <msebor@redhat.com>
5385
5386 PR middle-end/81824
5387 * c-attribs.c (handle_copy_attribute): Exclude inlining attributes.
5388 (handle_tls_model_attribute): Improve diagnostics.
5389
e4bd6d5e
JM		 53902018-11-12 Jason Merrill <jason@redhat.com>
5391
a6bb6b07
JM		 5392 * c-cppbuiltin.c (c_cpp_builtins): Define
5393 __cpp_impl_destroying_delete.
5394
e4bd6d5e
JM		 5395 * c-cppbuiltin.c (c_cpp_builtins): Change __cpp_explicit_bool to
5396 __cpp_conditional_explicit.
5397
79a2c428
MS		 53982018-11-09 Martin Sebor <msebor@redhat.com>
5399
5400 PR middle-end/81824
5401 * c-attribs.c (handle_copy_attribute): New function.
5402
4c7bd361
MS		 54032018-11-09 Martin Sebor <msebor@redhat.com>
5404
5405 PR c/87795
5406 * c-common.c (check_user_alignment): Use MAX_OFILE_ALIGNMENT.
5407
28567c40
JJ		 54082018-11-08 Jakub Jelinek <jakub@redhat.com>
5409
5410 * c-common.h (c_finish_omp_taskgroup): Add CLAUSES argument.
5411 (c_finish_omp_atomic): Replace bool SEQ_CST argument with
5412 enum omp_memory_order MEMORY_ORDER.
5413 (c_finish_omp_flush): Add MO argument.
5414 (c_omp_depend_t_p, c_finish_omp_depobj): Declare.
5415 (c_finish_omp_for): Add FINAL_P argument.
5416 * c-omp.c: Include memmodel.h.
5417 (c_finish_omp_taskgroup): Add CLAUSES argument. Set
5418 OMP_TASKGROUP_CLAUSES to it.
5419 (c_finish_omp_atomic): Replace bool SEQ_CST argument with
5420 enum omp_memory_order MEMORY_ORDER. Set OMP_ATOMIC_MEMORY_ORDER
5421 instead of OMP_ATOMIC_SEQ_CST.
5422 (c_omp_depend_t_p, c_finish_omp_depobj): New functions.
5423 (c_finish_omp_flush): Add MO argument, if not MEMMODEL_LAST, emit
5424 __atomic_thread_fence call with the given value.
5425 (check_omp_for_incr_expr): Formatting fixes.
5426 (c_finish_omp_for): Add FINAL_P argument. Allow NE_EXPR
5427 even in OpenMP loops, diagnose if NE_EXPR and incr expression
5428 is not constant expression 1 or -1. Transform NE_EXPR loops
5429 with iterators pointers to VLA into LT_EXPR or GT_EXPR loops.
5430 (c_omp_check_loop_iv_r): Look for orig decl of C++ range for
5431 loops too.
5432 (c_omp_split_clauses): Add support for combined
5433 #pragma omp parallel master and
5434 #pragma omp {,parallel }master taskloop{, simd} constructs.
5435 Handle OMP_CLAUSE_IN_REDUCTION. Handle OMP_CLAUSE_REDUCTION_TASK.
5436 Handle OMP_CLAUSE_NONTEMPORAL. Handle splitting OMP_CLAUSE_IF
5437 also to OMP_SIMD. Copy OMP_CLAUSE_LASTPRIVATE_CONDITIONAL.
5438 (c_omp_predetermined_sharing): Don't return
5439 OMP_CLAUSE_DEFAULT_SHARED for const qualified decls.
5440 * c-pragma.c (omp_pragmas): Add PRAGMA_OMP_DEPOBJ and
5441 PRAGMA_OMP_REQUIRES.
5442 * c-pragma.h (enum pragma_kind): Likewise.
5443 (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_NONTEMPORAL
5444 and PRAGMA_OMP_CLAUSE_{IN,TASK}_REDUCTION.
5445
204839e7
DM		 54462018-11-08 David Malcolm <dmalcolm@redhat.com>
5447
5448 * c-format.c (gcc_dump_printf_char_table): Add entry for %f.
5449
d8010ee4
DM		 54502018-11-08 David Malcolm <dmalcolm@redhat.com>
5451
5452 * c-format.c (local_cgraph_node_ptr_node): New variable.
5453 (gcc_dump_printf_char_table): Add entry for %C.
5454 (get_pointer_to_named_type): New function, taken from the handling
5455 code for "gimple *" from...
5456 (init_dynamic_diag_info): ...here. Add handling for
5457 "cgraph_node *".
5458 * c-format.h (T_CGRAPH_NODE): New.
5459
4be5c72c
JM		 54602018-10-19 Jason Merrill <jason@redhat.com>
5461
5462 * c-cppbuiltin.c (c_cpp_builtins): Add
5463 __cpp_nontype_template_parameter_class.
5464
f3f6029d
NS		 54652018-10-31 Nathan Sidwell <nathan@acm.org>
5466
ab5324fb
NS		 5467 * c-opts.c (c_finish_options): Force command line macro
5468 location. Refactor to avoid repeating main debug hook.
5469 (push_command_line_include): Clarify comment.
5470
f3f6029d
NS		 5471 * c-opts.c (c_finish_options): Adjust cpp_force_token_locations call.
5472
91e3ec29
MS		 54732018-10-30 Martin Sebor <msebor@redhat.com>
5474
5475 PR middle-end/87041
5476 * c-format.c (check_format_types): Avoid diagnosing null pointer
5477 arguments to printf-family of functions.
5478
b5ff4f5c
MP		 54792018-10-30 Marek Polacek <polacek@redhat.com>
5480
5481 Implement P0892R2, explicit(bool).
5482 * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_explicit_bool.
5483
7e2de6df
DM		 54842018-10-29 David Malcolm <dmalcolm@redhat.com>
5485
5486 * name-hint.h (name_hint::take_deferred): New member function.
5487
b2bf438c
DM		 54882018-10-29 David Malcolm <dmalcolm@redhat.com>
5489
5490 PR c++/56856
5491 * c-common.c (check_function_sentinel): Call fold_for_warn on the
5492 argument.
5493 (check_function_restrict): Rename param "argarray" to
5494 "unfolded_argarray", and make a copy named "argarray", calling
5495 fold_for_warn on each argument.
5496 (check_function_arguments): Add note about responsibility for
5497 folding the arguments.
5498
9f936c86
JM		 54992018-10-17 Joseph Myers <joseph@codesourcery.com>
5500
5501 * c-common.c (flag_isoc2x): New variable.
5502 * c-common.h (clk_c): Update comment to reference C2X.
5503 (flag_isoc99, flag_isoc11): Update comments to reference future
5504 standard versions in general.
5505 (flag_isoc2x): Declare.
5506 * c-opts.c (set_std_c2x): New function.
5507 (c_common_handle_option): Handle -std=c2x and -std=gnu2x.
5508 (set_std_c89, set_std_c99, set_std_c11, set_std_c17): Set
5509 flag_isoc2x to 0.
5510 * c.opt (Wc11-c2x-compat, std=c2x, std=gnu2x): New options.
5511
7a8a92c4
JM		 55122018-10-17 Joseph Myers <joseph@codesourcery.com>
5513
5514 * c.opt (std=c17, std=c18, std=gnu17, std=gnu18, std=iso9899:2017)
5515 (std=iso9899:2018): Document C17 as published in 2018.
5516
4dc003ff
CL		 55172018-10-12 Christophe Lyon <christophe.lyon@linaro.org>
5518
5519 PR c++/87364
5520 * c-pretty-print.c (c_pretty_printer::constant): Fix typo.
5521
79371671
WW		 55222018-10-11 Will Wray <wjwray@gmail.com>
5523
5524 PR c++/87364
5525 * c-pretty-print.h (pp_c_type_cast): Prototype.
5526 (pp_c_integer_constant): Likewise.
5527 * c-pretty-print.c (pp_c_type_cast): No longer static.
5528 (pp_c_integer_constant): Likewise.
5529 (pp_c_enumeration_constant): Fix loop termination when finding
5530 name of constant. No longer returns a value. Call
5531 pp_c_integer_constant.
5532 (c_pretty_printer::constant): Update for changes to
5533 pp_c_enumeration_constant.
5534
46c62690
JJ		 55352018-10-11 Jakub Jelinek <jakub@redhat.com>
5536
5537 * c-lex.c (c_common_has_attribute): Return 201803 instead of 20180312
5538 for no_unique_address.
5539
c24300ba
DM		 55402018-10-09 David Malcolm <dmalcolm@redhat.com>
5541
5542 * c-common.c (c_option_controlling_cpp_error): Rename to...
5543 (c_option_controlling_cpp_diagnostic): ...this, and convert
5544 "reason" from int to enum.
5545 (c_cpp_error): Rename to...
5546 (c_cpp_diagnostic): ...this, converting level and reason to enums.
5547 * c-common.h (c_cpp_error): Rename to...
5548 (c_cpp_diagnostic): ...this, converting level and reason to enums.
5549 * c-opts.c (c_common_init_options): Update for renaming.
5550
8656dafa
RS		 55512018-10-08 Richard Sandiford <richard.sandiford@arm.com>
5552
5553 PR c/87286
5554 * c-common.c (vector_types_compatible_elements_p): Use
5555 INTEGRAL_TYPE_P instead of checking only for INTEGER_TYPE.
5556
8cff0652
VK		 55572018-10-04 Vinay Kumar <vinay.kumar@blackfigtech.com>
5558
5559 * c-attribs.c (get_priority): Add a warning flag warn_prio_ctor_dtor
5560 to generate constructor destructor priority warning.
5561 * c.opt (-Wprio-ctor-dtor): New option.
5562
bedf03a2
JM		 55632018-10-01 Jason Merrill <jason@redhat.com>
5564
5565 * c-lex.c (c_common_has_attribute): Add no_unique_address.
5566
6cc430c1
EB		 55672018-10-01 Eric Botcazou <ebotcazou@adacore.com>
5568
5569 * c-ada-spec.c (get_underlying_decl): Get to the main type variant.
5570 (dump_ada_node): Add const keyword.
5571
87677ac7
ML		 55722018-09-25 Martin Liska <mliska@suse.cz>
5573
5574 * c-common.c (c_common_truthvalue_conversion):
5575 Remove Pascal from documentation.
5576
518196cb
EB		 55772018-09-21 Eric Botcazou <ebotcazou@adacore.com>
5578
5579 * c-ada-spec.c: Include diagnostic.h.
5580 (dump_ada_declaration) <RECORD_TYPE>: Issue a warning on packed layout.
5581
a599af84
MP		 55822018-09-19 Marek Polacek <polacek@redhat.com>
5583
5584 * c.opt (Wclass-conversion): New.
5585
9c4a4b3c
DM		 55862018-09-17 David Malcolm <dmalcolm@redhat.com>
5587
5588 * c-format.c (range_label_for_format_type_mismatch::get_text):
5589 Update for new param.
5590
c896ecfe
DM		 55912018-09-17 David Malcolm <dmalcolm@redhat.com>
5592
5593 * c-format.c (format_warning_at_char): Update for introduction of
5594 format_string_diagnostic_t.
5595 (format_type_warning): Likewise.
5596
80c6d1f4
MJ		 55972018-09-17 Martin Jambor <mjambor@suse.cz>
5598
5599 PR c/63886
5600 * c.opt (Wabsolute-value): New.
5601
6d900107
BE		 56022018-09-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
5603
5604 * c-common.c (complete_flexible_array_elts): New helper function.
5605 * c-common.h (complete_flexible_array_elts): Declare.
5606
b5764229
BE		 56072018-09-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
5608
5609 * c-common.c (braced_list_to_string): Remove eval parameter.
5610 Add some more checks. Always create zero-terminated STRING_CST.
5611 * c-common.h (braced_list_to_string): Adjust prototype.
5612
85204e23
DM		 56132018-08-27 David Malcolm <dmalcolm@redhat.com>
5614
5615 PR 87091
5616 * c-common.c (c_cpp_error): Update for conversion of show_caret_p
5617 to a tri-state.
5618 (maybe_suggest_missing_token_insertion): Likewise.
5619 (maybe_add_include_fixit): Add param "override_location". If set,
5620 and source-printing is enabled, then override the rich_location's
5621 primary location with that of the insertion point for the fix-it
5622 hint, marking it with SHOW_LINES_WITHOUT_RANGE.
5623 * c-common.h (extern void maybe_add_include_fixit): Add bool
5624 param.
5625 * c-format.c (selftest::test_type_mismatch_range_labels): Update
5626 for conversion of show_caret_p to a tri-state.
5627 * c-warn.c (warn_for_restrict): Likewise.
5628 * known-headers.cc
5629 (suggest_missing_header::~suggest_missing_header): Update call to
5630 maybe_add_include_fixit to suggest overriding the location, as it
5631 is for a note.
5632
3d78e008
ML		 56332018-08-27 Martin Liska <mliska@suse.cz>
5634
5635 * c-common.c (check_function_restrict): Use new function
92a285c1
ML		 5636 fndecl_built_in_p and remove check for FUNCTION_DECL if
5637 possible.
3d78e008
ML		 5638 (check_builtin_function_arguments): Likewise.
5639 (reject_gcc_builtin): Likewise.
5640 * c-warn.c (sizeof_pointer_memaccess_warning): Likewise.
5641
b5be6d0c
MP		 56422018-08-26 Marek Polacek <polacek@redhat.com>
5643
5644 PR c++/87029, Implement -Wredundant-move.
5645 * c.opt (Wredundant-move): New option.
5646
79ca9c35
MP		 56472018-08-21 Marek Polacek <polacek@redhat.com>
5648
5649 PR c++/86981, Implement -Wpessimizing-move.
5650 * c.opt (Wpessimizing-move): New option.
5651
097f82ec
DM		 56522018-08-20 David Malcolm <dmalcolm@redhat.com>
5653
5654 PR other/84889
5655 * c-attribs.c (common_handle_aligned_attribute): Add
5656 auto_diagnostic_group instance.
5657 * c-indentation.c (warn_for_misleading_indentation): Likewise.
5658 * c-opts.c (c_common_post_options): Likewise.
5659 * c-warn.c (warn_logical_not_parentheses): Likewise.
5660 (warn_duplicated_cond_add_or_warn): Likewise.
5661 (warn_for_multistatement_macros): Likewise.
5662
3fb558b1
NS		 56632018-08-20 Nathan Sidwell <nathan@acm.org>
5664
5665 * c-ada-spec.c (macro_length, dump_ada_macros): Adjust macro parm
5666 access.
5667
800c0e98
NS		 56682018-08-17 Nathan Sidwell <nathan@acm.org>
5669
5670 * c-cppbuiltin.c (struct lazy_hex_fp_value_struct): Remove macro
5671 field.
5672 (laxy_hex_fp_value_count): Make unsigned.
5673 (lazy_hex_fp_value): Provided with macro & lazy number. Directly
5674 manipulate the macro.
5675 (builtin_defin_with_hex_fp_value): Adjust callback name, use
5676 cpp_define_lazily.
5677
6f795a92
DM		 56782018-08-17 David Malcolm <dmalcolm@redhat.com>
5679
5680 * c-format.c (enum format_type): Add gcc_dump_printf_format_type.
5681 (gcc_dump_printf_length_specs): New.
5682 (gcc_dump_printf_flag_pairs): New.
5683 (gcc_dump_printf_flag_specs): New.
5684 (gcc_dump_printf_char_table): New.
5685 (format_types_orig): Add entry for "gcc_dump_printf".
5686 (init_dynamic_diag_info): Set up length_char_specs and
5687 conversion_specs for gcc_dump_printf_format_type.
5688 (handle_format_attribute): Handle gcc_dump_printf_format_type.
5689
c5d725c0
NS		 56902018-08-17 Nathan Sidwell <nathan@acm.org>
5691
10f04917
NS		 5692 * c-ada-spec.c (macro_length, dump_ada_macros): Constify.
5693
c5d725c0
NS		 5694 * c-ada-spec.c: Don't #include "cpp-id-data.h"
5695 * c-cppbuiltin.c: Likewise.
5696
c0c12356
ML		 56972018-08-17 Martin Liska <mliska@suse.cz>
5698
5699 * c.opt: Remove Warn, Init and Report for options with
92a285c1
ML		 5700 Ignore/Deprecated flag. Warning is done automatically for
5701 Deprecated flags.
c0c12356 5702
10fcc142
DM		 57032018-08-16 David Malcolm <dmalcolm@redhat.com>
5704
5705 PR c++/70693
5706 * c-common.c (selftest::c_family_tests): Call
5707 selftest::c_indentation_c_tests.
5708 * c-common.h (selftest::c_indentation_c_tests): New decl.
5709 * c-indentation.c: Include "selftest.h".
5710 (next_tab_stop): Add "tab_width" param, rather than accessing
5711 cpp_opts.
5712 (get_visual_column): Likewise. Clarify comment. Bulletproof
5713 against reading past the end of the line.
5714 (get_first_nws_vis_column): Add "tab_width" param.
5715 (detect_intervening_unindent): Likewise.
5716 (should_warn_for_misleading_indentation): Read tab width from
5717 cpp_opts and pass around.
5718 (selftest::test_next_tab_stop): New test.
5719 (selftest::assert_get_visual_column_succeeds): New function.
5720 (ASSERT_GET_VISUAL_COLUMN_SUCCEEDS): New macro.
5721 (selftest::assert_get_visual_column_fails): New function.
5722 (ASSERT_GET_VISUAL_COLUMN_FAILS): New macro.
5723 (selftest::test_get_visual_column): New test.
5724 (selftest::c_indentation_c_tests): New function.
5725
3f6677f4
NS		 57262018-08-16 Nathan Sidwell <nathan@acm.org>
5727
5728 * c-ada-spec.c (count_ada_macro): Use cpp_user_macro_p.
5729 (store_ada_macro): Likewise.
5730 * c-ppoutput.c (cb_used_define, dump_macro): Likewise.
5731 * c-spellcheck.cc (should-suggest_as_macro_p): Likewise,
5732
96e6ae57
DM		 57332018-08-15 David Malcolm <dmalcolm@redhat.com>
5734
5735 * c-format.c: Include "selftest-diagnostic.h" and
5736 "gcc-rich-location.h".
5737 (format_warning_at_char): Pass NULL for new label params of
5738 format_warning_va.
5739 (class indirection_suffix): New class.
5740 (class range_label_for_format_type_mismatch): New class.
5741 (format_type_warning): Move logic for generating "*" suffix to
5742 class indirection_suffix. Create "fmt_label" and "param_label"
5743 to show their types, and pass them to the
5744 format_warning_at_substring calls.
5745 (selftest::test_type_mismatch_range_labels): New test.
5746 (selftest::c_format_c_tests): Call it.
5747
23aa9f7c
MS		 57482018-08-13 Martin Sebor <msebor@redhat.com>
5749
5750 PR tree-optimization/71625
5751 * c-common.c (braced_list_to_string): New function.
5752 * c-common.h (braced_list_to_string): Declare it.
5753
f10a9135
NS		 57542018-08-08 Nathan Sidwell <nathan@acm.org>
5755
5756 * c-common.c (try_to_locate_new_include_inertion_point): Use
5757 linemap_included_from_linemap.
5758 * c-lex.c (fe_file_change): Use linemap_included_from.
5759 * c-ppoutput.c (pp_file_change): Likewise.
5760
8a45b051
MS		 57612018-08-01 Martin Sebor <msebor@redhat.com>
5762
5763 PR tree-optimization/86650
ab20d992 5764 * c-format.c (gcc_tdiag_char_table): Update comment for "%G".
8a45b051
MS		 5765 (gcc_cdiag_char_table, gcc_cxxdiag_char_table): Same.
5766 (init_dynamic_diag_info): Update from "gcall *" to "gimple *".
5767 * c-format.h (T89_G): Update to be "gimple *" rather than
5768 "gcall *".
5769 (local_gcall_ptr_node): Rename...
5770 (local_gimple_ptr_node): ...to this.
5771
e540ccc0
DM		 57722018-07-31 David Malcolm <dmalcolm@redhat.com>
5773
5774 * c-format.c (PP_FORMAT_CHAR_TABLE): New macro, based on existing
5775 table entries for gcc_diag_char_table, and the 'Z' entry from
5776 gcc_tdiag_char_table, changing the "chain" entry for 'Z' from
5777 &gcc_tdiag_char_table[0] to &gcc_diag_char_table[0].
5778 (gcc_diag_char_table): Use PP_FORMAT_CHAR_TABLE, implicitly
5779 adding missing "Z" for this table. Remove erroneous "G" and "K"
5780 entries.
5781 (gcc_tdiag_char_table): Use PP_FORMAT_CHAR_TABLE. Remove "v".
5782 (gcc_cdiag_char_table): Use PP_FORMAT_CHAR_TABLE.
5783 (gcc_cxxdiag_char_table): Use PP_FORMAT_CHAR_TABLE. Remove "v".
5784
425fc685
RE		 57852018-07-31 Richard Earnshaw <rearnsha@arm.com>
5786
5787 * c-common.c (speculation_safe_resolve_call): New function.
5788 (speculation_safe_resolve_params): New function.
5789 (speculation_safe_resolve_return): New function.
5790 (resolve_overloaded_builtin): Handle __builtin_speculation_safe_value.
5791 * c-cppbuiltin.c (c_cpp_builtins): Add pre-define for
5792 __HAVE_SPECULATION_SAFE_VALUE.
5793
181463c2
DM		 57942018-07-20 David Malcolm <dmalcolm@redhat.com>
5795
5796 * c-common.c (c_cpp_error): Remove redundant "line_table"
5797 parameter from call to rich_location::set_range.
5798 (maybe_suggest_missing_token_insertion): Likewise.
5799
0d7f9065
MS		 58002018-07-20 Martin Sebor <msebor@redhat.com>
5801
5802 PR middle-end/82063
ab20d992 5803 * c.opt (-Warray-bounds): Remove redundant -Wall.
0d7f9065 5804
00abf86c
MS		 58052018-07-20 Martin Sebor <msebor@redhat.com>
5806
5807 PR middle-end/82063
5808 * c-common.h (c_common_handle_option): Change function argument
5809 to HOST_WIDE_INT.
5810 * c-opts.c (c_common_init_options): Same.
5811 (c_common_handle_option): Same. Remove special handling of
5812 OPT_Walloca_larger_than_ and OPT_Wvla_larger_than_.
5813 * c.opt (-Walloc-size-larger-than, -Walloca-larger-than): Change
5814 options to take a HOST_WIDE_INT argument and accept a byte-size
5815 suffix. Initialize.
5816 (-Wvla-larger-than): Same.
5817 (-Wno-alloc-size-larger-than, -Wno-alloca-larger-than): New.
5818 (-Wno-vla-larger-than): Same.
5819
9b452033
JJ		 58202018-07-12 Jakub Jelinek <jakub@redhat.com>
5821
5822 * c-attribs.c (c_common_attribute_table): Add
5823 "omp declare target implicit" attribute.
5824
cd0762f3
RB		 58252018-07-12 Richard Biener <rguenther@suse.de>
5826
5827 PR c/86453
5828 * c-attribs.c (handle_packed_attribute): Do not build a variant
5829 type with TYPE_PACKED, instead ignore the attribute if we may
5830 not apply to the original type.
5831
0b27c3ed
JJ		 58322018-07-10 Jakub Jelinek <jakub@redhat.com>
5833
5834 PR c++/86443
5835 * c-omp.c (c_omp_check_loop_iv_r, c_omp_check_loop_iv): Allow declv
5836 to contain TREE_LIST for both the original class iterator and the
5837 "last" helper var.
5838
e730a0ef
EB		 58392018-07-07 Eric Botcazou <ebotcazou@adacore.com>
5840
5841 * c-ada-spec.c (to_ada_name): Remove index parameter.
5842 (pp_ada_tree_identifier): Likewise.
5843 (dump_ada_macros): Adjust call to to_ada_name.
5844 (struct overloaded_name_hash): Delete.
5845 (struct overloaded_name_hasher): Likewise.
5846 (overloaded_names): Likewise.
5847 (compute_overloading_index): Likewise.
5848 (dump_ada_decl_name): Do not call compute_overloading_index and
5849 adjust calls to pp_ada_tree_identifier.
5850 (dump_ada_double_name): Adjust calls to pp_ada_tree_identifier.
5851 (dump_ada_import): Add spc parameter and switch to aspect syntax.
5852 (dump_ada_function_declaration): Adjust call to pp_ada_tree_identifier.
5853 (dump_ada_enum_type): Remove type and display_convention parameters.
5854 Adjust calls to pp_ada_tree_identifier.
5855 (dump_ada_node): Likewise and for dump_ada_structure.
5856 (dump_nested_type) <ENUMERAL_TYPE>: Adjust call to dump_ada_enum_type
5857 and tidy up.
5858 <RECORD_TYPE>: Adjust call to dump_ada_structure and switch to aspect
5859 syntax.
5860 (print_constructor): Adjust call to pp_ada_tree_identifier.
5861 (print_destructor): Likewise.
5862 (dump_ada_declaration): Switch to aspect syntax.
5863 (dump_ada_structure): Likewise and tidy up. Replace display_convention
5864 parameter with nested parameter.
5865 (dump_ads): Emit pragma Ada_2012 in lieu of pragma Ada_2005.
5866 (dump_ada_specs): Do not delete overloaded_names table.
5867
8de583fc
PB		 58682018-07-06 Peter Bergner <bergner@linux.ibm.com>
5869
5870 PR target/86324
e730a0ef 5871 * c-attribs.c (handle_mode_attribute): Call translate_mode_attribute
8de583fc
PB		 5872 target hook.
5873
09cff37b
NS		 58742018-07-05 Nathan Sidwell <nathan@acm.org>
5875
5876 * c-lex.c (fe_file_change): Check SYSTEM_IMPLICIT_EXTERN_C not
5877 NO_IMPLICIT_EXTERN_C.
5878
98086b2b
ML		 58792018-06-28 Martin Liska <mliska@suse.cz>
5880
5881 * cppspec.c: Include opt-suggestions.h.
5882
ab20d992
JJ		 58832018-06-20 Chung-Lin Tang <cltang@codesourcery.com>
5884 Thomas Schwinge <thomas@codesourcery.com>
829c6349
CLT		 5885 Cesar Philippidis <cesar@codesourcery.com>
5886
5887 * c-pragma.h (enum pragma_omp_clause): Add
5888 PRAGMA_OACC_CLAUSE_{FINALIZE,IF_PRESENT}. Remove
5889 PRAGMA_OACC_CLAUSE_PRESENT_OR_{COPY,COPYIN,COPYOUT,CREATE}.
5890
f41b7612
JJ		 58912018-06-20 Jakub Jelinek <jakub@redhat.com>
5892
5893 PR c++/86210
5894 * c-common.c (check_nonnull_arg): Use fold_for_warn. Adjust obsolete
5895 comment.
5896
4252ccd7
MS		 58972018-06-18 Martin Sebor <msebor@redhat.com>
5898
5899 PR middle-end/85602
5900 * c-warn.c (sizeof_pointer_memaccess_warning): Check for attribute
5901 nonstring.
5902
e197e64e
KV		 59032018-06-16 Kugan Vivekanandarajah <kuganv@linaro.org>
5904
5905 * c-common.c (c_common_truthvalue_conversion): Handle ABSU_EXPR.
5906
34a7a230
JM		 59072018-06-13 Jason Merrill <jason@redhat.com>
5908
5cef3733
JM		 5909 * c-opts.c (c_common_post_options): Warn about useless -Wabi.
5910 (c_common_handle_option) [OPT_Wabi_]: Remove flag_abi_compat_version
5911 handling.
5912
34a7a230
JM		 5913 PR c++/86094 - wrong code with defaulted move ctor.
5914 * c-opts.c (c_common_post_options): Bump the current ABI version to
5915 13. Set warn_abi_version and flag_abi_compat_version to the current
5916 version rather than 0. Fix defaulting flag_abi_compat_version from
5917 warn_abi_version.
5918
bb0f14ae
MS		 59192018-06-12 Martin Sebor <msebor@redhat.com>
5920
5921 PR c/85931
5922 * c-warn.c (sizeof_pointer_memaccess_warning): Avoid warning when
5923 sizeof source and destination yields the same value.
5924
3713f2e2
ML		 59252018-06-12 Martin Liska <mliska@suse.cz>
5926
5927 * c.opt: Make MPX-related options as Deprecated.
5928
4af78ef8
DM		 59292018-06-08 David Malcolm <dmalcolm@redhat.com>
5930
5931 * c-pretty-print.c (c_pretty_printer::statement): Use TDF_NONE
5932 rather than 0.
5933
31db0fe0
ML		 59342018-06-08 Martin Liska <mliska@suse.cz>
5935
5936 * c-attribs.c (handle_bnd_variable_size_attribute): Remove support
5937 for MPX (macros, related functions, fields in cgraph_node, ...).
5938 (handle_bnd_legacy): Likewise.
5939 (handle_bnd_instrument): Likewise.
5940 * c.opt: Likewise.
5941
fe16acf2
JJ		 59422018-06-06 Jakub Jelinek <jakub@redhat.com>
5943
5944 PR c++/86068
5945 * c-cppbuiltin.c (c_cpp_builtins): Fix a typo, set
5946 __cpp_transactional_memory to 201500 instead of 210500.
5947
4dbdb49b
JM		 59482018-06-06 Jason Merrill <jason@redhat.com>
5949
5950 PR c++/85710 - ICE with -Wmemset-elt-size.
5951 * c-warn.c (warn_for_memset): Don't crash on incomplete element type.
5952
f8ad043f
JM		 59532018-06-01 Jason Merrill <jason@redhat.com>
5954
5955 * c-cppbuiltin.c (c_cpp_builtins): Bump __cpp_deduction_guides to
5956 201703.
5957
abc24d93
EB		 59582018-06-01 Eric Botcazou <ebotcazou@adacore.com>
5959
5960 * c-ada-spec.c (dump_ada_declaration) <TYPE_DECL>: Generate a forward
5961 declaration for a typedef independently of whether the declaration of
5962 the subtype is generated.
5963
d258f4aa
MS		 59642018-05-31 Martin Sebor <msebor@redhat.com>
5965
5966 PR c/82063
5967 * c.opt (-Wno-alloc-size-larger-than): New option.
5968
b67b9225
DP		 59692018-04-22 David Pagan <dave.pagan@oracle.com>
5970
5971 PR c/55976
5972 * c-opts.c (c_common_post_options): Set default for warn_return_type
ab20d992 5973 for C++/C++ with ObjC extensions only. For C, makes it possible to
b67b9225
DP		 5974 differentiate between default (no option), -Wreturn-type, and
5975 -Wno-return-type.
5976
04eb9c55
JM		 59772018-05-29 Jason Merrill <jason@redhat.com>
5978
5979 * c.opt (Winit-list-lifetime): New flag.
5980
b0c31bc6
BE		 59812018-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
5982
5983 * c-lex.c (get_fileinfo): Use splay_tree_compare_strings and
5984 splay_tree_delete_pointers.
5985
44284983
JJ		 59862018-05-26 Jakub Jelinek <jakub@redhat.com>
5987
5988 PR bootstrap/85921
5989 * c-warn.c (diagnose_mismatched_attributes): Remove unnecessary
5990 noinline variable to workaround broken kernel headers.
5991
b46b715d
JM		 59922018-05-18 Jason Merrill <jason@redhat.com>
5993
5994 * c.opt (Wdeprecated-copy): New flag.
5995
40659769
ML		 59962018-05-17 Martin Liska <mliska@suse.cz>
5997
5998 * c-warn.c (overflow_warning): Do not use
5999 space in between 'G_' and '('.
6000
403962ea
JM		 60012018-05-09 Jason Merrill <jason@redhat.com>
6002
6003 * c-common.c (valid_array_size_p): Add complain parameter.
6004 * c-common.h: ...which defaults to true.
6005
1c9ee609
JJ		 60062018-05-11 Jakub Jelinek <jakub@redhat.com>
6007
6008 PR c/85696
6009 * c-omp.c (c_omp_predetermined_sharing): Return
6010 OMP_CLAUSE_DEFAULT_SHARED for artificial vars with integral type.
6011
19916065
ML		 60122018-05-11 Martin Liska <mliska@suse.cz>
6013
92a285c1 6014 PR sanitizer/85556
19916065
ML		 6015 * c-attribs.c (handle_no_sanitize_attribute): Iterate all
6016 TREE_LIST values.
6017
79e7b1fe
JJ		 60182018-05-10 Jakub Jelinek <jakub@redhat.com>
6019
6020 PR c++/85662
6021 * c-common.h (fold_offsetof_1): Removed.
6022 (fold_offsetof): Add TYPE argument defaulted to size_type_node and
6023 CTX argument defaulted to ERROR_MARK.
6024 * c-common.c (fold_offsetof_1): Renamed to ...
6025 (fold_offsetof): ... this. Remove wrapper function. Add TYPE
6026 argument, convert the pointer constant to TYPE and use size_binop
6027 with PLUS_EXPR instead of fold_build_pointer_plus if type is not
6028 a pointer type. Adjust recursive calls.
6029
86c12f76
EB		 60302018-05-10 Eric Botcazou <ebotcazou@adacore.com>
6031
6032 PR c++/85400
6033 * c-attribs.c (handle_visibility_attribute): Do not set no_add_attrs.
6034
ee336e84
NS		 60352018-05-07 Nathan Sidwell <nathan@acm.org>
6036
6037 * c.opt (ffor-scope): Remove functionality, issue warning.
6038
6c072e21
NS		 60392018-05-03 Nathan Sidwell <nathan@acm.org>
6040
6041 * c.opt (ffriend-injection): Remove functionality, issue warning.
6042
2cc7d3a7
DM		 60432018-05-01 David Malcolm <dmalcolm@redhat.com>
6044
6045 PR c/84258
6046 * c-format.c (struct format_check_results): Add field
6047 "number_non_char".
6048 (check_format_info): Initialize it, and warn if encountered.
6049 (check_format_arg): Distinguish between wide char and
6050 everything else when detecting arrays of non-char.
6051
7761dfbe
DM		 60522018-04-30 David Malcolm <dmalcolm@redhat.com>
6053
6054 * c-format.c (get_corrected_substring): Update for
6055 location_get_source_line returning a char_span. Use a char_span
6056 when handling the prefix of the correction.
6057 * c-indentation.c (get_visual_column): Update for
6058 location_get_source_line returning a char_span.
6059 (get_first_nws_vis_column): Likewise.
6060
62e98ef1
DM		 60612018-03-29 David Malcolm <dmalcolm@redhat.com>
6062
6063 PR c++/84269
6064 * known-headers.cc (get_stdlib_header_for_name): Add various names
6065 from <assert.h>, <string.h>, and <memory.h>; add more names from
6066 <stdio.h>.
6067
a7dea617
JJ		 60682018-03-27 Jakub Jelinek <jakub@redhat.com>
6069
6070 PR c++/85061
6071 * c-common.c (fold_offsetof_1) <case COMPOUND_EXPR>: Assert that
6072 get_base_address of the second operand is a VAR_P, rather than the
6073 operand itself, and use gcc_checking_assert instead of gcc_assert.
6074
889a3a30
MP		 60752018-03-23 Marek Polacek <polacek@redhat.com>
6076
6077 PR c++/85045
6078 * c-pretty-print.c (c_pretty_printer::multiplicative_expression)
6079 <case RDIV_EXPR>: Tweak condition.
6080
452154b9
EB		 60812018-03-20 Eric Botcazou <ebotcazou@adacore.com>
6082
6083 * c-ada-spec.c (pp_ada_tree_identifier): Deal specifically with _Bool.
6084
63ecb626
JJ		 60852018-03-16 Jakub Jelinek <jakub@redhat.com>
6086
ce811fc4
JJ		 6087 PR c/84909
6088 * c-warn.c (conversion_warning): Replace "to to" with "to" in
6089 diagnostics.
6090
63ecb626
JJ		 6091 PR c/84910
6092 * c-warn.c (diagnose_mismatched_attributes): Remove trailing space from
6093 diagnostics.
6094
a1295eec
RB		 60952018-03-16 Richard Biener <rguenther@suse.de>
6096
6097 PR c/84873
6098 * c-gimplify.c (c_gimplify_expr): Revert previous change. Instead
6099 unshare the possibly folded expression.
6100
919674fb
RB		 61012018-03-15 Richard Biener <rguenther@suse.de>
6102
6103 PR c/84873
6104 * c-gimplify.c (c_gimplify_expr): Do not fold expressions.
6105
f99309b2
MS		 61062018-03-13 Martin Sebor <msebor@redhat.com>
6107
6108 PR tree-optimization/84725
6109 * c-attribs.c (handle_nonstring_attribute): Allow attribute nonstring
6110 with all three narrow character types, including their qualified forms.
6111
e9b9fa4c
MS		 61122018-03-12 Martin Sebor <msebor@redhat.com>
6113
6114 PR tree-optimization/83456
ab20d992 6115 * c-common.c (check_function_restrict): Return bool.
e9b9fa4c
MS		 6116 Restore checking of bounded built-in functions.
6117 (check_function_arguments): Also return the result
6118 of warn_for_restrict.
ab20d992
JJ		 6119 * c-common.c (check_function_restrict): Return bool.
6120 * c-warn.c (warn_for_restrict): Return bool.
e9b9fa4c 6121
0805d020
MP		 61222018-03-02 Marek Polacek <polacek@redhat.com>
6123
6124 PR c++/84171
6125 * c-warn.c (warn_for_sign_compare): Bail out if any of the operands
6126 is erroneous.
6127
ed2a2f08
TS		 61282018-03-02 Thomas Schwinge <thomas@codesourcery.com>
6129
6130 * c-attribs.c (c_common_attribute_table): Remove "cilk simd
6131 function".
6132
90abdde0
MP		 61332018-03-01 Marek Polacek <polacek@redhat.com>
6134
6135 PR c++/84639
6136 * c-attribs.c (common_handle_aligned_attribute): Don't use invalid
6137 alignment in computation.
6138
c6db43fa
EB		 61392018-02-28 Eric Botcazou <ebotcazou@adacore.com>
6140
6141 * c-ada-spec.c (dump_ada_node) <NULLPTR_TYPE>: New case.
6142 <REAL_TYPE>: Deal specifically with _Float128/__float128.
6143
9e25c7ed
EB		 61442018-02-28 Eric Botcazou <ebotcazou@adacore.com>
6145
6146 * c-ada-spec.c (dump_ada_double_name) <ENUMERAL_TYPE>: New case.
6147 (is_char_array): Take a type instead of a declaration.
6148 (dump_ada_array_type): Likewise.
6149 (is_simple_enum): Minor tweak.
6150 (dump_ada_enum_type): New function extracted from...
6151 (dump_ada_node) <ENUMERAL_TYPE>: ...here. Invoke it.
6152 <INTEGER_TYPE>: Remove unreachable code.
6153 <RECORD_TYPE>: Likewise. Minor tweaks.
6154 (dump_nested_type) <ARRAY_TYPE>: Adjust to above changes.
6155 <ENUMERAL_TYPE>: New case.
6156 <RECORD_TYPE>: Factor out common code.
6157 (dump_ada_declaration) <ARRAY_TYPE>: Adjust to above changes.
6158 Minor tweaks. Deal with enumeral types.
6159 (dump_ada_structure): Minor tweaks.
6160
09de3550
EB		 61612018-02-28 Eric Botcazou <ebotcazou@adacore.com>
6162
6163 * c-ada-spec.c (dump_ada_node) <POINTER_TYPE>: Do not use generic
6164 address for incomplete structures.
6165 (dump_forward_type): Do not bail out for incomplete structures.
6166 (dump_ada_declaration): Do not special-case incomplete structures
6167 for subtypes. Dump them as null records for types.
6168
095d8d4b
EB		 61692018-02-28 Eric Botcazou <ebotcazou@adacore.com>
6170
6171 * c-ada-spec.c (dump_ada_import): Use boolean and fix formatting.
6172 (is_char_array): Fix formatting.
6173 (dump_template_types): Likewise.
6174 (dump_generic_ada_node): Rename into...
6175 (dump_ada_node): ...this.
6176 <POINTER_TYPE>: Remove superfluous space. Use generic address for
6177 incomplete structures and not for empty structures. Do not use it
6178 when forward declarations are needed.
6179 (dump_forward_type): New function.
6180 (dump_nested_types): Remove FORWARD parameter. Do not consider
6181 TREE_VISITED and do not generate a forward declaration. Only dump
6182 original nested types for nested declaration.
6183 (dump_nested_type) <POINTER_TYPE>: Call dump_forward_type.
6184 <ARRAY_TYPE>: Likewise if the component type is an anonymous pointer.
6185 <RECORD_TYPE>: Do not consider TREE_VISITED.
6186 (dump_ada_declaration): Use booleans and fix formatting throughout.
6187 <TYPE_DECL>: Skip incomplete structures and not empty structures.
6188 Call dump_forward_type instead of dump_nested_types for a typedef.
6189 Remove superfluous check and adjust call to dump_nested_types.
6190 <POINTER_TYPE>: Call dump_forward_type and fall through.
6191 (dump_ada_struct_decl): Rename into...
6192 (dump_ada_structure): ...this. Do not special-case empty structures.
6193
d4cfd486
MS		 61942018-02-27 Martin Sebor <msebor@redhat.com>
6195
6196 PR c++/83871
6197 * c.opt (-Wmissing-attributes): New option.
6198
b22dbd03
ML		 61992018-02-21 Martin Liska <mliska@suse.cz>
6200
6201 * c.opt (Wcatch-value=): Add IntegerRange.
6202
883dfe2a
JM		 62032018-02-15 Jason Merrill <jason@redhat.com>
6204
6205 * c-cppbuiltin.c (c_cpp_builtins): Update __cpp_deduction_guides.
6206
0444aa9c
NS		 62072018-02-09 Nathan Sidwell <nathan@acm.org>
6208
6209 PR c/84293
6210 * c-common.h (strict_aliasing_warning): Drop OTYPE arg, insert LOC
6211 arg.
6212 * c-warn.c (strict_aliasing_warning): Drop OTYPE arg, require LOC
6213 arg. Adjust.
6214
cea71f0a
MS		 62152018-02-09 Martin Sebor <msebor@redhat.com>
6216
6217 PR lto/84212
6218 * c.opt (-Wstringop-overflow, -Warray-bounds): Add LTO.
6219 (-Walloc-size-larger-than, -Wformat-truncation=): Same.
6220 (-Wmaybe-uninitialized, -Wnonnull, -Wrestrict): Same.
6221 (-Wstrict-overflow, -Wsuggest-attribute): Same.
6222 (-Wuninitialized): Same.
6223
8c8b7be5
EB		 62242018-02-09 Eric Botcazou <ebotcazou@adacore.com>
6225
6226 * c-ada-spec.c (dump_ada_declaration): Do not generate the 'constant'
6227 keyword for components.
6228
7c30b12a
PC		 62292018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
6230
6231 * c-common.h (DECL_UNNAMED_BIT_FIELD): New.
6232
eece7fe5
JK		 62332018-02-02 Julia Koval <julia.koval@intel.com>
6234
6235 * c-common.h (omp_clause_mask): Move to wide_int_bitmask.h.
6236
7d07a93a
MP		 62372018-01-29 Marek Polacek <polacek@redhat.com>
6238
6239 PR c/83966
6240 * c-format.c (check_function_format): Check current_function_decl.
6241
53723269
JJ		 62422018-01-27 Jakub Jelinek <jakub@redhat.com>
6243
6244 * c-cppbuiltin.c (c_cpp_builtins): Use ggc_strdup for the fp_suffix
6245 argument.
6246 (LAZY_HEX_FP_VALUES_CNT): Define.
6247 (lazy_hex_fp_values): Allow up to LAZY_HEX_FP_VALUES_CNT lazy hex fp
6248 values rather than just 12.
6249 (builtin_define_with_hex_fp_value): Likewise.
6250
7365279f
BK		 62512018-01-18 Boris Kolpackov <boris@codesynthesis.com>
6252
92a285c1
ML		 6253 PR other/70268
6254 * c.opt (-fmacro-prefix-map): New option.
6255 * c-opts.c (c_common_handle_option): Handle it.
6256 * c-lex.c (init_c_lex): Set remap_filename cpp callback.
6257 * c-ppoutput.c (init_pp_output): Likewise.
7365279f 6258
bb9869d5
DM		 62592018-01-17 David Malcolm <dmalcolm@redhat.com>
6260
6261 PR c++/83814
6262 * c-common.c (fold_for_warn): Move to c/c-fold.c and cp/expr.c.
6263
68dc87c3
EB		 62642018-01-10 Eric Botcazou <ebotcazou@adacore.com>
6265
6266 * c-ada-spec.c (dump_number): Add FLOAT_P parameter.
6267 Skip 'f' and 'F' characters if it is true.
6268 (store_ada_macro): Minor tweak.
6269 (dump_ada_macros) <CPP_COMMENT>: Likewise.
6270 <CPP_WSTRING>: Likewise.
6271 <CPP_STRING>: Output '&' in the buffer if not the first string.
6272 <CPP_NUMBER>: Adjust calls to dump_number.
6273
9a004410
DM		 62742018-01-10 David Malcolm <dmalcolm@redhat.com>
6275
6276 PR c++/43486
6277 * c-common.c: Include "selftest.h".
6278 (get_atomic_generic_size): Perform the test for integral type
6279 before the range test for any integer constant, fixing indentation
6280 of braces. Call fold_for_warn before testing for an INTEGER_CST.
6281 (reject_gcc_builtin): Strip any location wrapper from EXPR.
6282 (selftest::test_fold_for_warn): New function.
6283 (selftest::c_common_c_tests): New function.
6284 (selftest::c_family_tests): Call it, and
6285 selftest::c_pretty_print_c_tests.
6286 * c-common.h (selftest::c_pretty_print_c_tests): New decl.
6287 * c-format.c (check_format_arg): Convert VAR_P check to a
6288 fold_for_warn.
6289 * c-pretty-print.c: Include "selftest.h".
6290 (pp_c_cast_expression): Don't print casts for location wrappers.
6291 (selftest::assert_c_pretty_printer_output): New function.
6292 (ASSERT_C_PRETTY_PRINTER_OUTPUT): New macro.
6293 (selftest::test_location_wrappers): New function.
6294 (selftest::c_pretty_print_c_tests): New function.
6295 * c-warn.c (warn_for_memset): Call fold_for_warn on the arguments.
6296
5c0caeb3
RS		 62972018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
6298 Alan Hayward <alan.hayward@arm.com>
6299 David Sherwood <david.sherwood@arm.com>
6300
6301 * c-common.c (c_common_type_for_mode): Handle MODE_VECTOR_BOOL.
6302
73a699ae
RS		 63032018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
6304 Alan Hayward <alan.hayward@arm.com>
6305 David Sherwood <david.sherwood@arm.com>
6306
6307 * c-ubsan.c (ubsan_instrument_shift): Treat GET_MODE_BITSIZE
6308 as polynomial.
6309
928686b1
RS		 63102018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
6311 Alan Hayward <alan.hayward@arm.com>
6312 David Sherwood <david.sherwood@arm.com>
6313
6314 * c-common.c (vector_types_convertible_p, c_build_vec_perm_expr)
6315 (convert_vector_to_array_for_subscript): Handle polynomial
6316 TYPE_VECTOR_SUBPARTS.
6317 (c_common_type_for_mode): Check valid_vector_subparts_p.
6318 * c-pretty-print.c (pp_c_initializer_list): Handle polynomial
6319 VECTOR_CST_NELTS.
6320
85ec4feb
JJ		 63212018-01-03 Jakub Jelinek <jakub@redhat.com>
6322
6323 Update copyright years.
6324
170a8bd6 63252017-12-22 Mike Stump <mikestump@comcast.net>
92a285c1 6326 Eric Botcazou <ebotcazou@adacore.com>
170a8bd6
EB		 6327
6328 * c-pragma.c (init_pragma): Register pragma GCC unroll.
6329 * c-pragma.h (enum pragma_kind): Add PRAGMA_UNROLL.
6330
ab20d992 63312017-12-22 Alexandre Oliva <aoliva@redhat.com>
18408e96
AO		 6332
6333 PR debug/83527
6334 PR debug/83419
6335 * c-semantics.c (only_debug_stmts_after_p): New.
6336 (pop_stmt_list): Clear side effects in debug-only stmt list.
6337 Check for single nondebug stmt followed by debug stmts only.
6338
c12d20d4
AO		 63392017-12-21 Alexandre Oliva <aoliva@redhat.com>
6340
6341 PR debug/83419
6342 * c-semantics.c (pop_stmt_list): Propagate side effects from
6343 single nondebug stmt to container list.
6344
01512446
JJ		 63452017-12-19 Jakub Jelinek <jakub@redhat.com>
6346
6347 * known-headers.cc (get_stdlib_header_for_name): Replace Yoda
6348 conditions with typical order conditions.
6349
82cfbd01
MP		 63502017-12-18 Marek Polacek <polacek@redhat.com>
6351
6352 * c-warn.c (warn_logical_operator): Return early if -Wlogical-op is
6353 not in effect.
6354
99da11ec
MS		 63552017-12-17 Martin Sebor <msebor@redhat.com>
6356
6357 * c-attribs.c (common_handle_aligned_attribute): Avoid issuing
6358 an error for attribute warn_if_not_aligned.
6359
cc8bea0a
MS		 63602017-12-16 Martin Sebor <msebor@redhat.com>
6361
6362 PR tree-optimization/78918
6363 * c-common.c (check_function_restrict): Avoid checking built-ins.
6364 * c.opt (-Wrestrict): Include in -Wall.
6365
4849deb1
JJ		 63662017-12-15 Jakub Jelinek <jakub@redhat.com>
6367
6368 * c-attribs.c (c_common_attribute_table,
6369 c_common_format_attribute_table): Swap affects_type_identity
6370 and handler fields, adjust comments.
6371
c65e18d3
BE		 63722017-12-14 Bernd Edlinger <bernd.edlinger@hotmail.de>
6373
6374 * c.opt (Wcast-function-type): New warning option.
6375 * c-lex.c (get_fileinfo): Avoid warning.
6376 * c-ppoutput.c (scan_translation_unit_directives_only): Remove cast.
6377
2004617a
QZ		 63782017-12-14 Qing Zhao <qing.zhao@oracle.com>
6379
7365279f 6380 PR middle_end/79538
2004617a
QZ		 6381 * c-cppbuiltin.c (builtin_define_with_hex_fp_value):
6382 Adjust the size of buf1 and buf2, add a new buf to avoid
6383 format-overflow warning.
6384
ab20d992 63852017-12-12 Alexandre Oliva <aoliva@redhat.com>
96a95ac1
AO		 6386
6387 * c-semantics.c (pop_stmt_list): Move begin stmt marker into
6388 subsequent statement list.
6389
5d9ae53d
MS		 63902017-12-07 Martin Sebor <msebor@redhat.com>
6391
6392 PR c/81544
6393 PR c/81566
6394 * c-attribs.c (attr_aligned_exclusions): New array.
6395 (attr_alloc_exclusions, attr_cold_hot_exclusions): Same.
6396 (attr_common_exclusions, attr_const_pure_exclusions): Same.
6397 (attr_gnu_inline_exclusions, attr_inline_exclusions): Same.
6398 (attr_noreturn_exclusions, attr_returns_twice_exclusions): Same.
6399 (attr_warn_unused_result_exclusions): Same.
6400 (handle_hot_attribute, handle_cold_attribute): Simplify.
6401 (handle_const_attribute): Warn on function returning void.
6402 (handle_pure_attribute): Same.
6403 (handle_aligned_attribute): Diagnose conflicting attribute
6404 specifications.
6405 * c-warn.c (diagnose_mismatched_attributes): Simplify.
6406
c79144f8
DM		 64072017-12-06 David Malcolm <dmalcolm@redhat.com>
6408
6409 PR c/83236
6410 * c-common.c (selftest::c_family_tests): Call
6411 selftest::c_spellcheck_cc_tests.
6412 * c-common.h (selftest::c_spellcheck_cc_tests): New decl.
6413 * c-spellcheck.cc: Include "selftest.h".
6414 (name_reserved_for_implementation_p): New function.
6415 (should_suggest_as_macro_p): New function.
6416 (find_closest_macro_cpp_cb): Move the check for NT_MACRO to
6417 should_suggest_as_macro_p and call it.
6418 (selftest::test_name_reserved_for_implementation_p): New function.
6419 (selftest::c_spellcheck_cc_tests): New function.
6420 * c-spellcheck.h (name_reserved_for_implementation_p): New decl.
6421
613bc14f
DM		 64222017-12-06 David Malcolm <dmalcolm@redhat.com>
6423
6424 * c-spellcheck.cc: New file, taken from macro-handling code in
6425 spellcheck-tree.c.
6426 * c-spellcheck.h: New file, taken from macro-handling code in
6427 spellcheck-tree.h.
6428
e76c7157
JJ		 64292017-12-01 Jakub Jelinek <jakub@redhat.com>
6430
6431 * c-attribs.c (c_common_attribute_table): Remove "cilk simd function"
6432 attribute.
6433 (handle_simd_attribute): Don't check for "cilk simd function"
6434 attribute. Reindent, formatting changes.
6435
b0da4034
JK		 64362017-11-30 Julia Koval <julia.koval@intel.com>
6437
6438 * c-common.h (inv_list): Remove.
6439
058f0b9e
JJ		 64402017-11-28 Jakub Jelinek <jakub@redhat.com>
6441
6442 PR sanitizer/81275
6443 * c-common.c (c_switch_covers_all_cases_p_1,
6444 c_switch_covers_all_cases_p): New functions.
6445 * c-common.h (c_switch_covers_all_cases_p): Declare.
6446
5e9d6aa4 64472017-11-28 Julia Koval <julia.koval@intel.com>
92a285c1 6448 Sebastian Peryt <sebastian.peryt@intel.com>
5e9d6aa4
JK		 6449
6450 * array-notation-common.c: Delete.
6451 * c-cilkplus.c: Ditto.
6452 * c-common.c (_Cilk_spawn, _Cilk_sync, _Cilk_for): Remove.
6453 * c-common.def (ARRAY_NOTATION_REF): Remove.
6454 * c-common.h (RID_CILK_SPAWN, build_array_notation_expr,
6455 build_array_notation_ref, C_ORT_CILK, c_check_cilk_loop,
6456 c_validate_cilk_plus_loop, cilkplus_an_parts,
6457 cilk_ignorable_spawn_rhs_op,
6458 cilk_recognize_spawn): Remove.
6459 * c-gimplify.c (CILK_SPAWN_STMT): Remove.
6460 * c-omp.c: Remove CILK_SIMD check.
6461 * c-pragma.c: Ditto.
6462 * c-pragma.h: Remove CILK related pragmas.
6463 * c-pretty-print.c (c_pretty_printer::postfix_expression): Remove
6464 ARRAY_NOTATION_REF condition.
6465 (c_pretty_printer::expression): Ditto.
6466 * c.opt (fcilkplus): Remove.
6467 * cilk.c: Delete.
6468
1af4ebf5
MG		 64692017-11-21 Marc Glisse <marc.glisse@inria.fr>
6470
6471 * c-pretty-print.c (pp_c_additive_expression,
6472 c_pretty_printer::expression): Handle POINTER_DIFF_EXPR.
6473
d44ed508
JJ		 64742017-11-21 Jakub Jelinek <jakub@redhat.com>
6475
7d2f0f9b
JJ		 6476 * c-common.c (get_nonnull_operand): Use tree_to_uhwi.
6477
d44ed508
JJ		 6478 PR c++/83059
6479 * c-common.c (get_atomic_generic_size): Use TREE_INT_CST_LOW
6480 instead of tree_to_uhwi, formatting fix.
6481
26edace6
DM		 64822017-11-20 David Malcolm <dmalcolm@redhat.com>
6483
6484 PR c/81404
6485 * known-headers.cc: New file, based on material from c/c-decl.c.
6486 (suggest_missing_header): Copied as-is.
6487 (get_stdlib_header_for_name): New, based on get_c_name_hint but
6488 heavily edited to add C++ support. Add some knowledge about
6489 <limits.h>, <stdint.h>, and <wchar.h>.
6490 * known-headers.h: Likewise.
6491
6c7a259b
DM		 64922017-11-20 David Malcolm <dmalcolm@redhat.com>
6493
6494 * c-common.h (enum lookup_name_fuzzy_kind): Move to name-hint.h.
6495 (lookup_name_fuzzy): Likewise. Convert return type from
6496 const char * to name_hint. Add location_t param.
6497 * name-hint.h: New header.
6498
f9c59f7e
JJ		 64992017-11-19 Jakub Jelinek <jakub@redhat.com>
6500
6501 PR c/66618
6502 PR c/69960
6503 * c-common.h (c_fully_fold): Add LVAL argument defaulted to false.
6504
1e39313a
JM		 65052017-11-16 Joseph Myers <joseph@codesourcery.com>
6506
6507 * c.opt (-std=c17, std=gnu17, -std=iso9899:2017): Refer to 2018
6508 expected publication date of C17.
6509 (-std=c18, -std=gnu18, -std=iso9899:2018): New option aliases.
6510
3ca0dc60
JM		 65112017-11-15 Joseph Myers <joseph@codesourcery.com>
6512
6513 PR c/81156
6514 * c-common.c (c_common_reswords): Add __builtin_tgmath.
6515 * c-common.h (enum rid): Add RID_BUILTIN_TGMATH.
6516
025d57f0
MS		 65172017-11-10 Martin Sebor <msebor@redhat.com>
6518
6519 PR c/81117
6520 * c-common.c (catenate_strings): Use memcpy instead of strncpy.
6521 * c-warn.c (sizeof_pointer_memaccess_warning): Handle arrays.
6522 * c.opt (-Wstringop-truncation): New option.
6523
1b6fa695
ML		 65242017-11-06 Martin Liska <mliska@suse.cz>
6525
6526 PR middle-end/82404
6527 * c-opts.c (c_common_post_options): Set -Wreturn-type for C++
6528 FE.
6529 * c.opt: Set default value of warn_return_type.
6530
64a5912c
DM		 65312017-10-31 David Malcolm <dmalcolm@redhat.com>
6532
6533 * c-common.c (binary_op_error): Update for renaming of
6534 error_at_rich_loc.
6535 (c_parse_error): Likewise.
6536 * c-warn.c (warn_logical_not_parentheses): Likewise for
6537 renaming of inform_at_rich_loc.
6538 (warn_for_restrict): Likewise for renaming of
6539 warning_at_rich_loc_n.
6540
c76dc9c3
JM		 65412017-10-30 Joseph Myers <joseph@codesourcery.com>
6542
6543 * c.opt (std=c17, std=gnu17, std=iso9899:2017): New options.
6544 * c-opts.c (set_std_c17): New function.
6545 (c_common_init_options): Use gnu17 as default C version.
6546 (c_common_handle_option): Handle -std=c17 and -std=gnu17.
6547
ee5fd23a
MM		 65482017-10-27 Michael Meissner <meissner@linux.vnet.ibm.com>
6549
6550 * c-cppbuiltin.c (mode_has_fma): Add support for PowerPC KFmode.
6551 (c_cpp_builtins): If a machine has a fast fma _Float<N> and
6552 _Float<N>X variant, define __FP_FAST_FMA<N> and/or
6553 __FP_FAST_FMA<N>X.
6554
d1047465
MP		 65552017-10-23 Marek Polacek <polacek@redhat.com>
6556
6557 PR c/82681
6558 * c-warn.c (warnings_for_convert_and_check): Fix typos.
6559
9e878cf1
EB		 65602017-10-19 Eric Botcazou <ebotcazou@adacore.com>
6561
6562 * c-common.c (check_builtin_function_arguments): Also check arguments
6563 of __builtin_alloca_with_align_and_max.
6564
89b6abbb
DM		 65652017-10-17 David Malcolm <dmalcolm@redhat.com>
6566
6567 * c-format.c (format_warning_at_char): Pass UNKNOWN_LOCATION
6568 rather than NULL to format_warning_va.
6569 (check_format_types): Likewise when calling format_type_warning.
6570 Remove code to extract source_ranges and source_range * in favor
6571 of just a location_t.
6572 (format_type_warning): Convert source_range * param to a
6573 location_t.
6574
39382c09
JJ		 65752017-10-13 Jakub Jelinek <jakub@redhat.com>
6576
6577 * c-gimplify.c (c_gimplify_expr): Handle [LR]ROTATE_EXPR like
6578 [LR]SHIFT_EXPR.
6579
62e1c678
DM		 65802017-10-12 David Malcolm <dmalcolm@redhat.com>
6581
6582 * c-common.c (enum missing_token_insertion_kind): New enum.
6583 (get_missing_token_insertion_kind): New function.
6584 (maybe_suggest_missing_token_insertion): New function.
6585 * c-common.h (maybe_suggest_missing_token_insertion): New decl.
6586
b90c9338
NS		 65872017-10-11 Nathan Sidwell <nathan@acm.org>
6588
6589 * c-opts.c (add_prefixed_path): Change chain to incpath_kind.
6590 (c_common_handle_option): Update incpath_kind names.
6591
3a266bcd
ML		 65922017-10-11 Martin Liska <mliska@suse.cz>
6593
6594 PR sanitizer/82490
6595 * c-attribs.c (handle_no_sanitize_attribute): Report directly
6596 Wattributes warning.
6597
8e6cdc90
RS		 65982017-10-10 Richard Sandiford <richard.sandiford@linaro.org>
6599
6600 * c-ada-spec.c (dump_generic_ada_node): Use wi::to_wide when
6601 operating on trees as wide_ints.
6602 * c-common.c (pointer_int_sum): Likewise.
6603 * c-pretty-print.c (pp_c_integer_constant): Likewise.
6604 * c-warn.c (match_case_to_enum_1): Likewise.
6605 (c_do_switch_warnings): Likewise.
6606 (maybe_warn_shift_overflow): Likewise.
6607
802b38c9
JJ		 66082017-10-10 Jakub Jelinek <jakub@redhat.com>
6609
6610 PR c/82437
6611 * c-warn.c (warn_tautological_bitwise_comparison): Use wi::to_wide
6612 instead of wide_int::from.
6613
4e34b338
JJ		 66142017-10-06 Jakub Jelinek <jakub@redhat.com>
6615
6616 PR c/82437
6617 * c-warn.c (warn_tautological_bitwise_comparison): Instead of
6618 using to_widest use wide_int with the larger of the two precisions.
6619
4bc4b2b4
BE		 66202017-10-05 Bernd Edlinger <bernd.edlinger@hotmail.de>
6621
6622 * c-pretty-print.c (pp_c_parameter_type_list): Print ... for variadic
6623 functions.
6624
a1488398
RS		 66252017-10-02 Richard Sandiford <richard.sandiford@linaro.org>
6626
6627 * c-warn.c (warn_tautological_bitwise_comparison): Use wi::to_widest
6628 when combining the original unconverted comparison operands.
6629
01c9fb68
JJ		 66302017-09-29 Jakub Jelinek <jakub@redhat.com>
6631
6632 * c-attribs.c (handle_noipa_attribute): Don't add "stack_protect"
6633 attribute.
6634
6e3e8419
EB		 66352017-09-29 Eric Botcazou <ebotcazou@adacore.com>
6636
6637 * c-ada-spec.c (to_ada_name): Add index parameter.
6638 (pp_ada_tree_identifier): Likewise.
6639 (dump_ada_macros): Adjust call to to_ada_name.
6640 (struct overloaded_name_hash): New type.
6641 (struct overloaded_name_hasher): Likewise.
6642 (overloaded_names): New hash table.
6643 (compute_overloading_index): New function.
6644 (dump_ada_decl_name): Call it and pass the result to
6645 pp_ada_tree_identifier.
6646 (dump_ada_double_name): Adjust calls to pp_ada_tree_identifier.
6647 (dump_ada_function_declaration): Likewise.
6648 (dump_generic_ada_node): Likewise.
6649 (print_constructor): Likewise.
6650 (print_destructor): Likewise.
6651 (dump_ada_specs): Delete overloaded_names table.
6652
79310774
EB		 66532017-09-29 Eric Botcazou <ebotcazou@adacore.com>
6654
6655 * c-ada-spec.c (max_ada_macros): Move around.
6656 (store_ada_macro_index): Likewise.
6657 (source_file): Rename into...
6658 (macro_source_file): ...this.
6659 (count_ada_macro): Move around.
6660 (store_ada_macro): Likewise.
6661 (compare_macro): Likewise.
6662 (print_ada_macros): Merge in...
6663 (dump_ada_macros): ...this.
6664 (source_file_base): Rename into...
6665 (current_source_file): ...this.
6666 (print_comment): Move around.
6667 (dump_ada_nodes): Call dump_ada_declaration directly.
6668 (struct with): Change type of limited field to bool.
6669 (append_withs): Change type of limited_access parameter to bool.
6670 (pp_ada_tree_identifie): Likewise.
6671 (dump_ada_decl_nam): Likewise.
6672 (dump_generic_ada_node): Likewise. Do not print the return type.
6673 (to_ada_name): Change type of space_found parameter to bool.
6674 (dump_ada_function_declaration): Return void and change type of
6675 parameters to bool. Also print the return type for a function.
6676 (print_ada_methods): Rename into...
6677 (dump_ada_methods): ...this.
6678 (print_ada_declaration): Rename into ...
6679 (dump_ada_declaration): ...this. Do not print the return type.
6680 (print_ada_struct_decl): Rename into...
6681 (dump_ada_struct_decl): ...this.
6682
7d386d45
JJ		 66832017-09-29 Jakub Jelinek <jakub@redhat.com>
6684
6685 * c-attribs.c (handle_packed_attribute): Test DECL_C_BIT_FIELD
6686 rather than DECL_INITIAL.
6687 (common_handle_aligned_attribute): Likewise.
6688
ab20d992 66892017-09-20 Alexandre Oliva <aoliva@redhat.com>
9ed32e27
AO		 6690
6691 * c.opt (gen-decls): Add RejectNegative.
6692
026a79f7
AS		 66932017-09-15 Andrew Sutton <andrew.n.sutton@gmail.com>
6694 Jakub Jelinek <jakub@redhat.com>
6695
6696 Add support for -std=c++2a.
6697 * c-common.h (cxx_dialect): Add cxx2a as a dialect.
6698 * opt.c: Add options for -std=c++2a and -std=gnu++2a.
6699 * c-opts.c (set_std_cxx2a): New.
6700 (c_common_handle_option): Set options when -std=c++2a is enabled.
6701 (c_common_post_options): Adjust comments.
6702 (set_std_cxx14, set_std_cxx17): Likewise.
6703
4a8ca690
EB		 67042017-09-15 Eric Botcazou <ebotcazou@adacore.com>
6705
6706 * c-pragma.c (handle_pragma_scalar_storage_order): Expand on error
6707 message for non-uniform endianness and issue a warning in C++.
6708
7b936140
JJ		 67092017-09-15 Jakub Jelinek <jakub@redhat.com>
6710
6711 * c.opt (Wc++1z-compat): Change from option to undocumented alias.
6712 (Wc++17-compat): Change from undocumented alias to option.
6713 (Wnoexcept-type): Enable by Wc++17-compat instead of Wc++1z-compat,
6714 change C++1z to C++17 in description.
6715 (std=c++1z, std=gnu++1z): Change from option to undocumented
6716 deprecated alias.
6717 (std=c++17, std=gnu++17): Change from undocumented alias to option.
6718 Adjust description.
6719 * c-common.h (enum cxx_dialect): Rename cxx1z to cxx17.
6720 * c-opts.c (set_std_cxx1z): Rename to ...
6721 (set_std_cxx17): ... this.
6722 (c_common_handle_option): Rename OPT_std_c__1z to OPT_std_c__17
6723 and OPT_std_gnu__1z to OPT_std_gnu__17. Adjust set_std_cxx1z
7365279f 6724 caller.
7b936140
JJ		 6725 (c_common_post_options): Use cxx17 instead of cxx1z. Adjust
6726 comments.
6727
12263f13
L		 67282017-09-12 H.J. Lu <hongjiu.lu@intel.com>
6729
6730 * c-attribs.c (common_handle_aligned_attribute): Don't warn
6731 function alignment if warn_if_not_aligned_p is true.
6732
6836632e
NS		 67332017-09-12 Nathan Sidwell <nathan@acm.org>
6734
6735 * c-common.c (field_decl_cmp, resort_data, resort_field_decl_cmp,
6736 resort_sorted_fields): Move to c/c-decl.c.
6737 * c-common.h (field_decl_cmp, resort_sorted_fields): Delete.
6738 (struct sorted_fields_type): Move to c/c-lang.h.
6739
019bf9ad
JW		 67402017-09-09 Jonathan Wakely <jwakely@redhat.com>
6741
6742 PR c++/81852
6743 * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_threadsafe_static_init.
6744
bc7fe952
MP		 67452017-09-04 Marek Polacek <polacek@redhat.com>
6746
6747 PR c/81783
6748 * c-warn.c (warn_tautological_bitwise_comparison): New function.
6749 (warn_tautological_cmp): Call it.
6750
ab20d992 67512017-09-01 Boris Kolpackov <boris@codesynthesis.com>
de7c2c6a
BK		 6752
6753 * c-opts.c (c_common_finish): Write dependency information even if
6754 there are errors.
6755
d2e05fcb
JJ		 67562017-09-01 Jakub Jelinek <jakub@redhat.com>
6757
6758 PR c/81887
6759 * c-pragma.c (omp_pragmas): Move "ordered" entry from here to ...
6760 (omp_pragmas_simd): ... here.
6761 * c-omp.c (c_finish_omp_ordered): If clauses isn't simd clause alone,
6762 create new clauses list containing just simd clause.
6763
18e2a8b8
RS		 67642017-08-30 Richard Sandiford <richard.sandiford@linaro.org>
6765 Alan Hayward <alan.hayward@arm.com>
6766 David Sherwood <david.sherwood@arm.com>
6767
6768 * c-attribs.c (vector_mode_valid_p) Fold GET_MODE_INNER call
6769 into scalar_mode_supported_p call.
6770 (handle_mode_attribute): Update call to scalar_mode_supported_p.
6771
16d22000
RS		 67722017-08-30 Richard Sandiford <richard.sandiford@linaro.org>
6773 Alan Hayward <alan.hayward@arm.com>
6774 David Sherwood <david.sherwood@arm.com>
6775
6776 * c-common.c (c_common_fixed_point_type_for_size): Use opt_scalar_mode
6777 for the mode iterator.
6778
b397965c
RS		 67792017-08-30 Richard Sandiford <richard.sandiford@linaro.org>
6780 Alan Hayward <alan.hayward@arm.com>
6781 David Sherwood <david.sherwood@arm.com>
6782
6783 * c-lex.c (interpret_fixed): Use SCALAR_TYPE_MODE.
6784 * c-common.c (c_build_vec_perm_expr): Likewise.
6785
357b7604
RS		 67862017-08-30 Richard Sandiford <richard.sandiford@linaro.org>
6787 Alan Hayward <alan.hayward@arm.com>
6788 David Sherwood <david.sherwood@arm.com>
6789
6790 * c-common.c (c_common_type_for_mode): Use as_a <scalar_int_mode>.
6791
e05c94ba
RS		 67922017-08-30 Richard Sandiford <richard.sandiford@linaro.org>
6793 Alan Hayward <alan.hayward@arm.com>
6794 David Sherwood <david.sherwood@arm.com>
6795
6796 * c-attribs.c (handle_mode_attribute): Check for a scalar_int_mode
6797 before calling targetm.addr_space.valid_pointer_mode.
6798
5c20c4af
RS		 67992017-08-30 Richard Sandiford <richard.sandiford@linaro.org>
6800 Alan Hayward <alan.hayward@arm.com>
6801 David Sherwood <david.sherwood@arm.com>
6802
6803 * c-cppbuiltin.c (c_cpp_builtins): Use opt_scalar_float_mode.
6804
c94843d2 68052017-08-30 Richard Sandiford <richard.sandiford@linaro.org>
92a285c1
ML		 6806 Alan Hayward <alan.hayward@arm.com>
6807 David Sherwood <david.sherwood@arm.com>
c94843d2
RS		 6808
6809 * c-common.c (c_common_fixed_point_type_for_size): Use new mode
6810 iterators.
6811 * c-cppbuiltin.c (c_cpp_builtins): Likewise.
6812
4e10a5a7
RS		 68132017-08-30 Richard Sandiford <richard.sandiford@linaro.org>
6814 Alan Hayward <alan.hayward@arm.com>
6815 David Sherwood <david.sherwood@arm.com>
6816
6817 * c-cppbuiltin.c (mode_has_fma): Prefix mode names with E_ in
6818 case statements.
6819
130fcab0
ML		 68202017-08-29 Martin Liska <mliska@suse.cz>
6821
6822 PR other/39851
6823 * c-common.c (parse_optimize_options): Add argument to function
6824 call.
6825 * c-pragma.c (handle_pragma_diagnostic): Likewise.
6826
14e18d71
DM		 68272017-08-24 David Malcolm <dmalcolm@redhat.com>
6828
6829 * c-lex.c (interpret_float): Use token location
6830 when building an EXCESS_PRECISION_EXPR.
6831
2f687306
DM		 68322017-08-21 David Malcolm <dmalcolm@redhat.com>
6833
6834 * c-common.c (check_function_arguments): Add "arglogs" param; pass
6835 it to check_function_format.
6836 * c-common.h (check_function_arguments): Add vec<location_t> *
6837 param.
6838 (check_function_format): Likewise.
6839 * c-format.c (struct format_check_context): Add field "arglocs".
6840 (check_function_format): Add param "arglocs"; pass it to
6841 check_format_info.
ab20d992 6842 (check_format_info): Add param "arglocs"; use it to initialize
2f687306
DM		 6843 new field of format_ctx.
6844 (check_format_arg): Pass format_ctx->arglocs to new param of
6845 check_format_info_main.
6846 (class argument_parser): New field "arglocs".
6847 (argument_parser::argument_parser): Add "arglocs_" param and use
6848 it to initialize new field.
6849 (argument_parser::check_argument_type): Pass new arglocs field to
6850 check_format_types.
6851 (check_format_info_main): Add param "arglocs", and use it when
6852 constructing arg_parser.
6853 (check_format_types): Add param "arglocs"; use it if non-NULL when
6854 !EXPR_HAS_LOCATION (cur_param) to get at location information.
6855
00aa1fa2
L		 68562017-08-18 H.J. Lu <hongjiu.lu@intel.com>
6857
6858 PR c/53037
6859 * c-attribs.c (handle_warn_if_not_aligned_attribute): New.
6860 (c_common_attribute_table): Add warn_if_not_aligned.
6861 (handle_aligned_attribute): Renamed to ...
6862 (common_handle_aligned_attribute): Remove argument, name, and add
6863 argument, warn_if_not_aligned. Handle warn_if_not_aligned.
6864 (handle_aligned_attribute): New.
6865 * c.opt: Add -Wif-not-aligned and -Wpacked-not-aligned.
6866
27be025d
MS		 68672017-08-14 Martin Sebor <msebor@redhat.com>
6868
6869 PR c/81117
6870 * c-attribs.c (c_common_attribute_table): Add nonstring entry.
6871 (handle_nonstring_attribute): New function.
6872
da67acb9
MS		 68732017-08-14 Martin Sebor <msebor@redhat.com>
6874
6875 PR c/81117
6876 * c-format.h (T89_G): New macro.
6877 * c-format.c (local_gcall_ptr_node): New variable.
6878 (init_dynamic_diag_info): Initialize it.
6879
a8b522b4
ML		 68802017-08-11 Martin Liska <mliska@suse.cz>
6881
6882 * c-opts.c (c_common_post_options): Replace ASM_OUTPUT_DEF with
6883 TARGET_SUPPORTS_ALIASES.
6884
32129a17
DM		 68852017-08-10 David Malcolm <dmalcolm@redhat.com>
6886
6887 * c-common.c (c_parse_error): Add rich_location * param, using it
6888 rather implicitly using input_location.
6889 * c-common.h (c_parse_error): Add rich_location * param.
6890
30af3a2b
MP		 68912017-08-09 Marek Polacek <polacek@redhat.com>
6892
6893 * c-common.c (pointer_int_sum): Use true/false instead of 1/0.
6894 (c_common_truthvalue_conversion): Likewise.
6895 * c-omp.c (c_finish_omp_atomic): Likewise.
6896 * c-common.h (build_binary_op): Update declaration.
6897
314e6352
ML		 68982017-08-08 Martin Liska <mliska@suse.cz>
6899
6900 * c-ada-spec.c: Include header files.
6901 * c-ubsan.c: Likewise.
6902 * c-warn.c: Likewise.
6903
56b5041c
JJ		 69042017-08-07 Jakub Jelinek <jakub@redhat.com>
6905
6906 PR c/69389
6907 * c-omp.c (c_finish_omp_atomic): Handle atomics on bitfields.
6908
db440138
EB		 69092017-08-07 Eric Botcazou <ebotcazou@adacore.com>
6910
6911 * c-ada-spec.c (has_nontrivial_methods): Test for FUNCTION_DECL.
6912 (print_ada_methods): Likewise.
6913 (print_ada_declaration): Likewise.
6914
577eec56
ML		 69152017-08-07 Martin Liska <mliska@suse.cz>
6916
6917 * array-notation-common.c: Add new includes.
6918 * c-format.c( handle_format_attribute): Canonicalize a format
6919 function name.
6920 * c-lex.c (c_common_has_attribute): Canonicalize name of an
6921 attribute.
6922 * c-pretty-print.c: Add new include.
6923
b854df3c
EB		 69242017-08-05 Eric Botcazou <ebotcazou@adacore.com>
6925
6926 * c-ada-spec.c (has_static_fields): Look only into variables.
6927 (print_constructor): Add TYPE parameter and use it for the name.
6928 (print_destructor): Likewise.
6929 (print_ada_declaration): Adjust to new constructor/destructor names.
6930 Adjust calls to print_constructor and print_destructor.
6931 (print_ada_struct_decl): Do not test TREE_STATIC on FIELD_DECL.
6932 Look only into variables in the final loop.
6933
9f2cb25e
EB		 69342017-08-01 Eric Botcazou <ebotcazou@adacore.com>
6935
6936 * c-ada-spec.c (has_static_fields): Look only into fields.
6937 (dump_generic_ada_node): Small tweak.
6938 (dump_nested_types): Look only into fields.
6939 (print_ada_declaration): Look only into methods. Small tweak.
6940 (print_ada_struct_decl): Look only into fields. Use DECL_VIRTUAL_P.
6941
f4bcd9eb
EB		 69422017-08-01 Eric Botcazou <ebotcazou@adacore.com>
6943
6944 * c-ada-spec.c (print_generic_ada_decl): Pass correctly-typed constant.
6945 (dump_ada_function_declaration): Likewise.
6946 (dump_generic_ada_node): Likewise.
6947 (print_ada_declaration): Add support for const-qualified variables.
6948
f34ebeb2
ML		 69492017-07-31 Martin Liska <mliska@suse.cz>
6950
6951 PR sanitize/81530
6952 * c-ubsan.c (ubsan_maybe_instrument_array_ref):
6953 Guard condition with flag_sanitize_p also with current_function_decl
6954 non-null equality.
6955 (ubsan_maybe_instrument_reference_or_call): Likewise.
6956
218e5d04
UB		 69572017-07-30 Uros Bizjak <ubizjak@gmail.com>
6958
6959 * c-format.c (asm_fprintf_char_table): Add 'z' to format_chars.
6960
942047f2
EB		 69612017-07-29 Eric Botcazou <ebotcazou@adacore.com>
6962
6963 * c-ada-spec.c (dump_generic_ada_node): Take into account signedness
6964 for enumeral types.
6965 (print_ada_declaration): Add missing guard for record types.
6966
a40ff0ae
JJ		 69672017-07-27 Jakub Jelinek <jakub@redhat.com>
6968
6969 PR c/45784
6970 * c-omp.c (c_finish_omp_for): If the condition is wrapped in
6971 rhs of COMPOUND_EXPR(s), skip them and readd their lhs into
6972 new COMPOUND_EXPRs around the rhs of the comparison.
6973
06bd22f6
MP		 69742017-07-27 Marek Polacek <polacek@redhat.com>
6975
6976 PR c/81417
6977 * c-warn.c (warn_for_sign_compare): Tweak the warning message. Print
6978 the types.
6979
036ea399
JJ		 69802017-07-27 Jakub Jelinek <jakub@redhat.com>
6981
6982 * c-attribs.c (c_common_attribute_table): Add noipa attribute.
6983 (handle_noipa_attribute): New function.
6984
417ca011
TD		 69852017-07-07 Torsten Duwe <duwe@suse.de>
6986
6987 * c-attribs.c (c_common_attribute_table): Add entry for
6988 "patchable_function_entry".
6989
5aaa8fb4
NS		 69902017-07-20 Nathan Sidwell <nathan@acm.org>
6991
6992 Remove TYPE_METHODS.
6993 * c-ada-spec.c (is_tagged_type, has_nontrivial_methods,
6994 dump_ada_template, print_ada_methods,
6995 print_ada_declaration): Member fns are on TYPE_FIELDS.
6996
ff22eb12
NS		 69972017-07-18 Nathan Sidwell <nathan@acm.org>
6998
6999 * c-warn.c (warn_for_memset): Use TYPE_{MIN,MAX}_VALUE.
7000
eea77d1f
DM		 70012017-07-14 David Malcolm <dmalcolm@redhat.com>
7002
7003 * c-common.c (try_to_locate_new_include_insertion_point): New
7004 function.
7005 (per_file_includes_t): New typedef.
7006 (added_includes_t): New typedef.
7007 (added_includes): New variable.
7008 (maybe_add_include_fixit): New function.
7009 * c-common.h (maybe_add_include_fixit): New decl.
7010
281ac396
MS		 70112017-07-10 Martin Sebor <msebor@redhat.com>
7012
7013 PR other/81345
7014 * c.opt (-Wstringop-overflow): Set defaults in LangEnabledBy.
7015
b6f43128
DM		 70162017-07-06 David Malcolm <dmalcolm@redhat.com>
7017
7018 * c-common.c (selftest::c_family_tests): New.
7019 * c-common.h (selftest::run_c_tests): Move decl to c/c-lang.h.
7020 (selftest::c_family_tests): New decl.
7021
efbf55b0
MP		 70222017-07-04 Marek Polacek <polacek@redhat.com>
7023
7024 PR c/81231
7025 * c-common.c (sync_resolve_size): Give error for pointers to incomplete
7026 types.
7027
6c86bd88
MP		 70282017-07-04 Marek Polacek <polacek@redhat.com>
7029
7030 * c-warn.c (warn_if_unused_value): Remove WITH_CLEANUP_EXPR handling.
7031
17a7218b
ML		 70322017-06-28 Martin Liska <mliska@suse.cz>
7033
7034 PR ipa/81128
7035 * c-attribs.c (handle_alias_ifunc_attribute): Append ifunc alias
7036 to a function declaration.
7037
63010089
ML		 70382017-06-28 Martin Liska <mliska@suse.cz>
7039
7040 PR driver/79659
7041 * c.opt: Add IntegerRange to various options.
7042
3e2becc4
MP		 70432017-06-26 Marek Polacek <polacek@redhat.com>
7044
7045 PR c/80116
7046 * c-common.h (warn_for_multistatement_macros): Declare.
7047 * c-warn.c: Include "c-family/c-indentation.h".
7048 (warn_for_multistatement_macros): New function.
7049 * c.opt (Wmultistatement-macros): New option.
7050 * c-indentation.c (guard_tinfo_to_string): No longer static.
7051 Change the parameter type to "enum rid". Handle RID_SWITCH.
7052 * c-indentation.h (guard_tinfo_to_string): Declare.
7053
2db9b7cd
MG		 70542017-06-23 Marc Glisse <marc.glisse@inria.fr>
7055
7056 * c-common.c (c_common_nodes_and_builtins): Use builtin_structptr_types.
7057
c3684b7b
MS		 70582017-06-15 Martin Sebor <msebor@redhat.com>
7059
7060 PR c++/80560
7061 * c.opt (-Wclass-memaccess): New option.
7062
e72c4afd
BK		 70632017-06-14 Boris Kolpackov <boris@codesynthesis.com>
7064
7065 * c-opts.c (c_common_finish): Handle '-' special value to -MF.
7066
8a516588
MP		 70672017-06-13 Marek Polacek <polacek@redhat.com>
7068
7069 PR objc/80949
7070 * c-warn.c (do_warn_duplicated_branches): Return if any of the
7071 branches is null.
7072
45b2222a
ML		 70732017-06-13 Martin Liska <mliska@suse.cz>
7074
7075 PR sanitize/78204
7076 * c-attribs.c (add_no_sanitize_value): New function.
7077 (handle_no_sanitize_attribute): Likewise.
7078 (handle_no_sanitize_address_attribute): Use the function.
7079 (handle_no_sanitize_thread_attribute): New function.
7080 (handle_no_address_safety_analysis_attribute): Use
7081 add_no_sanitize_value.
7082 (handle_no_sanitize_undefined_attribute): Likewise.
7083 * c-common.h: Declare new functions.
7084 * c-ubsan.c (ubsan_instrument_division): Use sanitize_flags_p.
7085 (ubsan_instrument_shift): Likewise.
7086 (ubsan_instrument_bounds): Likewise.
7087 (ubsan_maybe_instrument_array_ref): Likewise.
7088 (ubsan_maybe_instrument_reference_or_call): Likewise.
7089
a01f151f
JM		 70902017-06-11 Jason Merrill <jason@redhat.com>
7091
7092 * c-ada-spec.c, c-pragma.c: Use id_equal.
7093
3de4ac6d
MP		 70942017-06-04 Marek Polacek <polacek@redhat.com>
7095
7096 PR c/80919
7097 * c-format.c (matching_type_p): Return false if any of the types
7098 requires structural equality.
7099
2474f48f
MS		 71002017-06-02 Martin Sebor <msebor@redhat.com>
7101
7102 PR c/80892
7103 * c-warn.c (conversion_warning): Use -Wconversion for integer
7104 conversion and -Wfloat-conversion for floating one.
7105
40ffd95f
BE		 71062017-06-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
7107
7108 * c.opt (Wsizeof-pointer-div): New warning option.
7109
3fa4634c
VR		 71102017-06-01 Volker Reichelt <v.reichelt@netcologne.de>
7111
7112 * c.opt (Wcatch-value): New shortcut for Wcatch-value=1.
7113 (Wcatch-value=1): Enable by -Wall.
7114
f012c8ef
DM		 71152017-05-30 David Malcolm <dmalcolm@redhat.com>
7116
7117 * c-format.c (gcc_cxxdiag_char_table): Add 'H' and 'I' to
7118 format_chars.
7119 * c.opt (fdiagnostics-show-template-tree): New option.
7120 (felide-type): New option.
7121
63dbcd13
VR		 71222017-05-25 Volker Reichelt <v.reichelt@netcologne.de>
7123
7124 * c.opt (Wcatch-value=): New C++ warning flag.
7125
be136b5c
NS		 71262017-05-24 Nathan Sidwell <nathan@acm.org>
7127
7128 * c=common.c (field_decl_cmp, resort_field_decl_cmp): Adjust T
7129 const casts to avoid warning.
7130
3cd211af
MS		 71312017-05-24 Martin Sebor <msebor@redhat.com>
7132
7133 PR c/80731
7134 * c-common.h (unsafe_conversion_p): Add a function argument.
7135 * c-common.c (unsafe_conversion_p): Same.
7136 Add type names and values to diagnostics.
7137 (scalar_to_vector): Adjust.
7138 * c-warn.c (constant_expression_error): Add a function argument.
7139 Add type names and values to diagnostics.
7140 (conversion_warning): Add a function argument.
7141 Add type names and values to diagnostics.
7142 (warnings_for_convert_and_check): Same.
7143
1ff7be5a
JM		 71442017-05-19 Jason Merrill <jason@redhat.com>
7145
7146 * c-warn.c (match_case_to_enum_1): Don't warn about enums with no
7147 enumerators.
7148
ff502317
BE		 71492017-05-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
7150
7151 * c-format.c (locus): Move out of function scope,
7152 add GTY attribute.
7153
2a8a8d7b
NS		 71542017-05-19 Nathan Sidwell <nathan@acm.org>
7155
7156 * c-opts.c (class_dump_file, class_dump_flags): Delete.
7157 (c_common_parse_file): Remove class dump handling.
7158 (get_dump_info): Likewise.
7159
39aac208
RB		 71602017-05-19 Richard Biener <rguenther@suse.de>
7161
7162 PR c++/80593
7163 * c-warn.c (strict_aliasing_warning): Do not warn for accesses
7164 to alias-set zero memory.
7165
6ecd2339
BE		 71662017-05-18 Bernd Edlinger <bernd.edlinger@hotmail.de>
7167
7168 * c-format.c (local_tree_type_node): Add GTY attribute.
7169
6574d78e
MP		 71702017-05-18 Marek Polacek <polacek@redhat.com>
7171
7172 * c-common.c (c_common_type_for_size): Use NULL_TREE instead of 0.
7173 (c_common_fixed_point_type_for_size): Likewise.
7174 (c_common_type_for_mode): Likewise.
7175 (shorten_compare): Likewise.
7176 (c_promoting_integer_type_p): Use false/true instead of 0/1.
7177 * c-pragma.c (maybe_apply_renaming_pragma): Use NULL_TREE instead of 0.
7178
e3455240
MP		 71792017-05-18 Marek Polacek <polacek@redhat.com>
7180
7181 * c-common.c (self_promoting_args_p): Change the return type to bool.
7182 Use false/true instead of 0/1.
7183 * c-common.h (self_promoting_args_p): Update.
7184
3fa8871b
MP		 71852017-05-17 Marek Polacek <polacek@redhat.com>
7186
7187 * c-common.c: Use NULL_TREE instead of 0 where appropriate.
7188 * c-warn.c: Likewise.
7189
b42cc3ca
VV		 71902017-05-17 Ville Voutilainen <ville.voutilainen@gmail.com>
7191
7192 Implement new C++ intrinsics __is_assignable and __is_constructible.
7193 * c-common.c (__is_assignable, __is_constructible): New.
7194 * c-common.h (RID_IS_ASSIGNABLE, RID_IS_CONSTRUCTIBLE): Likewise.
7195
1a817418
ML		 71962017-05-17 Martin Liska <mliska@suse.cz>
7197
7198 * c-common.h: Introduce dump_flags_t type and
7199 use it instead of int type.
7200 * c-gimplify.c (c_genericize): Likewise.
7201 * c-opts.c: Likewise.
7202
b2fa0a8b
MP		 72032017-05-17 Marek Polacek <polacek@redhat.com>
7204
7205 * c-common.c (c_save_expr): Remove.
7206 (c_common_truthvalue_conversion): Remove a call to c_save_expr.
7207 * c-common.h (c_save_expr): Remove declaration.
7208
31c2d57d
VR		 72092017-05-09 Volker Reichelt <v.reichelt@netcologne.de>
7210
7211 PR c/35441
7212 * c-pretty-print.c (c_pretty_printer::expression): Handle MAX_EXPR,
7213 MIN_EXPR, EXACT_DIV_EXPR, RDIV_EXPR, LROTATE_EXPR, RROTATE_EXPR.
7214 (c_pretty_printer::postfix_expression): Handle MAX_EXPR, MIN_EXPR.
7215 (c_pretty_printer::multiplicative_expression): Handle EXACT_DIV_EXPR,
7216 RDIV_EXPR.
7217 (pp_c_shift_expression): Handle LROTATE_EXPR, RROTATE_EXPR.
7218
684f84de
MP		 72192017-05-09 Marek Polacek <polacek@redhat.com>
7220
7221 PR c/80525
7222 * c-warn.c (unwrap_c_maybe_const): New.
7223 (warn_logical_operator): Call it.
7224
641da50a
NS		 72252017-05-09 Nathan Sidwell <nathan@acm.org>
7226
7227 * c-common.c (c_register_builtin_type): Use pushdecl lang_hook.
7228 * c-common.h (pushdecl_top_level, pushdecl): Don't declare here.
7229
631238ac
MS		 72302017-05-08 Martin Sebor <msebor@redhat.com>
7231
7232 PR translation/80280
7233 * c-format.h (struct format_flag_spec): Add new member.
7234 (T89_T): New macro.
7235 * c-format.c (local_tree_type_node): New global.
7236 (printf_flag_specs, asm_fprintf_flag_spec): Initialize new data.
7237 (gcc_diag_flag_specs, scanf_flag_specs, strftime_flag_specs): Ditto.
7238 (strfmon_flag_specs): Likewise.
7239 (gcc_diag_char_table, gcc_cdiag_char_table): Split up specifiers
7240 with distinct quoting properties.
7241 (gcc_tdiag_char_table, gcc_cxxdiag_char_table): Same.
7242 (flag_chars_t::validate): Add argument and handle bad quoting.
7243 (check_format_info_main): Handle quoting problems.
7244 (init_dynamic_diag_info): Simplify.
7245
49f0c04c
JM		 72462017-05-08 Jason Merrill <jason@redhat.com>
7247
7248 * c-opts.c (c_common_post_options): Update defaults for
7249 flag_abi_version and flag_abi_compat_version.
7250
56d35585
DM		 72512017-05-05 David Malcolm <dmalcolm@redhat.com>
7252
7253 * c-common.c (c_cpp_error): Replace report_diagnostic
7254 with diagnostic_report_diagnostic.
7255
0f2c4a8f
MS		 72562017-05-04 Martin Sebor <msebor@redhat.com>
7257
7258 PR translation/80280
7259 * c-attribs.c (handle_alias_ifunc_attribute): Quote a %D directive.
7260 (handle_weakref_attribute): Same.
7261
6fe63fb4
NS		 72622017-05-03 Nathan Sidwell <nathan@acm.org>
7263
7264 Canonicalize canonical type hashing
7265 * c-common.c (complete_array_type): Use type_hash_canon.
7266
815d9cc6
XR		 72672017-05-01 Xi Ruoyao <ryxi@stu.xidian.edu.cn>
7268
92a285c1 7269 PR c++/80038
815d9cc6
XR		 7270 * c-common.h (cilk_gimplify_call_params_in_spawned_fn): Remove
7271 prototype.
7272 (cilk_install_body_pedigree_operations): Likewise.
7273 * cilk.c (cilk_set_spawn_marker): Mark functions that should be
7274 detatched.
7275 (cilk_gimplify_call_params_in_spawned_fn): Remove.
7276 (cilk_install_body_pedigree_operations): Likewise.
7277 (gimplify_cilk_spawn): Add EXPR_STMT and CLEANUP_POINT_EXPR
7278 unwrapping.
7279
f8a36447
JJ		 72802017-04-27 Jakub Jelinek <jakub@redhat.com>
7281
7282 PR c++/80534
7283 * c-common.c (complete_array_type): Only hash TYPE_TYPELESS_STORAGE
7284 flag on non-aggregate element types.
7285
7c145456
BE		 72862017-04-25 Bernd Edlinger <bernd.edlinger@hotmail.de>
7287
7288 * c-common.c (c_type_hasher, type_hash_table): Remove.
7289 (c_common_get_alias_set): Remove unreachable code.
7290 * c-opts.c (c_common_post_options): Make sure cc1 takes only one file.
7291
c3cbcd45
VR		 72922017-04-20 Volker Reichelt <v.reichelt@netcologne.de>
7293
7294 * c.opt (Wextra-semi): New C++ warning flag.
7295
8a59d466
JJ		 72962017-04-20 Jakub Jelinek <jakub@redhat.com>
7297
7298 PR middle-end/80423
7299 * c-common.c (complete_array_type): Preserve TYPE_TYPELESS_STORAGE.
7300
8487c9a5
JJ		 73012017-04-18 Jakub Jelinek <jakub@redhat.com>
7302
7303 PR middle-end/79788
7304 PR middle-end/80375
7305 * c-common.c (c_common_type_for_mode): Don't handle
7306 widest_*_literal_type_node here.
7307 c_common_signed_or_unsigned_type): Likewise.
7308 (c_common_nodes_and_builtins): Set widest_*_literal_type_node
7309 to *intTI_type_node or *intDI_type_node depending on whether
7310 TImode is supported by the target or not.
7311
3ee0fb02
ML		 73122017-04-10 Martin Liska <mliska@suse.cz>
7313
7314 PR sanitizer/80350
7315 * c-ubsan.c (ubsan_instrument_shift): Evaluate RHS before
7316 doing an UBSAN check.
7317
5764ee3c
JW		 73182017-04-03 Jonathan Wakely <jwakely@redhat.com>
7319
7320 * c-warn.c (do_warn_double_promotion): Fix typo in comment.
7321
6f3af356
JJ		 73222017-03-31 Jakub Jelinek <jakub@redhat.com>
7323
7324 PR c++/79572
7325 * c-ubsan.h (ubsan_maybe_instrument_reference): Change argument to
7326 tree *.
7327 * c-ubsan.c (ubsan_maybe_instrument_reference): Likewise. Handle
7328 not just NOP_EXPR to REFERENCE_TYPE, but also INTEGER_CST with
7329 REFERENCE_TYPE.
7330
f6a7a9d5
DM		 73312017-03-31 David Malcolm <dmalcolm@redhat.com>
7332
7333 PR documentation/78732
7334 * c.opt (Wendif-labels): Fix description to refer to
7335 #else rather than #elif.
7336
af88f557
JJ		 73372017-03-31 Jakub Jelinek <jakub@redhat.com>
7338
7339 PR libstdc++/80251
7340 * c-common.h (enum rid): Add RID_IS_AGGREGATE.
7341 * c-common.c (c_common_reswords): Add __is_aggregate trait.
7342
a9e4a1a5
JJ		 73432017-03-27 Jakub Jelinek <jakub@redhat.com>
7344
7345 PR middle-end/80162
7346 * c-common.c (c_common_mark_addressable_vec): Don't set
7347 TREE_ADDRESSABLE on DECL_HARD_REGISTER.
7348
3f01b620
MS		 73492017-03-21 Martin Sebor <msebor@redhat.com>
7350
7351 PR c++/79548
7352 * c-common.c (set_underlying_type): Mark type used only when
7353 original del is declared unused.
7354
2f6f187a
DM		 73552017-03-10 David Malcolm <dmalcolm@redhat.com>
7356
7357 PR translation/79848
7358 * c-format.c (check_format_string): Simplify uses of "%<%s%>" to
7359 "%qs".
7360
a02fa805
DM		 73612017-03-10 David Malcolm <dmalcolm@redhat.com>
7362
7363 PR c/79921
7364 * c-indentation.c (warn_for_misleading_indentation): Remove parens
7365 from inform's message, so that xgettext can locate it.
7366
822a132c
MP		 73672017-03-09 Marek Polacek <polacek@redhat.com>
7368
7369 PR c++/79962
7370 PR c++/79984
7371 * c-attribs.c (handle_nonnull_attribute): Save the result of default
7372 conversion to the attribute list.
7373
bba81f1c
ML		 73742017-03-09 Martin Liska <mliska@suse.cz>
7375
7376 * c-ada-spec.c (macro_length): Increment value instead of a pointer.
7377
108154ff
JM		 73782017-03-03 Jason Merrill <jason@redhat.com>
7379
7380 * c.opt (Wnoexcept-type): New.
7381
eb0e7c34
RB		 73822017-03-02 Richard Biener <rguenther@suse.de>
7383
7384 PR c/79756
7385 * c-common.c (c_common_mark_addressable_vec): Look through
7386 C_MAYBE_CONST_EXPR.
7387
9453ba0a
ML		 73882017-02-28 Martin Liska <mliska@suse.cz>
7389
7390 * c.opt: Replace space with tabular for options of <number>
7391 type.
7392
6a825afe
ML		 73932017-02-28 Martin Liska <mliska@suse.cz>
7394
7395 * c.opt: Fix --help=option -Q for options which are of
7396 an enum type.
7397
4227c9ad
JJ		 73982017-02-24 Jakub Jelinek <jakub@redhat.com>
7399
7400 PR c++/79588
7401 * c-common.c (check_function_restrict): New function.
7402 (check_function_arguments): Add FNDECL argument. Call
7403 check_function_restrict if -Wrestrict.
7404 * c-warn.c (warn_for_restrict): Remove ARGS argument, add ARGARRAY
7405 and NARGS. Use auto_vec for ARG_POSITIONS, simplify.
7406 * c-common.h (check_function_arguments): Add FNDECL argument.
7407 (warn_for_restrict): Remove ARGS argument, add ARGARRAY and NARGS.
7408
59909673
EB		 74092017-02-24 Eric Botcazou <ebotcazou@adacore.com>
7410
7411 * c-ada-spec.c (dump_ada_function_declaration): Add comment about the
7412 treatment of parameters with pointer-to-tagged type and tidy up.
7413 (print_ada_methods): Remove the special treatment of C++ static member
7414 functions.
7415
54dcd526
ML		 74162017-02-22 Martin Liska <mliska@suse.cz>
7417
7418 * c.opt: Replace inequality signs with square brackets
7419 for -Wnornalized.
7420
00bc9de3
JJ		 74212017-02-21 Jakub Jelinek <jakub@redhat.com>
7422
7423 PR c++/79641
7424 * c-attribs.c (handle_mode_attribute): Use build_qualified_type to
7425 preserve quals.
7426
97fcf744
JM		 74272017-02-17 Joseph Myers <joseph@codesourcery.com>
7428
7429 * c-cppbuiltin.c (builtin_define_float_constants): Define
7430 __DECIMAL_DIG__ to the value for long double.
7431
c7545f1c
MP		 74322017-02-15 Marek Polacek <polacek@redhat.com>
7433
7434 PR c/79515
7435 * c-warn.c (do_warn_double_promotion): Don't warn if an invalid
7436 conversion has occured.
7437
c2e84327
DM		 74382017-01-24 David Malcolm <dmalcolm@redhat.com>
7439
7440 * c-common.c (c_common_reswords): Add "__RTL".
7441 * c-common.h (enum rid): Add RID_RTL.
7442
2ebd93e1
MP		 74432017-01-20 Marek Polacek <polacek@redhat.com>
7444
7445 PR c/64279
7446 * c-common.h (do_warn_duplicated_branches_r): Declare.
7447 * c-gimplify.c (c_genericize): Walk the function tree calling
7448 do_warn_duplicated_branches_r.
7449 * c-warn.c (expr_from_macro_expansion_r): New.
7450 (do_warn_duplicated_branches): New.
7451 (do_warn_duplicated_branches_r): New.
7452 * c.opt (Wduplicated-branches): New option.
7453
0d80ab91
DM		 74542017-01-17 David Malcolm <dmalcolm@redhat.com>
7455
7456 PR c++/71497
7457 * c-indentation.c (warn_for_misleading_indentation): Use the past
7458 subjunctive in the note.
7459
7f991c36
AH		 74602017-01-17 Aldy Hernandez <aldyh@redhat.com>
7461
7462 PR c/79116
7463 * array-notation-common.c (cilkplus_extract_an_triplets): Convert
7464 start type to integer_type.
7465
1c70261c
JJ		 74662017-01-16 Jakub Jelinek <jakub@redhat.com>
7467
7468 PR driver/49726
7469 * c.opt (gen-decls): Add Driver flag.
7470
1ddca3f3
PC		 74712017-01-16 Paolo Carlini <paolo.carlini@oracle.com>
7472
7473 Revert:
7474 2017-01-16 Paolo Carlini <paolo.carlini@oracle.com>
7475
7476 PR c++/71737
7477 * c-common.c (set_underlying_type): Always set DECL_ORIGINAL_TYPE.
7478
7d2f3f1d
PC		 74792017-01-16 Paolo Carlini <paolo.carlini@oracle.com>
7480
7481 PR c++/71737
7482 * c-common.c (set_underlying_type): Always set DECL_ORIGINAL_TYPE.
7483
bce6f760
MS		 74842017-01-12 Martin Sebor <msebor@redhat.com>
7485
7486 (-Wformat-overflow): ...to this.
7487
bf5fbf46
MS		 74882017-01-11 Martin Sebor <msebor@redhat.com>
7489
7490 PR c/78768
7491 * c.opt (-Walloca-larger-than, -Wformat-length, -Wformat-truncation):
7492 Also enable for LTO.
7493
e363df3f
JM		 74942017-01-10 Jason Merrill <jason@redhat.com>
7495
7496 Implement P0195R2, C++17 variadic using.
7497 * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_variadic_using.
7498
bd2c6270
JJ		 74992017-01-09 Jakub Jelinek <jakub@redhat.com>
7500
7501 PR translation/79019
7502 PR translation/79020
7503 * c.opt (Wnormalized=): Fix typo in description.
7504
efcc8d38
MS		 75052017-01-08 Martin Sebor <msebor@redhat.com>
7506
7507 PR middle-end/77708
7508 * c.opt (-Wformat-truncation): New option.
7509
ab20d992 75102017-01-06 Alexandre Oliva <aoliva@redhat.com>
435f3f7a
AO		 7511
7512 * c-pretty-print.c (pp_c_tree_decl_identifier): Convert 16-bit
7513 value to unsigned short to fit in 4 hex digits without
7514 warnings.
7515
4e89adf9
EB		 75162017-01-05 Eric Botcazou <ebotcazou@adacore.com>
7517
7518 * c.opt (fsso-struct): Add 'native' value.
7519
cd445b54
ML		 75202017-01-05 Martin Liska <mliska@suse.cz>
7521
7522 PR pch/78970
7523 * c-opts.c (c_common_post_options): Reject '-' filename for a precompiled
7524 header.
7525
a9342885
MP		 75262017-01-04 Marek Polacek <polacek@redhat.com>
7527
7528 PR c++/64767
7529 * c.opt (Wpointer-compare): New option.
7530
fc73e60c
JJ		 75312017-01-04 Jakub Jelinek <jakub@redhat.com>
7532
7533 PR driver/78957
7534 * c.opt (fsso-struct=): Add RejectNegative.
7535
cbe34bb5
JJ		 75362017-01-01 Jakub Jelinek <jakub@redhat.com>
7537
7538 Update copyright years.
7539
d4a6c0ea
ML		 75402016-12-29 Martin Liska <mliska@suse.cz>
7541
7542 PR c/78933
7543 * c.opt (strong-eval-order): Add RejectNegative keyword.
7544
67a5ad7c
JM		 75452016-12-22 Jason Merrill <jason@redhat.com>
7546
7547 Implement P0522R0, matching of template template arguments.
7548 * c-cppbuiltin.c (c_cpp_builtins): Define
7549 __cpp_template_template_args.
7550
0dba7960
JJ		 75512016-12-21 Jakub Jelinek <jakub@redhat.com>
7552
7553 PR bootstrap/78817
7554 * c-common.c (struct nonnull_arg_ctx): New type.
7555 (check_function_nonnull): Return bool instead of void. Use
7556 nonnull_arg_ctx as context rather than just location_t.
7557 (check_nonnull_arg): Adjust for the new context type, set
7558 warned_p to true if a warning has been diagnosed.
7559 (check_function_arguments): Return bool instead of void.
7560 * c-common.h (check_function_arguments): Adjust prototype.
7561
31bfc9b9
JM		 75622016-12-21 Jason Merrill <jason@redhat.com>
7563
7564 * c.opt (-fnew-ttp-matching): New flag.
7565 * c-opts.c (c_common_post_options): Default on if -std=c++1z.
7566
629b3d75
MJ		 75672016-12-14 Martin Jambor <mjambor@suse.cz>
7568
7569 * c-omp.c: Include omp-general.h instead of omp-low.h.
7570 (c_finish_oacc_wait): Adjusted call to find_omp_clause to use its new
7571 name.
7572
474da67e
MS		 75732016-12-14 Martin Sebor <msebor@redhat.com>
7574
7575 PR c/17308
7576 * c-common.c (check_nonnull_arg): Disable when optimization
7577 is enabled.
7578
fe366b87
MP		 75792016-12-12 Marek Polacek <polacek@redhat.com>
7580
7581 PR c++/78647
7582 * c-common.c (attribute_fallthrough_p): Return false for
7583 error_mark_node.
7584
8bd9f164
MS		 75852016-12-08 Martin Sebor <msebor@redhat.com>
7586
7587 PR c/78284
7588 * c.opt (-Walloc-zero, -Walloc-size-larger-than): New options.
7589
060162e0
MS		 75902016-12-08 Martin Sebor <msebor@redhat.com>
7591
7592 PR c/78165
92a285c1
ML		 7593 * c-pretty-print (pp_c_integer_constant): Avoid formatting type
7594 suffix.
060162e0 7595
ee92e7ba
MS		 75962016-12-07 Martin Sebor <msebor@redhat.com>
7597
7598 PR c/53562
7599 PR middle-end/77784
7600 PR middle-end/78149
7601 PR middle-end/78138
7602 * c.opt (-Wstringop-overflow): New option.
7603
84b0769e
MO		 76042016-12-02 Maxim Ostapenko <m.ostapenko@samsung.com>
7605
7606 * c-attribs.c (asan odr indicator): New attribute.
7607 (handle_asan_odr_indicator_attribute): New function.
7608
7fa6a965
PK		 76092016-11-26 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
7610
7611 * c-common.c (c_common_nodes_and_builtins): Remove initialization of
7612 ptrdiff_type_node;
7613
56d8ffc1
JG		 76142016-11-23 James Greenhalgh <james.greenhalgh@arm.com>
7615
7616 * c-common.c (excess_precision_mode_join): New.
7617 (c_ts18661_flt_eval_method): New.
7618 (c_c11_flt_eval_method): Likewise.
7619 (c_flt_eval_method): Likewise.
7620 * c-common.h (excess_precision_mode_join): New.
7621 (c_flt_eval_method): Likewise.
7622 * c-cppbuiltin.c (c_cpp_flt_eval_method_iec_559): New.
7623 (cpp_iec_559_value): Call it.
7624 (c_cpp_builtins): Modify logic for __LIBGCC_*_EXCESS_PRECISION__,
7625 call c_flt_eval_method to set __FLT_EVAL_METHOD__ and
7626 __FLT_EVAL_METHOD_TS_18661_3__.
7627
04f0fcf7
JG		 76282016-11-23 James Greenhalgh <james.greenhalgh@arm.com>
7629
7630 * c-opts.c (c_common_post_options): Add logic to handle the default
7631 case for -fpermitted-flt-eval-methods.
7632
fb2675cb
PB		 76332016-11-23 Paolo Bonzini <bonzini@gnu.org>
7634
7635 * c.opt (Wexpansion-to-defined): New.
7636
ec1c5694
JJ		 76372016-11-23 Jakub Jelinek <jakub@redhat.com>
7638
7639 PR target/78451
7640 * c-pragma.c (handle_pragma_target): Don't replace
7641 current_target_pragma, but chainon the new args to the current one.
7642
730c9e75
NS		 76432016-11-22 Nathan Sidwell <nathan@acm.org>
7644
7645 * array-notation-common.c (cilkplus_extract_an_trplets): Fix
cacd29be 7646 indentation and formatting.
730c9e75 7647
89990732
MS		 76482016-11-21 Martin Sebor <msebor@redhat.com>
7649
7650 * c.opt (-fprintf-return-value): Enable by default.
7651
48330c93
BE		 76522016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
7653
7654 PR c++/71973
7655 * c.opt (-Wbuiltin-declaration-mismatch): New warning.
7656 * c-common.c (c_common_nodes_and_builtins): Initialize
7657 const_tm_ptr_type_node.
7658
0d939c95
MP		 76592016-11-16 Marek Polacek <polacek@redhat.com>
7660
7661 PR c/78285
7662 * c-common.c (c_add_case_label): Turn error_at calls into inform.
7663
8e745a17
JJ		 76642016-11-14 Jakub Jelinek <jakub@redhat.com>
7665
7666 * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_structured_bindings.
7667
1ee62b92 76682016-11-14 Prasad Ghangal <prasad.ghangal@gmail.com>
8e745a17
JJ		 7669 Richard Biener <rguenther@suse.de>
7670
7671 * c-common.h (c_common_resword): Add RID_GIMPLE, RID_PHI types.
7672 * c-common.h (enum rid): Add RID_GIMPLE, RID_PHI.
7673 * c.opt (fgimple): New option.
1ee62b92 7674
22b15758
UB		 76752016-11-13 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
7676
7677 PR c/35503
7678 * c-common.h (warn_for_restrict): Declare.
7679 * c-warn.c: Include gcc-rich-location.h.
7680 (warn_for_restrict): New function.
7681 * c-format.c (gcc_tdiag_char_table): Add entry for "Z" specifier.
7682 (gcc_cdiag_char_table): Likewise.
7683 (gcc_cxxdiag_char_table): Likewise.
7684 * c.opt (Wrestrict): New option.
7685
4be719cd
EB		 76862016-11-13 Eric Botcazou <ebotcazou@adacore.com>
7687
7688 * c-ada-spec.c (print_ada_declaration): For typedef declarations, look
7689 for nested types only if the type is a record or union and dump SLOC.
7690
4a826ca6
JM		 76912016-11-09 Jason Merrill <jason@redhat.com>
7692
7693 * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_template_auto.
7694
2e955d50
JJ		 76952016-11-09 Jakub Jelinek <jakub@redhat.com>
7696
7697 * c-ubsan.c (ubsan_instrument_shift): Handle split
7698 -fsanitize=shift-base and -fsanitize=shift-exponent.
7699
51dc6603
JM		 77002016-11-07 Jason Merrill <jason@redhat.com>
7701
7702 * c.opt (Wc++1z-compat): New.
7703 * c-cppbuiltin.c (c_cpp_builtins): Add __cpp_noexcept_function_type.
7704
6dc4a604
ML		 77052016-11-07 Martin Liska <mliska@suse.cz>
7706
7707 * c-warn.c (warn_for_unused_label): Save all labels used
7708 in goto or in &label.
7709
b302001e
JM		 77102016-11-03 Jason Merrill <jason@redhat.com>
7711
7712 * c-cppbuiltin.c (c_cpp_builtins): Correct
7713 __cpp_inheriting_constructors.
7714
31f7f784
JM		 77152016-11-01 Jason Merrill <jason@redhat.com>
7716
2bc78e3c
JM		 7717 * c-cppbuiltin.c (c_cpp_builtins): Update
7718 __cpp_inheriting_constructors.
7719
31f7f784
JM		 7720 * c.opt (-fnew-inheriting-ctors): New.
7721 * c-opts.c: Default to on for ABI 11+.
7722
dcb466ec
JJ		 77232016-10-31 Jakub Jelinek <jakub@redhat.com>
7724
7725 PR c++/77948
7726 * c.opt (fext-numeric-literals): Add Var and Init.
7727 * c-opts.c (c_common_handle_option): Don't clear
7728 cpp_opts->ext_numeric_literals for -std=c++{11,14,1z}.
7729 (c_common_post_options): Clear it here if not set
7730 explicitly.
7731
52e1b91e
AH		 77322016-10-28 Aldy Hernandez <aldyh@redhat.com>
7733
7734 PR debug/77773
7735 * c-pretty-print.c (simple_type_specifier): Do not dereference `t'
7736 if NULL.
7737
e16f1cc7
JJ		 77382016-10-25 Jakub Jelinek <jakub@redhat.com>
7739
7740 * c-common.h (enum rid): Add RID_BUILTIN_LAUNDER.
7741 * c-common.c (c_common_reswords): Add __builtin_launder.
7742
f8348061
BE		 77432016-10-24 Bernd Edlinger <bernd.edlinger@hotmail.de>
7744
7745 * c-common.c (c_common_truthvalue_conversion): Warn for
7746 multiplications in boolean context. Fix the quoting of '<<' and '<'
7747 in the shift warning.
7748
eff89e01
BE		 77492016-10-20 Bernd Edlinger <bernd.edlinger@hotmail.de>
7750
7751 * c-common.c (c_common_truthvalue_conversion): Fix the comment.
7752
24bc7bf4
JM		 77532016-10-20 Jason Merrill <jason@redhat.com>
7754
7755 * c-cppbuiltin.c (c_cpp_builtins): Update __cpp_concepts value.
7756
4c712374
BE		 77572016-10-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
7758
7759 * c-common.c (c_common_truthvalue_conversion): Warn only for signed
7760 integer shift ops in boolean context.
7761
77622016-10-18 Aldy Hernandez <aldyh@redhat.com>
adc577c5
AH		 7763
7764 * c.opt (Walloca): New.
7765 (Walloca-larger-than=): New.
7766 (Wvla-larger-than=): New.
7767
8fa18c06
MP		 77682016-10-17 Marek Polacek <polacek@redhat.com>
7769
7770 * c-warn.c (find_array_ref_with_const_idx_r): Remove parameter names.
7771 Return immediately when finding a match.
7772 (warn_tautological_cmp): Remove a boolean variable that is no longer
7773 needed.
7774
b12b1915
MP		 77752016-10-17 Marek Polacek <polacek@redhat.com>
7776
7777 * c-attribs.c: New file.
7778 * c-common.c: Move attributes handling to c-attribs.c.
7779 (get_nonnull_operand): No longer static.
7780 * c-common.h: Move the declarations from c-attribs.c to its own section.
7781
2045acd9
JM		 77822016-10-14 Jason Merrill <jason@redhat.com>
7783
7784 * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_aggregate_bases
7785 and __cpp_deduction_guides.
7786
14a2c9aa
JM		 77872016-10-13 Jason Merrill <jason@redhat.com>
7788
7789 * c-cppbuiltin.c (c_cpp_builtins): Add __cpp_inline_variables.
7790
4d0cdd0c
TP		 77912016-10-13 Thomas Preud'homme <thomas.preudhomme@arm.com>
7792
7793 * c-cppbuiltin.c: Include memmodel.h.
7794 * c-opts.c: Likewise.
7795 * c-pragma.c: Likewise.
7796 * c-warn.c: Likewise.
7797
70f6d5e1
JJ		 77982016-10-12 Jakub Jelinek <jakub@redhat.com>
7799
7800 * c.opt (Wextra): Add as C/C++/ObjC/ObjC++ option.
7801 (Wimplicit-fallthrough=): Enable for these languages by -Wextra.
7802 * c-opts.c (sanitize_cpp_opts): Initialize
7803 cpp_opts->cpp_warn_implicit_fallthrough.
7804
78f61294
MP		 78052016-10-11 Marek Polacek <polacek@redhat.com>
7806
7807 * c-common.c (warning_candidate_p): Change the return type to bool
7808 and return true/false instead of 1/0.
7809 (vector_mode_valid_p): Likewise.
7810
038b5cc0
MP		 78112016-10-11 Marek Polacek <polacek@redhat.com>
7812
7813 * c-common.c (fold_for_warn): No longer static.
7814 (bool_promoted_to_int_p): Likewise.
7815 (c_common_get_narrower): Likewise.
7816 (constant_expression_warning): Move to c-warn.c.
7817 (constant_expression_error): Likewise.
7818 (overflow_warning): Likewise.
7819 (warn_logical_operator): Likewise.
7820 (find_array_ref_with_const_idx_r): Likewise.
7821 (warn_tautological_cmp): Likewise.
7822 (expr_has_boolean_operands_p): Likewise.
7823 (warn_logical_not_parentheses): Likewise.
7824 (warn_if_unused_value): Likewise.
7825 (strict_aliasing_warning): Likewise.
7826 (sizeof_pointer_memaccess_warning): Likewise.
7827 (check_main_parameter_types): Likewise.
7828 (conversion_warning): Likewise.
7829 (warnings_for_convert_and_check): Likewise.
7830 (match_case_to_enum_1): Likewise.
7831 (match_case_to_enum): Likewise.
7832 (c_do_switch_warnings): Likewise.
7833 (warn_for_omitted_condop): Likewise.
7834 (readonly_error): Likewise.
7835 (lvalue_error): Likewise.
7836 (invalid_indirection_error): Likewise.
7837 (warn_array_subscript_with_type_char): Likewise.
7838 (warn_about_parentheses): Likewise.
7839 (warn_for_unused_label): Likewise.
7840 (warn_for_div_by_zero): Likewise.
7841 (warn_for_memset): Likewise.
7842 (warn_for_sign_compare): Likewise.
7843 (do_warn_double_promotion): Likewise.
7844 (do_warn_unused_parameter): Likewise.
7845 (record_locally_defined_typedef): Likewise.
7846 (maybe_record_typedef_use): Likewise.
7847 (maybe_warn_unused_local_typedefs): Likewise.
7848 (maybe_warn_bool_compare): Likewise.
7849 (maybe_warn_shift_overflow): Likewise.
7850 (warn_duplicated_cond_add_or_warn): Likewise.
7851 (diagnose_mismatched_attributes): Likewise.
7852 * c-common.h: Move the declarations from c-warn.c to its own section.
7853 * c-warn.c: New file.
7854
627be19f
JM		 78552016-10-08 Jason Merrill <jason@redhat.com>
7856
7857 * c-common.c (c_common_truthvalue_conversion): Don't distribute
7858 into COND_EXPR in C++.
7859
7bad794a
JJ		 78602016-10-08 Jakub Jelinek <jakub@redhat.com>
7861
7862 * c-lex.c (c_lex_with_flags) <case CPP_COMMENT>: For CPP_COMMENT
7863 token with PREV_FALLTHROUGH, skip all following CPP_PADDING and
7864 CPP_COMMENT tokens and set add_flags to PREV_FALLTHROUGH afterwards.
7865
be845b04
JJ		 78662016-10-07 Jakub Jelinek <jakub@redhat.com>
7867
7868 Implement LWG2296 helper intrinsic
7869 * c-common.h (enum rid): Add RID_ADDRESSOF.
7870 * c-common.c (c_common_reswords): Add __builtin_addressof.
7871
c09c4992
BE		 78722016-10-07 Bernd Edlinger <bernd.edlinger@hotmail.de>
7873
7874 PR c++/77700
7875 * c-common.c (c_common_truthvalue_conversion): Warn also for
7876 suspicious enum values in boolean context.
7877
342cfb3e
JJ		 78782016-10-06 Jakub Jelinek <jakub@redhat.com>
7879
7880 Implement P0258R2 - helper for C++17
7881 std::has_unique_object_representations trait
7882 * c-common.h (enum rid): Add RID_HAS_UNIQUE_OBJ_REPRESENTATIONS.
7883 * c-common.c (c_common_reswords): Add
7884 __has_unique_object_representations.
7885
2e69f143
JJ		 78862016-10-05 Jakub Jelinek <jakub@redhat.com>
7887
7888 PR sanitizer/66343
7889 * c-ubsan.c (ubsan_instrument_return): Don't call
7890 initialize_sanitizer_builtins here.
7891
700fff34
BE		 78922016-10-05 Bernd Edlinger <bernd.edlinger@hotmail.de>
7893
7894 * c-common.c (c_common_truthvalue_conversion): Warn also for suspicious
7895 conditional expression in boolean context when only one arm is
7896 non-boolean.
7897
9563bfcd
JJ		 78982016-10-05 Jakub Jelinek <jakub@redhat.com>
7899
04a32443
JJ		 7900 PR sanitizer/77823
7901 * c-ubsan.c (ubsan_instrument_shift): Return NULL_TREE if type0
7902 is not integral.
7903
9563bfcd
JJ		 7904 * c-common.c (c_common_reswords): Update comment for C++11.
7905
f1644724
JM		 79062016-10-04 Jason Merrill <jason@redhat.com>
7907
7908 * c-common.c (make_tree_vector_from_ctor): New.
7909 * c-common.h: Declare it.
7910
5a79befb
JJ		 79112016-10-04 Jakub Jelinek <jakub@redhat.com>
7912
7913 * c-cppbuiltin.c (c_cpp_builtins): Don't define
7914 __LIBGCC_JCR_SECTION_NAME__.
7915
1633d3b9
BE		 79162016-10-03 Bernd Edlinger <bernd.edlinger@hotmail.de>
7917
7918 * c-common.c (c_common_truthvalue_conversion): Warn for suspicious
7919 left shift in boolean context.
7920
a2c6e7f2
JJ		 79212016-09-29 Jakub Jelinek <jakub@redhat.com>
7922
7923 Implement P0001R1 - C++17 removal of register storage class specifier
7924 * c.opt (Wregister): New warning.
7925 * c-opts.c (c_common_post_options): Enable -Wregister by
7926 default for C++17.
7927
75304c87
JG		 79282016-09-29 James Greenhalgh <james.greenhalgh@arm.com>
7929
7930 * c-opts.c (c_common_post_options): Remove special case for
7931 TARGET_FLT_EVAL_METHOD_NON_DEFAULT with -fexcess-precision=standard
7932 in C++.
7933
bbfac6da
JJ		 79342016-09-27 Jakub Jelinek <jakub@redhat.com>
7935
6e39060a
JJ		 7936 * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_capture_star_this for
7937 -std=c++1z.
7938
bbfac6da
JJ		 7939 * c-ada-spec.c (print_ada_declaration): Remove break after return.
7940
e73cf9a2
TP		 79412016-09-26 Thomas Preud'homme <thomas.preudhomme@arm.com>
7942
7943 * c-common.c: Include memmodel.h.
7944
c6147dc4
MP		 79452016-09-26 Marek Polacek <polacek@redhat.com>
7946
7947 * c-lex.c (c_common_has_attribute): Handle attribute fallthrough.
7948
81fea426
MP		 79492016-09-26 Marek Polacek <polacek@redhat.com>
7950
7951 PR c/7652
7952 * c-common.c (c_common_attribute_table): Add fallthrough attribute.
7953 (handle_fallthrough_attribute): New function.
7954 (attribute_fallthrough_p): New function.
7955 * c-common.h (attribute_fallthrough_p): Declare.
7956
9a2300e9
MP		 79572016-09-24 Marek Polacek <polacek@redhat.com>
7958
7959 PR c/77490
7960 * c.opt (Wbool-operation): New.
7961
a09e9e35
BE		 79622016-09-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
7963
7964 * c-common.c (c_common_truthvalue_conversion): Inhibit
7965 Wint-in-bool-context warning with from_macro_definition_at.
7966 Mention the expression will always evaluate to true.
7967
d43b4ccc
MS		 79682016-09-21 Martin Sebor <msebor@redhat.com>
7969
7970 PR bootstrap/77676
7971 * c.opt (fprintf-return-value): Temporarily initialize to zero
7972 to unblock bootstrap failures.
7973
2e1c20b1
JJ		 79742016-09-21 Jakub Jelinek <jakub@redhat.com>
7975
7976 PR c++/77651
7977 * c.opt (Waligned-new=): Add RejectNegative.
7978 (faligned-new=): Likewise. Spelling fix - change
7979 aligned_new_threshhold to aligned_new_threshold.
7980 * c-cppbuiltin.c (c_cpp_builtins): Change aligned_new_threshhold
7981 to aligned_new_threshold.
7982
88d0c3f0
MS		 79832016-09-20 Martin Sebor <msebor@redhat.com>
7984
7985 PR middle-end/49905
7986 * c.opt: Add -Wformat-length and -fprintf-return-value.
7987
144a96e4
BE		 79882016-09-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
7989
7990 PR c++/77434
7991 * c.opt (Wint-in-bool-context): New warning.
7992 * c-common.c (c_common_truthvalue_conversion): Warn on integer
7993 constants in boolean context.
7994
63012d9a
JM		 79952016-09-19 Joseph Myers <joseph@codesourcery.com>
7996
7997 * c-common.c (max_align_t_align): Also consider alignment of
7998 float128_type_node.
7999
931388ce
JM		 80002016-09-15 Jason Merrill <jason@redhat.com>
8001
8002 * c-common.c (check_cxx_fundamental_alignment_constraints): Check
8003 DECL_EXTERNAL.
8004
38711381
JM		 80052016-09-14 Jason Merrill <jason@redhat.com>
8006
8007 * c-common.c (check_cxx_fundamental_alignment_constraints): Don't
8008 limit FIELD_DECL, either.
8009
e51fbec3
MP		 80102016-09-14 Marek Polacek <polacek@redhat.com>
8011
8012 * c-common.c (c_common_truthvalue_conversion): Use false instead of 0.
8013 * c-common.h (build_unary_op): Change nonconvert parameter type to bool.
8014 * c-omp.c (c_finish_omp_atomic): Use false instead of 0.
8015
254830ba
DM		 80162016-09-13 David Malcolm <dmalcolm@redhat.com>
8017
8018 * c-common.c (warn_logical_not_parentheses): Replace
8019 rich_location::add_fixit_insert calls with add_fixit_insert_before
8020 and add_fixit_insert_after, eliminating the "next_loc" calculation.
8021
42763690
JM		 80222016-09-13 Jason Merrill <jason@redhat.com>
8023 Tom de Vries <tom@codesourcery.com>
8024
8025 PR c++/77427
8026 * c-common.c (set_underlying_type): Don't treat array as builtin type.
8027
9453eee9
JM		 80282016-09-13 Jason Merrill <jason@redhat.com>
8029
8030 * c-common.c (check_cxx_fundamental_alignment_constraints): Don't
8031 limit types at all.
8032
e96809e3
JM		 80332016-09-12 Jason Merrill <jason@redhat.com>
8034
8035 * c-common.c (check_cxx_fundamental_alignment_constraints): Fix
8036 bit/byte confusion, allow large alignment for types.
8037
54dcdb88
BE		 80382016-09-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
8039
8040 PR c++/77496
8041 * c-common.c (warn_for_omitted_condop): Also warn for boolean data.
8042
d1463eb9
DM		 80432016-09-12 David Malcolm <dmalcolm@redhat.com>
8044
8045 PR c/72858
8046 * c-format.c (argument_parser::check_argument_type): Add params
8047 "type_start" and "conversion_char". Use the former to generate
8048 offset_to_type_start and pass it and conversion_char to
8049 check_format_types.
8050 (check_format_info_main): Capture the start of the type
8051 information as "type_start", and pass it an format_char
8052 to arg_parser.check_argument_type.
8053 (check_format_types): Provide an example in the leading comment.
8054 Add params "offset_to_type_start" and "conversion_char"; pass
8055 them to format_type_warning calls.
8056 (test_get_modifier_for_format_len): Likewise.
8057 (matching_type_p): New function.
8058 (get_format_for_type): Add param "conversion_char" and move
8059 implementation into...
8060 (get_format_for_type_1): ...new function, called twice.
8061 Use new function matching_type_p rather than checking for
8062 TYPE_CANONICAL equality.
8063 (get_corrected_substring): New function.
8064 (format_type_warning): Provide an example in the leading comment.
8065 Add params "offset_to_type_start" and "conversion_char". Replace
8066 call to get_format_for_type with call to get_corrected_substring
8067 and move rejection of hints for widths/precisions there.
8068 (assert_format_for_type_streq): Add param "conversion_char".
8069 (ASSERT_FORMAT_FOR_TYPE_STREQ): Add param CONVERSION_CHAR.
8070 (test_get_format_for_type_printf): Add conversion chars to the
8071 tests, adding coverage for various combinations of integer
8072 vs double conversions, and for preserving octal and hexadecimal
8073 conversions.
8074 (test_get_format_for_type_scanf): Add conversion chars to the
8075 tests.
8076
5b28efbb
TV		 80772016-09-10 Tom de Vries <tom@codesourcery.com>
8078
8079 PR C/71602
8080 * c-common.c (build_va_arg): Handle more strict
8081 targetm.canonical_va_list_type. Replace first argument type error with
8082 assert.
8083
3f0177e7
MS		 80842016-09-09 Martin Sebor <msebor@redhat.com>
8085
8086 PR c/77520
8087 PR c/77521
8088 * c-format.c (argument_parser::find_format_char_info): Use %qc
8089 format directive unconditionally.
8090
af63ba4b
JM		 80912016-09-09 Jason Merrill <jason@redhat.com>
8092
8093 Implement C++17 new of over-aligned types.
8094 * c.opt: Add -faligned-new and -Waligned-new.
8095 * c-common.c (max_align_t_align): Split out from...
8096 (cxx_fundamental_alignment_p): ...here.
8097 * c-common.h: Declare it.
8098 * c-cppbuiltin.c (c_cpp_builtins): Handle aligned new.
8099
c65248cb
JM		 81002016-09-09 Joseph Myers <joseph@codesourcery.com>
8101
8102 * c-cppbuiltin.c (builtin_define_type_width): New function.
8103 (builtin_define_stdint_macros, c_cpp_builtins): Define type width
8104 macros.
8105
e5106e27
DM		 81062016-09-07 David Malcolm <dmalcolm@redhat.com>
8107
8108 * c-common.c (get_cpp_ttype_from_string_type): Handle being passed
8109 a POINTER_TYPE.
8110 (substring_loc::get_location): Move to substring-locations.c,
8111 keeping implementation as...
8112 (c_get_substring_location): New function, from the above, reworked
8113 to use accessors rather than member lookup.
8114 * c-common.h (class substring_loc): Move to substring-locations.h,
8115 replacing with a forward decl.
8116 (c_get_substring_location): New decl.
8117 * c-format.c: Include "substring-locations.h".
8118 (format_warning_va): Move to substring-locations.c.
8119 (format_warning_at_substring): Likewise.
8120
ab20d992 81212016-09-06 Martin Sebor <msebor@redhat.com>
a42e7952
MS		 8122
8123 PR c/77336
8124 * c-format.c (check_function_format): Avoid issuing warnings for
8125 functions unless they call format functions with non-constant
8126 format strings.
8127
b772a565
RB		 81282016-09-06 Richard Biener <rguenther@suse.de>
8129
8130 PR c/77450
8131 * c-common.c (c_common_mark_addressable_vec): Handle
8132 COMPOUND_LITERAL_EXPR.
8133
25ff5dd3
MP		 81342016-09-05 Marek Polacek <polacek@redhat.com>
8135
8136 PR c/77423
8137 * c-common.c (bool_promoted_to_int_p): New function.
8138 (expr_has_boolean_operands_p): New function.
8139 (warn_logical_not_parentheses): Return if expr_has_boolean_operands_p.
8140 (maybe_warn_bool_compare): Use bool_promoted_to_int_p.
8141
21234eb5
TV		 81422016-09-04 Tom de Vries <tom@codesourcery.com>
8143
8144 revert:
8145 2016-08-29 Tom de Vries <tom@codesourcery.com>
8146
8147 * c-common.c (build_va_arg): Replace first argument type error
8148 with assert.
8149
9dc5773f
JJ		 81502016-09-02 Jakub Jelinek <jakub@redhat.com>
8151
8152 PR c/65467
8153 * c-omp.c (c_finish_omp_atomic): Reject _Atomic qualified expressions.
8154 (c_finish_omp_for): Reject _Atomic qualified iterators.
8155
81562016-09-01 Martin Sebor <msebor@redhat.com>
3d7b83b6
MS		 8157
8158 * c-ada-spec.c (dump_ada_function_declaration): Increase buffer
8159 size to guarantee it fits the output of the formatted function
8160 regardless of its arguments.
8161
295844f6
MP		 81622016-09-01 Marek Polacek <polacek@redhat.com>
8163
8164 PR c/7652
8165 * c-common.c (resolve_overloaded_builtin): Fix formatting. Add
8166 FALLTHRU comments.
8167
3d06b6f2
MP		 81682016-08-29 Marek Polacek <polacek@redhat.com>
8169
8170 PR c/77292
8171 * c-common.c (warn_logical_not_parentheses): Don't warn for
8172 a comparison or a logical operator.
8173
34cedad5
TV		 81742016-08-29 Tom de Vries <tom@codesourcery.com>
8175
8176 * c-common.c (build_va_arg): Fix type comparison assert.
8177
f162d717
TV		 81782016-08-29 Tom de Vries <tom@codesourcery.com>
8179
8180 * c-common.c (build_va_arg): Replace first argument type error
8181 with assert.
8182
ba9bbd6f
TV		 81832016-08-29 Tom de Vries <tom@codesourcery.com>
8184
8185 PR c/77398
8186 * c-common.c (build_va_arg): Add first argument error. Build va_arg
8187 with error_mark_node as va_list instead of with illegal va_list.
8188
ebef225f
MP		 81892016-08-25 Marek Polacek <polacek@redhat.com>
8190 David Malcolm <dmalcolm@redhat.com>
8191
8192 * c-common.c (warn_logical_not_parentheses): Print fixit hints.
8193 * c-common.h (warn_logical_not_parentheses): Update declaration.
8194
b00e6e75
MP		 81952016-08-22 Marek Polacek <polacek@redhat.com>
8196
8197 PR c++/77321
8198 * c-common.c (warn_for_memset): Check type for null.
8199
6dc198e3
JM		 82002016-08-22 Joseph Myers <joseph@codesourcery.com>
8201
14ec014e 8202 * c-cppbuiltin.c (c_cpp_builtins): Check _FloatN and
6dc198e3
JM		 8203 _FloatNx types for suffixes for built-in functions.
8204
c65699ef
JM		 82052016-08-19 Joseph Myers <joseph@codesourcery.com>
8206
8207 PR c/32187
8208 * c-common.h (RID_FLOAT16, RID_FLOATN_NX_FIRST, RID_FLOAT32)
8209 (RID_FLOAT64, RID_FLOAT128, RID_FLOAT32X, RID_FLOAT64X)
8210 (RID_FLOAT128X): New enum rid values.
8211 (CASE_RID_FLOATN_NX): New macro.
8212 * c-common.c (c_common_reswords): Add _FloatN and _FloatNx
8213 keywords.
8214 (c_common_type_for_mode): Check for _FloatN and _FloatNx and
8215 corresponding complex types.
8216 (c_common_nodes_and_builtins): For non-C++, register _FloatN and
8217 _FloatNx and corresponding complex types.
8218 (keyword_begins_type_specifier): Use CASE_RID_FLOATN_NX.
8219 * c-cppbuiltin.c (builtin_define_float_constants): Check _FloatN
8220 and _FloatNx types for the widest type for determining
8221 DECIMAL_DIG. Define __LDBL_DECIMAL_DIG__ as well as
8222 __DECIMAL_DIG__ for long double. Handle FMA_SUFFIX being NULL.
8223 (c_cpp_builtins): Call builtin_define_float_constants for _FloatN
8224 and _FloatNx types.
8225 * c-lex.c (interpret_float): Handle _FloatN and _FloatNx
8226 constants.
8227 * c-pretty-print.c (pp_c_floating_constant): Handle _FloatN and
8228 _FloatNx types.
8229
cc015f3a
DM		 82302016-08-18 David Malcolm <dmalcolm@redhat.com>
8231
8232 * c-opts.c (c_diagnostic_finalizer): Update for change to
8233 diagnostic_show_locus.
8234
cb18fd07
DM		 82352016-08-18 David Malcolm <dmalcolm@redhat.com>
8236
8237 * c-common.c: Include "spellcheck.h".
8238 (cb_get_suggestion): New function.
8239 * c-common.h (cb_get_suggestion): New decl.
8240 * c-lex.c (init_c_lex): Initialize cb->get_suggestion to
8241 cb_get_suggestion.
8242
a76989dc
MP		 82432016-08-18 Marek Polacek <polacek@redhat.com>
8244
8245 PR c/71514
8246 * c-common.c (get_atomic_generic_size): Disallow pointer-to-function
8247 and pointer-to-VLA.
8248
65e736c0
DM		 82492016-08-16 David Malcolm <dmalcolm@redhat.com>
8250
8251 PR c/72857
8252 * c-common.c (substring_loc::get_range): Rename to...
8253 (substring_loc::get_location): ...this, converting param from a
8254 source_range * to a location_t *. Call
8255 get_source_location_for_substring rather than
8256 get_source_range_for_substring, and pass in m_caret_idx.
8257 * c-common.h (substring_loc::substring_loc): Add param "caret_idx".
8258 (substring_loc::get_range): Replace with...
8259 (substring_loc::get_location): ...this.
8260 (substring_loc::set_caret_index): New method.
8261 (substring_loc): Add field m_caret_idx.
8262 * c-format.c (format_warning_va): Update for above changes.
8263 Rename local "substring_loc" to "fmt_substring_loc" to avoid
8264 clashing with type name.
8265 (format_warning_at_char): Add caret_idx param to substring_loc ctor.
8266 (check_argument_type): Likewise.
8267 (format_type_warning): Rename param "fmt_loc" to "whole_fmt_loc"
8268 Use a copy when emitting warnings, setting the caret index from TYPE.
8269
7e1dde14 82702016-08-16 Eric Botcazou <ebotcazou@adacore.com>
8e745a17 8271 Arnaud Charlet <charlet@adacore.com>
7e1dde14
EB		 8272
8273 * c-ada-spec.c (dump_number): New function.
8274 (handle_escape_character): Likewise.
8275 (print_ada_macros): Add handling of constant integers and strings.
8276
191816a3
MP		 82772016-08-12 Marek Polacek <polacek@redhat.com>
8278
8279 PR c/7652
8280 * c-common.c (scalar_to_vector): Adjust fall through comment.
8281 * c-opts.c (c_common_handle_option): Likewise.
8282 * c-pragma.c (handle_pragma_pack): Add FALLTHRU.
8283 * c-pretty-print.c (c_pretty_printer::postfix_expression): Adjust
8284 fall through comment.
8285 * cilk.c (extract_free_variables): Add FALLTHRU.
8286
452df4a4
JM		 82872016-08-10 Jason Merrill <jason@redhat.com>
8288
8289 * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_if_constexpr.
8290
f3365c12
JM		 82912016-08-09 Jason Merrill <jason@redhat.com>
8292
8293 * c-common.c (c_common_attribute_table): vector_size affects type
8294 identity.
8295
f0bc3323
MP		 82962016-08-09 Marek Polacek <polacek@redhat.com>
8297
8298 PR c/7652
8299 * c-ada-spec.c (dump_generic_ada_node): Add return.
8300
98e5a19a
JM		 83012016-08-09 Jason Merrill <jason@redhat.com>
8302
8303 * c-cppbuiltin.c (c_cpp_builtins): Update __cpp_constexpr for
8304 C++17 constexpr lambdas.
8305
895aa8e1
DM		 83062016-08-08 David Malcolm <dmalcolm@redhat.com>
8307
8308 PR c/64955
8309 * c-common.h (selftest::c_format_c_tests): New declaration.
8310 (selftest::run_c_tests): New declaration.
8311 * c-format.c: Include "selftest.h.
8312 (format_warning_va): Add param "corrected_substring" and use
8313 it to add a replacement fix-it hint.
8314 (format_warning_at_substring): Likewise.
8315 (format_warning_at_char): Update for new param of
8316 format_warning_va.
8317 (argument_parser::check_argument_type): Pass "fki" to
8318 check_format_types.
8319 (check_format_types): Add param "fki" and pass it to
8320 format_type_warning.
8321 (deref_n_times): New function.
8322 (get_modifier_for_format_len): New function.
8323 (selftest::test_get_modifier_for_format_len): New function.
8324 (get_format_for_type): New function.
8325 (format_type_warning): Add param "fki" and use it to attempt
8326 to provide hints for argument types when calling
8327 format_warning_at_substring.
8328 (selftest::get_info): New function.
8329 (selftest::assert_format_for_type_streq): New function.
8330 (ASSERT_FORMAT_FOR_TYPE_STREQ): New macro.
8331 (selftest::test_get_format_for_type_printf): New function.
8332 (selftest::test_get_format_for_type_scanf): New function.
8333 (selftest::c_format_c_tests): New function.
8334
e52ed3fe
DM		 83352016-08-08 David Malcolm <dmalcolm@redhat.com>
8336
8337 PR c/52952
8338 * c-format.c: Include "diagnostic.h".
8339 (location_column_from_byte_offset): Delete.
8340 (location_from_offset): Delete.
8341 (format_warning_va): New function.
8342 (format_warning_at_substring): New function.
8343 (format_warning_at_char): New function.
8344 (check_format_arg): Capture location of format_tree and pass to
8345 check_format_info_main.
8346 (argument_parser): Add fields "start_of_this_format" and
8347 "format_string_cst".
8348 (flag_chars_t::validate): Add param "format_string_cst". Convert
8349 warning_at call using location_from_offset to call to
8350 format_warning_at_char.
8351 (argument_parser::argument_parser): Add param "format_string_cst_"
8352 and use use it to initialize field "format_string_cst".
8353 Initialize new field "start_of_this_format".
8354 (argument_parser::read_format_flags): Convert warning_at call
8355 using location_from_offset to a call to format_warning_at_char.
8356 (argument_parser::read_any_format_left_precision): Likewise.
8357 (argument_parser::read_any_format_precision): Likewise.
8358 (argument_parser::read_any_other_modifier): Likewise.
8359 (argument_parser::find_format_char_info): Likewise, in three places.
8360 (argument_parser::parse_any_scan_set): Likewise, in one place.
8361 (argument_parser::handle_conversions): Likewise, in two places.
8362 (argument_parser::check_argument_type): Add param "fmt_param_loc"
8363 and use it to make a substring_loc. Pass the latter to
8364 check_format_types.
8365 (check_format_info_main): Add params "fmt_param_loc" and
8366 "format_string_cst". Convert warning_at calls using
8367 location_from_offset to calls to format_warning_at_char. Pass the
8368 new params to the arg_parser ctor. Pass "format_string_cst" to
8369 flag_chars.validate. Pass "fmt_param_loc" to
8370 arg_parser.check_argument_type.
8371 (check_format_types): Convert first param from a location_t
8372 to a const substring_loc & and rename to "fmt_loc". Attempt
8373 to extract the range of the relevant parameter and pass it
8374 to format_type_warning.
8375 (format_type_warning): Convert first param from a location_t
8376 to a const substring_loc & and rename to "fmt_loc". Add
8377 params "param_range" and "type". Replace calls to warning_at
8378 with calls to format_warning_at_substring.
8379
1c4d457e
DM		 83802016-08-08 David Malcolm <dmalcolm@redhat.com>
8381
8382 * c-format.c (class flag_chars_t): New class.
8383 (struct length_modifier): New struct.
8384 (class argument_parser): New class.
8385 (flag_chars_t::flag_chars_t): New ctor.
8386 (flag_chars_t::has_char_p): New method.
8387 (flag_chars_t::add_char): New method.
8388 (flag_chars_t::validate): New method.
8389 (flag_chars_t::get_alloc_flag): New method.
8390 (flag_chars_t::assignment_suppression_p): New method.
8391 (argument_parser::argument_parser): New ctor.
8392 (argument_parser::read_any_dollar): New method.
8393 (argument_parser::read_format_flags): New method.
8394 (argument_parser::read_any_format_width): New method.
8395 (argument_parser::read_any_format_left_precision): New method.
8396 (argument_parser::read_any_format_precision): New method.
8397 (argument_parser::handle_alloc_chars): New method.
8398 (argument_parser::read_any_length_modifier): New method.
8399 (argument_parser::read_any_other_modifier): New method.
8400 (argument_parser::find_format_char_info): New method.
8401 (argument_parser::validate_flag_pairs): New method.
8402 (argument_parser::give_y2k_warnings): New method.
8403 (argument_parser::parse_any_scan_set): New method.
8404 (argument_parser::handle_conversions): New method.
8405 (argument_parser::check_argument_type): New method.
8406 (check_format_info_main): Introduce classes argument_parser
8407 and flag_chars_t, moving the code within the loop into methods
8408 of these classes. Make various locals "const".
8409
88fa5555
DM		 84102016-08-05 David Malcolm <dmalcolm@redhat.com>
8411
8412 * c-common.c: Include "substring-locations.h".
8413 (get_cpp_ttype_from_string_type): New function.
8414 (g_string_concat_db): New global.
8415 (substring_loc::get_range): New method.
8416 * c-common.h (g_string_concat_db): New declaration.
8417 (class substring_loc): New class.
8418 * c-lex.c (lex_string): When concatenating strings, capture the
8419 locations of all tokens using a new obstack, and record the
8420 concatenation locations within g_string_concat_db.
8421 * c-opts.c (c_common_init_options): Construct g_string_concat_db
8422 on the ggc-heap.
8423
78169471
MP		 84242016-07-29 Marek Polacek <polacek@redhat.com>
8425
638fc14f
MP		 8426 PR c/71926
8427 * c-common.c (c_common_truthvalue_conversion): Use LOCATION for the
8428 parentheses warning.
8429
78169471
MP		 8430 PR c/71574
8431 * c-common.c (handle_alloc_align_attribute): Also check FUNCTION_DECL.
8432
1225d6b1
ML		 84332016-07-28 Martin Liska <mliska@suse.cz>
8434
8435 PR gcov-profile/68025
8436 * c-common.c (handle_no_profile_instrument_function_attribute):
8437
ec1e2a40
BE		 84382016-07-27 Bernd Edlinger <bernd.edlinger@hotmail.de>
8439
8440 * c-common.c (check_user_alignment): Use LOG2_BITS_PER_UNIT instead of
8441 BITS_PER_UNIT_LOG.
8442
5ec2cd9f
JM		 84432016-07-25 Jason Merrill <jason@redhat.com>
8444
8445 PR c++/65970
8446 * c.opt (fconstexpr-loop-limit): New.
8447
9dc5773f 84482016-07-22 Martin Sebor <msebor@redhat.com>
2e6b45af
MS		 8449
8450 PR c++/71675
8451 * c-common.c (resolve_overloaded_builtin): Avoid converting
8452 __atomic_compare_exchange_n return type to that of what its
8453 first argument points to.
8454
e3fe09c1
UB		 84552016-07-22 Uros Bizjak <ubizjak@gmail.com>
8456
8457 * c-common.c: Use HOST_WIDE_INT_M1U instead of
8458 ~(unsigned HOST_WIDE_INT) 0.
8459
bc91c436
ML		 84602016-07-22 Martin Liska <mliska@suse.cz>
8461
8462 PR gcov-profile/69028
8463 PR gcov-profile/62047
8464 * cilk.c (create_cilk_helper_decl): Set location of a new decl
8465 to the current_function_decl.
8466
451dcc66
JM		 84672016-07-21 Jason Merrill <jason@redhat.com>
8468
8469 PR c++/65168
8470 * c-common.c (c_common_truthvalue_conversion): Check
8471 c_inhibit_evaluation_warnings for warning about address of
8472 reference.
8473
de6a69ee
DM		 84742016-07-20 David Malcolm <dmalcolm@redhat.com>
8475
8476 * c-common.h (lookup_name_fuzzy): Convert return type from tree to
8477 const char *.
8478
d022c55a
JM		 84792016-07-15 Jason Merrill <jason@redhat.com>
8480
8481 * c-opts.c (c_common_post_options): Update -fabi-version default to 11.
8482
ddbbcb19
JJ		 84832016-07-15 Jakub Jelinek <jakub@redhat.com>
8484
8485 PR c/71858
8486 * c-common.h (enum lookup_name_fuzzy_kind): Add
8487 FUZZY_LOOKUP_FUNCTION_NAME.
8488
d0cf395a
JM		 84892016-07-08 Jason Merrill <jason@redhat.com>
8490
8491 P0145: Refining Expression Order for C++.
8492 * c.opts (-fargs-in-order): Rename to -fstrong-eval-order.
8493 * c-opts.c: Adjust.
8494
98d44e93
MT		 84952016-07-05 Markus Trippelsdorf <markus@trippelsdorf.de>
8496
8497 PR c++/71214
8498 * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_rvalue_references.
8499
f9d8d994
TS		 85002016-06-29 Thomas Schwinge <thomas@codesourcery.com>
8501
8502 * c-pragma.h (enum pragma_kind): Rename
8503 PRAGMA_OMP_DECLARE_REDUCTION to PRAGMA_OMP_DECLARE. Adjust all
8504 users.
8505
4aa83879
RB		 85062016-06-29 Richard Biener <rguenther@suse.de>
8507
8508 PR middle-end/71002
8509 * c-common.c (c_common_get_alias_set): Remove union type punning case.
8510
a25bd9e6
JM		 85112016-06-24 Jason Merrill <jason@redhat.com>
8512
8513 P0145R2: Refining Expression Order for C++.
8514 * c-common.c (verify_tree) [COMPOUND_EXPR]: Fix handling on LHS of
8515 MODIFY_EXPR.
8516
a86451b9
JJ		 85172016-06-24 Jakub Jelinek <jakub@redhat.com>
8518
8519 * c-common.c (check_builtin_function_arguments): Require last
8520 argument of BUILT_IN_*_OVERFLOW_P to have INTEGER_TYPE type.
8521 Adjust wording of diagnostics for BUILT_IN_*_OVERLFLOW
8522 if the last argument is pointer to enumerated or boolean type.
8523
1a4f11c8
DM		 85242016-06-22 David Malcolm <dmalcolm@redhat.com>
8525
8526 PR c/70339
8527 * c-common.h (enum lookup_name_fuzzy_kind): New enum.
8528 (lookup_name_fuzzy): New prototype.
8529
fe55692c
JDA		 85302016-06-21 John David Anglin <danglin@gcc.gnu.org>
8531
8532 * c-common.c (get_source_date_epoch): Use int64_t instead of long long.
8533
4eb24e01
JM		 85342016-06-14 Jason Merrill <jason@redhat.com>
8535
8536 P0145R2: Refining Expression Order for C++.
8537 * c.opt (fargs-in-order): New.
8538 * c-opts.c (c_common_post_options): Adjust flag_args_in_order.
8539
ef7cf206
JJ		 85402016-06-13 Jakub Jelinek <jakub@redhat.com>
8541
0dda258b
JJ		 8542 PR sanitizer/71498
8543 * c-gimplify.c (ubsan_walk_array_refs_r): Set *walk_subtrees = 0 on
8544 all BIND_EXPRs, and on all BIND_EXPRs recurse also on BIND_EXPR_BODY.
8545
ef7cf206
JJ		 8546 PR preprocessor/71183
8547 * c-ppoutput.c (init_pp_output): Set cb->get_source_date_epoch
8548 to cb_get_source_date_epoch.
8549
50b15873
JJ		 85502016-06-10 Jakub Jelinek <jakub@redhat.com>
8551
8552 PR c/68657
8553 * c.opt (Wpsabi): Add Warning flag.
8554
4d926e34
MS		 85552016-06-10 Martin Sebor <msebor@redhat.com>
8556
8557 PR c/71392
14ec014e 8558 * c-common.c (handle_nonnull_attribute): Accept
4d926e34
MS		 8559 the nonnull attribute in type-generic builtins.
8560
e01b4e16
MS		 85612016-06-09 Martin Sebor <msebor@redhat.com>
8562
8563 PR c/70883
8564 * c-common.c (builtin_function_validate_nargs): Make text of error
8565 message consistent with others like it.
8566
44a845ca
MS		 85672016-06-08 Martin Sebor <msebor@redhat.com>
8568 Jakub Jelinek <jakub@redhat.com>
8569
8570 PR c++/70507
8571 PR c/68120
8572 * c-common.c (check_builtin_function_arguments): Handle
8573 BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
8574
a80a7051
RB		 85752016-06-08 Richard Biener <rguenther@suse.de>
8576
8577 * c-common.c (parse_optimize_options): Improve diagnostic messages.
8578
bfd67b47
RB		 85792016-06-07 Richard Biener <rguenther@suse.de>
8580
8581 PR c/61564
8582 * c-common.c (parse_optimize_options): Only apply CL_OPTIMIZATION
8583 options and warn about others.
8584
15c98b2e
ES		 85852016-06-01 Eduard Sanou <dhole@openmailbox.org>
8586
8587 * c-common.c (get_source_date_epoch): Rename to
8588 cb_get_source_date_epoch.
8589 * c-common.c (cb_get_source_date_epoch): Use a single generic erorr
8590 message when the parsing fails. Use error_at instead of fatal_error.
8591 * c-common.h (get_source_date_epoch): Rename to
8592 cb_get_source_date_epoch.
8593 * c-common.h (cb_get_source_date_epoch): Prototype.
8594 * c-common.h (MAX_SOURCE_DATE_EPOCH): Define.
8595 * c-common.h (c_omp_region_type): Remove trailing comma.
8596 * c-lex.c (init_c_lex): Set cb->get_source_date_epoch callback.
8597 * c-lex.c (c_lex_with_flags): Remove initialization of
8598 pfile->source_date_epoch.
8599
00631022
JJ		 86002016-05-30 Jakub Jelinek <jakub@redhat.com>
8601
8602 PR c++/71349
8603 * c-omp.c (c_omp_split_clauses): Put OMP_CLAUSE_DEPEND to
8604 C_OMP_CLAUSE_SPLIT_TARGET. Put OMP_CLAUSE_NOWAIT to
8605 C_OMP_CLAUSE_SPLIT_TARGET if combined with target construct,
8606 instead of C_OMP_CLAUSE_SPLIT_FOR.
8607
f17a223d
RB		 86082016-05-24 Richard Biener <rguenther@suse.de>
8609
8610 PR middle-end/70434
8611 PR c/69504
8612 * c-common.h (convert_vector_to_pointer_for_subscript): Rename to ...
8613 (convert_vector_to_array_for_subscript): ... this.
8614 * c-common.c (convert_vector_to_pointer_for_subscript): Use a
8615 VIEW_CONVERT_EXPR to an array type. Rename to ...
8616 (convert_vector_to_array_for_subscript): ... this.
8617
4f2e1536
MP		 86182016-05-12 Marek Polacek <polacek@redhat.com>
8619
8620 PR c/70756
8621 * c-common.c (pointer_int_sum): Call size_in_bytes_loc instead of
8622 size_in_bytes and pass LOC to it.
8623
d6e83a8d
MM		 86242016-05-11 Mikhail Maltsev <maltsevm@gmail.com>
8625
8626 PR c/43651
8627 * c.opt (Wduplicate-decl-specifier): New option.
8628
5c3a10fb
MP		 86292016-05-11 Marek Polacek <polacek@redhat.com>
8630
8631 PR c++/71024
8632 * c-common.c (diagnose_mismatched_attributes): New function.
8633 * c-common.h (diagnose_mismatched_attributes): Declare.
8634
deef7113
MP		 86352016-05-04 Marek Polacek <polacek@redhat.com>
8636
8637 * c.opt (Wdangling-else): New option.
8638
79ce98bc
MP		 86392016-05-03 Marek Polacek <polacek@redhat.com>
8640
8641 PR c/70859
8642 * c-common.c (builtin_function_validate_nargs): Add location
8643 parameter. Use it.
8644 (check_builtin_function_arguments): Add location and arguments
8645 parameters. Use them.
8646 * c-common.h (check_builtin_function_arguments): Update declaration.
8647
381cdae4
RB		 86482016-05-03 Richard Biener <rguenther@suse.de>
8649
8650 * cilk.c (cilk_gimplify_call_params_in_spawned_fn): Do not
8651 allow call args to gimplify to SSA names.
8652
1d793c34
MP		 86532016-05-03 Marek Polacek <polacek@redhat.com>
8654
8655 * c-common.h (enum c_omp_region_type): Remove stray comma.
8656
77886428
CP		 86572016-05-02 Cesar Philippidis <cesar@codesourcery.com>
8658
8659 * c-common.h (enum c_omp_region_type): Define.
8660
697e0b28
RS		 86612016-05-02 Richard Sandiford <richard.sandiford@arm.com>
8662
8663 * c-common.c (shorten_compare): Use wi::to_wide.
8664
e7ff0319
CP		 86652016-04-29 Cesar Philippidis <cesar@codesourcery.com>
8666
8667 PR middle-end/70626
8668 * c-common.h (c_oacc_split_loop_clauses): Add boolean argument.
8669 * c-omp.c (c_oacc_split_loop_clauses): Use it to duplicate
8670 reduction clauses in acc parallel loops.
8671
2fff3db8
MP		 86722016-04-29 Marek Polacek <polacek@redhat.com>
8673
8674 PR c/70852
8675 * c-common.c (warn_for_memset): Check domain before accessing it.
8676
509063eb
DV		 86772016-04-29 Dominik Vogt <vogt@linux.vnet.ibm.com>
8678
8679 PR/69089
8680 * c-common.c (handle_aligned_attribute): Allow 0 as an argument to the
8681 "aligned" attribute.
8682
b632761d
JM		 86832016-04-28 Jason Merrill <jason@redhat.com>
8684
8685 * c-lex.c (c_common_has_attribute): Handle nodiscard.
8686
174f6622
ES		 86872016-04-28 Eduard Sanou <dhole@openmailbox.org>
8688 Matthias Klose <doko@debian.org>
8689
8690 * c-common.c (get_source_date_epoch): New function, gets the environment
7365279f 8691 variable SOURCE_DATE_EPOCH and parses it as long long with error
174f6622
ES		 8692 handling.
8693 * c-common.h (get_source_date_epoch): Prototype.
8694 * c-lex.c (c_lex_with_flags): set parse_in->source_date_epoch.
8695
6bc2bb18
RB		 86962015-04-27 Ryan Burn <contact@rnburn.com>
8697
8698 PR c++/69024
8699 PR c++/68997
8700 * cilk.c (cilk_ignorable_spawn_rhs_op): Change to external linkage.
8701 (cilk_recognize_spawn): Renamed from recognize_spawn and change to
8702 external linkage.
8703 (cilk_detect_and_unwrap): Corresponding changes.
8704 (extract_free_variables): Don't extract free variables from
8705 AGGR_INIT_EXPR slot.
8706 * c-common.h (cilk_ignorable_spawn_rhs_op): Prototype.
8707 (cilk_recognize_spawn): Likewise.
8708
c1e1f433
BS		 87092016-04-27 Bernd Schmidt <bschmidt@redhat.com>
8710
8711 * c.opt (Wmemset-elt-size): New option.
8712 * c-common.c (warn_for_memset): New function.
8713 * c-common.h (warn_for_memset): Declare.
8714
d067e05f
JM		 87152016-04-25 Jason Merrill <jason@redhat.com>
8716
8717 * c-common.c (handle_unused_attribute): Accept CONST_DECL.
8718 No longer static.
8719 * c-common.h: Declare it.
8720 * c-lex.c (c_common_has_attribute): Add maybe_unused.
8721
9aa36ae5
JM		 87222016-04-22 Jason Merrill <jason@redhat.com>
8723
8724 * c-cppbuiltin.c (c_cpp_builtins): Fix __cpp_range_based_for.
8725
477d4906
IV		 87262016-04-20 Ilya Verbin <ilya.verbin@intel.com>
8727
8728 PR c++/69363
8729 * c-cilkplus.c (c_finish_cilk_clauses): Remove function.
8730 * c-common.h (c_finish_cilk_clauses): Remove declaration.
8731
fe37c7af
MM		 87322016-04-18 Michael Matz <matz@suse.de>
8733
8734 * c-common.c (handle_aligned_attribute): Use SET_TYPE_ALIGN
8735 and SET_DECL_ALIGN.
8736
23f2660f
EB		 87372016-04-17 Eric Botcazou <ebotcazou@adacore.com>
8738
8739 * c-ada-spec.c (get_underlying_decl): Return the typedef, if any.
8740 (dump_generic_ada_node) <POINTER_TYPE>: Clean up handling of access
8741 to incomplete types.
8742 (dump_nested_type): Remove redundant tests and tidy up.
8743 (print_ada_declaration): Also set TREE_VISITED on the declaration of
8744 a type which is the typedef of an original type.
8745
1e77281b
MP		 87462016-04-15 Marek Polacek <polacek@redhat.com>
8747
8748 PR c/70651
8749 * c-common.c (build_va_arg): Change two asserts into errors and return
8750 error_mark_node.
8751
b3a77f21
MP		 87522016-04-13 Marek Polacek <polacek@redhat.com>
8753
8754 PR c++/70639
8755 * c-indentation.c (should_warn_for_misleading_indentation): Bail out
8756 for switch statements, too.
8757
322b8466
JM		 87582016-03-28 Jason Merrill <jason@redhat.com>
8759
8760 * c-cppbuiltin.c (c_cpp_builtins): Update __cpp_range_based_for.
8761
fbdb6baf
MP		 87622016-03-23 Marek Polacek <polacek@redhat.com>
8763
8764 PR c++/69884
8765 * c.opt (Wignored-attributes): New option.
8766
5c240f4d
DM		 87672016-03-22 David Malcolm <dmalcolm@redhat.com>
8768
8769 PR c/69993
8770 * c-indentation.c (warn_for_misleading_indentation): Rewrite the
8771 diagnostic text, reversing the order of the warning and note so
8772 that they appear in source order.
8773
14ba7b28
MP		 87742016-03-17 Marek Polacek <polacek@redhat.com>
8775
8776 PR c/69407
8777 * c-common.c (resolve_overloaded_builtin): Set TREE_USED for the fetch
8778 operations.
8779
08a1cadc
JM		 87802016-03-14 Jason Merrill <jason@redhat.com>
8781
2aaeea19
JM		 8782 * c-cppbuiltin.c (c_cpp_builtins): Set __cpp_hex_float.
8783
08a1cadc
JM		 8784 * c-cppbuiltin.c (c_cpp_builtins): Bump __cpp_range_based_for.
8785
c06d25bb
RB		 87862016-03-09 Richard Biener <rguenther@suse.de>
8787
8788 PR c/70143
8789 * c-common.c (strict_aliasing_warning): Add back
8790 alias_sets_conflict_p check.
8791
80aac5c8
JM		 87922016-03-08 Jason Merrill <jason@redhat.com>
8793
8794 * c-opts.c (set_std_cxx1z): Don't enable concepts.
8795
64b23c13
DM		 87962016-03-04 David Malcolm <dmalcolm@redhat.com>
8797
8798 PR c/68187
8799 * c-indentation.c (get_visual_column): Move code to determine next
8800 tab stop to...
8801 (next_tab_stop): ...this new function.
8802 (line_contains_hash_if): Delete function.
8803 (detect_preprocessor_logic): Delete function.
8804 (get_first_nws_vis_column): New function.
8805 (detect_intervening_unindent): New function.
8806 (should_warn_for_misleading_indentation): Replace call to
8807 detect_preprocessor_logic with a call to
8808 detect_intervening_unindent.
8809
729526f5
DM		 88102016-03-04 David Malcolm <dmalcolm@redhat.com>
8811
8812 PR c/68187
8813 * c-indentation.c (should_warn_for_misleading_indentation): When
8814 suppressing warnings about cases where the guard and body are on
8815 the same column, only use the first non-whitespace column in place
8816 of the guard token column when dealing with "else" clauses.
8817 When rejecting aligned BODY and NEXT, loosen the requirement
8818 from equality with the first non-whitespace of guard to simply
8819 that they not be indented relative to it.
8820
e9a35493
RB		 88212016-03-04 Richard Biener <rguenther@suse.de>
8822
8823 PR c++/70054
8824 * c-common.c (strict_aliasing_warning): Use alias_set_subset_of
8825 instead of alias_sets_conflict_p.
8826
1be56bc5
MP		 88272016-03-01 Marek Polacek <polacek@redhat.com>
8828
8829 PR c++/69795
8830 * c-common.c (reject_gcc_builtin): Check for FUNCTION_DECL rather than
8831 any DECL.
8832
35886f0b
MS		 88332016-02-22 Martin Sebor <msebor@redhat.com>
8834
8835 PR middle-end/69780
8836 * c-common.c (check_builtin_function_arguments): Validate and
8837 reject invalid arguments to __builtin_alloca_with_align.
8838
4246c8da
MW		 88392016-02-20 Mark Wielaard <mjw@redhat.com>
8840
8841 PR c/28901
8842 * c.opt (Wunused-const-variable): Turn into Alias for...
8843 (Wunused-const-variable=): New option.
8844
268be88c
BE		 88452016-02-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
8846
8847 PR c++/69865
8848 * c-opts.c (c_common_post_options): Move call to set_std_cxx14 from
8849 here...
8850 (c_common_init_options): ...to here.
8851 (set_std_cxx98): Initialize flag_isoc94 and flag_isoc99.
8852
871b3f47
JJ		 88532016-02-19 Jakub Jelinek <jakub@redhat.com>
8854
8855 PR c++/69826
8856 * c-pragma.c (c_pp_lookup_pragma): Handle PRAGMA_CILK_GRAINSIZE.
8857 (init_pragma): Register PRAGMA_CILK_GRAINSIZE even for
8858 flag_preprocess_only.
8859
bf14eba2
JJ		 88602016-02-16 Jakub Jelinek <jakub@redhat.com>
8861
8862 PR c/69835
8863 * c.opt (Wnonnull-compare): Enable for -Wall.
8864
ba6b3795
JJ		 88652016-02-15 Jakub Jelinek <jakub@redhat.com>
8866
8867 PR c++/69797
8868 * c-common.c (sync_resolve_size): Diagnose too few arguments
8869 even when params is non-NULL empty vector.
8870
a011cd92
BS		 88712016-02-08 Bernd Schmidt <bschmidt@redhat.com>
8872
8873 PR target/60410
8874 * c.opt (fshort-double): Remove.
8875
46cb9332
MS		 88762016-02-05 Martin Sebor <msebor@redhat.com>
8877
8878 PR c++/69662
8879 * c.opt (Warning options): Update -Wplacement-new to take
8880 an optional argument.
8881
e1b81f2b
JJ		 88822016-02-01 Jakub Jelinek <jakub@redhat.com>
8883
8884 PR preprocessor/69543
8885 PR c/69558
8886 * c-pragma.c (handle_pragma_diagnostic): Pass input_location
8887 instead of loc to control_warning_option.
8888
b6adbb9f
NS		 88892016-02-01 Nathan Sidwell <nathan@codesourcery.com>
8890
8891 * c.opt (fopenacc-dim=): New option.
8892
5d70666e
RB		 88932016-01-27 Ryan Burn <contact@rnburn.com>
8894
8895 PR cilkplus/69267
8896 * cilk.c (cilk_gimplify_call_params_in_spawned_fn): Change to use
8897 gimplify_arg. Removed superfluous post_p argument.
8898 * c-family.h (cilk_gimplify_call_params_in_spawned_fn): Removed
8899 superfluous post_p argument.
8900 * c-gimplify.c (c_gimplify_expr): Likewise.
8901
01e1dea3
DM		 89022016-01-26 David Malcolm <dmalcolm@redhat.com>
8903
8904 PR other/69006
8905 * c-opts.c (c_diagnostic_finalizer): Replace invocation of
8906 pp_newline_and_flush with pp_flush.
8907
9f04a53e
MS		 89082016-01-20 Martin Sebor <msebor@redhat.com>
8909
8910 PR c/69405
8911 * c-common.c (sync_resolve_size): Avoid printing diagnostic about
8912 an incompatible argument when the argument isn't a valid tree node.
8913
7f26f7df
JM		 89142016-01-18 Jason Merrill <jason@redhat.com>
8915
8916 PR c++/68767
8917 * c-common.c (check_function_arguments_recurse): Fold the whole
8918 COND_EXPR, not just the condition.
8919
f62bf092
TV		 89202016-01-18 Tom de Vries <tom@codesourcery.com>
8921
8922 * c-omp.c (c_oacc_split_loop_clauses): Don't copy OMP_CLAUSE_REDUCTION,
8923 classify as loop clause.
8924
e0a575ff
JJ		 89252016-01-15 Jakub Jelinek <jakub@redhat.com>
8926
8927 PR bootstrap/68271
8928 * c-pragma.c (c_register_pragma_1): Adjust comment to note that
8929 C++ FE no longer has limit on number of pragmas.
8930
89312015-01-14 Ryan Burn <contact@rnburn.com>
b6e3db06
RB		 8932
8933 PR c++/69048
8934 * cilk.c (create_cilk_wrapper_body): Call fold_build_cleanup_point_expr
c47eaca6 8935 to add missing cleanup point.
b6e3db06 8936
c7df95d8
DM		 89372016-01-14 David Malcolm <dmalcolm@redhat.com>
8938
8939 PR c++/68819
8940 * c-indentation.c (get_visual_column): Add location_t param.
8941 Handle the column number being zero by effectively disabling the
8942 warning, with an "inform".
8943 (should_warn_for_misleading_indentation): Add location_t argument
8944 for all uses of get_visual_column.
8945
21efdd80
PP		 89462016-01-10 Patrick Palka <ppalka@gcc.gnu.org>
8947
8948 PR c++/69029
8949 * c-indentation.c (should_warn_for_misleading_indentation):
8950 Don't warn about do-while statements.
8951
7a127fa7
MS		 89522016-01-07 Martin Sebor <msebor@redhat.com>
8953
8954 PR c/68966
8955 * c-common.c (sync_resolve_size): Reject first argument when it's
8956 a pointer to _Bool.
8957
c589e975
DM		 89582016-01-05 David Malcolm <dmalcolm@redhat.com>
8959
8960 PR c/69122
8961 * c-indentation.c (get_visual_column): Remove default argument.
8962 (should_warn_for_misleading_indentation): For the multiline case,
8963 update call to get_visual_column for next_stmt_exploc so that it
8964 captures the location of the first non-whitespace character in the
8965 relevant line. Don't issue warnings if there is non-whitespace
8966 before the next statement.
8967
818ab71a
JJ		 89682016-01-04 Jakub Jelinek <jakub@redhat.com>
8969
8970 Update copyright years.
8971
745e411d
DM		 89722015-12-21 David Malcolm <dmalcolm@redhat.com>
8973
8974 * c-common.c (binary_op_error): Convert first param from
8975 location_t to rich_location * and use it when emitting an error.
8976 * c-common.h (binary_op_error): Convert first param from
8977 location_t to rich_location *.
8978
de67c4c3
DM		 89792015-12-16 David Malcolm <dmalcolm@redhat.com>
8980
8981 * c-common.h (conflict_marker_get_final_tok_kind): New prototype.
8982 * c-lex.c (conflict_marker_get_final_tok_kind): New function.
8983
4a38b02b
IV		 89842015-12-15 Ilya Verbin <ilya.verbin@intel.com>
8985
8986 * c-common.c (c_common_attribute_table): Handle "omp declare target
8987 link" attribute.
8988
54d62f51
JJ		 89892015-12-14 Jakub Jelinek <jakub@redhat.com>
8990
8991 PR c/68833
8992 * c.opt (Wmissing-format-attribute, Wnormalized): Add Warning option.
8993
8d4227c8
TB		 89942014-12-12 Tobias Burnus <burnus@net-b.de>
8995
8996 PR fortran/68815
8997 * c-format.c (gcc_gfc_char_table): Add 'q' flag to remaining
8998 specifiers (%d, %i,%u and %c).
8999
f6069ccc
DM		 90002015-12-10 David Malcolm <dmalcolm@redhat.com>
9001
9002 * c.opt (Wmisleading-indentation): Add to -Wall for C and C++.
9003
63bbf46d
JJ		 90042015-12-08 Jakub Jelinek <jakub@redhat.com>
9005
9006 PR c/48088
9007 PR c/68657
9008 * c.opt (Wfloat-conversion, Wsign-conversion): Add Warning.
9009 * c-pragma.c (handle_pragma_diagnostic): Adjust
9010 control_warning_option caller.
9011
f79520bb
DM		 90122015-12-07 David Malcolm <dmalcolm@redhat.com>
9013
9014 * c-common.c (c_cpp_error): Update for change to
9015 rich_location::set_range.
9016
b3d5bc62
JJ		 90172015-12-04 Paolo Bonzini <bonzini@gnu.org>
9018
9019 * c-common.c (maybe_warn_shift_overflow): Warn on all overflows if
9020 shifting 1 out of the sign bit.
9021
90222015-12-04 Kirill Yukhin <kirill.yukhin@intel.com>
9023
9024 * c-common.c (c_common_attribute_table[]): Update max arguments
9025 count for "simd" attribute.
9026 (handle_simd_attribute): Parse "notinbranch" and "inbranch" arguments.
9027
6eb4a537
JJ		 90282015-12-03 Jakub Jelinek <jakub@redhat.com>
9029
9030 PR preprocessor/57580
9031 * c-ppoutput.c (print): Change printed field to bool.
9032 Move src_file last for smaller padding.
9033 (init_pp_output): Set print.printed to false instead of 0.
9034 (scan_translation_unit): Fix up formatting. Set print.printed
9035 to true after printing something other than newline.
9036 (scan_translation_unit_trad): Set print.printed to true instead of 1.
9037 (maybe_print_line_1): Set print.printed to false instead of 0.
9038 (print_line_1): Likewise.
9039 (do_line_change): Set print.printed to true instead of 1.
9040 (cb_define, dump_queued_macros, cb_include, cb_def_pragma,
9041 dump_macro): Set print.printed to false after printing newline.
9042
4250754e
JM		 90432015-12-02 Jason Merrill <jason@redhat.com>
9044
f479b43d
JM		 9045 * c-common.c (fold_for_warn): New.
9046 (warn_logical_operator, warn_tautological_cmp)
9047 (check_function_arguments_recurse, maybe_warn_bool_compare): Use it.
9048
4250754e
JM		 9049 * c-common.c (c_disable_warnings, c_enable_warnings, c_fully_fold)
9050 (c_fully_fold_internal, decl_constant_value_for_optimization):
9051 Move to c/c-fold.c.
9052 * c-common.h: Don't declare decl_constant_value_for_optimization.
9053
e9e32ee6
JM		 90542015-12-02 Joseph Myers <joseph@codesourcery.com>
9055
9056 PR c/68162
9057 * c-common.h (c_build_qualified_type): Add extra default
9058 arguments.
9059
37d5ad46
JB		 90602015-12-01 Julian Brown <julian@codesourcery.com>
9061 Cesar Philippidis <cesar@codesourcery.com>
9062 James Norris <James_Norris@mentor.com>
9063
9064 * c-pragma.c (oacc_pragmas): Add PRAGMA_OACC_HOST_DATA.
9065 * c-pragma.h (pragma_kind): Add PRAGMA_OACC_HOST_DATA.
9066 (pragma_omp_clause): Add PRAGMA_OACC_CLAUSE_USE_DEVICE.
9067
f07862c7
EB		 90682015-11-30 Eric Botcazou <ebotcazou@adacore.com>
9069
9070 * c-ada-spec.c (print_ada_macros): Remove redundant blank line.
9071 (decl_sloc_common): Delete and move bulk of processing to...
9072 (decl_sloc): ...here.
9073 (pp_ada_tree_identifier): Remove reference to QUAL_UNION_TYPE.
9074 (dump_ada_double_name): Remove S parameter and compute the suffix.
9075 (dump_ada_array_type): Add PARENT parameter. Simplify computation of
9076 element type and deal with an anonymous one.
9077 (dump_ada_template): Use RECORD_OR_UNION_TYPE_P macro.
9078 (dump_generic_ada_node): Tweak. Adjust call to dump_ada_array_type
9079 and remove reference to QUAL_UNION_TYPE.
9080 (dump_nested_types): Make 2 passes on the fields and move bulk to...
9081 (dump_nested_type): ...here. New function extracted from above.
9082 Generate a full declaration for anonymous element type of arrays.
9083 (print_ada_declaration): Really skip anonymous declarations. Remove
9084 references to QUAL_UNION_TYPE. Adjust call to dump_ada_array_type.
9085 Clean up processing of declarations of array types and objects.
9086 (print_ada_struct_decl): Remove reference to QUAL_UNION_TYPE.
9087 Remove obsolete code and tidy up.
9088
75c8aac3
JH		 90892015-11-29 Jan Hubicka <hubicka@ucw.cz>
9090
9091 PR c/67581
9092 * c-common.c (handle_transparent_union_attribute): Update
9093 also type variants.
9094
b58d3df2
ML		 90952015-11-27 Martin Liska <mliska@suse.cz>
9096
9097 PR c++/68312
9098 * array-notation-common.c (cilkplus_extract_an_triplets):
9099 Release vector of vectors.
9100 * cilk.c (gimplify_cilk_spawn): Free allocated memory.
9101
89a01fcf
EB		 91022015-11-26 Eric Botcazou <ebotcazou@adacore.com>
9103
9104 PR c++/68527
9105 * c-ada-spec.c (dump_nested_types): Add guard for error_mark_node.
9106 (print_ada_struct_decl): Likewise.
9107
cc5c5226
IZ		 91082015-11-23 Igor Zamyatin <igor.zamyatin@intel.com>
9109
9110 PR c++/68001
9111 * c-gimplify.c (c_gimplify_expr): Stop the process if see an error.
9112 * cilk.c (recognize_spawn): Determine location in a more precise
9113 way.
9114
269adb9d
JM		 91152015-11-19 Jason Merrill <jason@redhat.com>
9116
9117 * c-common.c (shorten_compare): But look through macros from
9118 system headers.
9119
d0eccfcd
JM		 91202015-11-18 Jason Merrill <jason@redhat.com>
9121
9122 * c-common.c (shorten_compare): Don't -Wtype-limits if the
9123 non-constant operand comes from a macro.
9124
3e44547c
JM		 91252015-11-17 Jason Merrill <jason@redhat.com>
9126
9127 PR bootstrap/68346
9128 * c-common.c (warn_tautological_cmp): Fold before checking for
9129 constants.
9130
0f62c7a0
MP		 91312015-11-16 Marek Polacek <polacek@redhat.com>
9132
9133 PR c++/68362
9134 * c-common.c (check_case_bounds): Fold low and high cases.
9135
a868811e
MP		 91362015-11-16 Marek Polacek <polacek@redhat.com>
9137
9138 * c-ada-spec.c (dump_ada_template): Use RECORD_OR_UNION_TYPE_P.
9139 * c-common.c (c_common_get_alias_set): Likewise.
9140 (handle_visibility_attribute): Likewise.
9141
fff77217
KY		 91422015-11-16 Kirill Yukhin <kirill.yukhin@intel.com>
9143
9144 * c-common.c (handle_simd_attribute): New.
9145 (struct attribute_spec): Add entry for "simd".
9146 (handle_simd_attribute): New.
9147
269e63b7
KT		 91482015-11-13 Kai Tietz <ktietz70@googlemail.com>
9149
9150 * c-lex.c (interpret_float): Use fold_convert.
9151
ebedc9a3
DM		 91522015-11-13 David Malcolm <dmalcolm@redhat.com>
9153
9154 * c-common.c (c_fully_fold_internal): Capture existing souce_range,
9155 and store it on the result.
9156 * c-opts.c (c_common_init_options): Set
9157 global_dc->colorize_source_p.
9158
6e232ba4
JN		 91592015-11-12 James Norris <jnorris@codesourcery.com>
9160 Joseph Myers <joseph@codesourcery.com>
9161
7365279f 9162 * c-pragma.c (oacc_pragmas): Add entry for declare directive.
6e232ba4
JN		 9163 * c-pragma.h (enum pragma_kind): Add PRAGMA_OACC_DECLARE.
9164 (enum pragma_omp_clause): Add PRAGMA_OACC_CLAUSE_DEVICE_RESIDENT and
9165 PRAGMA_OACC_CLAUSE_LINK.
9166
e78bede6
MP		 91672015-11-11 Marek Polacek <polacek@redhat.com>
9168
9169 PR c/68107
9170 PR c++/68266
9171 * c-common.c (valid_array_size_p): New function.
9172 * c-common.h (valid_array_size_p): Declare.
9173
3f8257db 91742015-11-11 Dominique d'Humieres <dominiq@lps.ens.fr>
4ac93c7c
DH		 9175
9176 PR bootstrap/68271
9177 * c-pragma.c (c_register_pragma_1): Update the gcc_assert to 256.
9178
69f293c9
AM		 91792015-11-11 Andrew MacLeod <amacleod@redhat.com>
9180
9181 * array-notation-common.c: Remove unused header files.
9182 * c-ada-spec.c: Likewise.
9183 * c-cilkplus.c: Likewise.
9184 * c-common.c: Likewise.
9185 * c-cppbuiltin.c: Likewise.
9186 * c-dump.c: Likewise.
9187 * c-format.c: Likewise.
9188 * c-gimplify.c: Likewise.
9189 * c-indentation.c: Likewise.
9190 * c-lex.c: Likewise.
9191 * c-omp.c: Likewise.
9192 * c-opts.c: Likewise.
9193 * c-pch.c: Likewise.
9194 * c-ppoutput.c: Likewise.
9195 * c-pragma.c: Likewise.
9196 * c-pretty-print.c: Likewise.
9197 * c-semantics.c: Likewise.
9198 * c-ubsan.c: Likewise.
9199 * cilk.c: Likewise.
9200 * stub-objc.c: Likewise.
9201
3a40d81d
NS		 92022015-11-09 Thomas Schwinge <thomas@codesourcery.com>
9203 Cesar Philippidis <cesar@codesourcery.com>
9204 James Norris <jnorris@codesourcery.com>
9205 Julian Brown <julian@codesourcery.com>
9206 Nathan Sidwell <nathan@codesourcery.com>
9207
9208 * c-pragma.c (oacc_pragmas): Add "routine".
9209 * c-pragma.h (pragma_kind): Add PRAGMA_OACC_ROUTINE.
9210
ee45a32d
EB		 92112015-11-08 Eric Botcazou <ebotcazou@adacore.com>
9212
9213 * c-common.c (c_common_attributes): Add scalar_storage_order.
9214 (handle_scalar_storage_order_attribute): New function.
9215 * c-pragma.c (global_sso): New variable.
9216 (maybe_apply_pragma_scalar_storage_order): New function.
9217 (handle_pragma_scalar_storage_order): Likewise.
9218 (init_pragma): Register scalar_storage_order.
9219 * c-pragma.h (maybe_apply_pragma_scalar_storage_order): Declare.
9220 * c.opt (Wscalar-storage-order): New warning.
9221 (fsso-struct=): New option.
9222
eb11eb15
MS		 92232015-11-08 Martin Sebor <msebor@redhat.com>
9224
9225 * c.opt (Wplacement-new): Add a period to the end of a sentence.
9226
0aad0198
RS		 92272015-11-07 Richard Sandiford <richard.sandiford@arm.com>
9228
9229 * c-common.c: Don't undef DEF_BUILTIN.
9230
8a645150
DM		 92312015-11-06 David Malcolm <dmalcolm@redhat.com>
9232
9233 * c-common.c (c_cpp_error): Convert parameter from location_t to
9234 rich_location *. Eliminate the "column_override" parameter and
9235 the call to diagnostic_override_column.
9236 Update the "done_lexing" clause to set range 0
9237 on the rich_location, rather than overwriting a location_t.
9238 * c-common.h (c_cpp_error): Convert parameter from location_t to
9239 rich_location *. Eliminate the "column_override" parameter.
9240
7a5e4956
CP		 92412015-11-05 Cesar Philippidis <cesar@codesourcery.com>
9242 Thomas Schwinge <thomas@codesourcery.com>
9243 James Norris <jnorris@codesourcery.com>
9244
9245 * c-omp.c (c_oacc_split_loop_clauses): Make TILE, GANG, WORKER, VECTOR,
9246 AUTO, SEQ, INDEPENDENT and PRIVATE loop clauses. Associate REDUCTION
9247 clauses with parallel and kernels and loops.
9248 * c-pragma.h (enum pragma_omp_clause): Add entries for
9249 PRAGMA_OACC_CLAUSE_{INDEPENDENT,TILE,DEFAULT}.
9250 * pt.c (tsubst_omp_clauses): Add support for OMP_CLAUSE_{NUM_GANGS,
9251 NUM_WORKERS,VECTOR_LENGTH,GANG,WORKER,VECTOR,ASYNC,WAIT,TILE,AUTO,
9252 INDEPENDENT,SEQ}.
9253 (tsubst_expr): Add support for OMP_CLAUSE_{KERNELS,PARALLEL,LOOP}.
9254
e2f5cc96
MS		 92552015-11-05 Martin Sebor <msebor@redhat.com>
9256
9257 PR c++/67942
9258 * c.opt (-Wplacement-new): New option.
9259
e01d41e5
JJ		 92602015-11-05 Jakub Jelinek <jakub@redhat.com>
9261
9262 * c-common.h (c_finish_omp_atomic): Add TEST argument.
9263 (c_omp_check_loop_iv, c_omp_check_loop_iv_exprs): New prototypes.
9264 * c-omp.c (c_finish_omp_atomic): Add TEST argument. Don't call
9265 save_expr or create_tmp_var* if TEST is true.
9266 (c_finish_omp_for): Store OMP_FOR_ORIG_DECLS always.
9267 Don't call add_stmt here.
9268 (struct c_omp_check_loop_iv_data): New type.
9269 (c_omp_check_loop_iv_r, c_omp_check_loop_iv,
9270 c_omp_check_loop_iv_exprs): New functions.
9271 (c_omp_split_clauses): Adjust for lastprivate being allowed on
9272 distribute.
9273 (c_omp_declare_simd_clauses_to_numbers): Change
9274 OMP_CLAUSE_LINEAR_VARIABLE_STRIDE OMP_CLAUSE_LINEAR_STEP into numbers.
9275 (c_omp_declare_simd_clauses_to_decls): Similarly change those
9276 from numbers to PARM_DECLs.
9277
595278be
MM		 92782015-11-04 Mikhail Maltsev <maltsevm@gmail.com>
9279
9280 * c-omp.c (c_omp_split_clauses): Remove conditional compilation. Use
9281 flag_checking.
9282
3f8257db 92832015-11-03 Bernd Schmidt <bschmidt@redhat.com>
c85158de
MS		 9284
9285 PR c++-common/67882
b3d5bc62
JJ		 9286 * c-common.h (fold_offsetof_1): Add argument.
9287 * c-common.c (fold_offsetof_1): Diagnose more invalid
c85158de
MS		 9288 offsetof expressions that reference elements past the end of
9289 an array.
9290
4bf9e5a8
TS		 92912015-11-03 Thomas Schwinge <thomas@codesourcery.com>
9292 Chung-Lin Tang <cltang@codesourcery.com>
9293
9294 * c-pragma.c (oacc_pragmas): Add "atomic".
9295 * c-pragma.h (pragma_kind): Add PRAGMA_OACC_ATOMIC.
9296
3b1661a9
ES		 92972015-10-30 Evgeny Stupachenko <evstupac@gmail.com>
9298
9299 * c-common.c (handle_target_clones_attribute): New.
9300 (c_common_attribute_table): Add handle_target_clones_attribute.
9301 (handle_always_inline_attribute): Add check on target_clones attribute.
9302 (handle_target_attribute): Ditto.
9303
2adfab87
AM		 93042015-10-29 Andrew MacLeod <amacleod@redhat.com>
9305
9306 * array-notation-common.c: Reorder #include's and remove duplicates.
9307 * c-ada-spec.c: Likewise.
9308 * c-cilkplus.c: Likewise.
9309 * c-common.c: Likewise.
9310 * c-cppbuiltin.c: Likewise.
9311 * c-dump.c: Likewise.
9312 * c-format.c: Likewise.
9313 * c-gimplify.c: Likewise.
9314 * c-indentation.c: Likewise.
9315 * c-lex.c: Likewise.
9316 * c-omp.c: Likewise.
9317 * c-opts.c: Likewise.
9318 * c-pch.c: Likewise.
9319 * c-ppoutput.c: Likewise.
9320 * c-pragma.c: Likewise.
9321 * c-pretty-print.c: Likewise.
9322 * c-semantics.c: Likewise.
9323 * c-ubsan.c: Likewise.
9324 * cilk.c: Likewise.
9325 * stub-objc.c: Likewise.
9326
d90ec4f2
JM		 93272015-10-28 Jason Merrill <jason@redhat.com>
9328
9329 * c-common.c (pointer_int_sum): Fold the MULT_EXPR.
9330
88bae6f4
TS		 93312015-10-27 Thomas Schwinge <thomas@codesourcery.com>
9332 James Norris <jnorris@codesourcery.com>
9333 Cesar Philippidis <cesar@codesourcery.com>
9334
9335 PR c/64765
9336 PR c/64880
9337 * c-common.h (c_oacc_split_loop_clauses): Declare function.
9338 * c-omp.c (c_oacc_split_loop_clauses): New function.
9339
b1726d6c
MS		 93402015-10-21 Martin Sebor <msebor@redhat.com>
9341
9342 PR driver/68043
9343 * c.opt: End each sentence that describes an option with a period.
9344
fa60eeb9
MP		 93452015-10-20 Marek Polacek <polacek@redhat.com>
9346
9347 * array-notation-common.c (is_cilkplus_vector_p): Define.
9348 * c-common.h (is_cilkplus_vector_p): Declare.
9349
95979049
MP		 93502015-10-20 Marek Polacek <polacek@redhat.com>
9351
9352 * c.opt (std=gnu++11): Do not describe as experimental.
9353 (std=gnu++14): Likewise.
9354
2a9fb712
JM		 93552015-10-19 Jason Merrill <jason@redhat.com>
9356
9357 * c-cppbuiltin.c (c_cpp_builtins): Define
9358 __cpp_nontype_template_args.
9359
13b380a3
JM		 93602015-10-19 Jason Merrill <jason@redhat.com>
9361
9362 * c-cppbuiltin.c (c_cpp_builtins): Define
9363 __cpp_enumerator_attributes, __cpp_fold_expressions,
9364 __cpp_unicode_characters.
9365
d9a6bd32
JJ		 93662015-10-13 Jakub Jelinek <jakub@redhat.com>
9367 Aldy Hernandez <aldyh@redhat.com>
9368
9369 * c-common.c (enum c_builtin_type): Define DEF_FUNCTION_TYPE_9,
9370 DEF_FUNCTION_TYPE_10 and DEF_FUNCTION_TYPE_11.
9371 (c_define_builtins): Likewise.
9372 * c-common.h (enum c_omp_clause_split): Add
9373 C_OMP_CLAUSE_SPLIT_TASKLOOP.
9374 (c_finish_omp_critical, c_finish_omp_ordered): Add CLAUSES argument.
9375 (c_finish_omp_for): Add ORIG_DECLV argument.
9376 * c-cppbuiltin.c (c_cpp_builtins): Predefine _OPENMP as
9377 201511 instead of 201307.
9378 * c-omp.c (c_finish_omp_critical): Add CLAUSES argument, set
9379 OMP_CRITICAL_CLAUSES to it.
9380 (c_finish_omp_ordered): Add CLAUSES argument, set
9381 OMP_ORDERED_CLAUSES to it.
9382 (c_finish_omp_for): Add ORIG_DECLV argument, set OMP_FOR_ORIG_DECLS
9383 to it if OMP_FOR. Clear DECL_INITIAL on the IVs.
9384 (c_omp_split_clauses): Handle OpenMP 4.5 combined/composite
9385 constructs and new OpenMP 4.5 clauses. Clear
9386 OMP_CLAUSE_SCHEDULE_SIMD if not combined with OMP_SIMD. Add
9387 verification code.
9388 * c-pragma.c (omp_pragmas_simd): Add taskloop.
9389 * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_TASKLOOP.
9390 (enum pragma_omp_clause): Add
9391 PRAGMA_OMP_CLAUSE_{DEFAULTMAP,GRAINSIZE,HINT,{IS,USE}_DEVICE_PTR}
9392 and PRAGMA_OMP_CLAUSE_{LINK,NOGROUP,NUM_TASKS,PRIORITY,SIMD,THREADS}.
9393
624d31fe
RS		 93942015-10-05 Richard Sandiford <richard.sandiford@arm.com>
9395
9396 * c-lex.c (interpret_float): Use real_equal instead of
9397 REAL_VALUES_EQUAL.
9398
b8fd7909
JM		 93992015-10-04 Jason Merrill <jason@redhat.com>
9400
9401 Implement N4514, C++ Extensions for Transactional Memory.
9402 * c-common.c (c_common_reswords): Add C++ TM TS keywords.
9403 (c_common_attribute_table): Add transaction_safe_dynamic.
9404 transaction_safe now affects type identity.
9405 (handle_tm_attribute): Handle transaction_safe_dynamic.
9406 * c-common.h (enum rid): Add RID_ATOMIC_NOEXCEPT,
9407 RID_ATOMIC_CANCEL, RID_SYNCHRONIZED.
9408 (OBJC_IS_CXX_KEYWORD): Add RID_SYNCHRONIZED.
9409 (D_TRANSMEM): New.
9410 * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_transactional_memory.
9411 * c-pretty-print.c (pp_c_attributes_display): Don't print
9412 transaction_safe in C++.
9413
12651878
MP		 94142015-10-02 Marek Polacek <polacek@redhat.com>
9415
9416 * c.opt (Wduplicated-cond): Don't enable by -Wall anymore.
9417
3e3b8d63
MP		 94182015-10-02 Marek Polacek <polacek@redhat.com>
9419
9420 PR c/64249
9421 * c-common.c (warn_duplicated_cond_add_or_warn): New function.
9422 * c-common.h (warn_duplicated_cond_add_or_warn): Declare.
9423 * c.opt (Wduplicated-cond): New option.
9424
0d1a8f75
JM		 94252015-10-01 Joseph Myers <joseph@codesourcery.com>
9426
9427 * c.opt (std=c11): Do not describe as experimental.
9428 (std=gnu11): Likewise.
9429 (std=iso9899:2011): Likewise.
9430
3e32ee19
NS		 94312015-09-28 Nathan Sidwell <nathan@codesourcery.com>
9432
9433 * c-common.c (DEF_FUNCTION_TYPE_VAR_6): New.
9434 (DEF_FUNCTION_TYPE_VAR_11): Delete.
9435
974348ee
MP		 94362015-09-25 Marek Polacek <polacek@redhat.com>
9437
9438 * c-ubsan.c (ubsan_instrument_division): Remove unnecessary code.
9439 (ubsan_instrument_shift): Likewise.
9440
15dbc1a6
MP		 94412015-09-25 Marek Polacek <polacek@redhat.com>
9442
9443 PR sanitizer/64906
9444 * c-ubsan.c (ubsan_instrument_division): Also pre-evaluate OP1.
9445
6b95d7cc
PP		 94462015-09-24 Patrick Palka <ppalka@gcc.gnu.org>
9447
9448 * c-indentation.c (should_warn_for_misleading_indentation):
9449 Compare next_stmt_vis_column with guard_line_first_nws instead
9450 of with guard_line_vis_column.
9451
c1822f9c
MLI		 94522015-09-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
9453
9454 PR c/49654
9455 PR c/49655
9456 * c-pragma.c (handle_pragma_diagnostic): Detect non-warning
9457 options and options not valid for the current language.
9458
d5398058
PP		 94592015-09-22 Patrick Palka <ppalka@gcc.gnu.org>
9460
9461 * c-indentation.c (should_warn_for_misleading_indentation):
9462 Float out and consolidate the calls to get_visual_column that
9463 are passed guard_exploc as an argument. Compare
9464 next_stmt_vis_column with guard_line_first_nws instead of with
9465 body_line_first_nws.
9466
6b333269
NS		 94672015-09-22 Nathan Sidwell <nathan@codesourcery.com>
9468
9469 * c.opt (Wmultiple-inheritance, Wvirtual-inheritance, Wtemplates,
9470 Wnamespaces): New C++ warnings.
9471
a75f1574
JM		 94722015-09-22 Jason Merrill <jason@redhat.com>
9473
9474 * c-common.h (abi_compat_version_crosses): New.
9475 (warn_abi_version): Declare.
9476 * c-common.c: Define it.
9477 * c-opts.c (c_common_post_options): Handle it.
9478 flag_abi_compat_version defaults to 8.
9479
bdaaa8b7
VV		 94802015-09-21 Ville Voutilainen <ville.voutilainen@gmail.com>
9481
9482 Complete the implementation of N4230, Nested namespace definition.
9483 * c-cppbuiltin.c: Add __cpp_namespace_attributes and
9484 __cpp_nested_namespace_definitions.
9485
eaa797e8
MLI		 94862015-09-18 Manuel López-Ibáñez <manu@gcc.gnu.org>
9487
9488 * c-pragma.c (handle_pragma_diagnostic): Fix wrong return.
9489
c4914de6
MLI		 94902015-09-18 Manuel López-Ibáñez <manu@gcc.gnu.org>
9491
9492 * c-pragma.c (handle_pragma_diagnostic): Use explicit location
9493 when warning.
9494 * c-pragma.h (pragma_lex): Add optional loc argument.
9495
fcb87c50
MM		 94962015-09-16 Mikhail Maltsev <maltsevm@gmail.com>
9497
9498 * c-format.c (check_format_arg): Adjust to use common block size in all
9499 object pools.
9500
31bdd08a
DM		 95012015-09-15 David Malcolm <dmalcolm@redhat.com>
9502
9503 * c-format.c (location_from_offset): Update for change in
9504 signature of location_get_source_line.
9505 * c-indentation.c (get_visual_column): Likewise.
9506 (line_contains_hash_if): Likewise.
9507
aa9f4b4c
MP		 95082015-09-14 Marek Polacek <polacek@redhat.com>
9509
9510 * c-opts.c (c_common_post_options): Set C++ standard earlier, before
9511 setting various warnings.
9512
aa256c4a
MP		 95132015-09-14 Marek Polacek <polacek@redhat.com>
9514
9515 * c-common.c (warn_for_sign_compare): Cast to unsigned when shifting
9516 a negative value.
9517
0f876f22
MW		 95182015-09-11 Mark Wielaard <mjw@redhat.com>
9519
9520 PR c/28901
9521 * c.opt (Wunused-variable): Option from common.opt.
9522 (Wunused-const-variable): New option.
9523
273aa49e
PC		 95242015-09-09 Paolo Carlini <paolo.carlini@oracle.com>
9525
9526 PR c++/53184
9527 * c.opt ([Wsubobject-linkage]): Add.
9528
1807ffc1
MS		 95292015-09-03 Martin Sebor <msebor@redhat.com>
9530
9531 PR c/66516
9532 * c-common.h (c_decl_implicit, reject_gcc_builtin): Declare new
9533 functions.
9534 * c-common.c (reject_gcc_builtin): Define.
9535
38942840
BI		 95362015-09-02 Balaji V. Iyer <balaji.v.iyer@intel.com>
9537
9538 PR middle-end/60586
9539 * c-common.h (cilk_gimplify_call_params_in_spawned_fn): New
9540 prototype.
9541 * c-gimplify.c (c_gimplify_expr): Added a call to the function
9542 cilk_gimplify_call_params_in_spawned_fn.
9543 * cilk.c (cilk_gimplify_call_params_in_spawned_fn): New function.
9544 (gimplify_cilk_spawn): Removed EXPR_STMT and CLEANUP_POINT_EXPR
9545 unwrapping.
9546
c316b5e4
MP		 95472015-08-25 Marek Polacek <polacek@redhat.com>
9548
9549 PR middle-end/67330
9550 * c-common.c (handle_weak_attribute): Don't check whether the
9551 visibility can be changed here.
9552
584a7c46
MLI		 95532015-08-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
9554
9555 * c-lex.c (c_lex_with_flags): Use explicit locations.
9556
a79683d5
TS		 95572015-08-18 Trevor Saunders <tbsaunde@tbsaunde.org>
9558
9559 * c-ada-spec.h, c-common.c, c-common.h, c-format.c, c-format.h,
9560 c-objc.h, c-ppoutput.c, c-pragma.c, c-pragma.h: Remove useless
9561
61717a45
FXC		 95622015-08-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
9563
9564 PR middle-end/36757
9565 * c-common.c (check_builtin_function_arguments): Add check
9566 for BUILT_IN_SIGNBIT argument.
9567
329524f5
PC		 95682015-08-18 Paolo Carlini <paolo.carlini@oracle.com>
9569
9570 PR c++/67160
9571 * c-cppbuiltin.c (c_cpp_builtins): Fix __cpp_static_assert value
9572 in c++1z mode.
9573
4ee55665
MP		 95742015-08-17 Marek Polacek <polacek@redhat.com>
9575
9576 * c-pretty-print.c (pp_c_cv_qualifiers): Remove code dealing
9577 with whitespaces before qualifier names.
9578
b893e375
MP		 95792015-08-12 Marek Polacek <polacek@redhat.com>
9580
9581 PR c++/55095
9582 * c-common.c (maybe_warn_shift_overflow): Properly handle
9583 left-shifting 1 into the sign bit.
9584
c2d89095
MLI		 95852015-08-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
9586
9587 * c.opt (Wchkp): Use LangEnabledBy instead of EnabledBy.
9588
971e17ff
AS		 95892015-08-06 Andrew Sutton <andrew.n.sutton@gmail.com>
9590 Braden Obrzut <admin@maniacsvault.net>
9591 Jason Merrill <jason@redhat.com>
9592
9593 Add C++ Concepts TS support.
9594 * c-common.c (c_common_reswords): Add __is_same_as, concept, requires.
9595 * c-common.h (enum rid): Add RID_IS_SAME_AS, RID_CONCEPT, RID_REQUIRES.
9596 (D_CXX_CONCEPTS, D_CXX_CONCEPTS_FLAGS): New.
9597 * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_concepts.
9598 * c-opts.c (set_std_cxx1z): Set flag_concepts.
9599 * c.opt (fconcepts): New.
9600
b3d5bc62
JJ		 96012015-08-02 Martin Sebor <msebor@redhat.com>
9602
9603 * c.opt (-Wframe-address): New warning option.
9604
8ebca419
PP		 96052015-08-02 Patrick Palka <ppalka@gcc.gnu.org>
9606
9607 * c-indentation.c (should_warn_for_misleading_indentation):
9608 Improve heuristics.
9609
1a1e101f
PP		 96102015-08-02 Patrick Palka <ppalka@gcc.gnu.org>
9611
9612 * c-indentation.c (get_visual_column): Add parameter first_nws,
9613 use it. Update comment documenting the function.
9614 (is_first_nonwhitespace_on_line): Remove.
9615 (should_warn_for_misleading_indentation): Replace usage of
9616 of is_first_nonwhitespace_on_line with get_visual_column.
9617
992118a1
PP		 96182015-08-02 Patrick Palka <ppalka@gcc.gnu.org>
9619
9620 * c-indentation.h (struct token_indent_info): Define.
9621 (get_token_indent_info): Define.
9622 (warn_for_misleading_information): Declare.
9623 * c-common.h (warn_for_misleading_information): Remove.
9624 * c-identation.c (warn_for_misleading_indentation):
9625 Change declaration to take three token_indent_infos. Adjust
9626 accordingly.
9627 * c-identation.c (should_warn_for_misleading_indentation):
9628 Likewise. Bail out early if the body is a compound statement.
9629 (guard_tinfo_to_string): Define.
9630
e8fa3817
JM		 96312015-07-30 Jason Merrill <jason@redhat.com>
9632
9633 * c-pretty-print.c (unary_expression) [INDIRECT_REF]: Don't print
9634 '*' for reference decay.
9635
173864e8
MP		 96362015-07-30 Marek Polacek <polacek@redhat.com>
9637
9638 * c-common.c (warn_tautological_cmp): Bail for float types.
9639
f2afe6dd
MP		 96402015-07-27 Marek Polacek <polacek@redhat.com>
9641
9642 PR bootstrap/67030
9643 * c-common.c (warn_tautological_cmp): Don't warn for macro expansion.
9644
05b28fd6
MP		 96452015-07-27 Marek Polacek <polacek@redhat.com>
9646
9647 PR c++/66555
9648 PR c/54979
9649 * c-common.c (find_array_ref_with_const_idx_r): New function.
9650 (warn_tautological_cmp): New function.
9651 * c-common.h (warn_tautological_cmp): Declare.
9652 * c.opt (Wtautological-compare): New option.
9653
5a5062b8
MP		 96542015-07-23 Marek Polacek <polacek@redhat.com>
9655
9656 * c-ubsan.c (ubsan_instrument_division): Use unshare_expr throughout.
9657 (ubsan_instrument_shift): Likewise.
9658
dc891fe7
MP		 96592015-07-23 Marek Polacek <polacek@redhat.com>
9660
9661 PR sanitizer/66908
9662 * c-ubsan.c: Include gimplify.h.
9663 (ubsan_instrument_division): Unshare OP0 and OP1.
9664 (ubsan_instrument_shift): Likewise.
9665
451b5e48
MP		 96662015-07-20 Marek Polacek <polacek@redhat.com>
9667 Richard Sandiford <richard.sandiford@arm.com>
9668
9669 PR c++/55095
9670 * c-common.c (c_fully_fold_internal): Warn about left shift overflows.
9671 Use EXPR_LOC_OR_LOC.
9672 (maybe_warn_shift_overflow): New function.
9673 * c-common.h (maybe_warn_shift_overflow): Declare.
9674 * c-opts.c (c_common_post_options): Set warn_shift_overflow.
9675 * c.opt (Wshift-overflow): New option.
9676
fb0b2914
ML		 96772015-07-16 Martin Liska <mliska@suse.cz>
9678
9679 * c-format.c (static void check_format_info_main): Use
9680 object_allocator instead of pool_allocator.
9681 (check_format_arg): Likewise.
9682 (check_format_info_main): Likewise.
9683
903f5c23
AM		 96842015-07-15 Andrew MacLeod <amacleod@redhat.com>
9685
9686 * c-opts.c: Remove multiline #include comment.
9687
026c3cfd
AH		 96882015-07-12 Aldy Hernandez <aldyh@redhat.com>
9689
9690 * c-common.c: Fix double word typos.
9691
bb49ee66
EB		 96922015-07-10 Eric Botcazou <ebotcazou@adacore.com>
9693
9694 * c-ada-spec.h (cpp_operation): Revert latest change.
9695 * c-ada-spec.c (print_ada_declaration): Likewise. Skip implicit
9696 constructors and destructors.
9697
1916bcb5
AM		 96982015-07-09 Andrew MacLeod <amacleod@redhat.com>
9699
9700 * c-common.h: Adjust includes for flags.h changes.
9701 * stub-objc.c: Likewise.
026c3cfd 9702
a9dcd529
EB		 97032015-07-08 Eric Botcazou <ebotcazou@adacore.com>
9704
9705 * c-ada-spec.h (cpp_operation): Add IS_CONSTEXPR.
9706 * c-ada-spec.c (print_ada_declaration): Skip constexpr constructors.
9707
b03b462f
JJ		 97082015-07-08 Jakub Jelinek <jakub@redhat.com>
9709
9710 * c-omp.c (c_omp_declare_simd_clauses_to_numbers): If all clauses
9711 are to be removed, return NULL rather than original clauses list.
9712
c7131fb2
AM		 97132015-07-07 Andrew MacLeod <amacleod@redhat.com>
9714
9715 * array-notation-common.c: Adjust includes.
9716 * c-ada-spec.c: Likewise.
9717 * c-cilkplus.c: Likewise.
9718 * c-common.h: Likewise.
9719 * c-cppbuiltin.c: Likewise.
9720 * c-dump.c: Likewise.
9721 * c-format.c: Likewise.
9722 * c-gimplify.c: Likewise.
9723 * c-indentation.c: Likewise.
9724 * c-lex.c: Likewise.
9725 * c-omp.c: Likewise.
9726 * c-opts.c: Likewise.
9727 * c-pch.c: Likewise.
9728 * c-ppoutput.c: Likewise.
9729 * c-pragma.c: Likewise.
9730 * c-pretty-print.c: Likewise.
9731 * c-semantics.c: Likewise.
9732 * c-ubsan.c: Likewise.
9733 * cilk.c: Likewise.
9734 * stub-objc.c: Likewise.
9735
2a7fb83f
EB		 97362015-07-07 Eric Botcazou <ebotcazou@adacore.com>
9737
9738 * c-ada-spec.h (cpp_operation): Add IS_MOVE_CONSTRUCTOR.
9739 * c-ada-spec.c (print_ada_declaration): Skip move constructors.
9740
a03c9bf1
JM		 97412015-07-01 Jason Merrill <jason@redhat.com>
9742
36a85135
JM		 9743 * c-common.h (D_CXX11): Rename from D_CXX0X.
9744 (RID_FIRST_CXX11, RID_LAST_CXX11): Rename from *_CXX0X.
9745 * c-common.c: Adjust.
9746
e7fa68d5
JM		 9747 * c-opts.c (c_common_post_options): Default to C++14.
9748
a03c9bf1
JM		 9749 * c-opts.c (c_common_post_options): Highest ABI level is now 10.
9750
fe95b036
ESR		 97512015-06-30 Edward Smith-Rowland <3dw4rd@verizon.net>
9752
9753 Implement N4197 - Adding u8 character literals
b3d5bc62 9754 * c-ada-spec.c (print_ada_macros): Treat CPP_UTF8CHAR like
a64be36b 9755 CPP_CHAR.
b3d5bc62 9756 * c-common.c (c_parse_error): Print CPP_UTF8CHAR and
a64be36b 9757 CPP_UTF8CHAR_USERDEF tokens.
b3d5bc62 9758 * c-lex.c (c_lex_with_flags): Treat CPP_UTF8CHAR_USERDEF
a64be36b
EB		 9759 and CPP_UTF8CHAR tokens.
9760 (lex_charconst): Treat CPP_UTF8CHAR token.
fe95b036 9761
da2e71c9
MLI		 97622015-06-29 Manuel López-Ibáñez <manu@gcc.gnu.org>
9763
9764 PR fortran/66605
9765 * c-common.c (do_warn_unused_parameter): Move here.
9766 * c-common.h (do_warn_unused_parameter): Declare.
9767
b155cfd9
MP		 97682015-06-29 Marek Polacek <polacek@redhat.com>
9769
9770 PR c/66322
9771 * c-common.c (check_case_bounds): Add bool * parameter. Set
9772 OUTSIDE_RANGE_P.
9773 (c_add_case_label): Add bool * parameter. Pass it down to
9774 check_case_bounds.
9775 (c_do_switch_warnings): Add bool parameters. Implement -Wswitch-bool
9776 warning here.
9777 * c-common.h (c_add_case_label, c_do_switch_warnings): Update
9778 declarations.
9779
31521951
MP		 97802015-06-27 Marek Polacek <polacek@redhat.com>
9781
9782 * c-common.c (check_main_parameter_types): Use VECTOR_TYPE_P
9783 or VECTOR_INTEGER_TYPE_P throughout.
9784 * c-gimplify.c: Likewise.
9785
22d03525
MP		 97862015-06-26 Marek Polacek <polacek@redhat.com>
9787
9788 * array-notation-common.c (find_rank): Use INDIRECT_REF_P.
9789 * c-common.c (c_fully_fold_internal): Likewise.
9790 (c_alignof_expr): Likewise.
9791 * c-pretty-print.c (c_pretty_printer::postfix_expression): Likewise.
9792 * c-ubsan.c (ubsan_instrument_bounds): Likewise.
b1726d6c 9793 * cilk.c (create_parm_list): Likewise.
22d03525 9794
af05e6e5
MP		 97952015-06-26 Marek Polacek <polacek@redhat.com>
9796
9797 * c-common.c (handle_unused_attribute): Use VAR_OR_FUNCTION_DECL_P.
9798
f0889939
AM		 97992015-06-25 Andrew MacLeod <amacleod@redhat.com>
9800
9801 * c-common.c: Remove ipa-ref.h and plugin-api.h from include list.
9802 * c-gimplify.c: Likewise.
9803 * c-pragma.c: Likewise.
9804 * c-ubsan.c: Likewise.
9805 * cilk.c: Likewise.
9806
ca752f39
RS		 98072015-06-25 Richard Sandiford <richard.sandiford@arm.com>
9808
9809 * c-common.c (c_type_hasher): Inherit from ggc_ptr_hash rather than
9810 ggc_hasher.
9811
16a16ec7
AM		 98122015-06-25 Andrew MacLeod <amacleod@redhat.com>
9813
9814 * cilk.c: Move calls.h after tm.h in the include chain.
9815
0ae9bd27
MP		 98162015-06-25 Marek Polacek <polacek@redhat.com>
9817
9818 * array-notation-common.c: Use VAR_P throughout.
9819 * c-ada-spec.c: Likewise.
9820 * c-common.c: Likewise.
9821 * c-format.c: Likewise.
9822 * c-gimplify.c: Likewise.
9823 * c-omp.c: Likewise.
9824 * c-pragma.c: Likewise.
9825 * c-pretty-print.c: Likewise.
9826 * cilk.c: Likewise.
9827
62f9079a
MP		 98282015-06-25 Marek Polacek <polacek@redhat.com>
9829
9830 * cilk.c (extract_free_variables): Use is_global_var.
9831
0fa16060
RS		 98322015-06-23 Richard Sandiford <richard.sandiford@arm.com>
9833
9834 * c-common.c: Don't include target-def.h.
9835
a68ae2e1
MP		 98362015-06-23 Marek Polacek <polacek@redhat.com>
9837
9838 * c-common.c (warn_logical_operator): Use tree_int_cst_equal
9839 when comparing INTEGER_CSTs.
9840
c6a2f2d9
PMR		 98412015-06-22 Pierre-Marie de Rodat <derodat@adacore.com>
9842
9843 * c-ada-spec.h (cpp_operation): Add HAS_DEPENDENT_TEMPLATE_ARGS.
9844 * c-ada-spec.c (collect_ada_nodes): Skip NAMESPACE_DECL
9845 (dump_ada_template): Skip partially specialized types.
9846
6b4db501
MM		 98472015-06-22 Mikhail Maltsev <maltsevm@gmail.com>
9848
9849 * c-common.c (scalar_to_vector): Use std::swap instead of manually
9850 swapping.
9851
abb226c9
AM		 98522015-06-17 Andrew MacLeod <amacleod@redhat.com>
9853
9854 * array-notation-common.c: Do not include input.h, line-map.h or is-a.h.
9855 * c-ada-spec.c: Likewise.
9856 * c-cilkplus.c: Likewise.
9857 * c-common.c: Likewise.
9858 * c-common.h: Likewise.
9859 * c-cppbuiltin.c: Likewise.
9860 * c-dump.c: Likewise.
9861 * c-format.c: Likewise.
9862 * c-gimplify.c: Likewise.
9863 * c-indentation.c: Likewise.
9864 * c-lex.c: Likewise.
9865 * c-omp.c: Likewise.
9866 * c-opts.c: Likewise.
9867 * c-pch.c: Likewise.
9868 * c-ppoutput.c: Likewise.
9869 * c-pragma.c: Likewise.
9870 * c-pretty-print.c: Likewise.
9871 * c-semantics.c: Likewise.
9872 * c-ubsan.c: Likewise.
9873 * cilk.c: Likewise.
9874 * stub-objc.c: Likewise.
9875
076fecad
PP		 98762015-06-13 Patrick Palka <ppalka@gcc.gnu.org>
9877
9878 PR c++/65168
9879 * c-common.c (c_common_truthvalue_conversion): Warn when
9880 converting an address of a reference to a truth value.
9881
13fdf2e2
AM		 98822015-06-08 Andrew MacLeod <amacleod@redhat.com>
9883
9884 * array-notation-common.c : Adjust include files.
9885 * c-ada-spec.c : Likewise.
9886 * c-cilkplus.c : Likewise.
9887 * c-common.c : Likewise.
9888 * c-common.h : Likewise.
9889 * c-cppbuiltin.c : Likewise.
9890 * c-dump.c : Likewise.
9891 * c-format.c : Likewise.
9892 * c-gimplify.c : Likewise.
9893 * c-indentation.c : Likewise.
9894 * c-lex.c : Likewise.
9895 * c-omp.c : Likewise.
9896 * c-opts.c : Likewise.
9897 * c-pch.c : Likewise.
9898 * c-ppoutput.c : Likewise.
9899 * c-pragma.c : Likewise.
9900 * c-pretty-print.c : Likewise.
9901 * c-semantics.c : Likewise.
9902 * c-ubsan.c : Likewise.
9903 * cilk.c : Likewise.
9904 * stub-objc.c : Likewise.
9905
a1661b90
MP		 99062015-06-08 Marek Polacek <polacek@redhat.com>
9907
9908 PR c/66415
9909 * c-format.c (location_from_offset): Return LOC if LINE is null.
9910
d7438551
AH		 99112015-06-05 Aldy Hernandez <aldyh@redhat.com>
9912
9913 * c-common.h (c_parse_final_cleanups): New prototype.
9914 * c-opts.c (c_common_parse_file): Call c_parse_final_cleanups.
9915
b3d5bc62
JJ		 99162015-06-04 Sriraman Tallam <tmsriram@google.com>
9917
9918 * c-common.c (noplt): New attribute.
9919 (handle_noplt_attribute): New handler.
9920
ecb9f223
AM		 99212015-06-04 Andrew MacLeod <amacleod@redhat.com>
9922
9923 * array-notation-common.c: Adjust includes for restructured coretypes.h.
9924 * c-ada-spec.c: Likewise.
9925 * c-cilkplus.c: Likewise.
9926 * c-common.c: Likewise.
9927 * c-common.h: Likewise.
9928 * c-cppbuiltin.c: Likewise.
9929 * c-dump.c: Likewise.
9930 * c-format.c: Likewise.
9931 * c-gimplify.c: Likewise.
9932 * c-indentation.c: Likewise.
9933 * c-lex.c: Likewise.
9934 * c-omp.c: Likewise.
9935 * c-opts.c: Likewise.
9936 * c-pch.c: Likewise.
9937 * c-ppoutput.c: Likewise.
9938 * c-pragma.c: Likewise.
9939 * c-pretty-print.c: Likewise.
9940 * c-semantics.c: Likewise.
9941 * c-ubsan.c: Likewise.
9942 * cilk.c: Likewise.
9943 * stub-objc.c: Likewise.
9944
6ac48155
DM		 99452015-06-02 David Malcolm <dmalcolm@redhat.com>
9946
9947 PR c/66220:
9948 * c-indentation.c (should_warn_for_misleading_indentation): Use
9949 expand_location rather than expand_location_to_spelling_point.
9950 Don't warn if the guarding statement is more indented than the
9951 next/body stmts.
9952
773ce42e
DM		 99532015-06-02 David Malcolm <dmalcolm@redhat.com>
9954
9955 * c-indentation.c (warn_for_misleading_indentation): Bail out
9956 immediately if -Wmisleading-indentation isn't enabled.
9957
4fef8379
ML		 99582015-06-01 Martin Liska <mliska@suse.cz>
9959
9960 * c-format.c (check_format_arg):Use new type-based pool allocator.
9961 (check_format_info_main) Likewise.
9962
1edfb384
EB		 99632015-05-31 Eric Botcazou <ebotcazou@adacore.com>
9964
9965 * c-ada-spec.c (is_tagged_type): Test for TYPE_METHODS on main variant.
9966 (has_nontrivial_methods): Likewise.
9967
9677ef52
MP		 99682015-05-25 Marek Polacek <polacek@redhat.com>
9969
9970 * c-ubsan.c (ubsan_instrument_shift): Use type0.
9971
fd5c817a
MP		 99722015-05-22 Marek Polacek <polacek@redhat.com>
9973
9974 PR c/47043
9975 * c-common.c (handle_deprecated_attribute): Allow CONST_DECL.
9976
a2f45fe6 99772015-05-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
581edfa3
TS		 9978
9979 * c-cppbuiltin.c (c_cpp_builtins): Use if instead of #if with
9980 STACK_GROWS_DOWNWARD.
9981
a2f45fe6 99822015-05-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
62f9f30b
TS		 9983
9984 * c-cppbuiltin.c (c_cpp_builtins): Check the value of
9985 STACK_GROWS_DOWNWARD rather than if it is defined.
9986
0fee2ac2 99872015-05-21 Manuel López-Ibáñez <manu@gcc.gnu.org>
b1726d6c 9988
0fee2ac2
MLI		 9989 PR c/52952
9990 * c-format.c (location_column_from_byte_offset): New.
9991 (location_from_offset): New.
9992 (struct format_wanted_type): Add offset_loc field.
9993 (check_format_info): Move handling of location for extra arguments
9994 closer to the point of warning.
9995 (check_format_info_main): Pass the result of location_from_offset
9996 to warning_at.
9997 (format_type_warning): Pass the result of location_from_offset
9998 to warning_at.
9999
cf4ef6f7
MP		 100002015-05-20 Marek Polacek <polacek@redhat.com>
10001
10002 * c-omp.c (check_omp_for_incr_expr): Use BINARY_CLASS_P.
10003
3a65ee74
MP		 100042015-05-20 Marek Polacek <polacek@redhat.com>
10005
10006 * c-ada-spec.c (dump_sloc): Use DECL_P.
10007
21b634ae
MP		 100082015-05-20 Marek Polacek <polacek@redhat.com>
10009
10010 * c-pragma.c: Use VAR_OR_FUNCTION_DECL_P throughout.
10011 * c-common.c: Likewise.
10012
0e50b624
DM		 100132015-05-19 David Malcolm <dmalcolm@redhat.com>
10014
10015 * c-common.h (fe_file_change): Strengthen param from
10016 const line_map * to const line_map_ordinary *.
10017 (pp_file_change): Likewise.
10018 * c-lex.c (fe_file_change): Likewise.
10019 (cb_define): Use linemap_check_ordinary when invoking
10020 SOURCE_LINE.
10021 (cb_undef): Likewise.
10022 * c-opts.c (c_finish_options): Use linemap_check_ordinary when
10023 invoking cb_file_change.
10024 (c_finish_options): Likewise.
10025 (push_command_line_include): Likewise.
10026 (cb_file_change): Strengthen param "new_map" from
10027 const line_map * to const line_map_ordinary *.
10028 * c-ppoutput.c (cb_define): Likewise for local "map".
10029 (pp_file_change): Likewise for param "map" and local "from".
10030
fab27f52
MM		 100312015-05-19 Mikhail Maltsev <maltsevm@gmail.com>
10032
10033 * c-common.c (shorten_compare): Use std::swap instead of explicit swaps.
10034
2fe1d762
TV		 100352015-05-18 Tom de Vries <tom@codesourcery.com>
10036
10037 * c-common.c (build_va_arg_1): New function.
10038 (build_va_arg): Add address operator to va_list operand if necessary.
10039
7a37fa90
MM		 100402015-05-15 Mikhail Maltsev <maltsevm@gmail.com>
10041
10042 PR c/48956
10043 * c-common.c (int_safely_convertible_to_real_p): Define.
10044 (unsafe_conversion_p): Check conversions involving complex types.
10045 (conversion_warning): Add new warning message for conversions which
10046 discard imaginary component.
10047 * c-common.h: (enum conversion_safety): Add new enumerator for such
10048 conversions.
10049
3aa3c9fc
MP		 100502015-05-14 Marek Polacek <polacek@redhat.com>
10051
10052 PR c/66066
10053 PR c/66127
10054 * c-common.c (c_fully_fold): Pass false down to c_fully_fold_internal.
10055 (c_fully_fold_internal): Fold C_MAYBE_CONST_EXPRs with
10056 C_MAYBE_CONST_EXPR_INT_OPERANDS set. Add FOR_INT_CONST argument and
10057 use it. If FOR_INT_CONST, require that all evaluated operands be
10058 INTEGER_CSTs.
10059
c3388e62
DM		 100602015-05-12 David Malcolm <dmalcolm@redhat.com>
10061
10062 * c-common.h (warn_for_misleading_indentation): New prototype.
10063 * c-indentation.c: New file.
10064 * c.opt (Wmisleading-indentation): New option.
10065
c7b38fd5
TV		 100662015-05-12 Tom de Vries <tom@codesourcery.com>
10067
10068 PR tree-optimization/66010
10069 * c-common.c (build_va_arg): Don't mark ap addressable unless necessary.
10070
381bf11e
JM		 100712015-05-09 Jason Merrill <jason@redhat.com>
10072
edff0c06
JM		 10073 * c-opts.c (c_common_post_options): Also clear
10074 cpp_opts->cpp_warn_cxx11_compat.
10075
129211bc
JM		 10076 * c-common.h (enum cxx_dialect): Add cxx_unset.
10077 * c-common.c (cxx_dialect): Initialize to cxx_unset.
10078 * c-opts.c (c_common_post_options): Set C++ dialect to C++98 if unset.
10079
381bf11e
JM		 10080 * c.opt (std=c++14): Remove Undocumented flag and experimental warning.
10081 (std=gnu++0x): Mark as Undocumented.
10082 (std=gnu++1y): Add deprecated message.
10083
fe191308
JM		 100842015-05-08 Jason Merrill <jason@redhat.com>
10085
765189ff
JM		 10086 * c.opt (Wc++11-compat): Make primary. Rename var warn_cxx11_compat.
10087 * c-opts.c: Adjust.
10088
fe191308
JM		 10089 * c.opt (Wc++0x-compat): Also set cpp_warn_cxx11_compat.
10090
755e528f
MP		 100912015-05-08 Marek Polacek <polacek@redhat.com>
10092
10093 PR c/64918
10094 * c.opt (Woverride-init-side-effects): New option.
10095
0173bd2a
MP		 100962015-05-07 Marek Polacek <polacek@redhat.com>
10097
10098 PR c/65179
10099 * c-common.c (c_fully_fold_internal): Warn when left shifting a
10100 negative value.
10101 * c.opt (Wshift-negative-value): New option.
10102 * c-opts.c (c_common_post_options): Set warn_shift_negative_value
10103 when -Wextra and C99/C++11 mode.
10104
e0f0d3b9
MP		 101052015-05-07 Marek Polacek <polacek@redhat.com>
10106 Martin Uecker <uecker@eecs.berkeley.edu>
10107
10108 * c-ubsan.c (ubsan_instrument_bounds): Don't skip instrumenting
10109 flexible member array-like members if SANITIZE_BOUNDS_STRICT.
10110
8243e2a9
JM		 101112015-05-05 Jason Merrill <jason@redhat.com>
10112
10113 * c.opt (Wterminate): New.
10114
577cd070
MP		 101152015-04-30 Marek Polacek <polacek@redhat.com>
10116
10117 * c-common.c (maybe_warn_bool_compare): When comparing with 0/1,
10118 require that the non-constant be of a boolean type.
10119
0373796b
JT		 101202015-04-29 Josh Triplett <josh@joshtriplett.org>
10121
e0f0d3b9
MP		 10122 * c-common.c (handle_section_attribute): Refactor to reduce
10123 nesting and distinguish between error cases.
0373796b 10124
716c0ba6
MP		 101252015-04-29 Marek Polacek <polacek@redhat.com>
10126
10127 PR c/64610
10128 * c-common.c (maybe_warn_bool_compare): Warn when comparing a boolean
10129 with 0/1.
10130
8848828b
JJ		 101312015-04-29 Jakub Jelinek <jakub@redhat.com>
10132
10133 * c-common.h (omp_clause_mask): Unconditionally define as a class.
10134 Use uint64_t instead of unsigned HOST_WIDE_INT and 64 instead of
10135 HOST_BITS_PER_WIDE_INT.
10136
ecd0e562
TV		 101372015-04-28 Tom de Vries <tom@codesourcery.com>
10138
10139 PR tree-optimization/65887
10140 * c-common.c (build_va_arg): Mark va_arg ap argument as addressable.
10141
2a877204 101422015-04-28 Eric Botcazou <ebotcazou@adacore.com>
e0f0d3b9 10143 Pierre-Marie de Rodat <derodat@adacore.com>
2a877204
EB		 10144
10145 * c-ada-spec.c (in_function): Delete.
10146 (dump_generic_ada_node): Do not change in_function and remove the
10147 redundant code dealing with it.
10148 (print_ada_declaration): Do not change in_function. Use INDENT_INCR.
10149 (print_ada_methods): Output the static member functions in a nested
10150 package after the regular methods as well as associated renamings.
10151
4853031e
MP		 101522015-04-24 Marek Polacek <polacek@redhat.com>
10153
10154 PR c/65830
10155 * c-common.c (c_fully_fold_internal): Use OPT_Wshift_count_negative
10156 and OPT_Wshift_count_overflow.
10157
8c2b7f79
MP		 10158 PR c/63357
10159 * c-common.c (warn_logical_operator): Warn if the operands have the
10160 same expressions.
10161
b8787813
MP		 101622015-04-24 Marek Polacek <polacek@redhat.com>
10163
10164 PR c/61534
10165 * c-common.c (warn_logical_operator): Bail if either operand comes
10166 from a macro expansion.
10167
8fba1830
BRF		 101682015-04-10 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
10169
10170 PR target/55143
10171 * c-common.c (c_default_pointer_mode): Add definition.
10172 * c-common.h (c_default_pointer_mode): Add declaration.
10173
17958621
JJ		 101742015-03-11 Jakub Jelinek <jakub@redhat.com>
10175
10176 * c-common.c (c_common_nodes_and_builtins): Don't call xstrdup
10177 on record_builtin_type argument.
10178
7ccb1a11
JJ		 101792015-03-10 Jakub Jelinek <jakub@redhat.com>
10180
10181 PR c/65120
10182 * c-common.c (warn_logical_not_parentheses): Don't warn for
10183 !x == 0 or !x != 0.
10184
04fd785e
MP		 101852015-03-07 Marek Polacek <polacek@redhat.com>
10186
10187 PR sanitizer/65280
10188 * c-ubsan.c (ubsan_instrument_bounds): Check for COMPONENT_REF
10189 before trying to figure out whether we have a flexible array member.
10190
a4e26206 101912015-03-06 Eric Botcazou <ebotcazou@adacore.com>
8e745a17 10192 Jonathan Wakely <jwakely.gcc@gmail.com>
a4e26206
EB		 10193
10194 * c-ada-spec.c (dump_ada_double_name): Fix pasto.
10195
0d2489f4
EB		 101962015-03-05 Eric Botcazou <ebotcazou@adacore.com>
10197
10198 PR ada/65319
10199 * c-ada-spec.c (print_destructor): Remove obsolete code.
10200
83ed54d7
EB		 102012015-03-01 Eric Botcazou <ebotcazou@adacore.com>
10202
10203 * c-ada-spec.c (is_tagged_type): Add guard for DECL_VINDEX.
10204 (dump_template_types): Adjust DECL_TEMPLATE_INSTANTIATIONS and
10205 DECL_TEMPLATE_RESULT emulations.
10206 (dump_ada_template)): Add guard for TYPE_METHODS.
10207
7631f0e2
MP		 102082015-02-27 Marek Polacek <polacek@redhat.com>
10209
10210 PR c/65040
10211 * c.opt (Wformat-signedness): Don't enable by -Wformat=2.
10212
d1783ae5
KT		 102132015-02-27 Kai Tietz <ktietz@redhat.com>
10214
10215 PR c/35330
10216 * c-pragma.c (handle_pragma_weak): Do not try to create
10217 weak/alias of declarations not being function, or variable
10218 declarations.
10219
56a9f6bc
TS		 102202015-02-24 Thomas Schwinge <thomas@codesourcery.com>
10221
10222 PR libgomp/64625
10223 * c-common.c (DEF_FUNCTION_TYPE_VAR_8, DEF_FUNCTION_TYPE_VAR_12):
10224 Remove macros.
10225 (DEF_FUNCTION_TYPE_VAR_7, DEF_FUNCTION_TYPE_VAR_11): New macros.
10226
3d5cb23d
MP		 102272015-02-16 Marek Polacek <polacek@redhat.com>
10228
10229 PR c/65066
10230 * c-format.c (check_format_types): Handle null param.
10231
fa008882
MP		 102322015-02-13 Marek Polacek <polacek@redhat.com>
10233
10234 PR c/65040
10235 * c-format.c (check_format_types): Don't warn about different
10236 signedness if the original value is in the range of WANTED_TYPE.
10237
785f21af
JM		 102382015-02-12 Jason Merrill <jason@redhat.com>
10239
10240 PR c++/64956
10241 * c-opts.c (c_common_post_options): Change flag_abi_version from 0
10242 to the current highest version.
10243 * c-cppbuiltin.c (c_cpp_builtins): Assert that it isn't 0.
10244
4886ec8e
JJ		 102452015-02-04 Jakub Jelinek <jakub@redhat.com>
10246
10247 PR c/64824
10248 PR c/64868
10249 * c-omp.c (c_finish_omp_atomic): Use TRUNC_DIV_EXPR
10250 instead of RDIV_EXPR. Use build_binary_op instead of
10251 build2_loc.
10252
40fecdd6
JM		 102532015-01-30 Joseph Myers <joseph@codesourcery.com>
10254
10255 * c-opts.c, c-pch.c, cppspec.c: All callers of fatal_error changed
10256 to pass input_location as first argument.
10257
a0c88d06
TV		 102582015-01-23 Tom de Vries <tom@codesourcery.com>
10259
10260 PR libgomp/64672
10261 * c.opt (fopenacc): Mark as LTO option.
10262
1506ae0e
TV		 102632015-01-23 Tom de Vries <tom@codesourcery.com>
10264
10265 PR libgomp/64707
10266 * c.opt (fopenmp): Mark as LTO option.
10267
31be63ab
JJ		 102682015-01-21 Jakub Jelinek <jakub@redhat.com>
10269
10270 PR c/63307
b1726d6c 10271 * cilk.c (fill_decls_vec): Only put decls into vector v.
31be63ab
JJ		 10272 (compare_decls): Fix up formatting.
10273
102742015-01-21 Igor Zamyatin <igor.zamyatin@intel.com>
10275
10276 PR c/63307
10277 * cilk.c: Include vec.h.
10278 (struct cilk_decls): New structure.
10279 (wrapper_parm_cb): Split this function to...
10280 (fill_decls_vec): ...this...
10281 (create_parm_list): ...and this.
10282 (compare_decls): New function.
10283 (for_local_cb): Remove.
10284 (wrapper_local_cb): Ditto.
10285 (build_wrapper_type): For now first traverse and fill vector of
10286 declarations then sort it and then deal with sorted vector.
10287 (cilk_outline): Ditto.
10288 (declare_one_free_variable): Ditto.
10289
6875457f
JM		 102902015-01-21 Jason Merrill <jason@redhat.com>
10291
10292 PR c++/64629
10293 * c-format.c (check_format_arg): Call decl_constant_value.
10294
185c9e56
ML		 102952015-01-19 Martin Liska <mliska@suse.cz>
10296
10297 * c-common.c (handle_noicf_attribute): New function.
10298
41dbbb37
TS		 102992015-01-15 Thomas Schwinge <thomas@codesourcery.com>
10300 Bernd Schmidt <bernds@codesourcery.com>
10301 James Norris <jnorris@codesourcery.com>
10302 Cesar Philippidis <cesar@codesourcery.com>
10303 Ilmir Usmanov <i.usmanov@samsung.com>
10304 Jakub Jelinek <jakub@redhat.com>
10305
10306 * c.opt (fopenacc): New option.
10307 * c-cppbuiltin.c (c_cpp_builtins): Conditionally define _OPENACC.
10308 * c-common.c (DEF_FUNCTION_TYPE_VAR_8, DEF_FUNCTION_TYPE_VAR_12):
10309 New macros.
10310 * c-common.h (c_finish_oacc_wait): New prototype.
10311 * c-omp.c: Include "omp-low.h" and "gomp-constants.h".
10312 (c_finish_oacc_wait): New function.
10313 * c-pragma.c (oacc_pragmas): New variable.
10314 (c_pp_lookup_pragma, init_pragma): Handle it.
10315 * c-pragma.h (enum pragma_kind): Add PRAGMA_OACC_CACHE,
10316 PRAGMA_OACC_DATA, PRAGMA_OACC_ENTER_DATA, PRAGMA_OACC_EXIT_DATA,
10317 PRAGMA_OACC_KERNELS, PRAGMA_OACC_LOOP, PRAGMA_OACC_PARALLEL,
10318 PRAGMA_OACC_UPDATE, PRAGMA_OACC_WAIT.
10319 (enum pragma_omp_clause): Add PRAGMA_OACC_CLAUSE_ASYNC,
10320 PRAGMA_OACC_CLAUSE_AUTO, PRAGMA_OACC_CLAUSE_COLLAPSE,
10321 PRAGMA_OACC_CLAUSE_COPY, PRAGMA_OACC_CLAUSE_COPYIN,
10322 PRAGMA_OACC_CLAUSE_COPYOUT, PRAGMA_OACC_CLAUSE_CREATE,
10323 PRAGMA_OACC_CLAUSE_DELETE, PRAGMA_OACC_CLAUSE_DEVICE,
10324 PRAGMA_OACC_CLAUSE_DEVICEPTR, PRAGMA_OACC_CLAUSE_FIRSTPRIVATE,
10325 PRAGMA_OACC_CLAUSE_GANG, PRAGMA_OACC_CLAUSE_HOST,
10326 PRAGMA_OACC_CLAUSE_IF, PRAGMA_OACC_CLAUSE_NUM_GANGS,
10327 PRAGMA_OACC_CLAUSE_NUM_WORKERS, PRAGMA_OACC_CLAUSE_PRESENT,
10328 PRAGMA_OACC_CLAUSE_PRESENT_OR_COPY,
10329 PRAGMA_OACC_CLAUSE_PRESENT_OR_COPYIN,
10330 PRAGMA_OACC_CLAUSE_PRESENT_OR_COPYOUT,
10331 PRAGMA_OACC_CLAUSE_PRESENT_OR_CREATE, PRAGMA_OACC_CLAUSE_PRIVATE,
10332 PRAGMA_OACC_CLAUSE_REDUCTION, PRAGMA_OACC_CLAUSE_SELF,
10333 PRAGMA_OACC_CLAUSE_SEQ, PRAGMA_OACC_CLAUSE_VECTOR,
10334 PRAGMA_OACC_CLAUSE_VECTOR_LENGTH, PRAGMA_OACC_CLAUSE_WAIT,
10335 PRAGMA_OACC_CLAUSE_WORKER.
10336
3f8257db 103372015-01-14 Marcos Diaz <marcos.diaz@tallertechnologies.com>
5434dc07
MD		 10338
10339 * c-cppbuiltin.c (c_cpp_builtins): New cpp define __SSP_EXPLICIT__
10340 for the new option fstack-protector_explicit.
10341 * c-common.c (c_common_attribute_table): Add stack_protect attribute.
10342 (handle_stack_protect_attribute): New function.
10343
3f8257db 103442015-01-13 Martin Uecker <uecker@eecs.berkeley.edu>
de1b5c17
MU		 10345
10346 * c.opt: New option -Warray-bounds=.
10347
adfac8df
JJ		 103482015-01-09 Michael Collison <michael.collison@linaro.org>
10349
10350 * array-notation-common.c: Include hash-set.h, machmode.h,
10351 vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
10352 fold-const.h, wide-int.h, and inchash.h due to flattening of tree.h.
10353 * c-ada-spec.c: Ditto.
10354 * c-cilkplus.c: Ditto.
10355 * c-common.c: Include input.h due to flattening of tree.h.
10356 Define macro GCC_C_COMMON_C.
10357 * c-common.h: Flatten tree.h header files into c-common.h.
10358 Remove include of tree-core.h.
10359 * c-cppbuiltin.c: Include hash-set.h, machmode.h,
10360 vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
10361 fold-const.h, wide-int.h, and inchash.h due to
10362 flattening of tree.h.
10363 * c-dump.c: Ditto.
10364 * c-format.c: Flatten tree.h header files into c-common.h.
10365 * c-cppbuiltin.c: Include hash-set.h, machmode.h,
10366 vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
10367 fold-const.h, wide-int.h, and inchash.h due to
10368 flattening of tree.h.
10369 * c-dump.c: Include hash-set.h, machmode.h,
10370 vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
10371 fold-const.h, wide-int.h, and inchash.h due to
10372 flattening of tree.h.
10373 * c-format.c: Include hash-set.h, machmode.h,
10374 vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
10375 fold-const.h, wide-int.h, inchash.h and real.h due to
10376 flattening of tree.h.
10377 * c-gimplify.c: Include hash-set.h, machmode.h,
10378 vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
10379 fold-const.h, wide-int.h, and inchash.h due to
10380 flattening of tree.h.
10381 * cilk.c: Ditto.
10382 * c-lex.c: Ditto.
10383 * c-omp.c: Ditto.
10384 * c-opts.c: Ditto.
10385 * c-pch.c: Ditto.
10386 * c-ppoutput.c: Ditto.
10387 * c-pragma.c: Ditto.
10388 * c-pretty-print.c: Ditto.
10389 * c-semantics.c: Ditto.
10390 * c-ubsan.c: Ditto.
10391 * stub-objc.c: Ditto.
10392
f5481fc4
JM		 103932015-01-08 Jason Merrill <jason@redhat.com>
10394
10395 * c-ubsan.c (ubsan_maybe_instrument_array_ref): Use
10396 do_ubsan_in_current_function.
10397 (ubsan_maybe_instrument_reference_or_call): Likewise.
10398 * c-ubsan.h: Declare it.
10399
de35aa66
MS		 104002015-01-08 Mike Stump <mikestump@comcast.net>
10401
10402 * c-common.c (c_common_attribute_table): Add no_sanitize_thread.
10403
4a9a42ab
MP		 104042015-01-07 Marek Polacek <polacek@redhat.com>
10405
10406 PR c/64440
10407 * c-common.c (c_fully_fold_internal): Warn for division and modulo
10408 if orig_op1 isn't INTEGER_CST, op1 is INTEGER_CST and is zero.
10409
2f42e5de
TS		 104102015-01-05 Trevor Saunders <tsaunders@mozilla.com>
10411
10412 PR c++/31397
10413 * c.opt (Wsuggest-override): New option.
10414
5624e564
JJ		 104152015-01-05 Jakub Jelinek <jakub@redhat.com>
10416
10417 Update copyright years.
10418
5bd012f8
MP		 104192015-01-05 Marek Polacek <polacek@redhat.com>
10420
10421 PR c/64423
10422 * c-common.c (warn_array_subscript_with_type_char): Add location_t
10423 parameter. Use it.
10424 * c-common.h (warn_array_subscript_with_type_char): Update
10425 declaration.
10426
a7fa8d18
ESR		 104272014-12-20 Edward Smith-Rowland <3dw4rd@verizon.net>
10428
10429 * c-cppbuiltin.c (__cpp_sized_deallocation): Uncomment and move macro.
10430 Control macro with flag_sized_deallocation.
10431
3f8257db 104322014-12-20 Martin Uecker <uecker@eecs.berkeley.edu>
768952be
MU		 10433
10434 * c.opt (Wdiscarded-array-qualifiers): New option.
10435
1f8d3e84
JJ		 104362014-12-19 Jakub Jelinek <jakub@redhat.com>
10437
10438 PR preprocessor/63831
10439 * c-cppbuiltin.c (c_cpp_builtins): Don't define __has_attribute
10440 and __has_cpp_attribute here.
10441 * c-ppoutput.c (init_pp_output): Set cb->has_attribute to
10442 c_common_has_attribute.
10443 * c-common.h (c_common_has_attribute): New prototype.
10444 * c-lex.c (init_c_lex): Set cb->has_attribute to
10445 c_common_has_attribute instead of cb_has_attribute.
10446 (get_token_no_padding): New function.
10447 (cb_has_attribute): Renamed to ...
10448 (c_common_has_attribute): ... this. No longer static. Use
10449 get_token_no_padding, require ()s, don't build TREE_LIST
10450 unnecessarily, fix up formatting, adjust diagnostics, call
10451 init_attributes.
10452
20b06add
JM		 104532014-12-15 Jason Merrill <jason@redhat.com>
10454
10455 * c.opt (-fsized-deallocation, -Wc++14-compat): New.
10456 (-Wsized-deallocation): New.
10457 * c-opts.c (c_common_post_options): -fsized-deallocation defaults
10458 to on in C++14 and up.
10459
94a073b2
JM		 104602014-12-11 Jason Merrill <jason@redhat.com>
10461
acaa5911
JM		 10462 * c-cppbuiltin.c (c_cpp_builtins): Enable C++14 __cpp_constexpr.
10463
94a073b2
JM		 10464 * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_runtime_arrays if
10465 we aren't complaining about VLAs.
10466
7fb66c15
MP		 104672014-12-06 Marek Polacek <polacek@redhat.com>
10468
10469 PR tree-optimization/64183
10470 * c-gimplify.c (c_gimplify_expr): Don't convert the RHS of a
10471 shift-expression if it is integer_type_node. Use types_compatible_p.
10472
b731b390
JJ		 104732014-11-29 Jakub Jelinek <jakub@redhat.com>
10474
10475 * c-common.c (convert_vector_to_pointer_for_subscript): Remove NULL
10476 last argument from create_tmp_var_raw and create_tmp_var calls.
10477 * cilk.c (gimplify_cilk_spawn): Likewise.
10478 * c-omp.c (c_finish_omp_atomic): Likewise.
10479
6a4da643
MP		 104802014-11-28 Marek Polacek <polacek@redhat.com>
10481
10482 * c-ubsan.c (ubsan_instrument_shift): Use op1_utype for MINUS_EXPR
10483 instead of unsigned_type_node.
10484
541e35a6
MP		 104852014-11-28 Marek Polacek <polacek@redhat.com>
10486
10487 PR c/63862
10488 * c-ubsan.c (ubsan_instrument_shift): Change the type of a MINUS_EXPR
10489 to op1_utype.
10490 * c-gimplify.c (c_gimplify_expr): Convert right operand of a shift
10491 expression to unsigned_type_node.
10492
dcc97066
MW		 104932014-11-20 Mark Wielaard <mjw@redhat.com>
10494
10495 PR debug/38757
10496 * c-opts.c (set_std_c89): Set lang_hooks.name.
10497 (set_std_c99): Likewise.
10498 (set_std_c11): Likewise.
10499 (set_std_cxx98): Likewise.
10500 (set_std_cxx11): Likewise.
10501 (set_std_cxx14): Likewise.
10502 (set_std_cxx1z): Likewise.
10503
aa7da51a
JJ		 105042014-11-21 Jakub Jelinek <jakub@redhat.com>
10505
10506 PR target/63764
10507 * c-common.h (convert_vector_to_pointer_for_subscript): Change
10508 return type to bool.
009a3480 10509 * c-common.c: Include gimple-expr.h.
aa7da51a
JJ		 10510 (convert_vector_to_pointer_for_subscript): Change return type to
10511 bool. If *vecp is not lvalue_p and has VECTOR_TYPE, return true
10512 and copy it into a TARGET_EXPR and use that instead of *vecp
10513 directly.
10514
538dd0b7
DM		 105152014-11-19 David Malcolm <dmalcolm@redhat.com>
10516
10517 Merger of git branch "gimple-classes-v2-option-3".
10518 * ChangeLog.gimple-classes: New.
10519 * c-gimplify.c (add_block_to_enclosing): Strengthen local "stack"
10520 from being just a vec<gimple> to a vec<gbind *>.
10521
c39a5e99
JJ		 105222014-11-18 Jakub Jelinek <jakub@redhat.com>
10523
10524 PR sanitizer/63813
10525 * c-ubsan.c (ubsan_maybe_instrument_reference_or_call): Change type
10526 argument to ptype, set type to TREE_TYPE (ptype). Don't call
10527 get_pointer_alignment for non-pointers. Use ptype, or if it is
10528 reference type, corresponding pointer type, as type of kind
10529 argument.
10530 (ubsan_maybe_instrument_reference,
10531 ubsan_maybe_instrument_member_call): Adjust callers.
10532
8537a4a9
MP		 105332014-11-15 Marek Polacek <polacek@redhat.com>
10534
10535 PR middle-end/63884
10536 * array-notation-common.c (is_sec_implicit_index_fn): Return false
10537 for NULL fndecl.
10538 (extract_array_notation_exprs): Return for NULL node.
10539
2079956a
JM		 105402014-11-12 Joseph Myers <joseph@codesourcery.com>
10541
10542 * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Define and
10543 undefine __NO_MATH_ERRNO__ based on changes to -fmath-errno state.
10544
1304953e
JJ		 105452014-11-12 Jakub Jelinek <jakub@redhat.com>
10546
10547 PR c/59708
10548 * c-common.c (check_builtin_function_arguments): Handle
10549 BUILT_IN_{ADD,SUB,MUL}_OVERFLOW.
10550
e5e44252
AK		 105512014-11-10 Andi Kleen <ak@linux.intel.com>
10552
10553 PR c/60804
10554 * c-common.h (check_no_cilk): Declare.
10555 * cilk.c (get_error_location): New function.
10556 (check_no_cilk): Dito.
10557
e64b984d
AK		 105582014-11-10 Andi Kleen <ak@linux.intel.com>
10559
10560 * cilk.c (recognize_spawn): Use expression location
10561 for error message.
10562
13c21655
PC		 105632014-11-10 Paolo Carlini <paolo.carlini@oracle.com>
10564
10565 * c.opt ([Wshift-count-negative, Wshift-count-overflow]): Add.
10566
42fd12b1
ESR		 105672014-11-10 Edward Smith-Rowland <3dw4rd@verizon.net>
10568
10569 * c-cppbuiltin.c (__has_attribute, __has_cpp_attribute): New macros;
10570 (__cpp_rtti, __cpp_exceptions): New macros for C++98;
10571 (__cpp_range_based_for, __cpp_initializer_lists,
10572 __cpp_delegating_constructors, __cpp_nsdmi,
10573 __cpp_inheriting_constructors, __cpp_ref_qualifiers): New macros
10574 for C++11; (__cpp_attribute_deprecated): Remove in favor of
10575 __has_cpp_attribute.
10576 * c-lex.c (cb_has_attribute): New callback CPP function;
10577 (init_c_lex): Set has_attribute callback.
10578
6f450181
RB		 105792014-11-04 Richard Biener <rguenther@suse.de>
10580
10581 * c-common.c (shorten_compare): Do not shorten mixed
10582 DFP and non-DFP compares.
10583
26f0e1d6
ESR		 105842014-11-01 Edward Smith-Rowland <3dw4rd@verizon.net>
10585
10586 * g++.dg/cpp1y/feat-cxx11.C: Commentary and rearrangement of tests.
10587 * g++.dg/cpp1y/feat-cxx11-neg.C: Add aggregate NSDMI test.
10588 Commentary and rearrangement of tests.
10589 * g++.dg/cpp1y/feat-cxx14.C: Enable aggregate NSDMI test.
10590 Commentary and rearrangement of tests.
ab20d992 10591 * g++.dg/cpp1y/feat-cxx98-neg.C: Ditto.
26f0e1d6
ESR		 10592 * g++.dg/cpp1y/feat-cxx98.C: Commentary.
10593
ef4bddc2
RS		 105942014-10-29 Richard Sandiford <richard.sandiford@arm.com>
10595
10596 * c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
10597 enum from machine_mode.
10598
c582198b
AM		 105992014-10-28 Andrew MacLeod <amacleod@redhat.com>
10600
adfac8df
JJ		 10601 * c-common.c: Adjust include files.
10602 * c-gimplify.c: Ditto.
10603 * cilk.c: Ditto.
10604 * c-pragma.c: Ditto.
10605 * c-ubsan.c: Ditto.
c582198b 10606
60393bbc
AM		 106072014-10-27 Andrew MacLeod <amacleod@redhat.com>
10608
10609 * c-gimplify.c: Adjust include files.
10610
d723bb7c
MLI		 106112014-10-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
10612
10613 PR c++/53061
10614 * c-opts.c (c_common_diagnostics_set_defaults): Renamed from
10615 c_common_initialize_diagnostics.
10616 * c-common.h: Likewise.
10617
90f3520e
MP		 106182014-10-24 Marek Polacek <polacek@redhat.com>
10619
10620 PR c/56980
10621 * c-pretty-print.c (c_pretty_printer::simple_type_specifier): Don't
10622 print "struct"/"union"/"enum" for typedefed names.
10623
59d7607a
MP		 106242014-10-23 Marek Polacek <polacek@redhat.com>
10625
10626 * c-ubsan.c (ubsan_instrument_shift): Perform the MINUS_EXPR
10627 in unsigned type.
10628
d95a2703
JJ		 106292014-10-22 Jakub Jelinek <jakub@redhat.com>
10630 Yury Gribov <y.gribov@samsung.com>
10631
10632 * c-ubsan.c (ubsan_instrument_division, ubsan_instrument_shift,
10633 ubsan_instrument_vla): Check bits in flag_sanitize_recover bitmask
10634 instead of flag_sanitize_recover as bool flag.
10635
8e6ef852
KY		 106362014-10-21 Kirill Yukhin <kirill.yukhin@intel.com>
10637
10638 * cilk.c: Revert previous change.
10639
948cf550
IZ		 106402014-10-20 Igor Zamyatin <igor.zamyatin@intel.com>
10641
10642 PR c/63307
10643 * cilk.c: Include vec.h.
10644 (struct cilk_decls): New structure.
10645 (wrapper_parm_cb): Split this function to...
10646 (fill_decls_vec): ...this...
10647 (create_parm_list): ...and this.
10648 (compare_decls): New function.
10649 (for_local_cb): Remove.
10650 (wrapper_local_cb): Ditto.
10651 (build_wrapper_type): For now first traverse and fill vector of
10652 declarations then sort it and then deal with sorted vector.
10653 (cilk_outline): Ditto.
10654 (declare_one_free_variable): Ditto.
10655
92574c7c
MP		 106562014-10-17 Marek Polacek <polacek@redhat.com>
10657
10658 * c-opts.c (c_common_post_options): Set warn_implicit_int.
10659 * c.opt (Wimplicit-int): Initialize to -1.
10660
83685514
AM		 106612014-10-16 Andrew MacLeod <amacleod@redhat.com>
10662
10663 * c-pragma.c: Adjust include files.
10664 * c-semantics.c: Likewise.
10665
5b8300ea
DD		 106662014-10-16 DJ Delorie <dj@redhat.com>
10667
10668 * c-cppbuiltin.c (cpp_atomic_builtins): Don't assume pointers are
10669 multiples of bytes.
10670
5f83e90b
JM		 106712014-10-14 Jason Merrill <jason@redhat.com>
10672
10673 PR c++/63455
10674 * c-common.h (CPP_PREPARSED_EXPR): New.
10675 (N_CP_TTYPES): Adjust.
10676
d73326ca
MP		 106772014-10-15 Marek Polacek <polacek@redhat.com>
10678
10679 * c-opts.c (c_common_init_options): Make -std=gnu11 the default for C.
10680
78a7c317
DD		 106812014-10-14 DJ Delorie <dj@redhat.com>
10682
10683 * c-pretty-print.c (pp_c_integer_constant): Check for all __intN
10684 types, not just __int128.
10685 * c-cppbuiltin.c (c_cpp_builtins): Add builtins for all __intN
10686 types, not just __int128.
10687 (cpp_atomic_builtins): Round pointer sizes up.
10688 (type_suffix): Use type precision, not specific types.
10689 * c-common.c (c_common_reswords): Remove __int128 special case.
10690 (c_common_type_for_size): Check for all __intN types, not just
10691 __int128.
10692 (c_common_type_for_mode): Likewise.
10693 (c_common_signed_or_unsigned_type): Likewise.
10694 (c_build_bitfield_integer_type): Likewise.
10695 (c_common_nodes_and_builtins): Likewise.
10696 (keyword_begins_type_specifier): Likewise.
10697 * c-common.h (rid): Remove RID_INT128 and add RID_INT_N_* for all
10698 __intN variants.
10699
2a22f99c
TS		 107002014-10-12 Trevor Saunders <tsaunders@mozilla.com>
10701
10702 * c-common.c: Use hash_table instead of hashtab.
10703
2a8ef767
ESR		 107042014-10-06 Edward Smith-Rowland <3dw4rd@verizon.net>
10705
adfac8df 10706 * c-cppbuiltin.c: Move __cpp_attribute_deprecated to the
2a8ef767
ESR		 10707 C++11 section.
10708
3c9aabbd
MG		 107092014-10-03 Marc Glisse <marc.glisse@inria.fr>
10710
10711 PR c++/54427
10712 PR c++/57198
10713 PR c++/58845
10714 * c-common.c (warn_logical_operator): Punt for vectors.
10715
a15f7cb8
ESR		 107162014-10-01 Edward Smith-Rowland <3dw4rd@verizon.net>
10717
10718 Implement SD-6: SG10 Feature Test Recommendations
10719 * c-cppbuiltin.c (c_cpp_builtins()): Define language feature
10720 macros and the __has_header macro.
10721
8d0cf15e
JM		 107222014-09-30 Jason Merrill <jason@redhat.com>
10723
dd5d5481
JM		 10724 * c-common.h (enum rid): Add RID_IS_TRIVIALLY_ASSIGNABLE and
10725 RID_IS_TRIVIALLY_CONSTRUCTIBLE.
10726 * c-common.c (c_common_reswords): Add __is_trivially_copyable.
10727
b752325e
JM		 10728 * c-common.h (enum rid): Add RID_IS_TRIVIALLY_COPYABLE.
10729 * c-common.c (c_common_reswords): Add __is_trivially_copyable.
10730
8d0cf15e
JM		 10731 * c-common.h (enum rid): Remove RID_IS_CONVERTIBLE_TO.
10732 * c-common.c (c_common_reswords): Remove __is_convertible_to.
10733
083e891e
MP		 107342014-09-24 Marek Polacek <polacek@redhat.com>
10735
10736 PR c/61405
10737 PR c/53874
10738 * c-common.h (struct c_common_resword): Don't define CPP_KEYWORD.
10739
7861b648
AK		 107402014-09-23 Andi Kleen <ak@linux.intel.com>
10741
10742 * c-common.c (handle_no_reorder_attribute): New function.
10743 (c_common_attribute_table): Add no_reorder attribute.
10744
9a79452d
JM		 107452014-09-22 Joseph Myers <joseph@codesourcery.com>
10746
10747 * c-cppbuiltin.c (c_cpp_builtins): Define
10748 __LIBGCC_*_EXCESS_PRECISION__ macros for supported floating-point
10749 modes.
10750
dd69f047
JM		 107512014-09-18 Joseph Myers <joseph@codesourcery.com>
10752
10753 * c-cppbuiltin.c (c_cpp_builtins): Define __LIBGCC_*_FUNC_EXT__
10754 for supported floating-point modes.
10755
737a4826
MLI		 107562014-09-15 Manuel López-Ibáñez <manu@gcc.gnu.org>
10757
10758 * c.opt (Wpsabi): Use LangEnabledBy.
10759 * c-opts.c (c_common_handle_option): Do not handle here.
10760
8cc4b7a2
JM		 107612014-09-12 Joseph Myers <joseph@codesourcery.com>
10762
10763 * c-cppbuiltin.c (c_cpp_builtins): Define __LIBGCC_HAS_%s_MODE__
10764 macros for floating-point modes.
10765
179b5a55
MG		 107662014-09-11 Marc Glisse <marc.glisse@inria.fr>
10767
10768 PR target/58757
10769 * c-cppbuiltin.c (builtin_define_float_constants): Correct
10770 __*_DENORM_MIN__ without denormals.
10771
570a11fe
JJ		 107722014-09-10 Jakub Jelinek <jakub@redhat.com>
10773
10774 * c-ubsan.c (ubsan_instrument_division, ubsan_instrument_shift,
10775 ubsan_instrument_vla, ubsan_instrument_return): Adjust
10776 ubsan_create_data callers.
10777 (ubsan_instrument_bounds): Don't emit UBSAN_BOUNDS at all if
10778 index is constant or BIT_AND_EXPR with constant mask and is
10779 small enough for the bound.
10780 * c-gimplify.c (ubsan_walk_array_refs_r): For ADDR_EXPR of
10781 ARRAY_REF, make sure the inner ARRAY_REF is not walked again.
10782
b559c810
MLI		 107832014-09-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
10784
10785 * c.opt: Add CppReason to various flags.
10786 (Wdate-time): Re-sort.
10787 * c-common.c: Include c-common.h earlier.
10788 (struct reason_option_codes_t): Delete.
10789 (c_option_controlling_cpp_error): Prefix global type and struct
10790 with cpp_.
10791
1ef33fd4
MLI		 107922014-09-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
10793
10794 * c.opt (Wnormalized): New.
10795 (Wnormalized=): Use Enum and Reject Negative.
10796 * c-opts.c (c_common_handle_option): Do not handle Wnormalized here.
10797
66bb34c0
JM		 107982014-09-08 Joseph Myers <joseph@codesourcery.com>
10799
10800 * c-cppbuiltin.c (c_cpp_builtins): Define macros for mantissa
10801 digits of floating-point modes if -fbuilding-libgcc.
10802
53d68b9f
JM		 108032014-09-05 Joseph Myers <joseph@codesourcery.com>
10804
10805 * c-cppbuiltin.c (c_cpp_builtins): Also define
10806 __LIBGCC_EH_TABLES_CAN_BE_READ_ONLY__,
10807 __LIBGCC_EH_FRAME_SECTION_NAME__, __LIBGCC_JCR_SECTION_NAME__,
10808 __LIBGCC_CTORS_SECTION_ASM_OP__, __LIBGCC_DTORS_SECTION_ASM_OP__,
10809 __LIBGCC_TEXT_SECTION_ASM_OP__, __LIBGCC_INIT_SECTION_ASM_OP__,
10810 __LIBGCC_INIT_ARRAY_SECTION_ASM_OP__,
10811 __LIBGCC_STACK_GROWS_DOWNWARD__,
10812 __LIBGCC_DONT_USE_BUILTIN_SETJMP__,
10813 __LIBGCC_DWARF_ALT_FRAME_RETURN_COLUMN__,
10814 __LIBGCC_DWARF_FRAME_REGISTERS__,
10815 __LIBGCC_EH_RETURN_STACKADJ_RTX__, __LIBGCC_JMP_BUF_SIZE__,
10816 __LIBGCC_STACK_POINTER_REGNUM__ and
10817 __LIBGCC_VTABLE_USES_DESCRIPTORS__ for -fbuilding-libgcc.
10818 (builtin_define_with_value): Handle backslash-escaping in string
10819 macro values.
10820
f65586dc
RB		 108212014-09-05 Richard Biener <rguenther@suse.de>
10822
10823 PR middle-end/63148
10824 * c-format.c (check_format_arg): Properly handle
10825 effectively signed POINTER_PLUS_EXPR offset.
10826
2b71f4a4
MLI		 108272014-09-04 Manuel López-Ibáñez <manu@gcc.gnu.org>
10828
10829 * c.opt (Wc90-c99-compat,Wc++-compat,Wcomment,Wendif-labels,
10830 Winvalid-pch,Wlong-long,Wmissing-include-dirs,Wmultichar,Wpedantic,
10831 (Wdate-time,Wtraditional,Wundef,Wvariadic-macros): Add CPP, Var
10832 and Init.
10833 * c-opts.c (c_common_handle_option): Do not handle here.
10834 (sanitize_cpp_opts): Likewise.
10835 * c-common.c (struct reason_option_codes_t): Handle
10836 CPP_W_C90_C99_COMPAT and CPP_W_PEDANTIC.
10837
d2e4feca
MP		 108382014-09-03 Marek Polacek <polacek@redhat.com>
10839
10840 * c.opt (Wlogical-not-parentheses): Enable by -Wall.
10841
9a771876
JJ		 108422014-09-02 Jakub Jelinek <jakub@redhat.com>
10843 Balaji V. Iyer <balaji.v.iyer@intel.com>
10844 Igor Zamyatin <igor.zamyatin@intel.com>
10845
10846 * c-cilkplus.c (cilk_for_number_of_iterations): New function.
10847 * c-common.c (c_common_reswords): Added _Cilk_for.
10848 * c-common.h (enum rid): Added RID_CILK_FOR.
10849 (cilk_for_number_of_iterations): Add declaration.
10850 * c-omp.c (c_finish_omp_for): Added checks for CILK_SIMD and
10851 CILK_FOR.
10852 * c-pragma.c (init_pragma): Register "grainsize" pragma.
10853 * c-pragma.h (enum pragma_kind): Add PRAGMA_CILK_GRAINSIZE.
10854
81b5d104
MLI		 108552014-08-29 Manuel López-Ibáñez <manu@gcc.gnu.org>
10856
10857 * c.opt (Wbuiltin-macro-redefined,Wdeprecated,Wendif-labels,
10858 Winvalid-pch,Wliteral-suffix,Wmissing-include-dirs,Wtrigraphs,
10859 Wundef): Use CPP, Var and Init.
10860 * c-opts.c (c_common_handle_option): Do not handle the above flags here.
10861
b753b37b
MLI		 108622014-08-29 Manuel López-Ibáñez <manu@gcc.gnu.org>
10863
10864 * c.opt (Wbuiltin-macro-redefined): Use CPP, Var and Init.
10865 * c-opts.c (c_common_handle_option): Do not handle here.
10866
028aee17
JM		 108672014-08-25 Jason Merrill <jason@redhat.com>
10868
10869 * c.opt: Change -std=c++1y and -std=gnu++1y to be aliases for
10870 -std=c++14 and -std=gnu++14, rather than the reverse.
10871 * c-opts.c (c_common_handle_option): Change OPT_std_c__1y and
10872 OPT_std_gnu__1y to OPT_std_c__14 and OPT_std_gnu__14.
10873 * c-common.h (cxx_dialect): Remove cxx1y.
10874
e4276ba5
ESR		 108752014-08-23 Edward Smith-Rowland <3dw4rd@verizon.net>
10876
10877 * c-common.h (enum cxx_dialect): Add cxx14.
10878 * c-opts.c (set_std_cxx1y): Rename to set_std_cxx14; Use cxx14.
10879 * c-ubsan.c (ubsan_instrument_shift): Change comment and logic from
10880 cxx_dialect == cxx11 || cxx_dialect == cxx1y to cxx_dialect >= cxx11.
10881
a545cacd
JM		 108822014-08-22 Jason Merrill <jason@redhat.com>
10883
10884 * c.opt (std=gnu++17): Fix alias.
10885
59ea0364
MP		 108862014-08-22 Marek Polacek <polacek@redhat.com>
10887
10888 PR c++/62199
10889 * c-common.c (warn_logical_not_parentheses): Don't check LHS. Don't
10890 check for vector types. Drop LHS argument.
10891 * c-common.h (warn_logical_not_parentheses): Adjust.
10892
596e808c
MLI		 108932014-08-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
10894
10895 * c.opt (Wcomment): Use CPP, Var and LangEnabledBy.
10896 (Wmultichar): Likewise.
10897 (Wdate-time): Use C-family languages instead of Common. Use CPP
10898 and Var.
10899 * c-opts.c (c_common_handle_option): Do not handle the above
10900 options here.
10901 (sanitize_cpp_opts): Likewise.
10902
18767f65
MLI		 109032014-08-21 Manuel López-Ibáñez <manu@gcc.gnu.org>
10904
10905 PR fortran/44054
10906 * c-opts.c: Include tree-diagnostics.h.
10907 (c_diagnostic_finalizer): New.
10908 (c_common_initialize_diagnostics): Use it.
10909
b4413594
MLI		 109102014-08-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
10911
10912 PR preprocessor/51303
10913 * c-common.c (struct reason_option_codes_t option_codes):
10914 Add CPP_W_MISSING_INCLUDE_DIRS. Sort alphabetically.
10915
43f9a13c
MLI		 109162014-08-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
10917
10918 PR c/60975
10919 PR c/53063
10920 * c.opt (Wvariadic-macros): Use CPP and LangEnabledBy.
10921 * c-opts.c (c_common_handle_option): Call cpp_handle_option_auto.
10922 (c_common_post_options): Call init_global_opts_from_cpp.
10923 (sanitize_cpp_opts): Do not handle Wvariadic-macros here.
10924
04159acf
MP		 109252014-08-19 Marek Polacek <polacek@redhat.com>
10926
10927 PR c++/62153
10928 * c-common.c (maybe_warn_bool_compare): New function.
10929 * c-common.h (maybe_warn_bool_compare): Declare.
10930 * c.opt (Wbool-compare): New option.
10931
35aff4fb
MP		 109322014-08-19 Marek Polacek <polacek@redhat.com>
10933
10934 * c.opt (Wc99-c11-compat): New option.
10935
177cce46
MP		 109362014-08-19 Marek Polacek <polacek@redhat.com>
10937
10938 * c-opts.c (sanitize_cpp_opts): Make warn_long_long be set according
10939 to warn_c90_c99_compat.
10940 * c.opt (Wc90-c99-compat, Wdeclaration-after-statement): Initialize
10941 to -1.
10942
6ae9194f
MLI		 109432014-08-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
10944 Steven Bosscher <steven@gcc.gnu.org>
10945
10946 PR c/52952
10947 * c-format.c: Add extra_arg_loc and format_string_loc to struct
10948 format_check_results.
10949 (check_function_format): Use true and add comment for boolean
10950 argument.
10951 (finish_dollar_format_checking): Use explicit location when warning.
10952 (check_format_info): Likewise.
10953 (check_format_arg): Set extra_arg_loc and format_string_loc.
10954 (check_format_info_main): Use explicit location when warning.
10955 (check_format_types): Pass explicit location.
10956 (format_type_warning): Likewise.
10957
8e54f6d3
MLI		 109582014-08-15 Manuel López-Ibáñez <manu@gcc.gnu.org>
10959
10960 PR fortran/44054
10961 * c-format.c: Handle Fortran flags.
10962
cd4e76fc
IZ		 109632014-08-12 Igor Zamyatin <igor.zamyatin@intel.com>
10964
10965 PR other/61962
10966 * array-notation-common.c (find_rank): Added handling for other
10967 types of references.
10968
f3bede71
MP		 109692014-08-10 Marek Polacek <polacek@redhat.com>
10970
10971 PR c/51849
10972 * c-opts.c (sanitize_cpp_opts): Pass warn_c90_c99_compat to libcpp.
10973 * c.opt (Wc90-c99-compat): Add option.
10974
9f25a338
TS		 109752014-08-07 Trevor Saunders <tsaunders@mozilla.com>
10976
10977 * c-gimplify.c, cilk.c: Remove includes of pointer-set.h.
10978
62e4eb35
MP		 109792014-08-03 Marek Polacek <polacek@redhat.com>
10980
ab20d992 10981 * c-common.c (check_case_value): Add location_t parameter. Use it.
62e4eb35
MP		 10982 (c_add_case_label): Pass loc to check_case_value.
10983
b787e7a2
TS		 109842014-08-02 Trevor Saunders <tsaunders@mozilla.com>
10985
10986 * cilk.c: Use hash_map instead of pointer_map.
10987
6e2830c3
TS		 109882014-08-02 Trevor Saunders <tsaunders@mozilla.com>
10989
10990 * c-gimplify.c: Use hash_set instead of pointer_set.
10991
a7ee52fb
IZ		 109922014-08-01 Igor Zamyatin <igor.zamyatin@intel.com>
10993
10994 PR middle-end/61455
10995 * array-notation-common.c (extract_array_notation_exprs): Handling
10996 of DECL_EXPR added.
10997
944fa280
JJ		 109982014-08-01 Jakub Jelinek <jakub@redhat.com>
10999
11000 * c-common.h (min_align_of_type): Removed prototype.
11001 * c-common.c (min_align_of_type): Removed.
11002 * c-ubsan.h (ubsan_maybe_instrument_reference,
11003 ubsan_maybe_instrument_member_call): New prototypes.
11004 * c-ubsan.c: Include stor-layout.h and builtins.h.
11005 (ubsan_maybe_instrument_reference_or_call,
11006 ubsan_maybe_instrument_reference, ubsan_maybe_instrument_call): New
11007 functions.
11008
b4dfdc11
MG		 110092014-07-31 Marc Glisse <marc.glisse@inria.fr>
11010
11011 PR c++/60517
11012 * c.opt (-Wreturn-local-addr): Move to common.opt.
11013
a41844e5
JM		 110142014-07-30 Jason Merrill <jason@redhat.com>
11015
11016 PR c++/61659
11017 PR c++/61687
11018 Revert:
11019 * c.opt (-fuse-all-virtuals): New.
11020
976d5a22
TT		 110212014-07-30 Tom Tromey <tromey@redhat.com>
11022
11023 PR c/59855
11024 * c.opt (Wdesignated-init): New option.
11025 * c-common.c (c_common_attribute_table): Add "designated_init".
11026 (handle_designated_init): New function.
11027
cdc94aca
MP		 110282014-07-24 Marek Polacek <polacek@redhat.com>
11029
11030 PR c/57653
11031 * c-opts.c (c_finish_options): If -imacros is in effect, return.
11032
f41373b6
DS		 110332014-07-16 Dodji Seketeli <dodji@redhat.com>
11034
11035 PR preprocessor/60723 - missing system-ness marks for macro tokens
11036 * c-ppoutput.c (struct print::prev_was_system_token): New data
11037 member.
11038 (init_pp_output): Initialize it.
11039 (maybe_print_line_1, maybe_print_line, print_line_1, print_line)
11040 (do_line_change): Return a flag saying if a line marker was
11041 emitted or not.
11042 (scan_translation_unit): Detect if the system-ness of the token we
11043 are about to emit is different from the one of the previously
11044 emitted token. If so, emit a line marker. Avoid emitting useless
11045 adjacent line markers. Avoid emitting line markers for tokens
11046 originating from the expansion of built-in macros.
11047 (scan_translation_unit_directives_only): Adjust.
11048
4d661eaa
MP		 110492014-07-15 Marek Polacek <polacek@redhat.com>
11050
11051 * c-ubsan.c (ubsan_instrument_bounds): Don't instrument if
11052 TYPE_MAX_VALUE is NULL.
11053
b108f48f
JJ		 110542014-07-14 Jakub Jelinek <jakub@redhat.com>
11055
11056 PR middle-end/61294
11057 * c.opt (Wmemset-transposed-args): New warning.
11058
c0221884
JM		 110592014-07-10 Jason Merrill <jason@redhat.com>
11060
11061 PR c++/61659
11062 PR c++/61687
11063 * c.opt (-fuse-all-virtuals): New.
11064
63dfbb95
RB		 110652014-07-09 Richard Biener <rguenther@suse.de>
11066
11067 PR c-family/61741
11068 * c-gimplify.c (c_gimplify_expr): Gimplify self-modify expressions
11069 using unsigned arithmetic if overflow does not wrap instead of
11070 if overflow is undefined.
11071
773ec47f
MP		 110722014-07-06 Marek Polacek <polacek@redhat.com>
11073
11074 PR c/6940
11075 * c.opt (Wsizeof-array-argument): New option.
11076
00a7ba58
JJ		 110772014-07-03 Jakub Jelinek <jakub@redhat.com>
11078
b1726d6c 11079 * c-ada-spec.c (dump_ada_nodes): Don't call qsort if
00a7ba58
JJ		 11080 comments->count <= 1, as comments->entries might be NULL.
11081
52ec0ea3
MP		 110822014-07-01 Marek Polacek <polacek@redhat.com>
11083
11084 * c.opt (Wint-conversion): New option.
11085
d5c3d343
MP		 110862014-07-01 Marek Polacek <polacek@redhat.com>
11087
11088 PR c/58286
11089 * c.opt (Wincompatible-pointer-types): New option.
11090
6e7ceb17
PC		 110912014-06-30 Paolo Carlini <paolo.carlini@oracle.com>
11092
11093 PR c++/51400
11094 * c-common.c (handle_noreturn_attribute, handle_const_attribute):
11095 Do not discard TYPE_QUALS of type.
11096
da73100b
JM		 110972014-06-26 Jason Merrill <jason@redhat.com>
11098
11099 * c-common.h (enum cxx_dialect): Add cxx1z.
11100 * c.opt (std=c++1z, std=c++17, std=gnu++1z, std=gnu++17): New.
11101 * c-opts.c (c_common_handle_option, set_std_cxx1z): Handle it.
11102
08eedf75
TJ		 111032014-06-26 Teresa Johnson <tejohnson@google.com>
11104
11105 * c-common.h (get_dump_info): Declare.
11106 * c-gimplify.c (c_genericize): Use saved dump files.
11107 * c-opts.c (c_common_parse_file): Begin and end dumps
11108 once around parsing invocation.
11109 (get_dump_info): New function.
11110
7b56b2f8
MP		 111112014-06-23 Marek Polacek <polacek@redhat.com>
11112 Andrew MacLeod <amacleod@redhat.com>
11113
11114 PR c/61553
11115 * c-common.c (get_atomic_generic_size): Don't segfault if the
11116 type doesn't have a size.
11117
0e37a2f3
MP		 111182014-06-20 Marek Polacek <polacek@redhat.com>
11119
11120 * c-gimplify.c: Include "c-ubsan.h" and "pointer-set.h".
11121 (ubsan_walk_array_refs_r): New function.
11122 (c_genericize): Instrument array bounds.
11123 * c-ubsan.c: Include "internal-fn.h".
11124 (ubsan_instrument_division): Mark instrumented arrays as having
11125 side effects. Adjust ubsan_type_descriptor call.
11126 (ubsan_instrument_shift): Likewise.
11127 (ubsan_instrument_vla): Adjust ubsan_type_descriptor call.
11128 (ubsan_instrument_bounds): New function.
11129 (ubsan_array_ref_instrumented_p): New function.
11130 (ubsan_maybe_instrument_array_ref): New function.
11131 * c-ubsan.h (ubsan_instrument_bounds): Declare.
11132 (ubsan_array_ref_instrumented_p): Declare.
11133 (ubsan_maybe_instrument_array_ref): Declare.
11134
111352014-06-20 Hale Wang <hale.wang@arm.com>
dd6fe7d4
HW		 11136
11137 PR lto/61123
11138 * c.opt (fshort-enums): Add to LTO.
11139 * c.opt (fshort-wchar): Likewise.
11140
5c3d09f7
MP		 111412014-06-16 Marek Polacek <polacek@redhat.com>
11142
11143 PR c/60439
11144 * c.opt (Wswitch-bool): Add Var.
11145
9cf32741
JJ		 111462014-06-12 Jakub Jelinek <jakub@redhat.com>
11147
11148 PR middle-end/61486
11149 * c-omp.c (c_omp_split_clauses): Don't crash on firstprivate in
11150 #pragma omp target teams or
11151 #pragma omp {,target }teams distribute simd.
11152
62984918
JM		 111532014-06-12 Jason Merrill <jason@redhat.com>
11154
11155 * c.opt (Wabi=, fabi-compat-version): New.
11156 * c-opts.c (c_common_handle_option): Handle -Wabi=.
11157 (c_common_post_options): Handle flag_abi_compat_version default.
11158 Disallow -fabi-compat-version=1.
11159 * c-common.h (abi_version_crosses): New.
11160
f961457f
JH		 111612014-06-11 Jan Hubicka <hubicka@ucw.cz>
11162
adfac8df 11163 * c-common.c (handle_section_attribute): Update handling for
f961457f
JH		 11164 section names that are no longer trees.
11165
92d28cbb
JJ		 111662014-06-10 Jakub Jelinek <jakub@redhat.com>
11167
11168 PR fortran/60928
11169 * c-pragma.c (omp_pragmas_simd): Move PRAGMA_OMP_TASK...
11170 (omp_pragmas): ... back here.
11171
742938c9
MP		 111722014-06-05 Marek Polacek <polacek@redhat.com>
11173
11174 PR c/49706
11175 * c-common.c (warn_logical_not_parentheses): New function.
11176 * c-common.h (warn_logical_not_parentheses): Declare.
11177 * c.opt (Wlogical-not-parentheses): New option.
11178
9d548dfb
MP		 111792014-06-04 Marek Polacek <polacek@redhat.com>
11180
11181 PR c/30020
11182 * c-common.c (check_case_bounds): Add location parameter.
11183 Use it.
11184 (c_add_case_label): Pass loc to check_case_bounds.
11185
fedfecef
MP		 111862014-06-03 Marek Polacek <polacek@redhat.com>
11187
11188 PR c/60439
11189 * c.opt (Wswitch-bool): New option.
11190
f6a7cffc
TS		 111912014-05-22 Thomas Schwinge <thomas@codesourcery.com>
11192
040d18b6
TS		 11193 * c-common.h (c_omp_sharing_predetermined, c_omp_remap_decl):
11194 Remove prototypes.
11195 (record_types_used_by_current_var_decl): Move prototype to where
11196 it belongs.
11197
f6a7cffc
TS		 11198 * c-common.c (DEF_FUNCTION_TYPE_0, DEF_FUNCTION_TYPE_6)
11199 (DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_8)
11200 (DEF_FUNCTION_TYPE_VAR_5): Cosmetic fixes.
11201
632f2871
RS		 112022014-05-21 Richard Sandiford <rsandifo@linux.vnet.ibm.com>
11203
11204 * c-common.h (CTI_VOID_ZERO, void_zero_node): Delete.
11205 * c-common.c (c_common_nodes_and_builtins): Don't initialize
11206 void_zero_node.
11207 * c-pretty-print.c (pp_c_void_constant): New function.
11208 (c_pretty_printer::constant, c_pretty_printer::primary_expression)
11209 (c_pretty_printer::expression): Handle VOID_CST.
11210 * cilk.c (extract_free_variables): Likewise.
11211 * c-ubsan.c (ubsan_instrument_division, ubsan_instrument_shift)
11212 (ubsan_instrument_vla): Use void_node instead of void_zero_node.
11213
766090c2
TS		 112142014-05-17 Trevor Saunders <tsaunders@mozilla.com>
11215
11216 * c-common.h (sorted_fields_type): Remove variable_size GTY attribute.
11217 * c-pragma.c (push_alignment): Adjust.
11218 (handle_pragma_push_options): Likewise.
11219
661a0813
MP		 112202014-05-09 Marek Polacek <polacek@redhat.com>
11221
11222 PR c/50459
11223 * c-common.c (check_user_alignment): Return -1 if alignment is error
11224 node.
11225 (handle_aligned_attribute): Don't call default_conversion on
11226 FUNCTION_DECLs.
11227 (handle_vector_size_attribute): Likewise.
11228 (handle_tm_wrap_attribute): Handle case when wrap_decl is error node.
11229 (handle_sentinel_attribute): Call default_conversion and allow even
11230 integral types as an argument.
11231
2793eeab
MP		 112322014-05-08 Marek Polacek <polacek@redhat.com>
11233
11234 PR c/61053
11235 * c-common.c (min_align_of_type): New function factored out from...
11236 (c_sizeof_or_alignof_type): ...here.
11237 * c-common.h (min_align_of_type): Declare.
11238
f827930a
MP		 112392014-05-08 Marek Polacek <polacek@redhat.com>
11240
11241 PR c/61077
11242 * c-common.c (check_main_parameter_types): Warn for _Atomic-qualified
11243 parameter type of main.
11244
ca49b74e
DD		 112452014-05-07 DJ Delorie <dj@redhat.com>
11246
11247 * c-cppbuiltin.c (print_bits_of_hex): New.
11248 (builtin_define_type_minmax): Print values using hex so as not to
11249 require a pre-computed list of string values.
11250
1d60af08
KZ		 112512014-05-06 Kenneth Zadeck <zadeck@naturalbridge.com>
11252 Mike Stump <mikestump@comcast.net>
11253 Richard Sandiford <rdsandiford@googlemail.com>
11254
11255 * c-ada-spec.c: Include wide-int.h.
11256 (ADA_HOST_WIDE_INT_PRINT_DOUBLE_HEX): Remove.
11257 (dump_generic_ada_node): Use wide-int interfaces.
11258 * c-common.c: Include wide-int-print.h.
11259 (shorten_compare): Use wide-int interfaces and tree_int_cst_lt.
11260 (pointer_int_sum): Use wide-int interfaces.
11261 (c_common_nodes_and_builtins): Use make_int_cst.
11262 (match_case_to_enum_1): Use tree_fits_uhwi_p and tree_fits_shwi_p.
11263 (handle_alloc_size_attribute): Use wide-int interfaces.
11264 (get_nonnull_operand): Likewise.
11265 * c-format.c (get_constant): Use tree_fits_uhwi_p.
11266 * c-lex.c: Include wide-int.h.
11267 (narrowest_unsigned_type): Take a widest_int rather than two
11268 HOST_WIDE_INTs.
11269 (narrowest_signed_type): Likewise.
11270 (interpret_integer): Update accordingly. Use wide-int interfaces.
11271 (lex_charconst): Use wide-int interfaces.
11272 * c-pretty-print.c: Include wide-int.h.
11273 (pp_c_integer_constant): Use wide-int interfaces.
11274 * cilk.c (declare_one_free_variable): Use tree_int_cst_lt instead of
11275 INT_CST_LT_UNSIGNED.
11276
b15458be
RB		 112772014-05-06 Richard Biener <rguenther@suse.de>
11278
11279 * c-opts.c (c_common_post_options): For -freestanding,
11280 -fno-hosted and -fno-builtin disable pattern recognition
11281 if not enabled explicitely.
11282
6577374e
MP		 112832014-05-02 Marek Polacek <polacek@redhat.com>
11284
11285 * c.opt (Wsizeof-pointer-memaccess): Describe option.
11286
d00887e8
MP		 112872014-05-01 Marek Polacek <polacek@redhat.com>
11288
11289 PR c/43245
11290 * c.opt (Wdiscarded-qualifiers): Add.
11291
f8ed5150
MP		 112922014-04-30 Marek Polacek <polacek@redhat.com>
11293
11294 * c-ubsan.c (ubsan_instrument_division): Handle REAL_TYPEs. Perform
11295 INT_MIN / -1 sanitization only for integer types.
11296
45484dcf
MP		 112972014-04-25 Marek Polacek <polacek@redhat.com>
11298
11299 PR c/18079
11300 * c-common.c (handle_noinline_attribute): Warn if the attribute
11301 conflicts with always_inline attribute.
11302 (handle_always_inline_attribute): Warn if the attribute conflicts
11303 with noinline attribute.
11304
38e514c0
MP		 113052014-04-25 Marek Polacek <polacek@redhat.com>
11306
11307 PR c/60156
11308 * c-common.c (check_main_parameter_types): Warn about variadic main.
11309
44875f92
MS		 113102014-04-24 Mike Stump <mikestump@comcast.net>
11311
11312 * c.opt (Wshadow-ivar): Default to on.
11313
dcaaa5a0
DP		 113142014-04-24 Dimitris Papavasiliou <dpapavas@gmail.com>
11315
11316 * c.opt (Wshadow-ivar, flocal-ivars, fivar-visibility): Add.
11317
c07d7c02
MP		 113182014-04-23 Marek Polacek <polacek@redhat.com>
11319
11320 * c-common.c (handle_tm_wrap_attribute): Tweak error message.
11321
1c33c9b7
JJ		 113222014-04-22 Jakub Jelinek <jakub@redhat.com>
11323
11324 PR sanitizer/60275
11325 * c-ubsan.c (ubsan_instrument_return): Return __builtin_trap ()
11326 if flag_sanitize_undefined_trap_on_error.
11327 (ubsan_instrument_division, ubsan_instrument_shift,
11328 ubsan_instrument_vla): Likewise. Use __ubsan_handle_*_abort ()
11329 if !flag_sanitize_recover.
11330
793c625f
MG		 113312014-04-22 Marc Glisse <marc.glisse@inria.fr>
11332
11333 PR libstdc++/43622
11334 * c-common.c (registered_builtin_types): Make non-static.
11335 * c-common.h (registered_builtin_types): Declare.
11336
b0f1bf36 113372014-04-14 Richard Biener <rguenther@suse.de>
ab20d992 11338 Marc Glisse <marc.glisse@inria.fr>
b0f1bf36
RB		 11339
11340 PR c/60819
11341 * c-common.c (convert_vector_to_pointer_for_subscript): Properly
11342 apply may-alias the scalar pointer type when applicable.
11343
3b07fa4a
IZ		 113442014-04-12 Igor Zamyatin <igor.zamyatin@intel.com>
11345
11346 PR middle-end/60467
11347 * cilk.c (cilk_set_spawn_marker): Remove FUNCTION_DECL
11348 as possible argument for Cilk_spawn.
11349
cbbd2b1c
TB		 113502014-04-11 Tobias Burnus <burnus@net-b.de>
11351
11352 PR c/60194
11353 * c.opt (Wformat-signedness): Add
11354 * c-format.c(check_format_types): Use it.
11355
6415bd5d
JM		 113562014-04-11 Jason Merrill <jason@redhat.com>
11357
11358 PR c++/57926
11359 * c-common.c (sync_resolve_size, get_atomic_generic_size): Call
11360 default_conversion for an array argument.
11361
6525783a
MP		 113622014-04-08 Marek Polacek <polacek@redhat.com>
11363
11364 PR sanitizer/60745
11365 * c-ubsan.c: Include asan.h.
11366 (ubsan_instrument_return): Call initialize_sanitizer_builtins.
11367
880a467b
NS		 113682014-04-03 Nathan Sidwell <nathan@codesourcery.com>
11369
11370 * c.opt (Wnon-virtual-dtor): Auto set when Weffc++.
11371
7b59ff2d
MP		 113722014-04-02 Marek Polacek <polacek@redhat.com>
11373
11374 * c-common.h (c_expand_expr): Remove declaration.
11375
8edbfaa6
JJ		 113762014-03-28 Jakub Jelinek <jakub@redhat.com>
11377
11378 PR c++/60689
11379 * c-common.c (add_atomic_size_parameter): When creating new
11380 params vector, push the size argument first.
11381
07d72e1d
JJ		 113822014-03-26 Jakub Jelinek <jakub@redhat.com>
11383
11384 * c-ubsan.c (ubsan_instrument_division, ubsan_instrument_shift,
11385 ubsan_instrument_vla, ubsan_instrument_return): Adjust
11386 ubsan_create_data callers.
11387
b35e0fa0
JJ		 113882014-03-22 Jakub Jelinek <jakub@redhat.com>
11389
11390 PR debug/60603
11391 * c-opts.c (c_finish_options): Restore cb_file_change call to
11392 <built-in>.
11393
39a1ebb3
JJ		 113942014-03-13 Jakub Jelinek <jakub@redhat.com>
11395
11396 PR middle-end/36282
11397 * c-pragma.c (apply_pragma_weak): Only look at
11398 TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl)) if
11399 DECL_ASSEMBLER_NAME_SET_P (decl).
11400 (maybe_apply_pending_pragma_weaks): Exit early if
11401 vec_safe_is_empty (pending_weaks) rather than only when
11402 !pending_weaks.
11403 (maybe_apply_pragma_weak): Likewise. If !DECL_ASSEMBLER_NAME_SET_P,
11404 set assembler name back to NULL afterwards.
11405
a07f6ed2
JM		 114062014-03-11 Jason Merrill <jason@redhat.com>
11407
11408 * c.opt: Add -std=gnu++14.
11409
75b107f5
IB		 114102014-03-11 Ian Bolton <ian.bolton@arm.com>
11411
11412 * c-opts.c (c_common_post_options): Don't override
11413 -ffp-contract=fast if unsafe-math-optimizations is on.
11414
f42c637e
PM		 114152014-03-08 Paulo Matos <paulo@matos-sorge.com>
11416
22b15758 11417 * c.opt: Enable LTO FE for fshort-double.
f42c637e 11418
70e24808
JM		 114192014-03-07 Jason Merrill <jason@redhat.com>
11420
11421 * c.opt: Add -std=c++14.
11422
3af9c5e9
MP		 114232014-03-06 Marek Polacek <polacek@redhat.com>
11424
11425 PR c/60197
11426 * cilk.c (contains_cilk_spawn_stmt): New function.
11427 (contains_cilk_spawn_stmt_walker): Likewise.
11428 (recognize_spawn): Give error on invalid use of _Cilk_spawn.
11429 * c-common.h (contains_cilk_spawn_stmt): Add declaration.
11430
b3bdf019
JJ		 114312014-03-03 Jakub Jelinek <jakub@redhat.com>
11432
11433 * c-pragma.c (c_pp_lookup_pragma): Handle PRAGMA_CILK_SIMD.
11434 (init_pragma): Call cpp_register_deferred_pragma for PRAGMA_CILK_SIMD
11435 even when flag_preprocess_only.
11436
ca7e759d
JM		 114372014-02-26 Jason Merrill <jason@redhat.com>
11438
11439 PR c++/59231
11440 PR c++/11586
11441 * c-common.c (shorten_compare): Don't check
11442 c_inhibit_evaluation_warnings.
11443
28e41874
JJ		 114442014-02-19 Jakub Jelinek <jakub@redhat.com>
11445
cca615af
JJ		 11446 PR c/37743
11447 * c-common.c (c_common_nodes_and_builtins): When initializing
11448 c_uint{16,32,64}_type_node, also set corresponding
11449 uint{16,32,64}_type_node to the same value.
11450
28e41874
JJ		 11451 PR c++/60267
11452 * c-pragma.c (init_pragma): Don't call cpp_register_deferred_pragma
11453 for PRAGMA_IVDEP if flag_preprocess_only.
11454
c2bf53a1
JJ		 114552014-02-12 Jakub Jelinek <jakub@redhat.com>
11456
11457 PR c/60101
11458 * c-common.c (merge_tlist): If copy is true, call new_tlist,
11459 if false, add ADD itself, rather than vice versa.
11460 (verify_tree): For COND_EXPR, don't call merge_tlist with non-zero
11461 copy. For SAVE_EXPR, only call merge_tlist once.
11462
8fcbce72
JJ		 114632014-02-08 Jakub Jelinek <jakub@redhat.com>
11464
11465 PR middle-end/60092
11466 * c-common.c (handle_alloc_size_attribute): Use tree_fits_uhwi_p
11467 and tree_to_uhwi.
11468 (handle_alloc_align_attribute, handle_assume_aligned_attribute): New
11469 functions.
11470 (c_common_attribute_table): Add alloc_align and assume_aligned
11471 attributes.
11472
0a756a3f
MP		 114732014-02-06 Marek Polacek <polacek@redhat.com>
11474
11475 PR c/60087
11476 * c-common.c (warn_for_sign_compare): Call warning_at with location
11477 instead of warning.
11478
7ec4847a
MP		 114792014-02-05 Marek Polacek <polacek@redhat.com>
11480
11481 PR c/53123
11482 * c-omp.c (c_finish_omp_atomic): Remove unreachable return
11483 statement.
11484
66f20604
MP		 114852014-02-04 Marek Polacek <polacek@redhat.com>
11486
11487 PR c/60036
11488 * c-common.c (conversion_warning): Unwrap C_MAYBE_CONST_EXPR and/or
11489 SAVE_EXPR.
11490
5d77fb19
MG		 114912014-02-03 Marc Glisse <marc.glisse@inria.fr>
11492
11493 PR c++/53017
11494 PR c++/59211
11495 * c-common.c (handle_aligned_attribute, handle_alloc_size_attribute,
11496 handle_vector_size_attribute, handle_nonnull_attribute): Call
11497 default_conversion on the attribute argument.
11498 (handle_nonnull_attribute): Increment the argument number.
11499
81e5eca8
MP		 115002014-01-31 Marek Polacek <polacek@redhat.com>
11501
11502 PR c/59963
11503 * c-common.c (add_atomic_size_parameter): Pass vNULL to
11504 build_function_call_vec.
11505 (resolve_overloaded_builtin): Likewise.
11506 * c-common.h (build_function_call_vec): Adjust declaration.
11507
68fca595
MP		 115082014-01-30 Marek Polacek <polacek@redhat.com>
11509
11510 PR c/59940
11511 * c-common.h (unsafe_conversion_p): Adjust declaration.
11512 (warnings_for_convert_and_check): Likewise.
11513 (convert_and_check): Likewise.
11514 * c-common.c (unsafe_conversion_p): Add location parameter. Call
11515 expansion_point_location_if_in_system_header on it.
11516 (warnings_for_convert_and_check): Add location parameter. Call
11517 expansion_point_location_if_in_system_header on it. Use it.
11518 (convert_and_check): Add location parameter. Use it.
11519 (conversion_warning): Likewise.
11520 (c_add_case_label): Adjust convert_and_check calls.
11521 (scalar_to_vector): Adjust unsafe_conversion_p calls.
11522
b72271b9
BI		 115232014-01-24 Balaji V. Iyer <balaji.v.iyer@intel.com>
11524
11525 * c-common.c (c_define_builtins): Replaced flag_enable_cilkplus with
11526 flag_cilkplus.
11527 * c-pragma.c (init_pragma): Likewise.
11528 * c.opt: Likewise.
11529
393e8e8b
MP		 115302014-01-23 Marek Polacek <polacek@redhat.com>
11531
11532 PR c/59846
11533 * c-common.c (shorten_compare): Add location_t parameter.
11534 * c-common.h (shorten_binary_op): Adjust declaration.
11535
f04dda30
MP		 115362014-01-23 Marek Polacek <polacek@redhat.com>
11537
11538 PR c/58346
11539 * c-common.c (pointer_to_zero_sized_aggr_p): New function.
11540 * c-common.h: Declare it.
11541
621955cb
EB		 115422014-01-20 Eric Botcazou <ebotcazou@adacore.com>
11543
11544 * c-ada-spec.h (dump_ada_specs): Revert prototype change.
11545 * c-ada-spec.c (dump_ads): Likewise.
11546 (cpp_check): Likewise.
11547 (dump_ada_specs): Likewise.
11548
115492014-01-15 Laurent Alfonsi <laurent.alfonsi@st.com>
67bf2939
LA		 11550
11551 PR c++/49718
11552 * c-common.c (handle_no_instrument_function_attribute): Allow
11553 no_instrument_function attribute in class member
11554 definition/declaration.
11555
241f845a
JJ		 115562014-01-15 Jakub Jelinek <jakub@redhat.com>
11557
11558 PR c/58943
11559 * c-omp.c (c_finish_omp_atomic): Set in_late_binary_op around
11560 build_modify_expr with non-NOP_EXPR opcode. Handle return from it
11561 being COMPOUND_EXPR.
11562 (c_finish_omp_for): Handle incr being COMPOUND_EXPR with first
11563 operand a SAVE_EXPR and second MODIFY_EXPR.
11564
e83b8e2e
JJ		 115652014-01-09 Jakub Jelinek <jakub@redhat.com>
11566
11567 PR target/58115
11568 * c-pch.c (c_common_write_pch): Call
11569 prepare_target_option_nodes_for_pch.
11570
23a5b65a
RS		 115712014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
11572
11573 Update copyright years
11574
f9030485
RS		 115752014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
11576
11577 * array-notation-common.c, c-cilkplus.c: Use the standard form for
11578 the copyright notice.
11579
f2aa696b
EB		 115802013-12-28 Eric Botcazou <ebotcazou@adacore.com>
11581
11582 * c-ada-spec.c (print_constructor): New function.
11583 (print_destructor): Retrieve the origin of the destructor.
11584 (print_ada_declaration): Revamp handling of constructors/destructors.
11585
3f8257db 115862013-12-23 Stuart Hastings <stuart@apple.com>
1f26ac87
JM		 11587 Bill Maddox <maddox@google.com>
11588 Jason Merrill <jason@redhat.com>
11589
11590 * c.opt: Add -fdeclone-ctor-dtor.
11591 * c-opts.c (c_common_post_options): Default to on iff -Os.
11592
41958c28
BI		 115932013-12-18 Balaji V. Iyer <balaji.v.iyer@intel.com>
11594
11595 * c-common.c (c_common_attribute_table): Added "cilk simd function"
11596 attribute.
11597 * c-pragma.h (enum pragma_cilk_clause): Remove.
ab20d992 11598 (enum pragma_omp_clause): Added the following fields:
41958c28
BI		 11599 PRAGMA_CILK_CLAUSE_NOMASK, PRAGMA_CILK_CLAUSE_MASK,
11600 PRAGMA_CILK_CLAUSE_VECTORLENGTH, PRAGMA_CILK_CLAUSE_NONE,
11601 PRAGMA_CILK_CLAUSE_LINEAR, PRAGMA_CILK_CLAUSE_PRIVATE,
11602 PRAGMA_CILK_CLAUSE_FIRSTPRIVATE, PRAGMA_CILK_CLAUSE_LASTPRIVATE,
11603 PRAGMA_CILK_CLAUSE_UNIFORM.
11604
b1726d6c 11605
12893402
BI		 116062013-12-11 Balaji V. Iyer <balaji.v.iyer@intel.com>
11607
11608 * cilk.c (cilk_outline): Made this function non-static.
11609 (gimplify_cilk_spawn): Removed pre_p and post_p arguments.
11610 (create_cilk_wrapper): Added a new parameter: a function pointer.
11611 (c_install_body_w_frame_cleanup): Remove
11612 (extract_free_variables): Added VEC_INIT_EXPR and CONSTRUCTOR case.
11613 * c-common.h (cilk_outline): New prototype.
11614 (gimplify_cilk_spawn): Removed two parameters.
11615 (cilk_install_body_with_frame_cleanup): New prototype.
11616 * c-gimplify.c (c_gimplify_expr): Added MODIFY_EXPR, CALL_EXPR and
11617 CILK_SPAWN_STMT case.
11618
085b42ed
BS		 116192013-12-11 Bernd Schmidt <bernds@codesourcery.com>
11620
2ce064c3
BS		 11621 * c-common.c (c_fully_fold_internal): Handle ADDR_SPACE_CONVERT_EXPR.
11622
085b42ed
BS		 11623 * c-common.h (enum c_tree_index): Remove CTI_INT_ARRAY_TYPE.
11624 (int_array_type_node): Remove.
11625 * c-common.c (c_common_nodes_and_builtins): Don't build it.
11626
9e36c9ed
MP		 116272013-12-05 Marek Polacek <polacek@redhat.com>
11628
11629 PR c/52023
11630 * c-common.c (c_sizeof_or_alignof_type): Move a declaration into
11631 [ADJUST_FIELD_ALIGN].
11632
296674db
JM		 116332013-12-04 Joseph Myers <joseph@codesourcery.com>
11634
11635 PR c/52023
11636 * c-common.c (c_sizeof_or_alignof_type): Add parameter min_alignof
11637 and check field alignment if set.
11638 * c-common.h (c_sizeof_or_alignof_type): Update prototype.
11639 (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
11640
b1726d6c 116412013-12-04 Jakub Jelinek <jakub@redhat.com>
31e071ae
MP		 11642 Marek Polacek <polacek@redhat.com>
11643
11644 * c-gimplify.c (c_gimplify_expr): If doing the integer-overflow
11645 sanitization, call unsigned_type_for only when !TYPE_OVERFLOW_WRAPS.
11646
d7947e19
L		 116472013-11-29 H.J. Lu <hongjiu.lu@intel.com>
11648
11649 PR c/59309
11650 * cilk.c (gimplify_cilk_spawn): Properly handle function without
11651 arguments.
11652
fad7652e
JJ		 116532013-11-29 Jakub Jelinek <jakub@redhat.com>
11654
11655 PR c/59280
11656 * c-common.c (get_priority): If TREE_VALUE (args) is IDENTIFIER_NODE,
11657 goto invalid. If it is error_mark_node, don't issue further
11658 diagnostics.
11659
8b5e1202
SO		 116602013-11-28 Sergey Ostanevich <sergos.gnu@gmail.com>
11661
11662 * c.opt (Wopenmp-simd): New.
11663
0a508bb6
JJ		 116642013-11-22 Jakub Jelinek <jakub@redhat.com>
11665
11666 * c-ubsan.h (ubsan_instrument_return): New prototype.
11667 * c-ubsan.c (ubsan_instrument_return): New function.
11668
2fb9a547
AM		 116692013-11-22 Andrew MacLeod <amacleod@redhat.com>
11670
11671 * c-common.c: Add required include files from gimple.h.
ab20d992
JJ		 11672 * c-gimplify.c: Likewise.
11673 * cilk.c: Likewise.
2fb9a547 11674
8400e75e
DM		 116752013-11-22 David Malcolm <dmalcolm@redhat.com>
11676
11677 * c-common.c (unsafe_conversion_p): Remove use of
11678 EXPR_LOC_OR_HERE macro.
11679 (conversion_warning): Likewise.
11680 (warnings_for_convert_and_check): Likewise.
11681 (warn_for_collisions_1): Likewise.
11682 (shorten_compare): Likewise, and remove use of in_system_header
11683 macro, using the location from the former.
11684 * c-lex.c (dump_one_header): Remove use of input_filename macro.
11685 (cb_def_pragma): Remove use of in_system_header macro.
11686 (lex_string): Likewise.
11687 * c-pragma.c (handle_pragma_float_const_decimal64): Likewise.
11688
eb1ce453
KZ		 116892013-11-20 Kenneth Zadeck <zadeck@naturalbridge.com>
11690 Mike Stump <mikestump@comcast.net>
11691 Richard Sandiford <rdsandiford@googlemail.com>
11692
11693 * c-ada-spec.c (is_simple_enum): Use tree_to_shwi and tree_to_uhwi
11694 instead of TREE_INT_CST_LOW, in cases where there is a protecting
11695 tree_fits_shwi_p or tree_fits_uhwi_p.
11696 (dump_generic_ada_node): Likewise.
11697 * c-format.c (check_format_arg): Likewise.
11698 * c-pretty-print.c (pp_c_integer_constant): Likewise.
11699
6b3b8c27
KZ		 117002013-11-20 Kenneth Zadeck <zadeck@naturalbridge.com>
11701
11702 * c-common.c (check_function_arguments_recurse): Use tree_to_uhwi.
11703
49b0aa18
JC		 117042013-11-19 Joshua J Cogliati <jrincayc@yahoo.com>
11705
11706 PR c/53001
11707 * c-common.c (unsafe_conversion_p): Make this function
11708 return an enumeration with more detail.
11709 (conversion_warning): Use the new return type of
11710 unsafe_conversion_p to separately warn either about conversions
11711 that lower floating point number precision or about the other
11712 kinds of conversions.
11713 * c-common.h (enum conversion_safety): New enumeration.
8e745a17
JJ		 11714 (unsafe_conversion_p): switching return type to
11715 conversion_safety enumeration.
49b0aa18
JC		 11716 * c.opt: Adding new warning -Wfloat-conversion and
11717 enabling it with -Wconversion.
11718
b826515a
BS		 117192013-11-19 Basile Starynkevitch <basile@starynkevitch.net>
11720
8e745a17
JJ		 11721 * c-opts.c: Include plugin.h.
11722 (cb_file_change): Invoke plugin event PLUGIN_INCLUDE_FILE.
b826515a 11723
b9a55b13
MP		 117242013-11-19 Marek Polacek <polacek@redhat.com>
11725
11726 * c-ubsan.c (ubsan_instrument_division): Adjust ubsan_create_data
11727 call.
11728 (ubsan_instrument_shift): Likewise.
11729 (ubsan_instrument_vla): Likewise.
11730
7d362f6c
RS		 117312013-11-18 Richard Sandiford <rdsandiford@googlemail.com>
11732
11733 * c-common.c (convert_vector_to_pointer_for_subscript): Remove
11734 cast to unsigned type.
11735
386b1f1f
RS		 117362013-11-18 Richard Sandiford <rdsandiford@googlemail.com>
11737
11738 * c-common.c (fold_offsetof_1): Use tree_to_uhwi rather than
11739 tree_low_cst.
11740 (complete_array_type): Update comment to refer to tree_to_[su]hwi
11741 rather than tree_low_cst.
11742
ae7e9ddd
RS		 117432013-11-18 Richard Sandiford <rdsandiford@googlemail.com>
11744
11745 * c-common.c, c-cppbuiltin.c: Replace tree_low_cst (..., 1) with
11746 tree_to_uhwi throughout.
11747
9439e9a1
RS		 117482013-11-18 Richard Sandiford <rdsandiford@googlemail.com>
11749
11750 * c-common.c, c-format.c, c-omp.c, c-pretty-print.c: Replace
11751 tree_low_cst (..., 0) with tree_to_shwi throughout.
11752
cc269bb6
RS		 117532013-11-18 Richard Sandiford <rdsandiford@googlemail.com>
11754
11755 * c-ada-spec.c, c-common.c, c-pretty-print.c: Replace
11756 host_integerp (..., 1) with tree_fits_uhwi_p throughout.
11757
9541ffee
RS		 117582013-11-18 Richard Sandiford <rdsandiford@googlemail.com>
11759
11760 * c-ada-spec.c, c-common.c, c-format.c, c-pretty-print.c: Replace
11761 host_integerp (..., 0) with tree_fits_shwi_p throughout.
11762
c02065fc
AH		 117632013-11-15 Aldy Hernandez <aldyh@redhat.com>
11764
11765 * c-cilkplus.c: New file.
11766 * c-common.c (readonly_error): Add location argument.
11767 * c-common.h (readonly_error): Same.
11768 (c_finish_cilk_clauses): Protoize.
11769 (c_check_cilk_loop): Same.
11770 c-omp.c (c_finish_omp_for): Handle CILK_SIMD nodes.
11771 Do not fail on error_mark_node.
11772 Abstract increment canonicalization to here...
11773 (c_omp_for_incr_canonicalize_ptr): New.
11774 c-pragma.c (init_pragma): Register "simd" pragma.
11775 c-pragma.h (enum pragma_kind): Add PRAGMA_CILK_SIMD.
11776 (enum pragma_cilk_clause): New.
11777
9cc65f15
RS		 117782013-11-15 Richard Sandiford <rdsandiford@googlemail.com>
11779
11780 * c-pretty-print.c (pp_c_character_constant): Remove unnecessary
11781 wchar_type and host_integerp checks.
11782
18f429e2
AM		 117832013-11-14 Andrew MacLeod <amacleod@redhat.com>
11784
11785 * c-common.c: Likewise.
11786 * c-gimplify.c: Likewise.
11787 * cilk.c: Likewise.
11788
d8a2d370
DN		 117892013-11-14 Diego Novillo <dnovillo@google.com>
11790
11791 * c-common.c: Include fold-const.h.
11792 Include stor-layout.h.
11793 Include calls.h.
11794 Include stringpool.h.
11795 Include attribs.h.
11796 Include varasm.h.
11797 Include trans-mem.h.
11798 * c-cppbuiltin.c: Include stor-layout.h.
11799 Include stringpool.h.
11800 * c-format.c: Include stringpool.h.
11801 * c-lex.c: Include stringpool.h.
11802 Include stor-layout.h.
11803 * c-pragma.c: Include stringpool.h.
11804 Include attribs.h.
11805 Include varasm.h.
11806 Include gcc-symtab.h.
11807 * c-pretty-print.c: Include stor-layout.h.
11808 Include attribs.h.
11809 * cilk.c: Include stringpool.h.
11810 Include calls.h.
11811
38b7bc7f
JM		 118122013-11-13 Joseph Myers <joseph@codesourcery.com>
11813
11814 * c-common.h (enum rid): Add RID_AUTO_TYPE.
11815 * c-common.c (c_common_reswords): Add __auto_type.
11816 (keyword_begins_type_specifier): Handle RID_AUTO_TYPE.
11817
45b0be94
AM		 118182013-11-12 Andrew MacLeod <amacleod@redhat.com>
11819
18f429e2
AM		 11820 * c-common.c: Include gimplify.h.
11821 * c-gimplify.c: Likewise.
11822 * cilk.c: Likewise.
11823 * c-omp.c: Include gimple-expr.h instead of gimple.h.
11824 * c-ubsan.c: Don't include gimple.h.
45b0be94 11825
582d9b50
JM		 118262013-11-12 Joseph Myers <joseph@codesourcery.com>
11827
11828 * c-common.c (c_common_reswords): Add _Thread_local.
11829
6b28e197
JM		 118302013-11-09 Joseph Myers <joseph@codesourcery.com>
11831
11832 * c-common.c (atomic_size_supported_p): New function.
11833 (resolve_overloaded_atomic_exchange)
11834 (resolve_overloaded_atomic_compare_exchange)
11835 (resolve_overloaded_atomic_load, resolve_overloaded_atomic_store):
11836 Use it instead of comparing size with a local list of sizes.
11837
267bac10
JM		 118382013-11-07 Andrew MacLeod <amacleod@redhat.com>
11839 Joseph Myers <joseph@codesourcery.com>
11840
11841 * c-common.h (enum rid): Add RID_ATOMIC.
11842 * c-common.c (c_common_reswords): Add _Atomic.
11843 (sync_resolve_params): Use TYPE_MAIN_VARIANT on pointer argument.
11844 (keyword_is_type_qualifier): Accept RID_ATOMIC.
11845 * c-format.c (check_format_types): Check for extra _Atomic
11846 qualifiers in format argument.
11847 * c-pretty-print.c (pp_c_cv_qualifiers): Handle atomic qualifier.
11848 (pp_c_type_qualifier_list): Mention _Atomic in comment.
11849
5157b91e
TB		 118502013-11-06 Tobias Burnus <burnus@net-b.de>
11851
11852 * c-common.c (reason_option_codes_t): Add CPP_W_DATE_TIME.
11853
6dbe0958
JM		 118542013-11-06 Joseph Myers <joseph@codesourcery.com>
11855
11856 * c-opts.c (c_common_post_options): Set -ffp-contract=off in C
11857 standards modes.
11858 * c-cppbuiltin.c (cpp_iec_559_value): Consider -ffp-contract=fast
11859 to mean lack of IEEE 754 support.
11860
e8ff5196
TB		 118612013-11-05 Tobias Burnus <burnus@net-b.de>
11862
11863 * c.opt (-Wdate-time): New option
11864 * c-opts.c (sanitize_cpp_opts): Pass on to libcpp.
11865
254a0760
JM		 118662013-11-05 Joseph Myers <joseph@codesourcery.com>
11867
11868 * c-cppbuiltin.c (cpp_iec_559_value): Test
11869 flag_excess_precision_cmdline not flag_excess_precision.
11870
6d7f7e0a
TB		 118712013-11-05 Tobias Burnus <burnus@net-b.de>
11872
11873 * c.opt (fopenmp-simd): New option.
11874 * c-pragma.c (omp_pragmas): Move pragmas which can contain simd to ...
11875 (omp_pragmas): ... this new struct.
11876 (c_pp_lookup_pragma): Also walk omp_pragmas.
11877 (init_pragma): Init pragmas for -fopenmp-simd.
11878
55a7f02f
MP		 118792013-11-04 Marek Polacek <polacek@redhat.com>
11880
11881 PR c++/58979
11882 * c-common.c (invalid_indirection_error): Handle RO_ARROW_STAR case.
11883
9193fb05
JM		 118842013-11-04 Joseph Myers <joseph@codesourcery.com>
11885
11886 * c-cppbuiltin.c (cpp_iec_559_value, cpp_iec_559_complex_value):
11887 New functions.
11888 (c_cpp_builtins): Define __GCC_IEC_559 and __GCC_IEC_559_COMPLEX.
11889
94159ecf
EB		 118902013-11-04 Eric Botcazou <ebotcazou@adacore.com>
11891
11892 * c-ada-spec.h (cpp_operation): Add IS_TRIVIAL.
11893 (dump_ada_specs): Adjust prototype of second callback.
11894 * c-ada-spec.c (cpp_check): New global variable.
11895 (dump_ada_nodes): Remove cpp_check parameter and do not pass it down.
11896 (print_generic_ada_decl): Likewise.
11897 (has_static_fields): Change return type to bool and add guard.
11898 (has_nontrivial_methods): New predicate.
11899 (is_tagged_type): Change return type to bool.
11900 (separate_class_package): Call has_nontrivial_methods.
11901 (pp_ada_tree_identifier): Minor tweaks.
11902 (dump_ada_function_declaration): Adjust calls to dump_generic_ada_node.
11903 (dump_ada_array_domains): Likewise.
11904 (dump_ada_array_type): Likewise.
11905 (dump_template_types): Remove cpp_check parameter and do not pass it to
11906 dump_generic_ada_node.
11907 (dump_ada_template): Likewise.
11908 (dump_generic_ada_node): Remove cpp_check parameter and do not pass it
11909 recursively.
11910 (print_ada_methods): Change return type to integer. Remove cpp_check
11911 parameter and do not pass it down.
11912 (dump_nested_types): Remove cpp_check parameter and do not pass it to
11913 dump_generic_ada_node.
11914 (print_ada_declaration): Likewise. Test RECORD_OR_UNION_TYPE_P before
11915 accessing methods.
11916 (print_ada_struct_decl): Remove cpp_check parameter and do not pass it
11917 down. Use has_nontrivial_methods to recognize C++ classes. Use return
11918 value of print_ada_methods.
11919 (dump_ads): Rename cpp_check parameter to check and adjust prototype.
11920 Set cpp_check to it before invoking dump_ada_nodes.
11921 (dump_ada_specs): Likewise.
11922
b906f4ca
MP		 119232013-11-03 Marek Polacek <polacek@redhat.com>
11924
11925 * c-ubsan.c: Don't include hash-table.h.
11926 (ubsan_instrument_vla): New function.
11927 * c-ubsan.h: Declare it.
11928
5e20cdc9
DM		 119292013-10-31 David Malcolm <dmalcolm@redhat.com>
11930
11931 Automated part of renaming of symtab_node_base to symtab_node.
11932
11933 Patch autogenerated by rename_symtab.py from
11934 https://github.com/davidmalcolm/gcc-refactoring-scripts
11935 revision 58bb219cc090b2f4516a9297d868c245495ee622
11936
11937 * c-pragma.c (maybe_apply_pending_pragma_weaks): Rename
11938 symtab_node_base to symtab_node.
11939
7057e645
ESR		 119402013-10-31 Edward Smith-Rowland <3dw4rd@verizon.net>
11941
8e745a17 11942 Implement C++14 digit separators.
7057e645
ESR		 11943 * c-lex.c (interpret_float): Remove digit separators from scratch string
11944 before building real literal.
11945
193ea7bc
JJ		 119462013-10-30 Jakub Jelinek <jakub@redhat.com>
11947
11948 * cilk.c (create_cilk_helper_decl): Use HOST_WIDE_INT_PRINT_DEC.
11949
939b37da
BI		 119502013-10-29 Balaji V. Iyer <balaji.v.iyer@intel.com>
11951
11952 * c-common.c (c_common_reswords[]): Added _Cilk_spawn and _Cilk_sync
11953 fields.
11954 (c_define_builtins): Called cilk_init_builtins if Cilk Plus is
11955 enabled.
11956 * c-common.h (enum rid): Added RID_CILK_SPAWN and RID_CILK_SYNC.
11957 (insert_cilk_frame): New prototype.
11958 (cilk_init_builtins): Likewise.
11959 (gimplify_cilk_spawn): Likewise.
11960 (c_cilk_install_body_w_frame_cleanup): Likewise.
11961 (cilk_detect_spawn_and_unwrap): Likewise.
11962 (cilk_set_spawn_marker): Likewise.
11963 (build_cilk_sync): Likewise.
11964 (build_cilk_spawn): Likewise.
11965 * cilk.c: New file.
11966
67348ccc
DM		 119672013-10-29 David Malcolm <dmalcolm@redhat.com>
11968
11969 Patch autogenerated by refactor_symtab.py from
11970 https://github.com/davidmalcolm/gcc-refactoring-scripts
11971 revision 58bb219cc090b2f4516a9297d868c245495ee622
11972
11973 * c-gimplify.c (c_genericize): Update for conversion of symtab types
11974 to a true class hierarchy.
11975 * c-pragma.c (maybe_apply_pending_pragma_weaks): Likewise.
11976
d570872d
RS		 119772013-10-27 Richard Sandiford <rdsandiford@googlemail.com>
11978
11979 * c-lex.c (interpret_integer): Remove call to cpp_num_sign_extend.
11980
98906124
JL		 119812013-10-26 Jeff Law <law@redhat.com>
11982
adfac8df
JJ		 11983 * c-common.c (c_define_builtins): Remove mudflap support.
11984 * c.opt: Ignore and warn for mudflap options.
98906124 11985
d73749df 119862013-10-24 Tobias Burnus <burnus@net-b.de>
8170608b
TB		 11987
11988 PR other/33426
11989 * c-pragma.c (init_pragma) Add #pragma ivdep handling.
11990 * c-pragma.h (pragma_kind): Add PRAGMA_IVDEP.
11991
3f04b1bb
JM		 119922013-10-23 Jason Merrill <jason@redhat.com>
11993
11994 * c-format.c (gcc_cxxdiag_char_table): Add %X.
11995
acf0174b
JJ		 119962013-10-11 Jakub Jelinek <jakub@redhat.com>
11997
acd15a28
JJ		 11998 * c-common.h (omp_clause_mask::operator !=): New method.
11999 * c-omp.c (c_omp_split_clauses): Use if ((mask & something) != 0)
12000 instead of if (mask & something) tests everywhere.
12001
acf0174b
JJ		 12002 * c-cppbuiltin.c (c_cpp_builtins): Predefine _OPENMP to
12003 201307 instead of 201107.
12004 * c-common.c (DEF_FUNCTION_TYPE_8): Define.
12005 (c_common_attribute_table): Add "omp declare target" and
12006 "omp declare simd" attributes.
12007 (handle_omp_declare_target_attribute,
12008 handle_omp_declare_simd_attribute): New functions.
12009 * c-omp.c: Include c-pragma.h.
12010 (c_finish_omp_taskgroup): New function.
12011 (c_finish_omp_atomic): Add swapped argument, if true,
12012 build the operation first with rhs, lhs arguments and use NOP_EXPR
12013 build_modify_expr.
12014 (c_finish_omp_for): Add code argument, pass it down to make_code.
12015 (c_omp_split_clauses): New function.
12016 (c_split_parallel_clauses): Removed.
12017 (c_omp_declare_simd_clause_cmp, c_omp_declare_simd_clauses_to_numbers,
12018 c_omp_declare_simd_clauses_to_decls): New functions.
12019 * c-common.h (omp_clause_mask): New type.
12020 (OMP_CLAUSE_MASK_1): Define.
12021 (omp_clause_mask::omp_clause_mask, omp_clause_mask::operator &=,
12022 omp_clause_mask::operator |=, omp_clause_mask::operator ~,
12023 omp_clause_mask::operator |, omp_clause_mask::operator &,
12024 omp_clause_mask::operator <<, omp_clause_mask::operator >>,
12025 omp_clause_mask::operator ==): New methods.
12026 (enum c_omp_clause_split): New.
12027 (c_finish_omp_taskgroup): New prototype.
12028 (c_finish_omp_atomic): Add swapped argument.
12029 (c_finish_omp_for): Add code argument.
12030 (c_omp_split_clauses): New prototype.
12031 (c_split_parallel_clauses): Removed.
12032 (c_omp_declare_simd_clauses_to_numbers,
12033 c_omp_declare_simd_clauses_to_decls): New prototypes.
12034 * c-pragma.c (omp_pragmas): Add new OpenMP 4.0 constructs.
12035 * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_CANCEL,
12036 PRAGMA_OMP_CANCELLATION_POINT, PRAGMA_OMP_DECLARE_REDUCTION,
12037 PRAGMA_OMP_DISTRIBUTE, PRAGMA_OMP_END_DECLARE_TARGET, PRAGMA_OMP_SIMD,
12038 PRAGMA_OMP_TARGET, PRAGMA_OMP_TASKGROUP and PRAGMA_OMP_TEAMS.
12039 Remove PRAGMA_OMP_PARALLEL_FOR and PRAGMA_OMP_PARALLEL_SECTIONS.
12040 (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_ALIGNED,
12041 PRAGMA_OMP_CLAUSE_DEPEND, PRAGMA_OMP_CLAUSE_DEVICE,
12042 PRAGMA_OMP_CLAUSE_DIST_SCHEDULE, PRAGMA_OMP_CLAUSE_FOR,
12043 PRAGMA_OMP_CLAUSE_FROM, PRAGMA_OMP_CLAUSE_INBRANCH,
12044 PRAGMA_OMP_CLAUSE_LINEAR, PRAGMA_OMP_CLAUSE_MAP,
12045 PRAGMA_OMP_CLAUSE_NOTINBRANCH, PRAGMA_OMP_CLAUSE_NUM_TEAMS,
12046 PRAGMA_OMP_CLAUSE_PARALLEL, PRAGMA_OMP_CLAUSE_PROC_BIND,
12047 PRAGMA_OMP_CLAUSE_SAFELEN, PRAGMA_OMP_CLAUSE_SECTIONS,
12048 PRAGMA_OMP_CLAUSE_SIMDLEN, PRAGMA_OMP_CLAUSE_TASKGROUP,
12049 PRAGMA_OMP_CLAUSE_THREAD_LIMIT, PRAGMA_OMP_CLAUSE_TO and
12050 PRAGMA_OMP_CLAUSE_UNIFORM.
12051
826cacfe
MG		 120522013-10-09 Marc Glisse <marc.glisse@inria.fr>
12053
12054 PR tree-optimization/20318
12055 * c-common.c (handle_returns_nonnull_attribute): New function.
12056 (c_common_attribute_table): Add returns_nonnull.
12057
2284b034
MG		 120582013-10-03 Marc Glisse <marc.glisse@inria.fr>
12059
12060 PR c++/19476
12061 * c.opt (fcheck-new): Move to common.opt.
12062
b56e9788
MP		 120632013-09-25 Marek Polacek <polacek@redhat.com>
12064 Jakub Jelinek <jakub@redhat.com>
12065
12066 PR sanitizer/58413
12067 * c-ubsan.c (ubsan_instrument_shift): Don't instrument
12068 an expression if we can prove it is correct.
12069 (ubsan_instrument_division): Likewise. Remove unnecessary
12070 check.
12071
ce6923c5
MP		 120722013-09-18 Marek Polacek <polacek@redhat.com>
12073
12074 PR sanitizer/58411
12075 * c-common.c (handle_no_sanitize_undefined_attribute): New function.
12076 Declare it.
12077 (struct attribute_spec c_common_att): Add no_sanitize_undefined.
12078
fb5610fb
IS		 120792013-09-14 Iain Sandoe <iain@codesourcery.com>
12080
12081 PR target/48094
12082 * c.opt (fgnu-runtime, fnext-runtime, fobjc-abi-version,
12083 fobjc-gc, freplace-objc-classes): Accept for LTO.
12084
88b0e79e
JC		 120852013-09-13 Jacek Caban <jacek@codeweavers.com>
12086
12087 * c-target.def: New hook
12088
c9b0866a
PC		 120892013-09-09 Paolo Carlini <paolo.carlini@oracle.com>
12090
12091 PR c++/43452
12092 * c.opt (Wdelete-incomplete): Add.
12093
0af94e6f
JR		 120942013-09-08 Joern Rennecke <joern.rennecke@embecosm.com>
12095
12096 * c-common.c (same_scalar_type_ignoring_signedness): Delete.
12097 (vector_types_compatible_elements_p): New function.
12098 * c-common.h: (same_scalar_type_ignoring_signedness): Delete
12099 declaration.
12100 (vector_types_compatible_elements_p): Declare.
12101
7c26172c
GDR		 121022013-09-04 Gabriel Dos Reis <gdr@integrable-solutions.net>
12103
12104 * c-pretty-print.h (c_pretty_printer::simple_type_specifier): Now
12105 a virtual member function.
12106 (pp_simple_type_specifier): Remove.
12107 (pp_c_type_specifier): Likewise.
12108 * c-pretty-print.c (c_pretty_printer::simple_type_specifier):
12109 Rename from pp_c_type_specifier. Adjust.
12110 (c_pretty_printer::c_pretty_printer): Do not assign to
12111 simple_type_specifier.
12112
20059c8b
GDR		 121132013-09-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
12114
12115 * c-pretty-print.h (c_pretty_printer::type_id): Now a virtual
12116 member function.
12117 (c_pretty_printer::storage_class_specifier): Likewise.
12118 (c_pretty_printer::initializer): Likewise.
12119 (pp_declaration): Remove.
12120 (pp_declaration_specifiers): Likewise.
12121 (pp_abstract_declarator): Likewise.
12122 (pp_declarator): Likewise.
12123 (pp_type_id): Likewise.
12124 (pp_statement): Likewise.
12125 (pp_constant): Likewise.
12126 (pp_id_expression): Likewise.
12127 (pp_primary_expression): Likewise.
12128 (pp_unary_expression): Likewise.
12129 (pp_multiplicative_expression): Likewise.
12130 (pp_conditional_expression): Likewise.
12131 (pp_assignment_expression): Likewise.
12132 (pp_expression): Likewise.
12133 (pp_c_type_id): Likewise.
12134 (pp_c_storage_class_specifier): Likewise.
12135 * c-pretty-print.c (pp_c_type_cast): Tidy.
12136 (pp_c_pointer): Likewise.
12137 (pp_c_type_specifier): Likewise.
12138 (pp_c_parameter_type_list): Likewise.
12139 (pp_c_function_definition): Likewise.
12140 (pp_c_init_declarator): Likewise.
12141 (pp_c_initializer_list): Likewise.
12142 (pp_c_constructor_elts): Likewise.
12143 (c_pretty_printer::direct_abstract_declarator): Likewise.
12144 (c_pretty_printer::declaration_specifiers): Likewise.
12145 (c_pretty_printer::primary_expression): Likewise.
12146 (c_pretty_printer::postfix_expression): Likewise.
12147 (c_pretty_printer::type_id): Rename from pp_c_type_id.
12148 (c_pretty_printer::storage_class_specifier): Rename from
12149 pp_c_storage_class_specifier.
12150 (c_pretty_printer::initializer): Rename from pp_c_initializer.
12151 (c_pretty_printer::c_pretty_printer): Do not assign to type_id,
12152 storage_class_specifier, initializer, offset_list, flags.
12153
de5a5fa1
MP		 121542013-08-30 Marek Polacek <polacek@redhat.com>
12155
12156 * c-ubsan.c: New file.
12157 * c-ubsan.h: New file.
12158
8f0e4d72
GDR		 121592013-08-30 Gabriel Dos Reis <gdr@integrable-solutions.net>
12160
12161 * c-pretty-print.h (c_pretty_printer::declaration): Now a virtual
12162 member function.
12163 (c_pretty_printer::declaration_specifiers): Likewise.
12164 (c_pretty_printer::declarator): Likewise.
12165 (c_pretty_printer::abstract_declarator): Likewise.
12166 (c_pretty_printer::direct_abstract_declarator): Likewise.
12167 (c_pretty_printer::direct_declarator): Likewise.
12168 (c_pretty_printer::function_specifier): Likewise.
12169 (pp_declaration): Adjust.
12170 (pp_declaration_specifiers): Likewise.
12171 (pp_abstract_declarator): Likewise.
12172 (pp_direct_declarator): Likewise.
12173 (pp_function_specifier): Likewise.
12174 (pp_direct_abstract_declarator): Remove as unused.
12175 (pp_c_declaration): Remove.
12176 (pp_c_declaration_specifiers): Likewise.
12177 (pp_c_declarator): Likewise.
12178 (pp_c_direct_declarator): Likewise.
12179 (pp_c_function_specifier): Likewise.
12180 (pp_c_direct_abstract_declarator): Likewise.
12181 * c-pretty-print.c (c_pretty_printer::abstract_declarator): Rename
12182 from pp_c_abstract_declarator. Adjust.
ab20d992 12183 (c_pretty_printer::direct_abstract_declarator): Rename from
8f0e4d72
GDR		 12184 pp_c_direct_abstract_declarator. Adjust.
12185 (c_pretty_printer::function_specifier): Rename from
12186 pp_c_function_specifier. Adjust.
12187 (c_pretty_printer::declaration_specifiers): Rename from
12188 pp_c_declaration_specifiers. Adjust.
12189 (c_pretty_printer::direct_declarator): Rename from
12190 pp_c_direct_declarator. Adjust.
12191 (c_pretty_printer::declarator): Rename from pp_c_declarator. Adjust.
12192 (c_pretty_printer::declaration): Rename from pp_c_declaration. Adjust.
12193 (c_pretty_printer::c_pretty_printer): Do not assign to
12194 declaration, declaration_specifiers, declarator,
12195 direct_declarator, direct_abstract_declarator, function_specifier.
12196
00d34d3a
GDR		 121972013-08-26 Gabriel Dos Reis <gdre@integrable-solutions.net>
12198
12199 * c-pretty-print.h (c_pretty_printer::unary_expression): Now a
12200 virtual member function.
12201 (c_pretty_printer::multiplicative_expression): Likewise.
12202 (c_pretty_printer::conditional_expression): Likewise.
12203 (c_pretty_printer::assignment_expression): Likewise.
12204 (c_pretty_printer::expression): Likewise.
12205 (pp_unary_expression): Adjust.
12206 (pp_multiplicative_expression): Likewise.
12207 (pp_assignment_expression): Likewise.
12208 (pp_conditional_expression): Likewise.
12209 (pp_expression): Likewise.
12210 * c-pretty-print.c (c_pretty_printer::unary_expression): Rename
12211 from pp_c_unary_expression. Adjust.
12212 (c_pretty_printer::multiplicative_expression): Rename from
12213 pp_c_multiplicative_expression. Adjust.
12214 (c_pretty_printer::conditional_expression): Rename from
12215 pp_c_conditional_expression. Adjust.
12216 (c_pretty_printer::assignment_expression): Rename from
12217 pp_c_assignment_expression. Adjust.
12218 (c_pretty_printer::expression): Rename from pp_c_expression. Adjust.
12219 (c_pretty_printer::c_pretty_printer): Do not assign to
12220 unary_expression, multiplicative_expression,
12221 conditional_expression, expression.
12222
fb22178f
GDR		 122232013-08-25 Gabriel Dos Reis <gdr@integrable-solutions.net>
12224
12225 * c-pretty-print.h (c_pretty_printer::postfix_expression): Now a
12226 virtual member function.
12227 (pp_postfix_expression): Adjust.
12228 (pp_c_postfix_expression): Remove.
12229 * c-pretty-print.c (c_pretty_printer::postfix_expression): Rename
12230 from pp_c_postfix_expression. Adjust.
12231 (c_pretty_printer::c_pretty_printer): Do not assign to
12232 postfix_expression.
12233
7ecc2600
GDR		 122342013-08-25 Gabriel Dos Reis <gdr@integrable-solutions.net>
12235
12236 * c-pretty-print.h (c_pretty_printer::primary_expression): Now a
12237 virtua member function.
12238 (pp_primary_expression): Adjust.
12239 (pp_c_primary_expression): Remove.
12240 * c-pretty-print.c (c_pretty_printer::primary_expression): Rename
12241 from pp_c_primary_expression. Adjust.
12242 (pp_c_initializer_list): Use pp_primary_expression.
12243 (c_pretty_printer::c_pretty_printer): Do not assign to
12244 primary_expression.
12245
0691175f
GDR		 122462013-08-25 Gabriel Dos Reis <gdr@integrable-solutions.net>
12247
12248 * c-pretty-print.h (c_pretty_printer::translate_string): Declare.
12249 * c-pretty-print.c (M_): Remove.
12250 (c_pretty_printer::translate_string): Define.
12251 (pp_c_type_specifier): Use it.
12252 (pp_c_primary_expression): Likewise.
12253 (pp_c_expression): Likewise.
12254
66dfe4c4
GDR		 122552013-08-24 Gabriel Dos Reis <gdr@integrable-solutions.net>
12256
12257 * c-pretty-print.h (c_pretty_printer::id_expression): Now a
12258 virtual function.
12259 (pp_c_id_expression): Remove.
12260 (pp_id_expression): Adjust.
12261 * c-pretty-print.c (c_pretty_printer::id_expression): Rename from
12262 pp_c_id_expression. Adjust.
12263 (pp_c_postfix_expression): Use pp_id_expression.
12264 (c_pretty_printer::c_pretty_printer): Do not assign to id_expression.
12265
ca43e9d5
GDR		 122662013-08-24 Gabriel Dos Reis <gdr@integrable-solutions.net>
12267
12268 * c-pretty-print.h (c_pretty_printer::constant): Now a virtual
12269 member function.
12270 (pp_constant): Adjust.
12271 (pp_c_constant): Remove.
12272 * c-pretty-print.c (c_pretty_printer::constant): Rename from
12273 pp_c_constant. Adjust.
12274 (pp_c_constant)
12275 (pp_c_primary_expression): Call pp_constant in lieu of pp_c_constant.
12276 (c_pretty_printer::c_pretty_printer): Remove assignment to constant.
12277
da6ca2b5
GDR		 122782013-08-22 Gabriel Dos Reis <gdr@integrable-solutions.net>
12279
12280 * c-pretty-print.h (pp_c_pretty_printer_init): Remove.
12281 (c_pretty_printer::c_pretty_printer): Declare.
12282 * c-pretty-print.c (pretty_printer::c_pretty_printer): Rename from
12283 c_pretty_printer_init. Adjust.
12284 (print_c_tree): Do not call c_pretty_printer_init.
12285 * c-ada-spec.c (dump_ads): Remove call to pp_construct.
12286
65a372f4
AC		 122872013-08-09 Arnaud Charlet <charlet@adacore.com>
12288
12289 * c-ada-spec.c (print_ada_declaration): Prevent accessing null asm name
12290
fd9b0f32
PC		 122912013-08-05 Paolo Carlini <paolo.carlini@oracle.com>
12292
12293 PR c++/58080
12294 * c-common.c (pointer_int_sum): Add bool parameter.
12295 * c-common.h (pointer_int_sum): Adjust declaration.
12296
e0aec1e9
GDR		 122972013-08-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
12298
12299 * c-pretty-print.c (print_c_tree): Simplify. Use non-static local
12300 c_pretty_printer variable.
12301
b066401f
GDR		 123022013-08-04 Gabriel Dos Reis <gdr@integrable-solutions.net>
12303
12304 * c-pretty-print.h (c_pretty_printer): Derive from pretty_printer.
12305 (pp_base): Remove.
12306 (pp_c_base): Likewise. Adjust users.
12307 * c-pretty-print.c (pp_c_maybe_whitespace): Adjust.
12308 (pp_c_whitespace): Do not call pp_base.
12309 (pp_c_left_paren): Likewise.
12310 (pp_c_right_paren): Likewise.
12311 (pp_c_left_brace): Likewise.
12312 (pp_c_right_brace): Likewise.
12313 (pp_c_left_bracket): Likewise.
12314 (pp_c_right_bracket): Likewise.
12315 (pp_c_dot): Likewise.
12316 (pp_c_ampersand): Likewise.
12317 (pp_c_star): Likewise.
12318 (pp_c_arrow): Likewise.
12319 (pp_c_semicolon): Likewise.
12320 (pp_c_complement): Likewise.
12321 (pp_c_exclamation): Likewise.
12322 (pp_c_direct_declarator): Likewise.
12323 (pp_c_ws_string): Likewise.
12324 (pp_c_identifier): Likewise.
12325 (pp_c_statement): Likewise.
12326 (print_c_tree): Likewise.
12327
65e5a578
ESR		 123282013-08-04 Ed Smith-Rowland <3dw4rd@verizon.net>
12329
12330 PR c++/58072
12331 * c-common.c (c_parse_error): Catch user-defined literal tokens and
12332 provide useful error strings.
12333
137a1a27
GDR		 123342013-08-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
12335
12336 * c-ada-spec.c (pp_ada_tree_identifier): Use specialized pretty
12337 printer functions instead of pp_string or operators and punctuators.
12338 (dump_generic_ada_node): Likewise.
12339 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12340 (pp_c_relational_expression): Likewise.
12341 (pp_c_logical_or_expression): Likewise.
12342
07838b13
GDR		 123432013-08-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
12344
12345 * c-ada-spec.c (print_ada_macros): Use specialized pretty printer
12346 functions instead of pp_character.
12347 (pp_ada_tree_identifier): Likewise.
12348 (dump_ada_double_name): Likewise.
12349 (dump_ada_function_declaration): Likewise.
12350 (dump_ada_array_domains): Likewise.
12351 (dump_template_types): Likewise.
12352 (dump_generic_ada_node): Likewise.
12353 (print_ada_declaration): Likewise.
12354 (print_ada_struct_decl): Likewise.
12355 * c-pretty-print.c (pp_c_integer_constant): Likewise.
12356
433cc7b0
TT		 123572013-07-23 Tom Tromey <tromey@redhat.com>
12358
12359 * c-common.h (enum rid) <RID_GENERIC>: New constant.
12360 * c-common.c (c_common_reswords): Add _Generic.
12361
688010ba
OB		 123622013-07-21 OndÅ\99ej Bílka <neleai@seznam.cz>
12363
12364 * c-common.c: Fix typos.
12365 * c-common.h: Likewise.
12366
2a99e5e6
LL		 123672013-07-13 Lubos Lunak <l.lunak@suse.cz>
12368
12369 PR c++/55203
12370 * c-common.c (c_common_attribute_table): Add warn_unused.
12371 (handle_warn_unused_attribute): New.
12372
c26302d5
JJ		 123732013-07-10 Jakub Jelinek <jakub@redhat.com>
12374
12375 * c-ppoutput.c (scan_translation_unit): Call account_for_newlines
12376 for all CPP_TOKEN_FLD_STR tokens, not just CPP_COMMENT.
12377
dfeadaa0
PC		 123782013-07-10 Paolo Carlini <paolo.carlini@oracle.com>
12379
12380 PR c++/57869
12381 * c.opt: Add Wconditionally-supported.
12382
6a2fa4b2
GS		 123832013-07-08 Graham Stott <graham.stott@btinternet.com>
12384
adfac8df 12385 * array-notation-common.c (length_mismatch_in_expr_p): Delete
6a2fa4b2
GS		 12386 unused variables l_length and l_node.
12387
ecdbd01a 123882013-07-04 Joern Rennecke <joern.rennecke@embecosm.com>
40d3d530
JR		 12389
12390 PR c/57821
12391 * c-common.c (complete_array_type): Delay folding first index
12392 like other indices. When folding, check for index overflow.
12393
bedc293e
MG		 123942013-06-27 Marc Glisse <marc.glisse@inria.fr>
12395
12396 PR c++/57509
12397 * c-common.h (c_build_vec_perm_expr): New complain argument.
12398 * c-common.c (c_build_vec_perm_expr): Likewise.
12399 Use save_expr also in C++.
12400
604b2bfc
GDR		 124012013-06-22 Gabriel Dos Reis <gdr@integrable-solutions.net>
12402
12403 * c-common.c (c_common_nodes_and_builtins): Use cxx11 in lieu of cxx0x.
12404 * c-cppbuiltin.c (c_cpp_builtins): Likewise.
12405 * c-opts.c (c_common_post_options): Likewise.
12406
dfeadaa0 124072013-06-21 Balaji V. Iyer <balaji.v.iyer@intel.com>
713b46fa
BI		 12408
12409 * array-notation-common.c (length_mismatch_in_expr): Changed the
12410 parameter type's from a dynamic array to a vec_tree. Also removed
12411 the size parameters.
12412 * c-common.h (length_mismatch_in_expr_p): Fixed prototype's as per
12413 the change above.
12414
2ce86d2e
BI		 124152013-06-21 Balaji V. Iyer <balaji.v.iyer@intel.com>
12416
12417 * c-common.h (struct cilkplus_an_parts): New structure.
12418 (struct cilkplus_an_loop_parts): Likewise.
12419 (cilkplus_extract_an_triplets): New prototype.
12420 (fix_sec_implicit_args): Likewise.
12421 * array-notation-common.c (cilkplus_extract_an_triplets): New function.
12422 (fix_sec_implicit_args): Likewise.
604b2bfc 12423
07a6825b
BI		 124242013-06-20 Balaji V. Iyer <balaji.v.iyer@intel.com>
12425
12426 * array-notation-common.c (find_inv_trees): Removed an unwanted
12427 typecasting.
12428 * c-common.h (struct inv_list::additional_tcodes): Changed type from
12429 enum rid to enum tree_code.
12430
08346abd
JH		 124312013-06-11 Jan Hubicka <jh@suse.cz>
12432
12433 * c-common.c (handle_alias_ifunc_attribute): Do not set
12434 DECL_EXTERNAL for weakref variables.
12435 * c-pragma.c (handle_pragma_weak): Make sure aliases
12436 are not declared as external.
12437
d60f1706
BI		 124382013-06-07 Balaji V. Iyer <balaji.v.iyer@intel.com>
12439
12440 * array-notation-common.c (length_mismatch_in_expr_p): Moved this
12441 function from c/c-array-notation.c.
12442 (is_cilkplus_reduce_builtin): Likewise.
12443 (find_rank): Likewise.
12444 (extract_array_notation_exprs): Likewise.
12445 (replace_array_notations): Likewise.
12446 (find_inv_trees): Likewise.
12447 (replace_inv_trees): Likewise.
12448 (contains_array_notation_expr): Likewise.
12449 (find_correct_array_notation_type): Likewise.
12450 * c-common.h (struct inv_list): Moved this struct from the file
12451 c/c-array-notation.c and added a new field called additional tcodes.
12452 (length_mismatch_in_expr_p): New prototype.
12453 (is_cilkplus_reduce_builtin): Likewise.
12454 (find_rank): Likewise.
12455 (extract_array_notation_exprs): Likewise.
12456 (replace_array_notation): Likewise.
12457 (find_inv_trees): Likewise.
12458 (replace_inv_trees): Likewise.
12459 (find_correct_array_notation_type): Likewise.
dfeadaa0 12460
36536d79
BI		 124612013-05-28 Balaji V. Iyer <balaji.v.iyer@intel.com>
12462
12463 * c-common.c (c_define_builtins): When cilkplus is enabled, the
12464 function array_notation_init_builtins is called.
12465 (c_common_init_ts): Added ARRAY_NOTATION_REF as typed.
12466 * c-common.def (ARRAY_NOTATION_REF): New tree.
12467 * c-common.h (build_array_notation_expr): New function declaration.
12468 (build_array_notation_ref): Likewise.
12469 (extract_sec_implicit_index_arg): New extern declaration.
12470 (is_sec_implicit_index_fn): Likewise.
12471 (ARRAY_NOTATION_CHECK): New define.
12472 (ARRAY_NOTATION_ARRAY): Likewise.
12473 (ARRAY_NOTATION_START): Likewise.
12474 (ARRAY_NOTATION_LENGTH): Likewise.
12475 (ARRAY_NOTATION_STRIDE): Likewise.
12476 * c-pretty-print.c (pp_c_postifix_expression): Added a new case for
12477 ARRAY_NOTATION_REF.
12478 (pp_c_expression): Likewise.
12479 * c.opt (flag_enable_cilkplus): New flag.
12480 * array-notation-common.c: New file.
12481
f7716d57
JJ		 124822013-05-14 Jakub Jelinek <jakub@redhat.com>
12483
12484 PR c++/57274
12485 * c-common.c (verify_tree): Don't recurse into SIZEOF_EXPR.
12486
a5e0cd1d
MG		 124872013-05-10 Marc Glisse <marc.glisse@inria.fr>
12488
12489 * c-common.c (vector_types_convertible_p): No TYPE_PRECISION for
12490 vectors.
12491
f6bc1c4a
HS		 124922013-05-07 Han Shen <shenhan@google.com>
12493
12494 * c-cppbuiltin.c (c_cpp_builtins): Added "__SSP_STRONG__=3".
12495
3f12f6e9
SKS		 124962013-04-29 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
12497
12498 * c-common.c (check_user_alignment): Emit error for negative values.
12499
61949153
PC		 125002013-04-24 Paolo Carlini <paolo.carlini@oracle.com>
12501
12502 * c-opts.c (set_std_cxx11): Use CLK_CXX1Y and CLK_GNUCXX1Y.
12503
e93e18e9
PC		 125042013-04-24 Paolo Carlini <paolo.carlini@oracle.com>
12505
12506 * c-cppbuiltin.c (c_cpp_builtins): Do not define
12507 __GXX_EXPERIMENTAL_CXX1Y__.
12508
44d90fe1 125092013-04-24 Paolo Carlini <paolo.carlini@oracle.com>
8e745a17 12510 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
44d90fe1
PC		 12511
12512 * c.opt ([Wpointer-arith]): Enabled by -Wpedantic, as documented.
12513 * c-common.c (pointer_int_sum): Change -Wpointer-arith pedwarns
12514 to simply use OPT_Wpointer_arith.
12515 (c_sizeof_or_alignof_type): Likewise.
12516
13f39b2e
PC		 125172013-04-24 Paolo Carlini <paolo.carlini@oracle.com>
12518
12519 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_EXPERIMENTAL_CXX1Y__.
12520
4b84d650
JJ		 125212013-04-12 Jakub Jelinek <jakub@redhat.com>
12522
12523 * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
12524 gcc_cdiag_char_table, gcc_cxxdiag_char_table): Add %r and %R format
12525 specifiers.
12526
fb037b5d
SB		 125272013-04-07 Steven Bosscher <steven@gcc.gnu.org>
12528
12529 * c-pragma.c (add_to_renaming_pragma_list): Fix leading comment.
12530
4e856798
PC		 125312013-04-03 Paolo Carlini <paolo.carlini@oracle.com>
12532
12533 * c-common.c (pointer_int_sum): Remove dead code.
12534
4b1baac8
RS		 125352013-03-09 Richard Sandiford <rdsandiford@googlemail.com>
12536
12537 PR middle-end/56524
12538 * c-common.c (handle_optimize_attribute): Don't call
12539 save_optabs_if_changed.
12540
0b50e654
JJ		 125412013-03-05 Jakub Jelinek <jakub@redhat.com>
12542
12543 PR middle-end/56461
12544 * c-pch.c (pch_init): Free target_validity at the end.
12545
48c41403
JJ		 125462013-03-04 Jakub Jelinek <jakub@redhat.com>
12547
12548 * c-pretty-print.c (pp_c_pretty_printer_init): Clear pp->flags.
12549
e664c61c
KS		 125502013-02-28 Konstantin Serebryany <konstantin.s.serebryany@gmail.com>
12551 Jakub Jelinek <jakub@redhat.com>
12552
12553 PR sanitizer/56454
12554 * c-common.c (handle_no_sanitize_address_attribute): New function.
12555 (c_common_attribute_table): Add no_sanitize_address attribute.
12556 (handle_no_address_safety_analysis_attribute): Add
12557 no_sanitize_address attribute, not no_address_safety_analysis
12558 attribute.
12559
a475fd3d 125602013-02-18 Aldy Hernandez <aldyh@redhat.com>
135204dd
AH		 12561
12562 PR target/52555
12563 * c-common.c (handle_optimize_attribute): Call
12564 save_optabs_if_changed.
12565
f6007d99
JJ		 125662013-02-18 Jakub Jelinek <jakub@redhat.com>
12567 Steven Bosscher <steven@gcc.gnu.org>
12568
12569 PR pch/54117
12570 * c-opts.c (c_common_post_options): If debug info is enabled
12571 and non-dwarf*, refuse to load PCH files and when writing PCH
12572 file warn.
12573
cf35e2b1
JJ		 125742013-02-05 Jakub Jelinek <jakub@redhat.com>
12575
12576 PR middle-end/56167
12577 * c-common.c (handle_error_attribute): Fix condition.
12578
32887460
JJ		 125792013-01-30 Jakub Jelinek <jakub@redhat.com>
12580
12581 PR c++/55742
12582 * c-common.c (handle_target_attribute): Revert 2012-12-26 change.
12583
5af057d8
JM		 125842013-01-18 Jason Merrill <jason@redhat.com>
12585
12586 PR target/54908
12587 * c.opt (-fextern-tls-init): New.
12588 * c-opts.c (c_common_post_options): Handle it.
12589
cc83c823
JJ		 125902013-01-09 Jakub Jelinek <jakub@redhat.com>
12591
12592 PR c/48418
12593 * c-common.c (c_fully_fold_internal): Warn for LSHIFT_EXPR and
12594 RSHIFT_EXPR, if orig_op1 isn't INTEGER_CST, op1 is INTEGER_CST
12595 and is either negative or bigger or equal to type precision
12596 of the first operand.
12597
a859517f
MP		 125982012-12-03 Marek Polacek <polacek@redhat.com>
12599
12600 PR c/55570
12601 * c-common.c (check_user_alignment): Swap order of tests,
12602 check TREE_CODE first.
12603
2d7aa578
ESR		 126042012-11-29 Ed Smith-Rowland <3dw4rd@verizon.net>
12605
12606 PR c++/52654
12607 * c-common.h (overflow_type): New enum.
12608 (build_userdef_literal): Add overflow_type argument.
12609 (tree_userdef_literal): Add overflow_type.
12610 (USERDEF_LITERAL_OVERFLOW): New access macro.
12611 * c-common.c (build_userdef_literal): Add overflow_type
12612 argument.
12613 * c-lex.c (c_lex_with_flags): Add overflow_type to
12614 build_userdef_literal calls.
12615 (interpret_integer, interpret_float): Add overflow_type argument.
12616
cc3c4f62
RB		 126172012-11-28 Richard Biener <rguenther@suse.de>
12618
12619 PR c/35634
12620 * c-gimplify.c (c_gimplify_expr): Gimplify self-modify expressions
12621 here and use a type with proper overflow behavior for types that would
12622 need to be promoted for the arithmetic.
12623
77bc5132
JJ		 126242012-11-23 Jakub Jelinek <jakub@redhat.com>
12625
12626 PR sanitizer/55435
12627 * c-common.c (handle_no_address_safety_analysis_attribute): New
12628 function.
12629 (c_common_attribute_table): Add no_address_safety_analysis.
12630
5dc99c46
SB		 126312012-11-16 Simon Baldwin <simonb@google.com>
12632
12633 * c.opt: Add f[no-]canonical-system-headers.
12634 * c-opts.c (c_common_handle_option): Handle
12635 OPT_fcanonical_system_headers.
12636
a4a0016d
ESR		 126372012-11-09 Ed Smith-Rowland <3dw4rd@verizon.net>
12638
12639 PR c++/54413
12640 * c-opts.c (c_common_handle_option): Set new flags.
12641 * c.opt: Describe new flags.
12642
7dbb85a7
JM		 126432012-11-09 Jason Merrill <jason@redhat.com>
12644
12645 * c.opt (Wabi-tag): New.
12646
ad7bac31
AK		 126472012-11-09 Andi Kleen <ak@linux.intel.com>
12648
12649 PR 55139
12650 * c-common.c (get_atomic_generic_size): Mask with
8e745a17 12651 MEMMODEL_MASK
ad7bac31 12652
7332899a
MLI		 126532012-11-07 Manuel López-Ibáñez <manu@gcc.gnu.org>
12654
12655 PR c/53063
12656 * c.opt (Wformat): Make it Alias Wformat=1.
12657 (Wformat-contains-nul,Wformat-extra-args,Wformat-nonliteral,
12658 Wformat-security,Wformat-y2k,Wformat-zero-length): Use
12659 LangEnabledBy.
12660 (Wformat=): RejectNegative. Use LangEnabledBy.
12661 (Wnonnull): Use LangEnabledBy.
12662 * c-opts.c (c_common_handle_option): Do not handle Wformat here.
12663 * c-format.c (set_Wformat): Delete.
12664 (decode_format_attr): Replace OPT_Wformat with OPT_Wformat_.
ab20d992
JJ		 12665 (maybe_read_dollar_number): Likewise.
12666 (avoid_dollar_number): Likewise.
12667 (finish_dollar_format_checking): Likewise.
12668 (check_format_info): Likewise.
12669 (check_format_info_main): Likewise.
12670 (check_format_types): Likewise.
12671 (format_type_warning): Likewise.
12672 * c-common.c (int): Likewise.
12673 (check_function_sentinel): Likewise.
8e745a17 12674 * c-common.h (warn_format,set_Wformat): Do not declare here.
7332899a 12675
34a180a6
MLI		 126762012-11-07 Manuel López-Ibáñez <manu@gcc.gnu.org>
12677
12678 PR c/53063
12679 * c.opt(Warray-bounds,Wdelete-non-virtual-dtor,Wenum-compare,
12680 Wmain,Woverlength-strings, Wunknown-pragmas,Wunused-macros):
12681 Use LangEnabledBy.
12682 (Wswitch,Wswitch-default,Wswitch-enum): Likewise. Move here from
12683 common.opt.
12684 (Wvariadic-macros): Init(1).
12685 * c-opts.c (c_common_handle_option): Do not handle them
12686 explicitly.
12687 (c_common_post_options): Likewise.
12688 (sanitize_cpp_opts): warn_unused_macros is now
12689 cpp_warn_unused_macros.
12690 (push_command_line_include): Likewise.
12691 * c-common.c (warn_unknown_pragmas): Do not define.
12692 * c-common.h (warn_unknown_pragmas): Do not declare.
12693
3f46d6a5
MLI		 126942012-11-07 Manuel López-Ibáñez <manu@gcc.gnu.org>
12695
12696 PR c/51294
12697 * c-common.c (conversion_warning): Handle conditional expressions.
12698
880661a4
JW		 126992012-10-29 Jonathan Wakely <jwakely.gcc@gmail.com>
12700
12701 PR c++/54930
12702 * c.opt (Wreturn_local_addr): Define new option.
12703
4514a96b
JM		 127042012-10-25 Jason Merrill <jason@redhat.com>
12705
f14edc1a
JM		 12706 * c.opt (Wvirtual-move-assign): New.
12707
4514a96b
JM		 12708 * c.opt (Winherited-variadic-ctor): New.
12709
93100c6b
MG		 127102012-10-25 Marc Glisse <marc.glisse@inria.fr>
12711
12712 PR c++/54427
12713 * c-common.c (scalar_to_vector): Handle VEC_COND_EXPR.
12714
1efcb8c6
JM		 127152012-10-23 Joseph Myers <joseph@codesourcery.com>
12716
12717 * c-common.h (pch_cpp_save_state): Declare.
12718 * c-target.def (c_preinclude): New hook.
12719 * c-opts.c (done_preinclude): New.
12720 (push_command_line_include): Handle default preincluded header.
12721 (cb_file_change): Call pch_cpp_save_state when calling
12722 push_command_line_include.
12723 * c-pch.c (pch_ready_to_save_cpp_state, pch_cpp_state_saved)
12724 (pch_cpp_save_state): New.
12725 (pch_init): Call pch_cpp_save_state conditionally, instead of
12726 calling cpp_save_state.
12727
4a0ae68e
MLI		 127282012-10-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
12729
12730 PR c/53063
12731 PR c/40989
12732 * c.opt (Waddress,Wchar-subscripts,Wsign-conversion,Wimplicit,
12733 Wimplicit-function-declaration,Wimplicit-int,Wsizeof-pointer-memaccess,
12734 Wnarrowing,Wparentheses,Wpointer-sign,Wreturn-type,Wsequence-point,
12735 Wsign-compare,Wuninitialized,Wmaybe-uninitialized,Wunused,
12736 Wvolatile-register-var): Add LangEnabledBy or EnabledBy.
12737 * c-opts.c (c_common_handle_option): Remove explicit handling from
12738 here.
12739 (c_common_post_options): Likewise.
12740
67e4210b
EB		 127412012-10-18 Eric Botcazou <ebotcazou@adacore.com>
12742
12743 * c-ada-spec.c (LOCATION_COL): Delete.
12744 (compare_location): New function.
12745 (compare_node): Use it.
12746 (compare_comment): Likewise.
12747
65d4f2cd
MLI		 127482012-10-16 Manuel López-Ibáñez <manu@gcc.gnu.org>
12749
12750 PR c/53063
12751 PR c/40989
12752 * c.opt (Wstrict-aliasing=,Wstrict-overflow=): Use LangEnabledBy.
12753 * c-opts.c (c_common_handle_option): Do not set them here. Add
12754 comment.
12755 (c_common_post_options): Likewise.
12756
909881cb
EB		 127572012-10-16 Eric Botcazou <ebotcazou@adacore.com>
12758
12759 * c-ada-spec.c (ADA_HOST_WIDE_INT_PRINT_DOUBLE_HEX): Define.
12760 (dump_generic_ada_node) <INTEGER_CST>: Deal with sizetype specially.
12761 Remove POINTER_TYPE handling, add large unsigned handling and use
12762 ADA_HOST_WIDE_INT_PRINT_DOUBLE_HEX for big numbers.
12763
3a785c97
JJ		 127642012-10-12 Jakub Jelinek <jakub@redhat.com>
12765
12766 PR c/54381
12767 * c-common.h (sizeof_pointer_memaccess_warning): Adjust prototype.
12768 * c-common.c (sizeof_pointer_memaccess_warning): Take array of 3
12769 locs and array of 3 trees instead of just single loc and single
12770 sizeof_arg tree. Handle __builtin___*_chk builtins too, and
12771 also stpncpy, bcopy, bcmp, bzero, snprintf and vsnprintf builtins.
12772 For *cmp* builtins that take two sources strings report warnings
12773 about first and second source, not about destination and source.
12774
5e54f81d
MG		 127752012-10-12 Marc Glisse <marc.glisse@inria.fr>
12776
12777 PR c++/53055
12778 * c-common.h (enum ref_operator) [RO_ARROW_STAR]: New.
12779
f5b02f1e
EB		 127802012-10-11 Eric Botcazou <ebotcazou@adacore.com>
12781
12782 * c-ada-spec.c (dump_ada_template): Bail out for template declarations
12783 declaring something coming from another file.
12784
b46dbc6c
AC		 127852012-10-10 Arnaud Charlet <charlet@adacore.com>
12786
f5b02f1e 12787 PR ada/54845
b46dbc6c
AC		 12788 * c-ada-spec.c (print_ada_struct_decl): Increase buf size.
12789
5d9de0d0
PC		 127902012-10-09 Paolo Carlini <paolo.carlini@oracle.com>
12791
12792 PR c++/54194
12793 * c-common.c (warn_about_parentheses): Add location_t parameter;
12794 use EXPR_LOC_OR_LOC.
12795 * c-common.h: Update declaration.
12796
a212e43f
MG		 127972012-10-09 Marc Glisse <marc.glisse@inria.fr>
12798
12799 PR c++/54427
12800 * c-common.c (scalar_to_vector): Moved from c-typeck.c. Support
12801 more operations. Make error messages optional.
12802 * c-common.h (enum stv_conv): Moved from c-typeck.c.
12803 (scalar_to_vector): Declare.
12804
b1db7f91
JM		 128052012-10-08 Jason Merrill <jason@redhat.com>
12806
12807 * c-common.c (c_common_reswords): Add thread_local.
12808
e28d52cf
DS		 128092012-10-08 Dodji Seketeli <dodji@redhat.com>
12810
12811 PR c++/53528 C++11 attribute support
12812 * c-common.h (bitfield_p, cxx_fundamental_alignment_p): Declare
12813 new functions.
12814 * c-common.c (check_cxx_fundamental_alignment_constraints): New
12815 static function.
12816 (handle_aligned_attribute): In choose strictest alignment
12817 among many. Use new check_cxx_fundamental_alignment_constraints.
12818 (handle_transparent_union_attribute): In c++11 attribute syntax,
12819 don't look through typedefs.
12820
3b78de56
AC		 128212012-10-04 Arnaud Charlet <charlet@adacore.com>
12822
12823 * c-ada-spec.c (print_ada_declaration): Remove handling of TDF_RAW.
12824 * c.opt (-fdump-ada-spec, -fdump-ada-spec-slim): Move switch definition
12825 out of dumpfile.h.
12826
6040bb5f
DC		 128272012-09-25 Dehao Chen <dehao@google.com>
12828
12829 PR middle-end/54645
3b78de56 12830 * c-pch.c (c_common_read_pch): Rebuild the location_adhoc_data
6040bb5f
DC		 12831 map when read in the pch.
12832
3f8257db 128332012-09-18 Arnaud Charlet <charlet@adacore.com>
0b07a57e
AC		 12834
12835 * c-ada-spec.c: Style fixes.
12836
3f8257db 128372012-09-18 Thomas Quinot <quinot@adacore.com>
da5182be
TQ		 12838
12839 * c.opt (-fada-spec-parent): Define new command line switch.
12840 * c-ada-spec.c (get_ada_package): When -fada-spec-parent
12841 is specified, generate binding spec as a child of the specified unit.
12842
0ccb505d
PC		 128432012-09-13 Paolo Carlini <paolo.carlini@oracle.com>
12844 Manuel López-Ibáñez <manu@gcc.gnu.org>
12845
12846 PR c++/53210
12847 * c.opt ([Winit-self]): Enabled by -Wall in C++.
12848
c583af79
AC		 128492012-08-23 Arnaud Charlet <charlet@adacore.com>
12850
12851 * c-ada-spec.c (dump_generic_ada_node): Fix handling of name_only
12852 for pointers, and add missing Convention C pragma.
12853 (print_ada_struct_decl): Add missing aliased keyword.
12854 (dump_ads): Add pragma Ada_2005 and Style_Checks (Off).
12855
1a4049e7
JJ		 128562012-08-17 Jakub Jelinek <jakub@redhat.com>
12857
12858 * c-common.c (sizeof_pointer_memaccess_warning): New function.
12859 * c.opt (-Wsizeof-pointer-memaccess): Add new option.
12860 * c-opts.c (c_common_handle_option): Enable it for -Wall.
12861 * c-common.h (sizeof_pointer_memaccess_warning): Add prototype.
12862 * c-common.def (SIZEOF_EXPR): Moved here from cp-tree.def.
12863
70b5e7dc
RG		 128642012-08-10 Richard Guenther <rguenther@suse.de>
12865
12866 * c-pretty-print.c (pp_c_expression): Handle anonymous SSA names.
12867
f8923f7e
SB		 128682012-08-07 Steven Bosscher <steven@gcc.gnu.org>
12869
12870 * c-pretty-print.c (pp_c_function_definition): Use pp_newline_and_flush
12871 instead of separate pp_newline and pp_flush.
12872 (print_c_tree): Likewise.
12873
e45abe1f
RH		 128742012-07-26 Richard Henderson <rth@redhat.com>
12875
12876 * c-common.c (handle_hot_attribute): Allow labels.
12877 (handle_cold_attribute): Likewise.
12878
332f1d24
JJ		 128792012-07-20 Jakub Jelinek <jakub@redhat.com>
12880
12881 PR c++/28656
12882 * c-common.c (check_function_nonnull): Handle multiple nonnull
12883 attributes properly.
12884
7ee2468b
SB		 128852012-07-16 Steven Bosscher <steven@gcc.gnu.org>
12886
12887 * c-gimplify.c: Include dumpfile.h instead of tree-dump.h.
12888 * c-ada-spec.c: Likewise.
12889 * c-dump.c (dump_stmt): Move to cp/dump.c, the only user.
12890
ee7b28eb
SB		 128912012-07-14 Steven Bosscher <steven@gcc.gnu.org>
12892
12893 * c-pch.c (CHECK_NO_ASM_OUT_DURING_PCH): Do not define.
12894 Remove code conditional on it.
12895
6bdf3519
SB		 128962012-07-11 Steven Bosscher <steven@gcc.gnu.org>
12897
12898 * c-gimplify.c: Do not include basic-block.h.
12899 * c-common.c: Do not include linfuncs.h.
12900
532aafad
SB		 129012012-07-08 Steven Bosscher <steven@gcc.gnu.org>
12902
12903 * c-common.h: Include tree.h.
12904
8d0d1915
JM		 129052012-07-02 Jason Merrill <jason@redhat.com>
12906
12907 PR c++/53524
12908 * c-common.c (get_priority): Call default_conversion.
12909
fbc873ad
UB		 129102012-07-01 Uros Bizjak <ubizjak@gmail.com>
12911
12912 * c-pch.c (c_common_write_pch): Remove unused variables.
12913
d4a10d0a
SB		 129142012-06-29 Steven Bosscher <steven@gcc.gnu.org>
12915
12916 * cppspec.c: Moved from gcc/ to here.
12917
6f3a2e23
KT		 129182012-06-27 Kai Tietz <ktietz@redhat.com>
12919
12920 PR preprocessor/37215
12921 * c-ppoutput.c (preprocess_file): Check for nonempty buffer.
12922
8ca92d04
SB		 129232012-06-21 Steven Bosscher <steven@gcc.gnu.org>
12924
12925 * c-common.h (c_common_print_pch_checksum): Remove.
12926 * c-pch.c: Do not include output.h.
12927 (CHECK_NO_ASM_OUT_DURING_PCH): Define and add FIXME.
12928 (asm_out_file): Define iff CHECK_NO_ASM_OUT_DURING_PCH isdefined.
12929 (asm_file_startpos): Define iff CHECK_NO_ASM_OUT_DURING_PCH is defined.
12930 (struct c_pch_header): Remove.
12931 (get_ident): Update gpch version.
12932 (pch_init): Do not print executable_checksum to asm_out_file.
12933 Do not fail if there is no asm_out_file to read back from. Set
12934 asm_file_startpos only if CHECK_NO_ASM_OUT_DURING_PCH is defined.
12935 (c_common_write_pch): Verify that nothing was written to asm_out_file
12936 since pch_init was called. Do not write a c_pch_header, and do not
12937 copy from asm_out_file to the PCH.
12938 (c_common_read_pch): Do not read a c_pch_header, and do not restore
12939 the content of asm_out_file from the PCH.
12940 (c_common_print_pch_checksum): Remove.
12941 * c-opts.c (c_common_init): Print out executable_checksum directly.
12942
70f42967
SB		 129432012-06-19 Steven Bosscher <steven@gcc.gnu.org>
12944
12945 * c-target.def (objc_declare_unresolved_class_reference,
12946 objc_declare_class_definition): Add new hooks.
12947
a8781821
SB		 129482012-06-19 Steven Bosscher <steven@gcc.gnu.org>
12949
12950 * c-lex.c: Do not include output.h.
12951 (cb_ident): Try to put out .ident with targetm.asm_out.output_ident.
12952 Remove uses of ASM_OUTPUT_IDENT.
12953
9e1a8dd1
RR		 129542012-06-15 Marc Glisse <marc.glisse@inria.fr>
12955
12956 PR c++/51033
12957 * c-common.h (c_build_vec_perm_expr): Move decl here.
12958 * c-common.c (c_build_vec_perm_expr): Move definition
12959 here.
12960
6f07a821
SB		 129612012-06-06 Steven Bosscher <steven@gcc.gnu.org>
12962
12963 * c.opt (fconserve-space): Turn into a no-op.
12964
9faeb493 129652012-06-04 Sterling Augustine <saugustine@google.com>
c265f413
SA		 12966
12967 * c-pretty-print.h (pp_c_flag_gnu_v3): New enumerator.
12968 * c-pretty-print.c (pp_c_specifier_qualifier_list): Check it at
12969 both the start and end of the function.
12970
a4b7d13c
SB		 129712012-06-04 Steven Bosscher <steven@gcc.gnu.org>
12972
12973 * c-common.c: Do not include output.h.
12974 * c-pragma.c: Likewise.
12975
c265f413
SA		 129762012-06-04 Steven Bosscher <steven@gcc.gnu.org>
12977
12978 * error.c (dump_decl): Check pp_c_flag_gnu_v3.
12979 (decl_as_dwarf_string, lang_decl_dwarf_name): New functions.
12980 (lang_decl_name): Handle namespace decls.
12981
be7a421e
SB		 129822012-05-31 Steven Bosscher <steven@gcc.gnu.org>
12983
12984 * c-ada-spec.c: Do not include output.h.
12985 * c-semantics.c: Likewise.
12986
65de6659
JM		 129872012-05-29 Joseph Myers <joseph@codesourcery.com>
12988
12989 * c-common.c: Fix typo.
12990
ca5f4331
MM		 129912012-05-29 Michael Matz <matz@suse.de>
12992
12993 * c-common.h (c_expand_decl): Remove prototype.
12994
4f7f7aca
MLI		 129952012-05-29 Manuel López-Ibáñez <manu@gcc.gnu.org>
12996
12997 * c.opt (Wmissing-braces): Use LangEnabledBy(C ObjC,Wall).
12998 * c-opts.c (c_common_handle_option): Remove code handling
12999 warn_missing_braces.
13000
4a792f9b
PC		 130012012-05-28 Paolo Carlini <paolo.carlini@oracle.com>
13002
13003 PR c++/25137
13004 * c-opts.c (c_common_handle_option): For C++ -Wall doesn't enable
13005 -Wmissing_braces.
13006
650dc14a
DS		 130072012-05-22 Dodji Seketeli <dodji@redhat.com>
13008
13009 PR c++/53322
13010 * c.opt (Wunused-local-typedefs): Use EnabledBy(Wunused).
13011
9b095bf1
MLI		 130122012-05-17 Manuel López-Ibáñez <manu@gcc.gnu.org>
13013
13014 * c.opt (--pedantic-errors,-pedantic-errors): Do not handle here.
13015 * c-opts.c (c_common_handle_option): Do not handle explicitly
13016 Wreturn-type, Wwrite-strings, warn_ecpp, and -pedantic-errors.
13017
0b2c4be5
DS		 130182012-05-16 Dodji Seketeli <dodji@redhat.com>
13019
13020 PR preprocessor/7263
ab20d992 13021 * c-lex.c (c_lex_with_flags): Pass a virtual location to the call
0b2c4be5
DS		 13022 to cpp_classify_number. For diagnostics, use the precise location
13023 instead of the global input_location.
13024
a1bde5af
PC		 130252012-05-15 Paolo Carlini <paolo.carlini@oracle.com>
13026
d02924ef 13027 PR c++/11856
a1bde5af
PC		 13028 * c-common.c (shorten_compare): Check c_inhibit_evaluation_warnings.
13029
d1ede5f4
BS		 130302012-05-14 Bernd Schmidt <bernds@codesourcery.com>
13031
a1bde5af 13032 * c-common.c (DEF_ATTR_STRING): Define and undefine as necessary.
d1ede5f4 13033
f2bc201f
MLI		 130342012-05-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
13035
13036 PR 53063
13037 * c.opt (Wc++0X-compat,Wdelete-non-virtual-dtor,Wjump-misses-init,
13038 Wreorder): Use LangEnabledBy.
13039 * c-opts.c (c_common_handle_option): Do not enable them
13040 explicitly. Call lang-specific generated functions.
13041 (c_common_post_options): Do not set them here.
13042
95744782
MLI		 130432012-05-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
13044
13045 * c.opt (Wclobbered,Wempty-body,Wignored-qualifiers,
13046 Wmissing-field-initializers,Wmissing-parameter-type,
13047 Wold-style-declaration,Woverride-init): Use EnabledBy.
13048 * c-opts.c (c_common_post_options): Do not set here explicitly.
13049
7d5a5747
MLI		 130502012-05-11 Manuel López-Ibáñez <manu@gcc.gnu.org>
13051
13052 PR 53063
13053 * c-opts.c (c_common_handle_option): Use handle_generated_option
13054 to enable sub-options.
13055
5a3c9cf2
PC		 130562012-05-10 Paolo Carlini <paolo.carlini@oracle.com>
13057
13058 PR c++/53158
13059 * c-common.c (warnings_for_convert_and_check): Use warning_at.
13060
3ac8781c
RG		 130612012-05-10 Richard Guenther <rguenther@suse.de>
13062
13063 * c-common.c (c_sizeof_or_alignof_type): Remove assert and
13064 adjust commentary about TYPE_IS_SIZETYPE types.
13065
1e537948
MLI		 130662012-05-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
13067
13068 PR c++/53261
13069 * c-common.c (warn_logical_operator): Check that argument of
13070 integer_zerop is not NULL.
13071
f2c4a785
MLI		 130722012-05-05 Manuel López-Ibáñez <manu@gcc.gnu.org>
13073
13074 PR c/43772
13075 * c-common.c (warn_logical_operator): Do not warn if either side
13076 is already true or false.
13077
50f305ca
MLI		 130782012-05-04 Manuel López-Ibáñez <manu@gcc.gnu.org>
13079
13080 PR c/51712
13081 * c-common.c (expr_original_type): New.
13082 (shorten_compare): Do not warn for enumeration types.
13083
0c3641b0
MLI		 130842012-05-03 Manuel López-Ibáñez <manu@gcc.gnu.org>
13085
13086 * c.opt (fpermissive): Add Var(flag_permissive).
13087
7edaa4d2
MG		 130882012-04-30 Marc Glisse <marc.glisse@inria.fr>
13089
13090 PR c++/51033
13091 * c-common.c (convert_vector_to_pointer_for_subscript): New function.
13092 * c-common.h (convert_vector_to_pointer_for_subscript): Declare it.
13093
b9c8da34
DS		 130942012-04-30 Dodji Seketeli <dodji@redhat.com>
13095
13096 Add -Wvarargs option
ab20d992 13097 * c.opt (Wvarargs): Define new option.
b9c8da34 13098
e6c69da0
MLI		 130992012-04-30 Manuel López-Ibáñez <manu@gcc.gnu.org>
13100
13101 * c-common.c (check_function_arguments): Replace
13102 Wmissing-format-attribute with Wsuggest-attribute=format.
13103
90137d8f
MLI		 131042012-04-30 Manuel López-Ibáñez <manu@gcc.gnu.org>
13105
13106 * c.opt (Wsuggest-attribute=format): New. Alias of
13107 Wmissing-format-attribute.
13108 * c-format.c (decode_format_type): Replace
13109 Wmissing-format-attribute with Wsuggest-attribute=format.
13110 (check_function_format): Likewise.
13111
9faeb493 131122012-04-27 Ollie Wild <aaw@google.com>
7f5f5f98
OW		 13113
13114 * c-common.c: Add CPP_W_LITERAL_SUFFIX mapping.
13115 * c-opts.c (c_common_handle_option): Handle OPT_Wliteral_suffix.
13116 * c.opt: Add Wliteral-suffix.
13117
c1771a20
MLI		 131182012-04-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
13119
13120 PR c/44774
13121 * c.opt (Wpedantic): New.
13122 (pedantic): Alias Wpedantic.
13123 * c-opts.c (c_common_handle_option): Replace -pedantic with -Wpedantic.
13124 (c_common_post_options): Likewise.
13125 (sanitize_cpp_opts): Likewise.
13126 * c-lex.c (interpret_float): Likewise.
13127 * c-format.c (check_format_types): Likewise.
13128 * c-common.c (pointer_int_sum): Likewise.
13129 (c_sizeof_or_alignof_type): Likewise.
13130 (c_add_case_label): Likewise.
13131 (c_do_switch_warnings): Likewise.
13132 * c-pragma.c (handle_pragma_float_const_decimal64): Likewise.
13133
04b391c1
JM		 131342012-04-15 Jason Merrill <jason@redhat.com>
13135
13136 PR c++/52818
13137 * c-format.c (CPLUSPLUS_STD_VER): C++11 inherits from C99.
13138 (C_STD_NAME): Distinguish between C++98 and C++11.
13139
ac868f29
EB		 131402012-04-11 Eric Botcazou <ebotcazou@adacore.com>
13141
13142 PR target/52624
13143 * c-common.h (uint16_type_node): Rename into...
13144 (c_uint16_type_node): ...this.
13145 * c-common.c (c_common_nodes_and_builtins): Adjust for above renaming.
13146 * c-cppbuiltin.c (builtin_define_stdint_macros): Likewise.
13147
fd4116f4
MLI		 131482012-04-10 Manuel López-Ibáñez <manu@gcc.gnu.org>
13149
13150 * c-common.c (warn_if_unused_value): Move definition to here.
13151 * c-common.h (warn_if_unused_value): Move declaration to here.
13152
573ac65e
WB		 131532012-03-23 William Bader <williambader@hotmail.com>
13154
13155 * c-lex.c (c_lex_with_flags): Avoid declarations after stmts.
13156
552b8185
JM		 131572012-03-20 Jason Merrill <jason@redhat.com>
13158
13159 * c-common.h (enum cxx_dialect): Add cxx1y.
13160 * c-common.c (c_common_nodes_and_builtins): Use >= for cxx_dialect
13161 test.
13162 * c-cppbuiltin.c (c_cpp_builtins): Likewise.
13163 * c-opts.c (c_common_post_options): Likewise.
13164 (set_std_cxx1y): New.
13165 (c_common_handle_option): Call it.
13166 * c.opt (-std=c++1y, -std=gnu++1y): New flags.
13167
04398fa8
PC		 131682012-03-19 Paolo Carlini <paolo.carlini@oracle.com>
13169
13170 PR c++/14710
13171 * c.opt ([Wuseless-cast]): Add.
13172
d2a12ae7
RG		 131732012-03-16 Richard Guenther <rguenther@suse.de>
13174
13175 * c-pretty-print.c (pp_c_initializer_list): Adjust.
13176
a12bf402
MLI		 131772012-03-15 Manuel López-Ibáñez <manu@gcc.gnu.org>
13178
13179 PR c++/44783
13180 * c.opt (ftemplate-backtrace-limit) Add.
13181
5c30094f
RO		 131822012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
13183
13184 * c-cppbuiltin.c (c_cpp_builtins): Remove #pragma extern_prefix
13185 handling.
13186 * c-pragma.c (handle_pragma_extern_prefix): Remove.
13187 (init_pragma): Don't register extern_prefix.
13188
21fa2faf
RG		 131892012-03-12 Richard Guenther <rguenther@suse.de>
13190
13191 * c-common.c (c_common_get_narrower): Use c_common_type_for_size.
13192 (builtin_type_for_size): Likewise.
13193
e3793c6f
JJ		 131942012-02-13 Jakub Jelinek <jakub@redhat.com>
13195
13196 PR c++/52215
13197 * c-common.c (sync_resolve_params): Don't decide whether to convert
13198 or not based on TYPE_SIZE comparison, convert whenever arg_type
13199 is unsigned INTEGER_TYPE.
13200
93286335
PC		 132012012-02-06 Paolo Carlini <paolo.carlini@oracle.com>
13202
13203 PR c/52118
13204 * c.opt ([Wunused-local-typedefs]): Fix description.
13205
7a421706
MS		 132062012-01-24 Mike Stump <mikestump@comcast.net>
13207
13208 * c-common.c (c_common_type_for_mode): Match signed/unsigned types
13209 exactly.
13210
ba9b1f11
RG		 132112012-01-18 Richard Guenther <rguenther@suse.de>
13212
13213 * c-opts.c (c_common_post_options): Reset LTO flags if
13214 we are about to generate a PCH.
13215
465406be
PC		 132162012-01-17 Paolo Carlini <paolo.carlini@oracle.com>
13217
13218 PR c++/51777
13219 * c-pretty-print.c (pp_c_integer_constant): For unsigned constants
13220 use pp_unsigned_wide_integer.
13221
aee15221
RG		 132222012-01-10 Richard Guenther <rguenther@suse.de>
13223
13224 PR middle-end/51806
13225 * c-opts.c (c_common_handle_option): Move -Werror handling
13226 to language independent code.
13227
5720c0dc
RG		 132282012-01-05 Richard Guenther <rguenther@suse.de>
13229
13230 PR middle-end/51764
13231 * c.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move here
13232 from common.opt.
13233
73ac190a
PC		 132342011-12-30 Paolo Carlini <paolo.carlini@oracle.com>
13235
13236 PR c++/51316
13237 * c-common.c (c_sizeof_or_alignof_type): In C++ allow for alignof
13238 of array types with an unknown bound.
13239
48b0b196
JM		 132402011-12-20 Joseph Myers <joseph@codesourcery.com>
13241
13242 * c-common.c (flag_isoc99): Update comment to refer to C11.
13243 (flag_isoc1x): Change to flag_isoc11.
13244 * c-common.h (flag_isoc99): Update comment to refer to C11.
13245 (flag_isoc1x): Change to flag_isoc11.
13246 * c-cppbuiltin.c (cpp_atomic_builtins): Change comment to refer to
13247 C11.
13248 * c-opts.c (set_std_c1x): Change to set_std_c11.
13249 (c_common_handle_option): Handle OPT_std_c11 and OPT_std_gnu11.
13250 Call set_std_c11.
13251 (set_std_c89, set_std_c99, set_std_c11): Use flag_isoc11.
13252 (set_std_c1): Use CLK_STDC11 and CLK_GNUC11.
13253 * c.opt (std=c1x): Change to std=c11. Document as non-draft
13254 standard.
13255 (std=c1x, std=iso9899:2011): Add as aliases of std=c11.
13256 (std=gnu1x): Change to std=gnu11. Refer to non-draft standard.
13257 (std=gnu1x): Make alias of std=gnu11.
13258
d58d6eb5
JM		 132592011-12-19 Jason Merrill <jason@redhat.com>
13260
13261 PR c++/51228
13262 * c-common.c (handle_transparent_union_attribute): Check the first
13263 field if the type is complete.
13264
b3908fcc
JW		 132652011-12-15 Jonathan Wakely <jwakely.gcc@gmail.com>
13266
13267 PR libstdc++/51365
13268 * c-common.c (RID_IS_FINAL): Add.
13269 * c-common.h (RID_IS_FINAL): Add.
13270
fea3ca91
IS		 132712011-11-30 Iain Sandoe <iains@gcc.gnu.org>
13272
13273 * c.opt (fgnu-runtime): Provide full description.
13274 (fnext-runtime): Likewise.
13275 * c-opts.c (OPT_fgnu_runtime, OPT_fnext_runtime) Remove.
13276
62bad7cd
AM		 132772011-11-28 Andrew MacLeod <amacleod@redhat.com>
13278
13279 * c-cpp-builtin.c (cpp_atomic_builtins):New. Emit all atomic
13280 predefines in one place. Add LOCK_FREE predefines.
13281 (c_cpp_builtins): Move Legacy HAVE_SYNC predefines to
13282 new func.
13283
c466c4ff
AM		 132842011-11-24 Andrew MacLeod <amacleod@redhat.com>
13285
13286 PR c/51256
9faeb493 13287 * c-common.c (get_atomic_generic_size): Check for various error
c466c4ff 13288 conditions
9faeb493
UB		 13289 (resolve_overloaded_atomic_exchange,
13290 resolve_overloaded_atomic_compare_exchange,
c466c4ff
AM		 13291 resolve_overloaded_atomic_load, resolve_overloaded_atomic_store): Return
13292 error_mark_node for error conditions.
9faeb493 13293
a5952633
RG		 132942011-11-08 Richard Guenther <rguenther@suse.de>
13295
13296 PR middle-end/51010
ab20d992 13297 * c-pretty-print.c (pp_c_expression): Handle SSA_NAMEs.
a5952633 13298
0a35513e
AH		 132992011-11-07 Richard Henderson <rth@redhat.com>
13300 Aldy Hernandez <aldyh@redhat.com>
13301 Torvald Riegel <triegel@redhat.com>
13302
13303 Merged from transactional-memory.
13304
13305 * c-common.c (handle_tm_wrap_attribute,
13306 handle_tm_attribute, ignore_attribute, parse_tm_stmt_attr): New.
13307 (struct c_common_reswords): Added __transaction* keywords.
13308 (struct c_common_attribute_table): Added transaction* and tm_regparm
13309 attributes.
13310 * c-common.h: Added RID_TRANSACTION*. Added TM_ATTR* and TM_STMT*
13311 masks.
13312 (parse_tm_stmt_attr, tm_attr_to_mask, tm_mask_to_attr,
13313 find_tm_attribute): Declare.
13314
6d87092d
JM		 133152011-11-07 Jason Merrill <jason@redhat.com>
13316
13317 PR c++/35688
13318 * c-common.c, c-common.h: Revert yesterday's changes.
13319
8e7860a1
JM		 133202011-11-06 Jason Merrill <jason@redhat.com>
13321
13322 PR c++/35688
13323 * c-common.c (decl_has_visibility_attr): Split out from...
13324 (c_determine_visibility): ...here.
13325 * c-common.h: Declare it.
13326
d19fa6b5
JM		 133272011-11-06 Joseph Myers <joseph@codesourcery.com>
13328
13329 * c-common.c (c_common_reswords): Add _Alignas and _Alignof.
13330 (c_sizeof_or_alignof_type): Diagnose alignof applied to a function
13331 type.
13332 (check_user_alignment): New. Split out of
13333 handle_aligned_attribute. Disallow integer constants with
13334 noninteger types. Conditionally allow zero.
13335 (handle_aligned_attribute): Use check_user_alignment.
13336 * c-common.h (RID_ALIGNAS, check_user_alignment): New.
13337
86951993
AM		 133382011-11-06 Andrew MacLeod <amacleod@redhat.com>
13339 Richard Henderson <rth@redhat.com>
13340
13341 Merged from cxx-mem-model.
13342
13343 * c-cppbuiltin.c (c_cpp_builtins): Test both atomic and sync patterns.
9faeb493 13344 * c-common.c (sync_resolve_params, sync_resolve_return): Only tweak
86951993
AM		 13345 parameters that are the same type size.
13346 (get_atomic_generic_size): New. Find size of generic
13347 atomic function parameters and do typechecking.
13348 (add_atomic_size_parameter): New. Insert size into parameter list.
13349 (resolve_overloaded_atomic_exchange): Restructure __atomic_exchange to
13350 either __atomic_exchange_n or external library call.
9faeb493 13351 (resolve_overloaded_atomic_compare_exchange): Restructure
86951993 13352 __atomic_compare_exchange to either _n variant or external library call.
9faeb493 13353 (resolve_overloaded_atomic_load): Restructure __atomic_load to either
86951993
AM		 13354 __atomic_load_n or an external library call.
13355 (resolve_overloaded_atomic_store): Restructure __atomic_store to either
13356 __atomic_store_n or an external library call.
13357 (resolve_overloaded_builtin): Handle new __atomic builtins.
13358
cf9e9959
EB		 133592011-11-04 Eric Botcazou <ebotcazou@adacore.com>
13360
13361 PR c++/50608
13362 * c-common.c (c_fully_fold_internal) <ADDR_EXPR>: Call fold_offsetof_1.
13363 (fold_offsetof_1): Make global. Remove STOP_REF argument and adjust.
13364 <INDIRECT_REF>: Return the argument.
13365 <ARRAY_REF>: Remove special code for negative offset.
13366 Call fold_build_pointer_plus instead of size_binop.
13367 (fold_offsetof): Remove STOP_REF argument and adjust.
13368 * c-common.h (fold_offsetof_1): Declare.
13369 (fold_offsetof): Remove STOP_REF argument.
13370
25339f10
JM		 133712011-11-02 Paolo Carlini <paolo.carlini@oracle.com>
13372
13373 PR c++/50810
13374 * c-opts.c (c_common_handle_option): Enable -Wnarrowing as part
13375 of -Wall; include -Wnarrowing in -Wc++0x-compat; adjust default
13376 Wnarrowing for C++0x and C++98.
13377 * c.opt ([Wnarrowing]): Update.
13378
89401152
PC		 133792011-11-01 Paolo Carlini <paolo.carlini@oracle.com>
13380
13381 PR c++/44277
13382 * c.opt: Add Wzero-as-null-pointer-constant.
13383
97e3ad20
JM		 133842011-10-31 Jason Merrill <jason@redhat.com>
13385
15694fdd
JM		 13386 * c.opt (-fdeduce-init-list): Off by default.
13387
97e3ad20
JM		 13388 PR c++/50920
13389 * c-common.h (cxx_dialect): Add cxx11 and cxx03.
13390 * c.opt: Add -std=c++11, -std=gnu++11, -std=gnu++03,
13391 and -Wc++11-compat.
13392 * c-opts.c (set_std_cxx11): Rename from set_std_cxx0x.
13393
fb9120e3
RAV		 133942011-10-27 Roberto Agostino Vitillo <ravitillo@lbl.gov>
13395
13396 PR c++/30066
13397 * c.opt (fvisibility-inlines-hidden): Description change.
13398
3ce4f9e4
ESR		 133992011-10-26 Ed Smith-Rowland <3dw4rd@verizon.net>
13400
13401 Implement C++11 user-defined literals.
13402 * c-common.c (build_userdef_literal): New.
13403 * c-common.def: New tree code.
13404 * c-common.h (tree_userdef_literal): New tree struct and accessors.
13405 * c-lex.c (interpret_float): Add suffix parm.
13406 (c_lex_with_flags): Build literal tokens.
13407
5f53c243
PC		 134082011-10-23 Paolo Carlini <paolo.carlini@oracle.com>
13409
13410 PR c++/50841
13411 Revert:
13412 2011-10-23 Paolo Carlini <paolo.carlini@oracle.com>
13413
13414 PR c++/50810
13415 * c-opts.c (c_common_handle_option): Enable -Wnarrowing as part
13416 of -Wall; include -Wnarrowing in -Wc++0x-compat; adjust default
13417 Wnarrowing for C++0x and C++98.
13418 * c.opt ([Wnarrowing]): Update.
13419
263734e1
PC		 134202011-10-23 Paolo Carlini <paolo.carlini@oracle.com>
13421
13422 PR c++/50810
13423 * c-opts.c (c_common_handle_option): Enable -Wnarrowing as part
13424 of -Wall; include -Wnarrowing in -Wc++0x-compat; adjust default
13425 Wnarrowing for C++0x and C++98.
13426 * c.opt ([Wnarrowing]): Update.
13427
d2e312d7
PC		 134282011-10-21 Paolo Carlini <paolo.carlini@oracle.com>
13429
13430 PR c++/45385
13431 * c-common.c (conversion_warning): Remove code looking for
13432 artificial operands.
13433
d17687f6
DS		 134342011-10-18 Dodji Seketeli <dodji@redhat.com>
13435
13436 PR bootstrap/50760
13437 * c-lex.c (fe_file_change): Use LINEMAP_SYSP when
9faeb493 13438 !NO_IMPLICIT_EXTERN_C.
d17687f6 13439
fc8396e9
PC		 134402011-10-17 Michael Spertus <mike_spertus@symantec.com>
13441
13442 * c-common.c (c_common_reswords): Add __bases,
13443 __direct_bases.
13444 * c-common.h: Add RID_BASES and RID_DIRECT_BASES.
13445
134462011-10-17 Paolo Carlini <paolo.carlini@oracle.com>
13447
13448 PR c++/50757
13449 * c.opt ([Wnonnull]): Add C++ and Objective-C++.
13450
847e697a
TT		 134512011-10-15 Tom Tromey <tromey@redhat.com>
13452 Dodji Seketeli <dodji@redhat.com>
13453
13454 * c.opt (fdebug-cpp): New option.
13455 * c-opts.c (c_common_handle_option): Handle the option.
13456 * c-ppoutput.c (maybe_print_line_1): New static function. Takes an
13457 output stream in parameter. Factorized from ...
13458 (maybe_print_line): ... this. Dump location debug information when
13459 -fdebug-cpp is in effect.
13460 (print_line_1): New static function. Takes an output stream in
13461 parameter. Factorized from ...
13462 (print_line): ... here. Dump location information when -fdebug-cpp
13463 is in effect.
13464 (scan_translation_unit): Dump location information when
13465 -fdebug-cpp is in effect.
13466
92582b75
TT		 134672011-10-15 Tom Tromey <tromey@redhat.com>
13468 Dodji Seketeli <dodji@redhat.com>
13469
13470 * c.opt (ftrack-macro-expansion): New option. Handle it with and
13471 without argument.
13472 * c-opts.c (c_common_handle_option)<case
13473 OPT_ftrack_macro_expansion_, case OPT_ftrack_macro_expansion>: New
13474 cases. Handle -ftrack-macro-expansion with and without argument.
13475
46427374
TT		 134762011-10-15 Tom Tromey <tromey@redhat.com>
13477 Dodji Seketeli <dodji@redhat.com>
13478
13479 * c-ppoutput.c (scan_translation_unit, maybe_print_line)
13480 (print_line, cb_define, do_line_change): Adjust to avoid touching
13481 the internals of struct line_map. Use the public API instead.
13482 * c-pch.c (c_common_read_pch): Likewise.
13483 * c-lex.c (fe_file_change): Likewise.
13484
fc8396e9
PC		 134852011-10-14 Paolo Carlini <paolo.carlini@oracle.com>
13486
13487 PR c++/17212
13488 * c.opt ([Wformat-zero-length]): Add C++ and Objective-C++.
13489
134902011-10-11 Paolo Carlini <paolo.carlini@oracle.com>
13491
13492 PR c++/33067
13493 * c-pretty-print.c (pp_c_floating_constant): Output
13494 max_digits10 (in the ISO C++ WG N1822 sense) decimal digits.
13495
e79983f4
MM		 134962011-10-11 Michael Meissner <meissner@linux.vnet.ibm.com>
13497
13498 * c-common.c (def_builtin_1): Delete old interface with two
13499 parallel arrays to hold standard builtin declarations, and replace
13500 it with a function based interface that can support creating
13501 builtins on the fly in the future. Change all uses, and poison
13502 the old names. Make sure 0 is not a legitimate builtin index.
13503 * c-omp.c (c_finish_omp_barrier): Ditto.
13504 (c_finish_omp_taskwait): Ditto.
13505 (c_finish_omp_flush): Ditto.
13506
6637388f
TG		 135072011-10-11 Tristan Gingold <gingold@adacore.com>
13508
13509 * c.opt: (fallow-parameterless-variadic-functions): New.
13510
3797cb21
DS		 135112011-09-08 Dodji Seketeli <dodji@redhat.com>
13512
13513 PR c++/33255 - Support -Wunused-local-typedefs warning
13514 * c-common.h (struct c_language_function::local_typedefs): New
13515 field.
9faeb493
UB		 13516 (record_locally_defined_typedef, maybe_record_typedef_use)
13517 (maybe_warn_unused_local_typedefs): Declare new functions.
3797cb21 13518 * c-common.c (record_locally_defined_typedef)
9faeb493
UB		 13519 (maybe_record_typedef_use)
13520 (maybe_warn_unused_local_typedefs): Define new functions.
3797cb21
DS		 13521 * c.opt: Declare new -Wunused-local-typedefs flag.
13522
693ddb1b
EB		 135232011-09-06 Eric Botcazou <ebotcazou@adacore.com>
13524
13525 PR middle-end/50266
13526 * c-common.c (c_fully_fold_internal) <ADDR_EXPR>: Fold offsetof-like
13527 computations.
13528
830c740f
RG		 135292011-09-05 Richard Guenther <rguenther@suse.de>
13530
13531 * c-common.c (complete_array_type): Use ssize_int (-1) instead
13532 of integer_minus_one_node for empty array upper bounds.
13533
892a371f
DS		 135342011-08-28 Dodji Seketeli <dodji@redhat.com>
13535
13536 * c-pch.c (c_common_read_pch): Call linemap_add with LC_ENTER as
13537 it's the first time it's being called on this main TU.
13538
0e3fdb48
RB		 135392011-08-24 Richard Guenther <rguenther@suse.de>
13540
13541 PR c/49396
13542 * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Fix conditional.
13543
135442011-08-22 Gabriel Charette <gchare@google.com>
e3dfef44
GC		 13545
13546 * c-opts.c (c_finish_options): Force BUILTINS_LOCATION for tokens
13547 defined in cpp_init_builtins and c_cpp_builtins.
13548
d4a83c10
JM		 135492011-08-19 Joseph Myers <joseph@codesourcery.com>
13550
13551 * c-common.c (c_common_reswords): Add __builtin_complex.
13552 * c-common.h (RID_BUILTIN_COMPLEX): New.
13553
bbceee64
JM		 135542011-08-18 Joseph Myers <joseph@codesourcery.com>
13555
13556 * c-common.c (c_common_reswords): Add _Noreturn.
13557 (keyword_is_function_specifier): Handle RID_NORETURN.
13558 * c-common.h (RID_NORETURN): New.
13559
3f8257db 135602011-08-10 Artjoms Sinkarovs <artyom.shinakroff@gmail.com>
0e3a99ae
AS		 13561
13562 * c-common.c (unsafe_conversion_p): New function. Check if it is
13563 unsafe to convert an expression to the type.
13564 (conversion_warning): Adjust, use unsafe_conversion_p.
13565 * c-common.h (unsafe_conversion_p): New function declaration.
13566
20906c66
JJ		 135672011-08-02 Jakub Jelinek <jakub@redhat.com>
13568
13569 * c-common.h (c_finish_omp_atomic): Adjust prototype.
13570 (c_finish_omp_taskyield): New prototype.
13571 * c-omp.c (c_finish_omp_atomic): Add OPCODE, V, LHS1 and RHS1
13572 arguments. Handle OMP_ATOMIC_READ, OMP_ATOMIC_CAPTURE_OLD and
13573 OMP_ATOMIC_CAPTURE_NEW in addition to OMP_ATOMIC. If LHS1
13574 or RHS1 have side-effects, evaluate those too in the right spot,
13575 if it is a decl and LHS is also a decl, error out if they
13576 aren't the same.
13577 (c_finish_omp_taskyield): New function.
13578 * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP to 201107.
13579 * c-pragma.c (omp_pragmas): Add taskyield.
13580 * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_TASKYIELD.
13581 (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_FINAL and
13582 PRAGMA_OMP_CLAUSE_MERGEABLE.
13583
770e5a2e
DS		 135842011-07-25 Dodji Seketeli <dodji@redhat.com>
13585
13586 * c-common.h (set_underlying_type): Remove parm name from
13587 declaration.
13588
1baae426
RG		 135892011-07-25 Romain Geissler <romain.geissler@gmail.com>
13590
13591 * c-pretty-print.h: Search c-common.h in c-family.
9faeb493 13592
fcb21722
JM		 135932011-07-22 Jason Merrill <jason@redhat.com>
13594
76f86d00
JM		 13595 PR c++/49793
13596 * c.opt (Wnarrowing): New.
13597
3a636414
JM		 13598 PR c++/30112
13599 * c-common.h: Declare c_linkage_bindings.
13600 * c-pragma.c (handle_pragma_redefine_extname): Use it.
13601
fcb21722
JM		 13602 PR c++/49813
13603 * c-opts.c (set_std_cxx0x): Set flag_isoc94 and flag_isoc99.
13604 * c-pretty-print.c (pp_c_cv_qualifiers): Check c_dialect_cxx as well
13605 as flag_isoc99 for 'restrict'.
13606 (pp_c_specifier_qualifier_list): Likewise for _Complex.
13607
02614448
ILT		 136082011-07-21 Ian Lance Taylor <iant@google.com>
13609
13610 PR middle-end/49705
13611 * c-common.c (c_disable_warnings): New static function.
13612 (c_enable_warnings): New static function.
13613 (c_fully_fold_internal): Change local unused_p to bool. Call
13614 c_disable_warnings and c_enable_warnings rather than change
13615 c_inhibit_evaluation_warnings.
13616
34429675
JM		 136172011-07-20 Jason Merrill <jason@redhat.com>
13618
13619 PR c++/6709 (DR 743)
13620 PR c++/42603 (DR 950)
13621 * c-common.h (CPP_KEYWORD, CPP_TEMPLATE_ID): Move from cp/parser.h.
13622 (CPP_NESTED_NAME_SPECIFIER, N_CP_TTYPES): Likewise.
13623 (CPP_DECLTYPE): New.
13624 * c-common.c (c_parse_error): Handle CPP_DECLTYPE.
13625
5d49b6a7
RG		 136262011-07-19 Richard Guenther <rguenther@suse.de>
13627
13628 * c-common.c (pointer_int_sum): Use fold_build_pointer_plus.
13629 * c-omp.c (c_finish_omp_for): Likewise.
13630
e84a58ff
EB		 136312011-07-12 Eric Botcazou <ebotcazou@adacore.com>
13632
13633 * c-ada-spec.c (dump_nested_types): Put semi-colon after empty loop
13634 body on the next line.
13635
329af3c7
JM		 136362011-07-08 Jason Merrill <jason@redhat.com>
13637
4063e61b
JM		 13638 PR c++/45437
13639 * c-omp.c (check_omp_for_incr_expr): Handle preevaluation.
13640
329af3c7
JM		 13641 PR c++/49673
13642 * c-common.c (c_apply_type_quals_to_decl): Don't check
13643 TYPE_NEEDS_CONSTRUCTING.
13644
1a072294
RG		 136452011-07-06 Richard Guenther <rguenther@suse.de>
13646
13647 * c-common.c (c_common_nodes_and_builtins):
13648 Merge calls to build_common_tree_nodes and build_common_tree_nodes_2.
13649
fce5dddd
RG		 136502011-07-05 Richard Guenther <rguenther@suse.de>
13651
13652 * c-common.c (c_common_nodes_and_builtins): Build all common
13653 tree nodes first.
13654
45d439ac
JJ		 136552011-06-27 Jakub Jelinek <jakub@redhat.com>
13656
56300785
JJ		 13657 * c-common.h (c_tree_chain_next): New static inline function.
13658
45d439ac
JJ		 13659 * c-common.c (check_builtin_function_arguments): Handle
13660 BUILT_IN_ASSUME_ALIGNED.
13661
e0a8ecf2
AM		 136622011-06-21 Andrew MacLeod <amacleod@redhat.com>
13663
13664 * c-common.c: Add sync_ or SYNC__ to builtin names.
13665 * c-omp.c: Add sync_ or SYNC__ to builtin names.
dfb43cd5
PV		 13666
136672011-06-20 Pierre Vittet <piervit@pvittet.com>
13668
13669 * c-pragma.h (pragma_handler_1arg, pragma_handler_2arg): New
13670 handler.
13671 (gen_pragma_handler): New union.
13672 (internal_pragma_handler): New type.
13673 (c_register_pragma_with_data)
13674 (c_register_pragma_with_expansion_and_data): New functions.
13675
13676 * c-pragma.c (registered_pragmas, c_register_pragma_1)
13677 (c_register_pragma, c_register_pragma_with_expansion)
13678 (c_invoke_pragma_handler): Changed to work with
13679 internal_pragma_handler.
13680 (c_register_pragma_with_data)
13681 (c_register_pragma_with_expansion_and_data): New functions.
13682
677f3fa8
JM		 136832011-06-14 Joseph Myers <joseph@codesourcery.com>
13684
13685 * c-common.c: Include common/common-target.h.
13686 (handle_section_attribute): Use
13687 targetm_common.have_named_sections.
13688 * c-cppbuiltin.c: Include common/common-target.h.
13689 (c_cpp_builtins): Use targetm_common.except_unwind_info.
13690
d7fc8c14
RG		 136912011-06-10 Richard Guenther <rguenther@suse.de>
13692
13693 * c-pretty-print.c (pp_c_type_specifier): Use pp_c_identifier
13694 to print a IDENTIFIER_NODE.
13695
10e48e39
RO		 136962011-06-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
13697 Joseph Myers <joseph@codesourcery.com>
13698
13699 * c.opt (fbuilding-libgcc): New option.
13700 * c-cppbuiltin.c (c_cpp_builtins): Define
13701 __LIBGCC_TRAMPOLINE_SIZE__ if flag_building_libgcc.
13702
6976ae51
JM		 137032011-06-07 Jason Merrill <jason@redhat.com>
13704
3ff60975
JM		 13705 * c-common.c (max_tinst_depth): Lower default to 900.
13706
6976ae51
JM		 13707 * c-format.c (gcc_cxxdiag_char_table): Add 'S' format.
13708
009db074
RG		 137092011-06-07 Richard Guenther <rguenther@suse.de>
13710
13711 * c-common.c (c_common_nodes_and_builtins): Do not set
13712 size_type_node or call set_sizetype.
13713
b4592b92
DS		 137142011-06-07 Dodji Seketeli <dodji@redhat.com>
13715
13716 PR debug/49130
13717 * c-pretty-print.c (pp_c_integer_constant): Consider the canonical
9faeb493 13718 type when using pointer comparison to compare types.
b4592b92 13719
014ab419
JW		 137202011-06-02 Jonathan Wakely <jwakely.gcc@gmail.com>
13721
13722 * c.opt: Add -Wdelete-non-virtual-dtor.
13723 * c-opts.c (c_common_handle_option): Include it in -Wall.
13724
4f60111f
NF		 137252011-05-30 Nathan Froyd <froydnj@gcc.gnu.org>
13726
13727 PR bootstrap/49190
13728
13729 Revert:
13730 2011-05-26 Nathan Froyd <froydnj@codesourcery.com>
13731
13732 * c-common.h (struct c_common_identifier): Inherit from tree_typed,
13733 not tree_common.
13734
4cc4f2f4
JJ		 137352011-05-27 Jakub Jelinek <jakub@redhat.com>
13736
13737 PR c++/49165
13738 * c-common.c (c_common_truthvalue_conversion) <case COND_EXPR>: For
13739 C++ don't call c_common_truthvalue_conversion on void type arms.
13740
38e01f9e
NF		 137412011-05-27 Nathan Froyd <froydnj@codesourcery.com>
13742
13743 * c-common.h (struct stmt_tree_s) [x_cur_stmt_list]: Change to a VEC.
13744 (stmt_list_stack): Define.
13745 (cur_stmt_list): Adjust for new type of x_cur_stmt_list.
13746 * c-semantics.c (push_stmt_list, pop_stmt_list): Likewise.
13747
92e948a8
NF		 137482011-05-26 Nathan Froyd <froydnj@codesourcery.com>
13749
13750 * c-common.c (warning_candidate_p): Check for BLOCKs.
13751
a2fc3e63
NF		 137522011-05-26 Nathan Froyd <froydnj@codesourcery.com>
13753
13754 * c-common.h (struct c_common_identifier): Inherit from tree_typed,
13755 not tree_common.
13756
0957c029
JJ		 137572011-05-25 Jakub Jelinek <jakub@redhat.com>
13758
13759 * c-common.c (def_fn_type): Remove extra va_end.
13760
828fb3ba
JM		 137612011-05-23 Jason Merrill <jason@redhat.com>
13762
13763 PR c++/48106
13764 * c-common.c (c_common_get_narrower): New.
13765 (shorten_binary_op, shorten_compare, warn_for_sign_compare): Use it.
13766
dde05067
NF		 137672011-05-23 Nathan Froyd <froydnj@codesourcery.com>
13768
13769 * c-common.h (check_function_arguments): Tweak prototype of
13770 check_function_arguments.
13771 * c-common.c (check_function_arguments): Likewise. Adjust
13772 calls to check_function_nonnull, check_function_format, and
13773 check_function_sentinel.
13774 (check_function_sentinel): Take a FUNCTION_TYPE rather than
13775 separate attributes and typelist arguments. Use
13776 FOREACH_FUNCTION_ARGS to iterate over argument types.
13777
3c0d13bf
PC		 137782011-05-15 Paolo Carlini <paolo.carlini@oracle.com>
13779
13780 * c-common.c (c_common_reswords): Reorder.
13781 * c-common.h (rid): Likewise.
13782
8242dd04
NF		 137832011-05-10 Nathan Froyd <froydnj@codesourcery.com>
13784
13785 * c-common.c (def_fn_type): Don't call build_function_type, call
13786 build_function_type_array or build_varargs_function_type_array
13787 instead.
13788 (c_common_nodes_and_builtins): Likewise.
13789
3d528853
NF		 137902011-05-05 Nathan Froyd <froydnj@codesourcery.com>
13791
13792 * c-common.c (c_add_case_label): Omit the loc argument to
13793 build_case_label.
13794 * c-common.h (build_case_label): Remove.
13795 * c-semantics.c (build_case_label): Remove.
13796
a04a722b
JM		 137972011-05-05 Joseph Myers <joseph@codesourcery.com>
13798
13799 * c-objc.h (objc_start_method_definition): Update prototype.
13800 * stub-objc.c (objc_start_method_definition): Add extra parameter.
13801
e19a18d4
NF		 138022011-05-04 Nathan Froyd <froydnj@codesourcery.com>
13803
13804 * c-common.c (check_main_parameter_types): Reindent. Don't use
13805 TYPE_ARG_TYPES directly.
13806 (handle_nonnull_attribute): Likewise.
13807 (sync_resolve_params): Likewise.
13808 * c-format.c (handle_format_arg_attribute): Likewise. Adjust call
13809 to check_format_string.
13810 (handle_format_attribute): Likewise.
13811 (check_format_string): Take a function type to examine instead of
13812 a type list. Use a function_arg_iterator to step through argument
13813 types.
13814
c62c040f
RG		 138152011-05-04 Richard Guenther <rguenther@suse.de>
13816
13817 * c-common.c (fix_string_type): Use size_int for index type bounds.
13818 (start_fname_decls): Do not pass NULL to build_int_cst.
13819 (c_init_attributes): Likewise.
13820 * c-lex.c (c_lex_with_flags): Likewise.
13821
c12ff9d8
JM		 138222011-04-27 Jason Merrill <jason@redhat.com>
13823
13824 * c-common.c (make_tree_vector_from_list): New.
13825 * c-common.h: Declare it.
13826
304dfbe3
RG		 138272011-04-26 Richard Guenther <rguenther@suse.de>
13828
13829 PR preprocessor/48248
13830 * c-ppoutput.c (maybe_print_line): Always optimize newlines
13831 for output size with -P.
13832
3c0d13bf
PC		 138332011-04-25 Paolo Carlini <paolo.carlini@oracle.com>
13834
13835 * c-common.c (struct c_common_resword): Add __underlying_type.
13836 * c-common.h (enum rid): Add RID_UNDERLYING_TYPE.
13837
04695783
JM		 138382011-04-20 Jim Meyering <meyering@redhat.com>
13839
13840 * c-format.c (init_dollar_format_checking): Remove useless
13841 if-before-free.
13842
0dc33c3c
NP		 138432011-04-15 Nicola Pero <nicola.pero@meta-innovation.com>
13844
13845 * c-objc.h (objc_get_interface_ivars): Removed.
3c0d13bf 13846 (objc_detect_field_duplicates): New.
0dc33c3c 13847 * stub-objc.c: Likewise.
3c0d13bf 13848
c59633d9
NP		 138492011-04-14 Nicola Pero <nicola.pero@meta-innovation.com>
13850
13851 * stub-objc.c (objc_declare_protocols): Renamed to
13852 objc_declare_protocol.
13853 * c-objc.h: Likewise.
3c0d13bf 13854
32dabdaf
NP		 138552011-04-14 Nicola Pero <nicola.pero@meta-innovation.com>
13856
13857 * stub-objc.c (objc_declare_class): Updated argument name.
13858
81f653d6
NF		 138592011-04-12 Nathan Froyd <froydnj@codesourcery.com>
13860
13861 * c-common.h (c_common_init_ts): Declare.
13862 * c-common.c (c_common_init_ts): Define.
13863
eb345401
NP		 138642011-04-12 Nicola Pero <nicola.pero@meta-innovation.com>
13865
13866 * c-objc.h (objc_build_message_expr): Updated prototype.
13867 * stub-objc.c (objc_build_message_expr): Likewise.
9faeb493 13868
a358e188
MJ		 138692011-04-12 Martin Jambor <mjambor@suse.cz>
13870
13871 * c-gimplify.c (c_genericize): Call cgraph_get_create_node instead
13872 of cgraph_node.
13873
e6313a78
RG		 138742011-04-11 Richard Guenther <rguenther@suse.de>
13875
13876 * c-common.c (complete_array_type): Build a range type of
13877 proper type.
13878
dcf0c47e
NF		 138792011-04-08 Nathan Froyd <froydnj@codesourcery.com>
13880
13881 * c-common.c (handle_sentinel_attribute): Don't use TYPE_ARG_TYPES.
13882 (handle_type_generic_attribute): Likewise.
13883
1ee44b26
JM		 138842011-04-07 Jason Merrill <jason@redhat.com>
13885
13886 PR c++/48450
13887 * c-common.c (c_common_truthvalue_conversion): Don't ignore
13888 conversion from C++0x scoped enum.
13889
acce4e77
JM		 138902011-04-06 Joseph Myers <joseph@codesourcery.com>
13891
13892 * c-target-def.h: New file.
13893 * c-target.def: New file.
13894 * c-target.h: New file.
13895 * c-common.c (targetcm): Don't define here.
13896 * c-common.h (default_handle_c_option): Declare.
13897 * c-format.c: Include c-target.h instead of target.h.
13898 * c-opts.c: Include c-target.h instead of target.h. Explicitly
13899 include tm.h.
13900 (default_handle_c_option): Move from targhooks.c.
13901
e2eefb55
JJ		 139022011-03-29 Jakub Jelinek <jakub@redhat.com>
13903
13904 PR preprocessor/48248
13905 * c-ppoutput.c (print): Add src_file field.
13906 (init_pp_output): Initialize it.
13907 (maybe_print_line): Don't optimize by adding up to 8 newlines
13908 if map->to_file and print.src_file are different file.
13909 (print_line): Update print.src_file.
13910
ba78087b
KT		 139112011-03-25 Kai Tietz <ktietz@redhat.com>
13912
13913 * c-ada-spec.c (compare_comment): Use filename_cmp
13914 instead of strcmp for filename.
13915
0edf1bb2
JL		 139162011-03-25 Jeff Law <law@redhat.com>
13917
adfac8df 13918 * c-common.c (def_fn_type): Add missing va_end.
0edf1bb2 13919
c7dc8804
JM		 139202011-03-25 Jason Merrill <jason@redhat.com>
13921
13922 * c.opt: Add -std=c++03.
13923
d1d879b1
EB		 139242011-03-22 Eric Botcazou <ebotcazou@adacore.com>
13925
13926 * c-ada-spec.c (dump_ada_template): Skip non-class instances.
13927
3f8257db 139282011-03-17 Kai Tietz <ktietz@redhat.com>
62d784f7
KT		 13929
13930 PR target/12171
5050afdf
KT		 13931 * c-pretty-print.c (pp_c_specifier_qualifier_list):
13932 Display allowed attributes for function pointer types.
13933 (pp_c_attributes_display): New function to display
13934 attributes having affects_type_identity flag set to true.
13935 * c-pretty-print.h (pp_c_attributes_display): New prototype.
13936
62d784f7
KT		 13937 * c-common.c (c_common_attribute_table):
13938 Add new element.
13939 (c_common_format_attribute_table): Likewise.
13940
82d37118
JM		 139412011-03-18 Jason Merrill <jason@redhat.com>
13942
49a000c3
JM		 13943 * c.opt (fconstexpr-depth): Add Var(max_constexpr_depth).
13944 * c-common.h: Don't declare it here.
13945 * c-common.c: Or define it here.
13946 * c-opts.c (c_common_handle_option): Or set it here.
13947
82d37118
JM		 13948 PR c++/35315
13949 * c-common.c (handle_transparent_union_attribute): Don't
13950 make a duplicate type in C++.
13951
17bc631c
JM		 139522011-03-15 Jason Merrill <jason@redhat.com>
13953
13954 * c-common.c (max_constexpr_depth): New.
13955 * c-common.h: Declare it.
13956 * c-opts.c (c_common_handle_option): Set it.
13957 * c.opt (fconstexpr-depth): New option.
13958
1b9b91a6
JM		 139592011-03-11 Jason Merrill <jason@redhat.com>
13960
f231b5ff
JM		 13961 * c-common.c (attribute_takes_identifier_p): Add missing const.
13962
1b9b91a6
JM		 13963 PR c++/46803
13964 * c-common.c (attribute_takes_identifier_p): Assume that an
13965 unknown attribute takes an identifier.
13966
a19e4d44
NF		 139672011-03-07 Nathan Froyd <froydnj@codesourcery.com>
13968
13969 PR c/47786
13970 * c-common.c (c_type_hash): Call list_length instead of iterating
13971 through DECL_CHAIN. Rename 'i' to 'n_elements'.
13972
982d62f6
JJ		 139732011-02-19 Jakub Jelinek <jakub@redhat.com>
13974
13975 PR c/47809
13976 * c-common.c (c_fully_fold_internal): Handle VIEW_CONVERT_EXPR.
13977
0a256240
NP		 139782011-02-17 Iain Sandoe <iains@gcc.gnu.org>
13979
13980 * c.opt (fobjc-abi-version=) New.
13981 (fobjc-nilcheck): New.
13982
ba9e6dd5
NF		 139832011-02-03 Nathan Froyd <froydnj@codesourcery.com>
13984
13985 PR c++/46890
13986 * c-common.h (keyword_is_decl_specifier): Declare.
13987 * c-common.c (keyword_is_decl_specifier): Define.
13988 (keyword_is_function_specifier): New function.
13989
7273813a
JJ		 139902011-01-26 Jakub Jelinek <jakub@redhat.com>
13991
13992 PR c/47473
13993 * c-lex.c (interpret_float): If CPP_N_IMAGINARY, ensure
13994 EXCESS_PRECISION_EXPR is created with COMPLEX_TYPE instead of
13995 REAL_TYPE.
13996
908ef79b
AC		 139972011-01-26 Arnaud Charlet <charlet@adacore.com>
13998
13999 * c-ada-spec.c (dump_generic_ada_node): Avoid dereferencing null type.
14000
237e9384
JJ		 140012011-01-26 Jakub Jelinek <jakub@redhat.com>
14002
14003 PR pch/47430
14004 * c-opts.c (c_common_post_options): Call c_common_no_more_pch
14005 after init_c_lex if pch_file is set.
14006
47ea1edf
DK		 140072011-01-26 Dave Korn <dave.korn.cygwin@gmail.com>
14008
d4dba752 14009 PR c++/43601
47ea1edf
DK		 14010 * c.opt (-fkeep-inline-dllexport): New switch.
14011
2aa9c6ae
RG		 140122011-01-12 Richard Guenther <rguenther@suse.de>
14013
14014 PR middle-end/32511
14015 * c-common.c (handle_weak_attribute): Warn instead of error
14016 on declaring an inline function weak.
14017
7bd11157
TT		 140182011-01-05 Tom Tromey <tromey@redhat.com>
14019
14020 * c-common.h (lvalue_error): Update.
14021 * c-common.c (lvalue_error): Add 'loc' argument. Call error_at,
14022 not error.
14023
0e66e494 140242010-12-29 Nicola Pero <nicola.pero@meta-innovation.com>
9faeb493 14025
b4f588c4
NP		 14026 PR objc/47075
14027 * c-objc.h (objc_finish_message_expr): Added argument to
14028 prototype.
14029
f4da8dce
NF		 140302010-12-22 Nathan Froyd <froydnj@codesourcery.com>
14031
14032 * c-common.c (handle_nonnull_attribute, handle_sentinel_attribute):
14033 Use prototype_p.
14034
46270f14
NP		 140352010-12-18 Nicola Pero <nicola.pero@meta-innovation.com>
14036
14037 * c-objc.h (objc_maybe_warn_exceptions): New.
9faeb493 14038 * stub-objc.c (objc_maybe_warn_exceptions): New.
46270f14 14039
4816c593
NF		 140402010-12-10 Nathan Froyd <froydnj@codesourcery.com>
14041
14042 * c-common.h (readonly_error): Declare.
14043 * c-common.c (readonly_error): Define.
14044
7a6daeb0
NF		 140452010-12-09 Nathan Froyd <froydnj@codesourcery.com>
14046
14047 * c-common.h (invalid_indirection_error): Declare.
14048 * c-common.c (invalid_indirection_error): Define.
14049
892f6119
RG		 140502010-12-03 Richard Guenther <rguenther@suse.de>
14051
14052 PR c/46745
14053 * c-pretty-print.c (pp_c_postfix_expression): Handle MEM_REF.
14054 (pp_c_unary_expression): Likewise.
14055 (pp_c_expression): Likewise.
14056
6c39e757
NP		 140572010-11-30 Nicola Pero <nicola.pero@meta-innovation.com>
14058
14059 * c-common.h (objc_finish_function): New.
14060 (objc_non_volatilized_type): Removed.
14061 (objc_type_quals_match): Removed.
14062 * stub-objc.c (objc_finish_function): New.
14063 (objc_non_volatilized_type): Removed.
14064 (objc_type_quals_match): Removed.
9faeb493 14065
7c475d11
JM		 140662010-11-30 Joseph Myers <joseph@codesourcery.com>
14067
14068 * c-common.h (parse_optimize_options): Declare.
14069 * c-cppbuiltin.c, c-format.c, c-gimplify.c, c-lex.c, c-omp.c,
14070 c-pch.c, c-pragma.c, c-semantics.c: Don't include toplev.h.
14071
71f3e391
JM		 140722010-11-29 Joseph Myers <joseph@codesourcery.com>
14073
14074 * c-opts.c (check_deps_environment_vars): Use getenv instead of
14075 GET_ENVIRONMENT.
14076 * c-pch.c (O_BINARY): Don't define here.
14077 * c-pragma.h: Include "cpplib.h" instead of <cpplib.h>.
14078
d5fabb58
JM		 140792010-11-25 Joseph Myers <joseph@codesourcery.com>
14080
14081 * c-cppbuiltin.c (c_cpp_builtins): Pass &global_options to
14082 targetm.except_unwind_info.
14083
299404a1
JM		 140842010-11-23 Joseph Myers <joseph@codesourcery.com>
14085
14086 * c-opts.c (c_common_handle_option): Pass location to
14087 set_struct_debug_option.
14088
c98cd5bf
JM		 140892010-11-23 Joseph Myers <joseph@codesourcery.com>
14090
14091 * c-common.c (visibility_options): Move from ../opts.c.
14092 * c-common.h (struct visibility_flags, visibility_options):
14093 Declare here.
14094 * c-opts.c (finish_options): Rename to c_finish_options.
14095 (c_common_init): Update call to finish_options.
14096
a9546771
NP		 140972010-11-22 Nicola Pero <nicola.pero@meta-innovation.com>
14098
14099 PR objc/34033
14100 * c-lex.c (lex_string): Check that each string in an Objective-C
14101 string concat sequence starts with either one or zero '@', and
14102 that there are no spurious '@' signs at the end.
14103
24a57808
JM		 141042010-11-20 Joseph Myers <joseph@codesourcery.com>
14105
14106 * c-pragma.c: Remove conditionals on HANDLE_PRAGMA_PACK,
14107 HANDLE_PRAGMA_PACK_PUSH_POP, HANDLE_PRAGMA_WEAK and
14108 HANDLE_PRAGMA_VISIBILITY.
14109 * c-pragma.h (HANDLE_PRAGMA_WEAK, HANDLE_PRAGMA_PACK,
14110 HANDLE_PRAGMA_VISIBILITY): Don't define.
14111 (HANDLE_SYSV_PRAGMA, HANDLE_PRAGMA_PACK_PUSH_POP): Don't test.
14112
a9aa2c3a
NF		 141132010-11-20 Nathan Froyd <froydnj@codesourcery.com>
14114
14115 PR c++/16189
14116 PR c++/36888
14117 PR c++/45331
14118 * c-common.h (keyword_begins_type_specifier): Declare.
14119 (keyword_is_storage_class_specifier): Declare.
14120 (keyword_is_type_qualifier): Declare.
14121 * c-common.c (keyword_begins_type_specifier): New function.
14122 (keyword_is_storage_class_specifier): New function.
14123 (keyword_is_type_qualifier): Declare.
14124
5386338c
JM		 141252010-11-19 Joseph Myers <joseph@codesourcery.com>
14126
14127 PR c/46547
14128 * c-common.c (in_late_binary_op): Define.
14129 (c_common_truthvalue_conversion): Check in_late_binary_op before
14130 calling c_save_expr.
14131 * c-common.h (in_late_binary_op): Declare.
14132
69ccdddb
JM		 141332010-11-19 Joseph Myers <joseph@codesourcery.com>
14134
14135 * c-opts.c (c_common_handle_option): Update calls to
14136 set_struct_debug_option.
14137
6b192a09
NP		 141382010-11-19 Nicola Pero <nicola.pero@meta-innovation.com>
14139
14140 * c-common.h (objc_declare_protocols): Added additional argument.
14141 * stub-objc.c (objc_declare_protocol): Same change.
9faeb493 14142
fb52b50a
NF		 141432010-11-18 Nathan Froyd <froydnj@codesourcery.com>
14144
14145 PR c/33193
14146 * c-common.h (build_real_imag_expr): Declare.
14147 * c-semantics.c (build_real_imag_expr): Define.
14148
b37421c6
JM		 141492010-11-17 Joseph Myers <joseph@codesourcery.com>
14150
14151 * c-opts.c (c_common_parse_file): Take no arguments.
14152 * c-common.h (c_common_parse_file): Update prototype.
14153
07078664
JJ		 141542010-11-16 Jakub Jelinek <jakub@redhat.com>
14155
14156 PR c++/46401
14157 * c-common.c (warning_candidate_p): Don't track non-const calls
14158 or STRING_CSTs.
14159
c6a13190
ILT		 141602010-11-15 Ian Lance Taylor <iant@google.com>
14161
14162 * c-lex.c (init_c_lex): Set macro debug callbacks if
14163 flag_dump_go_spec is set.
14164
925e8657
NP		 141652010-11-15 Nicola Pero <nicola.pero@meta-innovation.com>
14166
14167 * c-common.h (objc_build_incr_expr_for_property_ref): New.
14168 * stub-objc.c (objc_build_incr_expr_for_property_ref): New.
14169
bb0a9581
NF		 141702010-11-15 Nathan Froyd <froydnj@codesourcery.com>
14171
14172 PR preprocessor/45038
14173 * c-cppbuiltin.c (c_cpp_builtins): Use different format for C++
14174 dialects.
14175
c5fa0890
JM		 141762010-11-12 Joseph Myers <joseph@codesourcery.com>
14177
14178 * c-common.h (c_family_lang_mask): Declare.
14179 * c-opts.c (c_family_lang_mask): Make extern.
14180 * c-pragma.c (handle_pragma_diagnostic): Use
14181 control_warning_option.
14182
a4d8c676
JM		 141832010-11-12 Joseph Myers <joseph@codesourcery.com>
14184
14185 * c-common.c (parse_optimize_options): Update call to
14186 decode_options.
14187 * c-common.h (c_common_handle_option): Update prototype.
14188 * c-opts.c (c_common_handle_option): Take location_t parameter and
14189 pass it to other functions.
14190
f954bd2c
JM		 141912010-11-11 Joseph Myers <joseph@codesourcery.com>
14192
14193 * c-opts.c (warning_as_error_callback): Remove.
14194 (c_common_initialize_diagnostics): Don't call
14195 register_warning_as_error_callback.
14196 (c_common_handle_option): Handle -Werror=normalized= here.
14197
d8a07487
JM		 141982010-11-10 Joseph Myers <joseph@codesourcery.com>
14199
14200 * c-common.c (handle_mode_attribute): Use %' and word "signedness"
14201 in diagnostic.
14202 * c-opts.c (c_common_parse_file): Start diagnostics with lowercase
14203 letter.
14204 * c-pragma.c (handle_pragma_target, handle_pragma_optimize):
14205 Remove trailing '.' from diagnostics.
14206 * c.opt (Wwrite-strings_: Avoid '`' in help text.
14207
d5478783
JM		 142082010-11-10 Joseph Myers <joseph@codesourcery.com>
14209
14210 * c-common.c (parse_optimize_options): Pass global_dc to
14211 decode_options.
14212 * c-opts.c (c_common_handle_option): Pass &global_options to
14213 set_Wstrict_aliasing.
14214 * c.opt (v): Don't mark Common or document here.
14215
91ebb981
IS		 142162010-11-06 Iain Sandoe <iains@gcc.gnu.org>
14217
14218 PR target/44981
14219 * c-format.c (format_type): New type gcc_objc_string_format_type.
14220 (valid_stringptr_type_p): New.
14221 (handle_format_arg_attribute): Use valid_stringptr_type_p ().
9faeb493 14222 (check_format_string): Pass expected type, use
91ebb981
IS		 14223 valid_stringptr_type_p (), check that the format string types are
14224 consistent with the format specification.
14225 (decode_format_attr): Warn if NSString is used outside objective-c.
14226 (format_types_orig): Add NSString.
14227 (format_name): New.
14228 (format_flags): New.
14229 (check_format_arg): Handle format strings requiring an external parser.
14230 first_target_format_type: New variable.
14231 (handle_format_attribute): Set up first_target_format_type, pass the
14232 expected format arg string type to check_format_string().
ab20d992 14233 * c-common.h (FMT_FLAG_PARSE_ARG_CONVERT_EXTERNAL): New flag.
91ebb981
IS		 14234 * stub-objc.c (objc_string_ref_type_p): New.
14235 (objc_check_format_arg): New.
14236
bede2adc
NP		 142372010-11-04 Nicola Pero <nicola.pero@meta-innovation.com>
14238
9faeb493 14239 Fixed using the Objective-C 2.0 dot-syntax with class names.
bede2adc
NP		 14240 * c-common.h (objc_build_class_component_ref): New.
14241 * stub-objc.c (objc_build_class_component_ref): New.
14242
9a179d01
NP		 142432010-11-03 Nicola Pero <nicola.pero@meta-innovation.com>
14244
14245 * c.opt (Wproperty-assign-default): New option.
14246
22d8d616
NP		 142472010-11-03 Nicola Pero <nicola.pero@meta-innovation.com>
14248
14249 Implemented -fobjc-std=objc1 flag.
14250 * c.opt (fobjc-std=objc1): New option.
14251
2debdb4f
NP		 142522010-11-01 Nicola Pero <nicola.pero@meta-innovation.com>
14253
14254 Implemented format and noreturn attributes for Objective-C methods.
14255 * c-common.c (handle_noreturn_attribute): Recognize 'noreturn'
14256 attribute for Objective-C methods.
14257
ec52b111
JM		 142582010-10-31 Jason Merrill <jason@redhat.com>
14259
14260 * c-common.c (conversion_warning, warn_for_collisions_1): Use
14261 EXPR_LOC_OR_HERE.
14262
46a88c12
NP		 142632010-10-30 Nicola Pero <nicola.pero@meta-innovation.com>
14264
14265 Implemented Objective-C 2.0 @property, @synthesize and @dynamic.
14266 * c-common.h (enum rid): Removed RID_COPIES and RID_IVAR.
14267 (objc_add_property_declaration): Removed arguments for copies and
14268 ivar.
14269 (objc_build_getter_call): Renamed to
14270 objc_maybe_build_component_ref.
14271 (objc_build_setter_call): Renamed to objc_maybe_build_modify_expr.
14272 (objc_is_property_ref): New.
14273 * c-common.c (c_common_reswords): Removed copies and ivar.
14274 * stub-objc.c (objc_add_property_declaration): Removed arguments
14275 for copies and ivar.
14276 (objc_build_getter_call): Renamed to
14277 objc_maybe_build_component_ref.
14278 (objc_build_setter_call): Renamed to objc_maybe_build_modify_expr.
14279 (objc_is_property_ref): New.
9faeb493 14280
1e4bf85b
AC		 142812010-10-29 Arnaud Charlet <charlet@adacore.com>
14282 Matthew Gingell <gingell@adacore.com>
14283
14284 * c-ada-spec.c (separate_class_package): New function.
14285 (pp_ada_tree_identifier): Prefix references to C++ classes with the
14286 name of their enclosing package.
14287 (print_ada_declaration): Use separate_class_package.
14288
81f0bab2
JM		 142892010-10-27 Jason Merrill <jason@redhat.com>
14290
2b08f2c5
JM		 14291 * c-common.c (c_common_reswords): Add __is_literal_type.
14292 * c-common.h (enum rid): Add RID_IS_LITERAL_TYPE.
14293
81f0bab2
JM		 14294 * c-common.c (check_case_value): Remove special C++ code.
14295
200290f2
NP		 142962010-10-27 Nicola Pero <nicola.pero@meta-innovation.com>
14297
14298 * c-common.h (enum rid): Added RID_READWRITE, RID_ASSIGN,
14299 RID_RETAIN, RID_COPY and RID_NONATOMIC. Updated RID_FIRST_PATTR
14300 and RID_LAST_PATTR.
14301 (objc_add_property_declaration): Added additional arguments.
14302 (objc_property_attribute_kind): Removed.
14303 (objc_set_property_attr): Removed.
14304 * c-common.c (c_common_reswords): Added readwrite, assign, retain,
14305 copy and nonatomic.
14306 * stub-objc.c (objc_add_property_declaration): Added additional
14307 arguments.
14308 (objc_set_property_attr): Removed.
9faeb493 14309
f614132b
NP		 143102010-10-27 Nicola Pero <nicola.pero@meta-innovation.com>
14311
14312 * c-common.h (objc_add_property_variable): Renamed to
14313 objc_add_property_declaration. Added location argument.
14314 * stub-objc.c (objc_add_property_variable): Same change.
b1726d6c 14315
b8a18805
NP		 143162010-10-23 Nicola Pero <nicola.pero@meta-innovation.com>
14317
14318 * c-common.h (objc_maybe_printable_name): New.
14319 * stub-objc.c (objc_maybe_printable_name): New.
14320
3f8257db
JJ		 143212010-10-22 Artjoms Sinkarovs <artyom.shinakroff@gmail.com>
14322 Andrew Pinski <pinskia@gmail.com>
30cd1c5d
AS		 14323
14324 * c-common.h (c_common_mark_addressable_vec): Declare.
14325 * c-common.c (c_common_mark_addressable_vec): New function.
14326
249a82c4
NP		 143272010-10-20 Nicola Pero <nicola.pero@meta-innovation.com>
14328
14329 * c-common.h (objc_set_method_type): Removed.
14330 (objc_add_method_declaration): Added boolean argument.
14331 (objc_start_method_definition): Same change.
14332 (objc_build_method_signature): Same change.
14333 * stub-objc.c (objc_set_method_type): Removed.
14334 (objc_add_method_declaration): Added boolean argument.
14335 (objc_start_method_definition): Same change.
14336 (objc_build_method_signature): Same change.
14337
977e30bc
NP		 143382010-10-20 Nicola Pero <nicola.pero@meta-innovation.com>
14339
14340 * c-common.h (finish_file): Removed.
14341 (objc_write_global_declarations): New.
14342 * c-opts.c (c_common_parse_file): Do not call finish_file.
14343 * stub-objc.c (objc_write_global_declarations): New.
9faeb493 14344
da57d1b9
NP		 143452010-10-18 Nicola Pero <nicola.pero@meta-innovation.com>
14346
14347 Implemented parsing @synthesize and @dynamic for
14348 Objective-C/Objective-C++.
14349 * c-common.h (enum rid): Add RID_AT_SYNTHESIZE and RID_AT_DYNAMIC.
14350 (objc_add_synthesize_declaration): New.
14351 (objc_add_dynamic_declaration): New.
14352 * c-common.c (c_common_reswords): Add synthesize and dynamic.
14353 * stub-objc.c (objc_add_synthesize_declaration): New.
14354 (objc_add_dynamic_declaration): New.
9faeb493 14355
0069111f
MM		 143562010-10-18 Michael Meissner <meissner@linux.vnet.ibm.com>
14357
14358 PR target/46041
14359 * c-cppbuiltin.c (mode_has_fma): Move function here from
14360 builtins.c. Don't use the fma optab, instead just use the
14361 HAVE_fma* macros, so that __FP_FAST_FMA* will be defined when
14362 using -save-temps.
14363
e426b47b
NP		 143642010-10-18 Nicola Pero <nicola.pero@meta-innovation.com>
14365
14366 Merge from 'apple/trunk' branch on FSF servers.
0069111f 14367
3f8257db 14368 2005-11-08 Fariborz Jahanian <fjahanian@apple.com>
e426b47b 14369
9faeb493 14370 Radar 4330422
e426b47b
NP		 14371 * c-common.h (objc_non_volatilized_type): New declaration
14372 * stub-objc.c (objc_non_volatilized_type): New stub.
14373
90fbfdc3
NP		 143742010-10-17 Nicola Pero <nicola.pero@meta-innovation.com>
14375
e426b47b 14376 Merge from 'apple/trunk' branch on FSF servers.
90fbfdc3 14377
ab20d992 14378 2006-03-27 Fariborz Jahanian <fjahanian@apple.com>
90fbfdc3 14379
9faeb493 14380 Radar 4133425
90fbfdc3 14381 * c-common.h (objc_diagnose_private_ivar): New decl.
0069111f 14382 * stub-objc.c (objc_diagnose_private_ivar): New stub.
90fbfdc3 14383
c37d8c30
IS		 143842010-10-17 Iain Sandoe <iains@gcc.gnu.org>
14385
14386 * c-common.c (c_common_reswords): Add package, RID_AT_PACKAGE.
14387 * c-common.h (enum rid): Add RID_AT_PACKAGE.
14388 (objc_ivar_visibility_kind): New enum.
14389 (objc_set_visibility): Adjust prototype to use visibility enum.
0069111f 14390 * stub-objc.c (objc_set_visibility): Adjust stub to use
c37d8c30
IS		 14391 visibility enum.
14392
1b1562a5
MM		 143932010-10-14 Michael Meissner <meissner@linux.vnet.ibm.com>
14394
14395 * c-cppbuiltin.c (builtin_define_float_constants): Emit
14396 __FP_FAST_FMA, __FP_FAST_FMAF, and __FP_FAST_FMAL if the machine
14397 has the appropriate fma builtins.
14398 (c_cpp_builtins): Adjust call to builtin_define_float_constants.
14399
668ea4b1
IS		 144002010-10-14 Iain Sandoe <iains@gcc.gnu.org>
14401
1b1562a5 14402 merge from FSF apple 'trunk' branch.
3f8257db 14403 2006 Fariborz Jahanian <fjahanian@apple.com>
1b1562a5 14404
668ea4b1
IS		 14405 Radars 4436866, 4505126, 4506903, 4517826
14406 * c-common.c (c_common_resword): Define @property and its attributes.
14407 * c-common.h: Define property attribute enum entries.
14408 (OBJC_IS_PATTR_KEYWORD): New.
14409 (objc_property_attribute_kind): New enum.
14410 Declare objc_set_property_attr (), objc_add_property_variable (),
14411 objc_build_getter_call () and objc_build_setter_call ().
14412 * stub-objc.c (objc_set_property_attr): New stub.
14413 (objc_add_property_variable): Likewise.
14414 (objc_build_getter_call): Likewise.
14415 (objc_build_setter_call) Likewise.
1b1562a5 14416
a1178b30
IS		 144172010-10-13 Iain Sandoe <iains@gcc.gnu.org>
14418
1b1562a5 14419 merge from FSF apple 'trunk' branch.
ab20d992 14420 2006-04-26 Fariborz Jahanian <fjahanian@apple.com>
a1178b30
IS		 14421
14422 Radar 3803157 (method attributes)
14423 * c-common.c (handle_deprecated_attribute): Recognize
14424 objc methods as valid declarations.
14425 * c-common.h: Declare objc_method_decl ().
1b1562a5 14426 * stub-objc.c (objc_method_decl): New stub.
a1178b30 14427
a75bfaa6
JM		 144282010-10-08 Joseph Myers <joseph@codesourcery.com>
14429
14430 * c-common.c (parse_optimize_options): Call
14431 decode_cmdline_options_to_array_default_mask before
14432 decode_options. Update arguments to decode_options.
14433 * c-common.h (c_common_init_options_struct): Declare.
14434 * c-opts.c (c_common_init_options_struct): New. Split out from
14435 c_common_init_options.
14436
f05b9d93
NP		 144372010-10-06 Nicola Pero <nicola.pero@meta-innovation.com>
14438
14439 Implemented fast enumeration for Objective-C.
14440 * c-common.h (objc_finish_foreach_loop): New.
14441 * stub-objc.c (objc_finish_foreach_loop): New.
14442
1ebe4b4f
JM		 144432010-10-05 Joseph Myers <joseph@codesourcery.com>
14444
14445 * c-common.h (struct diagnostic_context): Don't declare here.
14446 (c_common_initialize_diagnostics): Declare using
14447 diagnostic_context typedef.
14448 * c-opts.c (c_common_handle_option): Pass global_dc to
14449 handle_generated_option.
14450
d4d24ba4
JM		 144512010-10-04 Joseph Myers <joseph@codesourcery.com>
14452
14453 * c-opts.c (c_common_handle_option): Pass &global_options_set to
14454 handle_generated_option.
14455
478a1c5b
ILT		 144562010-10-03 Ian Lance Taylor <iant@google.com>
14457
14458 * c.opt (-fplan9-extensions): New option.
14459
82a1c2fe
FXC		 144602010-10-03 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
14461
14462 * c-cppbuiltin.c (define__GNUC__, builtin_define_type_precision):
14463 Remove.
14464 (c_cpp_builtins): Call functions from cppbuiltin.c instead
14465 of duplicating code.
14466
92902b1b
IS		 144672010-09-30 Iain Sandoe <iains@gcc.gnu.org>
14468
14469 * c-common.c: Add two new entries for @optional
14470 and @required keywords.
14471
14472 merge from FSF 'apple/trunk' branch.
3f8257db 14473 2006-01-30 Fariborz Jahanian <fjahanian@apple.com>
92902b1b
IS		 14474
14475 Radar 4386773
14476 * c-common.h (RID_AT_OPTIONAL, RID_AT_REQUIRED): Two new
14477 objective-c keywords.
14478 (objc_set_method_opt): New declaration.
14479 * stub-objc.c (objc_set_method_opt): New stub.
9faeb493 14480
46625112
JM		 144812010-09-30 Joseph Myers <joseph@codesourcery.com>
14482
14483 * c-common.c (handle_optimize_attribute): Pass &global_options to
14484 cl_optimization_save and cl_optimization_restore.
14485 * c-opts.c (c_common_handle_option): Pass &global_options to
14486 handle_generated_option.
14487 * c-pragma.c (handle_pragma_diagnostic): Use option_flag_var.
14488 (handle_pragma_pop_options, handle_pragma_reset_options): Pass
14489 &global_options to cl_optimization_restore.
14490
49b91f05
NP		 144912010-09-30 Nicola Pero <nicola.pero@meta-innovation.com>
14492
14493 * c-lex.c (c_lex_with_flags): Updated comments for CPP_AT_NAME
14494 Objective-C/Objective-C++ keywords.
14495
13ed556f 144962010-09-29 Nicola Pero <nicola.pero@meta-innovation.com>
a6341d57 14497
9faeb493
UB		 14498 Merge from 'apple/trunk' branch on FSF servers.
14499
3f8257db 14500 2005-10-04 Fariborz Jahanian <fjahanian@apple.com>
a6341d57
NP		 14501
14502 Radar 4281748
14503 * c-common.h (objc_check_global_decl): New declaration.
14504 * stub-objc.c (objc_check_global_decl): New stub.
14505
f0036cca
JM		 145062010-09-29 Joseph Myers <joseph@codesourcery.com>
14507
14508 * c.opt: Don't use VarExists.
14509
e3339d0f
JM		 145102010-09-29 Joseph Myers <joseph@codesourcery.com>
14511
14512 * c-common.c (c_cpp_error): Update names of diagnostic_context
14513 members.
14514 * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Update names of
14515 cl_optimization members.
14516 * c-opts.c (warning_as_error_callback, c_common_handle_option,
14517 sanitize_cpp_opts, finish_options): Update names of cpp_options
14518 members.
14519
1973201f
NP		 145202010-09-29 Nicola Pero <nicola.pero@meta-innovation.com>
14521
14522 * c-common.h (OBJC_IS_CXX_KEYWORD): New macro. Updated comments.
14523 (objc_is_reserved_word): Removed.
14524 * c-common.c: Updated comments.
14525 * c-lex.c (c_lex_with_flags): Use OBJC_IS_CXX_KEYWORD instead of
14526 objc_is_reserved_word.
14527 * stub-objc.c (objc_is_reserved_word): Removed.
14528
f7e71da5
IS		 145292010-09-28 Iain Sandoe <iains@gcc.gnu.org>
14530
9faeb493 14531 * c-common.h (objc_add_method_declaration): Adjust prototype to
f7e71da5
IS		 14532 include attributes.
14533 (objc_start_method_definition): Likewise.
14534 (objc_build_keyword_decl): Likewise.
14535 * stub-objc.c:(objc_add_method_declaration): Handle attributes.
14536 (objc_start_method_definition): Likewise.
14537 (objc_build_keyword_decl): Likewise.
14538
c165dca7
IS		 145392010-09-28 Iain Sandoe <iains@gcc.gnu.org>
14540
14541 * c-common.h (objc_start_class_interface): Adjust prototype.
14542 (objc_start_category_interface): Likewise.
14543 (objc_start_protocol): Likewise.
14544 * stub-objc.c (objc_start_protocol): Adjust for extra argument.
14545 (objc_start_class_interface): Likewise.
14546 (objc_start_category_interface): Likewise.
14547
7458026b
ILT		 145482010-09-27 Ian Lance Taylor <iant@google.com>
14549
14550 * c-common.c (c_common_attribute_table): Add no_split_stack.
14551 (handle_no_split_stack_attribute): New static function.
14552
b581b85b
NP		 145532010-09-27 Nicola Pero <nicola.pero@meta-innovation.com>
14554
9faeb493 14555 Merge from 'apple/trunk' branch on FSF servers.
b581b85b 14556
3f8257db 14557 2005-12-15 Fariborz Jahanian <fjahanian@apple.com>
b581b85b 14558
9faeb493 14559 Radar 4229905
b581b85b
NP		 14560 * c-common.h (objc_have_common_type): New declaration.
14561 * stub-objc.c (objc_have_common_type): New stub.
14562
14563 2005-06-22 Ziemowit Laski <zlaski@apple.com>
14564
14565 Radar 4154928
14566 * c-common.h (objc_common_type): New prototype.
9faeb493 14567 * stub-objc.c (objc_common_type): New stub.
b581b85b 14568
46a4da10
JH		 145692010-09-24 Jan Hubicka <jh@suse.cz>
14570
14571 * c-common.c (handle_leaf_attribute): New function.
14572 (struct attribute_spec c_common_att): Add leaf.
14573
e200444e
JM		 145742010-09-22 Joseph Myers <joseph@codesourcery.com>
14575
14576 * c.opt (-all-warnings, -ansi, -assert, -assert=, -comments,
14577 -comments-in-macros, -define-macro, -define-macro=, -dependencies,
14578 -dump, -dump=, -imacros, -imacros=, -include, -include=,
14579 -include-barrier, -include-directory, -include-directory=,
14580 -include-directory-after, -include-directory-after=,
14581 -include-prefix, -include-prefix=, -include-with-prefix,
14582 -include-with-prefix=, -include-with-prefix-after,
14583 -include-with-prefix-after=, -include-with-prefix-before,
14584 -include-with-prefix-before=, -no-integrated-cpp,
14585 -no-line-commands, -no-standard-includes, -no-warnings, -output,
14586 -output=, -pedantic, -pedantic-errors, -preprocess,
14587 -print-missing-file-dependencies, -trace-includes, -traditional,
14588 -traditional-cpp, -trigraphs, -undefine-macro, -undefine-macro=,
14589 -user-dependencies, -verbose, -write-dependencies,
14590 -write-user-dependencies, no-integrated-cpp, traditional): New.
14591
29a80ea6
NP		 145922010-09-21 Nicola Pero <nicola.pero@meta-innovation.com>
14593
14594 PR objc/23710
ac1fc2fc
NP		 14595 * c-common.h (objc_start_method_definition): Return bool instead
14596 of void.
14597 * stub-objc.c (objc_start_method_definition): Return bool instead
14598 of void.
14599
146002010-09-21 Nicola Pero <nicola.pero@meta-innovation.com>
14601
14602 PR objc/25965
14603 * c-common.h (objc_get_interface_ivars): New declaration.
14604 * stub-objc.c (objc_get_interface_ivars): New stub.
29a80ea6 14605
de621752
ILT		 146062010-09-15 Ian Lance Taylor <iant@google.com>
14607
14608 * c-common.c (parse_optimize_options): Do not capitalize warning
06730c5d 14609 messages. Remove period at end of warning message.
de621752 14610
ba885ec5
NS		 146112010-09-09 Nathan Sidwell <nathan@codesourcery.com>
14612
14613 * c-common.c (handle_alias_ifunc_attribute): New, broken out of ...
14614 (handle_alias_attribute): ... here.
14615 (handle_ifunc_attribute): New.
14616
c5ee1358
MM		 146172010-09-06 Mark Mitchell <mark@codesourcery.com>
14618
14619 * c-common.h (do_warn_double_promotion): Declare.
14620 * c-common.c (do_warn_double_promotion): Define.
14621
0a0b3574
MM		 146222010-09-05 Mark Mitchell <mark@codesourcery.com>
14623
14624 * c.opt (Wdouble-promotion): New.
14625
d1779886
JM		 146262010-09-02 Joseph Myers <joseph@codesourcery.com>
14627
14628 * c.opt (falt-external-templates, fhuge-objects, fvtable-gc,
14629 fvtable-thunks, fxref): Mark no longer supported in help text.
14630
2d2bd949
JM		 146312010-09-02 Joseph Myers <joseph@codesourcery.com>
14632
14633 * c.opt (Wimport, fall-virtual, falt-external-templates,
14634 fdefault-inline, fenum-int-equiv, fexternal-templates,
14635 fguiding-decls, fhonor-std, fhuge-objects, flabels-ok,
14636 fname-mangling-version-, fnew-abi, fnonnull-objects,
14637 foptional-diags, fsquangle, fstrict-prototype, fthis-is-variable,
14638 fvtable-gc, fvtable-thunks, fxref): Mark with Ignore and Warn as
14639 applicable.
14640 (fhandle-exceptions): Mark with Alias and Warn.
14641 * c-opts.c (c_common_handle_option): Don't handle options marked
14642 as ignored.
14643
5de8299c
JM		 146442010-09-02 Joseph Myers <joseph@codesourcery.com>
14645
14646 * c.opt (Wcomments, Werror-implicit-function-declaration,
14647 ftemplate-depth-, std=c89, std=c9x, std=gnu89, std=gnu9x,
14648 std=iso9899:1990, std=iso9899:1999, std=iso9899:199x): Mark as
14649 aliases.
14650 * c-common.c (option_codes): Use OPT_Wcomment instead of
14651 OPT_Wcomments.
14652 * c-opts.c (warning_as_error_callback, c_common_handle_option):
14653 Don't handle options marked as aliases.
14654
0ceb0201
RG		 146552010-08-25 Richard Guenther <rguenther@suse.de>
14656
14657 * c-common.c (c_common_get_alias_set): Remove special
14658 handling for pointers.
14659
ac47786e
NF		 146602010-08-20 Nathan Froyd <froydnj@codesourcery.com>
14661
14662 * c-common.c: Use FOR_EACH_VEC_ELT.
14663 * c-gimplify.c: Likewise.
14664 * c-pragma.c: Likewise.
14665
c878765b
JM		 146662010-08-16 Joseph Myers <joseph@codesourcery.com>
14667
14668 * c.opt (MDX): Change back to MD. Mark NoDriverArg instead of
14669 RejectDriver.
14670 (MMDX): Change back to MMD. Mark NoDriverArg instead of
14671 RejectDriver.
14672 * c-opts.c (c_common_handle_option): Use OPT_MD and OPT_MMD
14673 instead of OPT_MDX and OPT_MMDX.
14674
603349bf
JM		 146752010-08-16 Joseph Myers <joseph@codesourcery.com>
14676
14677 * c.opt (MDX, MMDX, lang-asm): Mark RejectDriver.
14678
644fa7ac
JM		 146792010-08-12 Joseph Myers <joseph@codesourcery.com>
14680
14681 * c.opt (MD, MMD): Change to MDX and MMDX.
14682 * c-opts.c (c_common_handle_option): Use OPT_MMD and OPT_MMDX.
14683
481e1176
JM		 146842010-08-11 Joseph Myers <joseph@codesourcery.com>
14685
14686 * c-opts.c (c_common_handle_option): Call handle_generated_option
14687 instead of handle_option.
14688
ac8dc9f7
NF		 146892010-08-08 Nathan Froyd <froydnj@codesourcery.com>
14690
14691 * c-pragma.c (add_to_renaming_pragma_list): Fix call to VEC_safe_push.
14692 (maybe_apply_renaming_pragma): Delete unneeded declarations.
14693
4f8c876d
NF		 146942010-08-08 Nathan Froyd <froydnj@codesourcery.com>
14695
14696 * c-pragma.c (pending_redefinition): Declare. Declare a VEC of it.
14697 (pending_redefine_extname): Change type to a VEC.
14698 (add_to_renaming_pragma_list): Update for new type of
14699 pending_redefine_extname.
ac8dc9f7 14700 (maybe_apply_renaming_pragma): Likewise.
4f8c876d 14701
3b0c690e
AC		 147022010-08-04 Arnaud Charlet <charlet@adacore.com>
14703
14704 * c-ada-spec.c (dump_ada_template): Mark underlying instance type as
14705 visited.
14706 (dump_generic_ada_node): Code clean up. Use TREE_VISITED flag to
14707 decide whether a type has already been declared/seen.
14708 Do not go to the original type.
14709 (dump_nested_types): New parameter forward.
14710 Generate forward declaration if needed and mark type as visited.
14711 (print_ada_declaration): Call dump_nested_types if not already done.
14712 Mark types as visited.
14713
1890bccc
JM		 147142010-08-03 Joseph Myers <joseph@codesourcery.com>
14715
14716 * c.opt (-print-pch-checksum): Remove option.
14717 * c-opts.c (c_common_handle_option): Don't handle
14718 OPT_print_pch_checksum.
14719
5f20c657
JM		 147202010-07-27 Joseph Myers <joseph@codesourcery.com>
14721
14722 * c-common.h (c_common_handle_option): Update prototype and return
14723 value type.
14724 * c-opts.c (c_common_handle_option): Update prototype and return
14725 value type. Update calls to handle_option and
14726 enable_warning_as_error.
14727
f551f80c
JJ		 147282010-07-27 Jakub Jelinek <jakub@redhat.com>
14729
14730 PR c/45079
14731 * c-pretty-print.c (pp_c_expression): Handle C_MAYBE_CONST_EXPR.
14732
61ff2bdc
JM		 147332010-07-27 Joseph Myers <joseph@codesourcery.com>
14734
14735 * c-common.h (c_common_missing_argument): Remove.
14736 * c-opts.c (c_common_missing_argument): Remove.
14737 * c.opt (A, D, F, I, MD, MMD, MQ, MT, U, fconstant-string-class=,
14738 idirafter, imacros, include, isysroot, isystem, iquote): Add
14739 MissingArgError.
14740 * c-objc-common.h (LANG_HOOKS_MISSING_ARGUMENT): Remove.
14741
7a9bf9a4
JM		 147422010-07-27 Joseph Myers <joseph@codesourcery.com>
14743
14744 * c-common.h (c_common_option_lang_mask,
14745 c_common_initialize_diagnostics, c_common_complain_wrong_lang_p):
14746 New.
14747 (c_common_init_options): Update prototype.
14748 * c-opts.c (c_common_option_lang_mask): New.
14749 (c_common_initialize_diagnostics): Split out of
14750 c_common_init_options.
14751 (accept_all_c_family_options, c_common_complain_wrong_lang_p):
14752 New.
14753 (c_common_init_options): Update prototype. Use decoded options in
14754 search for -lang-asm.
14755
910ad8de
NF		 147562010-07-15 Nathan Froyd <froydnj@codesourcery.com>
14757
14758 * c-common.c: Carefully replace TREE_CHAIN with DECL_CHAIN.
14759 * c-format.c: Likewise.
14760
718f9c0f
MLI		 147612010-07-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
14762
14763 * c-common.h: Include diagnostic-core.h. Error if already
14764 included.
14765 * c-semantics.c: Do not define GCC_DIAG_STYLE here.
14766
4d451982
MLI		 147672010-07-03 Manuel López-Ibáñez <manu@gcc.gnu.org>
14768
adfac8df 14769 * c-common.c (IN_GCC_FRONTEND): Do not undef.
4d451982
MLI		 14770 Do not include expr.h
14771 (vector_mode_valid_p): Move here.
14772
119fe915
SB		 147732010-06-21 DJ Delorie <dj@redhat.com>
14774
14775 * c-pragma.c (handle_pragma_diagnostic): Add push/pop,
14776 allow these pragmas anywhere.
14777
147782010-06-14 Jakub Jelinek <jakub@redhat.com>
14779
14780 PR bootstrap/44509
14781 * c-cppbuiltin.c: Include gt-c-family-c-cppbuiltin.h.
14782 (lazy_hex_fp_values, lazy_hex_fp_value_count): Add GTY(()) markers.
14783 (lazy_hex_fp_value, builtin_define_with_hex_fp_value): Use
14784 ggc_strdup instead of xstrdup.
14785
147862010-06-10 Jakub Jelinek <jakub@redhat.com>
14787
14788 * c-cppbuiltin.c: Include cpp-id-data.h.
14789 (lazy_hex_fp_values, lazy_hex_fp_value_count): New variables.
14790 (lazy_hex_fp_value): New function.
14791 (builtin_define_with_hex_fp_value): Provide definitions lazily.
14792
6662d794
MLI		 147932010-06-30 Manuel López-Ibáñez <manu@gcc.gnu.org>
14794
14795 * c-gimplify.c: Do not include tree-flow.h
14796
38f8b050
JR		 147972010-06-29 Joern Rennecke <joern.rennecke@embecosm.com>
14798
14799 PR other/44034
14800 * c-common.c: Rename targetm member:
14801 targetm.enum_va_list -> targetm.enum_va_list_p
14802
9589f23e
AS		 148032010-06-28 Anatoly Sokolov <aesok@post.ru>
14804
14805 * c-common.c (shorten_compare): Adjust call to force_fit_type_double.
14806
3b06d379
SB		 148072010-06-28 Steven Bosscher <steven@gcc.gnu.org>
14808
14809 * c-cppbuiltin.c: Do not include except.h.
14810
d166d4c3
AK		 148112010-06-24 Andi Kleen <ak@linux.intel.com>
14812
9faeb493
UB		 14813 * c-common.c (warn_for_omitted_condop): New.
14814 * c-common.h (warn_for_omitted_condop): Add prototype.
d166d4c3 14815
70cb8be6
JM		 148162010-06-21 Joseph Myers <joseph@codesourcery.com>
14817
14818 * c.opt (lang-objc): Remove.
14819 * c-opts.c (c_common_handle_option): Don't handle OPT_lang_objc.
14820
a4c97feb
JR		 148212010-06-21 Joern Rennecke <joern.rennecke@embecosm.com>
14822
14823 * c-opts.c: Include "tm_p.h".
14824
6e2f1956
JM		 148252010-06-20 Joseph Myers <joseph@codesourcery.com>
14826
14827 * c-common.c (parse_optimize_options): Update call to
14828 decode_options.
14829
bc87224e
NF		 148302010-06-18 Nathan Froyd <froydnj@codesourcery.com>
14831
14832 * c-common.c (record_types_used_by_current_var_decl): Adjust for
14833 new type of types_used_by_cur_var_decl.
14834
b49cf425
JR		 148352010-06-17 Joern Rennecke <joern.rennecke@embecosm.com>
14836
14837 PR bootstrap/44512
14838 * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Add cast
14839 for C++ standard compliance.
14840
59f9c2ed
JM		 148412010-06-16 Jason Merrill <jason@redhat.com>
14842
14843 * c.opt: Add -Wnoexcept.
14844
33766b66
RG		 148452010-06-16 Richard Guenther <rguenther@suse.de>
14846
14847 PR c/44555
14848 * c-common.c (c_common_truthvalue_conversion): Remove
14849 premature and wrong optimization concering ADDR_EXPRs.
14850
eff7e30c
AC		 148512010-06-15 Arnaud Charlet <charlet@adacore.com>
14852
14853 * c-ada-spec.c (dump_sloc): Remove column info.
14854 (is_simple_enum): New function.
14855 (dump_generic_ada_node, print_ada_declaration): Map C enum types to Ada
14856 enum types when relevant.
14857
6312e84d
MLI		 148582010-06-11 Manuel López-Ibáñez <manu@gcc.gnu.org>
14859
9faeb493 14860 * c-common.c (conversion_warning): Warn at expression
6312e84d
MLI		 14861 location.
14862
1cb42611
JM		 148632010-06-10 Joseph Myers <joseph@codesourcery.com>
14864
14865 * c-opts.c (c_common_handle_option): Don't handle
14866 OPT_fshow_column.
14867
a9429e29
LB		 148682010-06-08 Laurynas Biveinis <laurynas.biveinis@gmail.com>
14869
14870 * c-pragma.c (push_alignment): Use typed GC allocation.
14871 (handle_pragma_push_options): Likewise.
14872
14873 * c-common.c (parse_optimize_options): Likewise.
14874
14875 * c-common.h (struct sorted_fields_type): Add variable_size GTY
14876 option.
14877
5498f011
JM		 148782010-06-07 Joseph Myers <joseph@codesourcery.com>
14879
14880 * c-common.c (flag_preprocess_only, flag_undef, flag_no_builtin,
14881 flag_no_nonansi_builtin, flag_short_double, flag_short_wchar,
14882 flag_lax_vector_conversions, flag_ms_extensions, flag_no_asm,
14883 flag_signed_bitfields, warn_strict_null_sentinel,
14884 flag_nil_receivers, flag_zero_link, flag_replace_objc_classes,
14885 flag_gen_declaration, flag_no_gnu_keywords,
14886 flag_implement_inlines, flag_implicit_templates,
14887 flag_implicit_inline_templates, flag_optional_diags,
14888 flag_elide_constructors, flag_default_inline, flag_rtti,
14889 flag_conserve_space, flag_access_control, flag_check_new,
14890 flag_new_for_scope, flag_weak, flag_working_directory,
14891 flag_use_cxa_atexit, flag_use_cxa_get_exception_ptr,
14892 flag_enforce_eh_specs, flag_threadsafe_statics,
14893 flag_pretty_templates): Remove.
14894 * c-common.h (flag_preprocess_only, flag_nil_receivers,
14895 flag_objc_exceptions, flag_objc_sjlj_exceptions, flag_zero_link,
14896 flag_replace_objc_classes, flag_undef, flag_no_builtin,
14897 flag_no_nonansi_builtin, flag_short_double, flag_short_wchar,
14898 flag_lax_vector_conversions, flag_ms_extensions, flag_no_asm,
14899 flag_const_strings, flag_signed_bitfields, flag_gen_declaration,
14900 flag_no_gnu_keywords, flag_implement_inlines,
14901 flag_implicit_templates, flag_implicit_inline_templates,
14902 flag_optional_diags, flag_elide_constructors, flag_default_inline,
14903 flag_rtti, flag_conserve_space, flag_access_control,
14904 flag_check_new, flag_new_for_scope, flag_weak,
14905 flag_working_directory, flag_use_cxa_atexit,
14906 flag_use_cxa_get_exception_ptr, flag_enforce_eh_specs,
14907 flag_threadsafe_statics, flag_pretty_templates,
14908 warn_strict_null_sentinel): Remove.
14909 * c.opt (E, Wstrict-null-sentinel, faccess-control, fasm,
14910 fbuiltin, fcheck-new, fconserve-space, felide-constructors,
14911 fenforce-eh-specs, ffor-scope, fgnu-keywords, fimplement-inlines,
14912 fimplicit-inline-templates, fimplicit-templates,
14913 flax-vector-conversions, fms-extensions, fnil-receivers,
14914 fnonansi-builtins, fpretty-templates, freplace-objc-classes,
14915 frtti, fshort-double, fshort-enums, fshort-wchar,
14916 fsigned-bitfields, fsigned-char, fstats, fthreadsafe-statics,
14917 funsigned-bitfields, funsigned-char, fuse-cxa-atexit,
14918 fuse-cxa-get-exception-ptr, fweak, fworking-directory, fzero-link,
14919 gen-decls, undef): Use Var.
14920 (fdefault-inline, foptional-diags): Document as doing nothing.
14921 * c-opts.c (c_common_handle_option): Remove cases for options now
14922 using Var. Mark ignored options as such.
14923
39dabefd
SB		 149242010-06-05 Steven Bosscher <steven@gcc.gnu.org>
14925
9faeb493 14926 * c-common.c: Moved to here from parent directory.
39dabefd
SB		 14927 * c-common.def: Likewise.
14928 * c-common.h: Likewise.
14929 * c-cppbuiltin.c: Likewise.
14930 * c-dump.c: Likewise.
14931 * c-format.c: Likewise.
14932 * c-format.h : Likewise.
14933 * c-gimplify.c: Likewise.
14934 * c-lex.c: Likewise.
14935 * c-omp.c: Likewise.
14936 * c.opt: Likewise.
14937 * c-opts.c: Likewise.
14938 * c-pch.c: Likewise.
14939 * c-ppoutput.c: Likewise.
14940 * c-pragma.c: Likewise.
14941 * c-pragma.h: Likewise.
14942 * c-pretty-print.c: Likewise.
14943 * c-pretty-print.h: Likewise.
14944 * c-semantics.c: Likewise.
14945 * stub-objc.c: Likewise.
14946
14947 * c-common.c: Include gt-c-family-c-common.h.
14948 * c-pragma.c: Include gt-c-family-c-pragma.h.
14949\f
6a720d41 14950Copyright (C) 2010-2024 Free Software Foundation, Inc.
39dabefd
SB		 14951
14952Copying and distribution of this file, with or without modification,
14953are permitted in any medium without royalty provided the copyright
14954notice and this notice are preserved.
Mirror of https://gcc.gnu.org/git/gcc.git