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PR c++/90138
[thirdparty/gcc.git] / gcc / cp / ChangeLog
CommitLineData
b7c7bc83 12019-04-19 Jakub Jelinek <jakub@redhat.com>
2
dc097d0a 3 PR c++/90138
4 * pt.c (process_template_parm): Set decl to pushdecl result. If
5 !is_non_type, also set parm to that.
6
45cf699c 7 PR c/89888
8 * decl.c (struct cp_switch): Remove outside_range_p member.
9 (push_switch): Don't clear it.
10 (pop_switch): Adjust c_do_switch_warnings caller.
11 (finish_case_label): Adjust c_add_case_label caller.
12
b7c7bc83 13 PR c++/90108
14 * decl.c (duplicate_decls): If remove is main variant and
15 DECL_ORIGINAL_TYPE is some other type, remove a DECL_ORIGINAL_TYPE
16 variant that has newdecl as TYPE_NAME if any.
17
849a7926 182019-04-18 Jason Merrill <jason@redhat.com>
19
20 PR c++/87554 - ICE with extern template and reference member.
21 * decl.c (cp_finish_decl): Don't set DECL_INITIAL of external vars.
22
a9b768f8 232019-04-17 Jason Merrill <jason@redhat.com>
24
25 PR c++/90047 - ICE with enable_if alias template.
26 * pt.c (tsubst_decl) [TYPE_DECL]: Don't put an erroneous decl in the
27 hash table when we're in SFINAE context.
28
f1d497bc 292019-04-17 Marek Polacek <polacek@redhat.com>
30
31 PR c++/90124 - bogus error with incomplete type in decltype.
32 * typeck.c (build_class_member_access_expr): Check
33 cp_unevaluated_operand.
34
81e61a19 352019-04-12 Jakub Jelinek <jakub@redhat.com>
36
37 PR c/89933
38 * decl.c (duplicate_decls): When newdecl's type is its main variant,
39 don't try to remove it from the variant list, but instead assert
40 it has no variants.
41
e7136105 422019-04-12 Martin Sebor <msebor@redhat.com>
43
44 PR c/88383
45 PR c/89288
46 * parser.c (cp_parser_has_attribute_expression): Handle assignment
47 expressions.
48
b7a39acf 492019-04-12 Jason Merrill <jason@redhat.com>
50
51 * call.c (null_member_pointer_value_p): Handle an empty CONSTRUCTOR
52 of PMF type.
53
1fdc37a3 542019-04-12 Marek Polacek <polacek@redhat.com>
55
56 * except.c (build_noexcept_spec): Use build_converted_constant_bool_expr
57 instead of perform_implicit_conversion_flags.
58
01e345e0 59 PR c++/87603 - constexpr functions are no longer noexcept.
60 * constexpr.c (is_sub_constant_expr): Remove unused function.
61 * cp-tree.h (is_sub_constant_expr): Remove declaration.
62 * except.c (check_noexcept_r): Don't consider a call to a constexpr
63 function noexcept.
64
f0121163 652019-04-11 Jakub Jelinek <jakub@redhat.com>
66
67 PR translation/90035
68 * parser.h (struct cp_parser): Add
69 type_definition_forbidden_message_arg member.
70 * parser.c (cp_debug_parser): Print it.
71 (cp_parser_check_type_definition): Pass
72 parser->type_definition_forbidden_message_arg as second argument to
73 error.
74 (cp_parser_has_attribute_expression, cp_parser_sizeof_operand): Set
75 parser->type_definition_forbidden_message_arg and use G_() with
76 %qs for parser->type_definition_forbidden_message instead of
77 building untranslatable message using concat.
78
a9c7b78d 792019-04-09 Jakub Jelinek <jakub@redhat.com>
80
81 PR translation/90011
82 * typeck2.c (check_narrowing): Remove trailing space from diagnostics.
83
67ecd3ae 842019-04-08 Marek Polacek <polacek@redhat.com>
85
86 * typeck2.c (digest_init_r): Don't condition the object slicing warning
87 on flag_checking.
88
7651759b 892019-04-08 Paolo Carlini <paolo.carlini@oracle.com>
90
91 PR c++/89914
92 * semantics.c (trait_expr_value): Don't use TYPE_NOTHROW_P
93 when maybe_instantiate_noexcept fails.
94 (classtype_has_nothrow_assign_or_copy_p): Likewise.
95 * method.c (implicitly_declare_fn): Avoid passing error_mark_node
96 to build_exception_variant.
97
168afa9b 982019-04-05 Marek Polacek <polacek@redhat.com>
99
100 PR c++/87145 - bogus error converting class type in template arg list.
101 * pt.c (convert_nontype_argument): Don't call
102 build_converted_constant_expr if it could involve calling a conversion
103 function with a instantiation-dependent constructor as its argument.
104
49666f40 1052019-04-05 Martin Sebor <msebor@redhat.com>
106
107 PR bootstrap/89980
108 * decl.c (reshape_init_array_1): Avoid treating empty strings
109 as zeros in array initializers.
110 Use trivial_type_p () instead of TYPE_HAS_TRIVIAL_DFLT().
111
071a07da 1122019-04-04 Jason Merrill <jason@redhat.com>
113
114 PR c++/89948 - ICE with break in statement-expr.
115 * constexpr.c (cxx_eval_statement_list): Jumping out of a
116 statement-expr is non-constant.
117
1a08779b 1182019-04-04 Jason Merrill <jason@redhat.com>
119
120 PR c++/89966 - error with non-type auto tparm.
121 * pt.c (do_auto_deduction): Clear tf_partial.
122
80d04049 1232019-04-04 Jason Merrill <jason@redhat.com>
124
125 PR c++/86986 - ICE with TTP with parameter pack.
126 * pt.c (coerce_template_parameter_pack): Only look at the type of a
127 non-type parameter pack.
128 (fixed_parameter_pack_p_1): Don't recurse into the type of a
129 non-type parameter pack.
130 (coerce_template_template_parms): Call add_outermost_template_args.
131
b11751dc 1322019-04-04 Martin Sebor <msebor@redhat.com>
133
134 PR c++/89974
135 PR c++/89878
136 PR c++/89833
137 PR c++/47488
138 * decl.c (reshape_init_array_1): Strip trailing zero-initializers
139 from arrays of trivial type and known size.
140 * mangle.c (write_expression): Convert braced initializer lists
141 to STRING_CSTs.
142 (write_expression): Trim trailing zero-initializers from arrays
143 of trivial type.
144 (write_template_arg_literal): Mangle strings the same as braced
145 initializer lists.
146
589c66eb 1472019-04-03 Jason Merrill <jason@redhat.com>
148
b1d61c0e 149 PR c++/81866 - ICE with member template and default targ.
150 * pt.c (tsubst_template_decl): Handle getting a type from
151 retrieve_specialization.
152
b3902d2e 153 PR c++/86586 - -fcompare-debug=-Wsign-compare.
154 * typeck.c (cp_build_binary_op): Don't fold for -Wsign-compare.
155
4c246688 156 PR c++/89331 - ICE with offsetof in incomplete class.
157 * semantics.c (finish_offsetof): Handle error_mark_node.
158 * typeck.c (build_class_member_access_expr): Call
159 complete_type_or_maybe_complain before converting to base.
160
589c66eb 161 PR c++/89917 - ICE with lambda in variadic mem-init.
162 * pt.c (make_pack_expansion): Change type_pack_expansion_p to false.
163
0ccdb705 1642019-04-01 Jason Merrill <jason@redhat.com>
165
166 PR c++/86946 - ICE with function call in template argument.
167 DR 1321
168 * pt.c (iterative_hash_template_arg) [CALL_EXPR]: Use
169 dependent_name.
170
00bc562a 1712019-04-01 Paolo Carlini <paolo.carlini@oracle.com>
172
173 PR c++/62207
174 * pt.c (tsubst_copy): Deal with lookup_name not returing a variable.
175
cf13db0c 1762019-03-31 Marek Polacek <polacek@redhat.com>
177
178 PR c++/89852 - ICE with C++11 functional cast with { }.
179 * constexpr.c (fold_non_dependent_expr_template): New static function
180 broken out of...
181 (fold_non_dependent_expr): ...here.
182 (fold_non_dependent_init): New function.
183 * cp-tree.h (fold_non_dependent_init): Declare.
184 * typeck2.c (massage_init_elt): Call fold_non_dependent_init instead
185 of fold_non_dependent_expr. Don't call maybe_constant_init.
186
439021c1 1872019-03-30 Jason Merrill <jason@redhat.com>
188
189 PR c++/89744 - ICE with specialization of member class template.
190 * pt.c (lookup_template_class_1): If the partial instantiation is
191 explicitly specialized, adjust.
192 (maybe_process_partial_specialization): Also adjust
193 CLASSTYPE_TI_ARGS.
194
9a6cce24 1952019-03-29 Jakub Jelinek <jakub@redhat.com>
196
197 PR sanitizer/89869
198 * typeck.c: Include gimplify.h.
199 (cp_build_modify_expr) <case COND_EXPR>: Unshare rhs before using it
200 for second time. Formatting fixes.
201
8e98407e 2022019-03-29 Marek Polacek <polacek@redhat.com>
203
204 PR c++/89876 - ICE with deprecated conversion.
205 * call.c (convert_like_real): Only give warnings with tf_warning.
206
fcec39e1 2072019-03-28 Marek Polacek <polacek@redhat.com>
208
facf139f 209 PR c++/89612 - ICE with member friend template with noexcept.
210 * pt.c (maybe_instantiate_noexcept): For function templates, use their
211 template result (function decl). Don't set up local specializations.
212 Temporarily turn on processing_template_decl. Update the template type
213 too.
214
fcec39e1 215 PR c++/89836 - bool constant expression and explicit conversions.
216 * call.c (build_converted_constant_expr_internal): New function,
217 renamed from...
218 (build_converted_constant_expr): ...this. New.
219 (build_converted_constant_bool_expr): New.
220 * cp-tree.h (build_converted_constant_bool_expr): Declare.
221 * decl.c (build_explicit_specifier): Call
222 build_converted_constant_bool_expr.
223
ad6978a6 2242019-03-28 Jakub Jelinek <jakub@redhat.com>
225
226 PR c++/89785
227 * constexpr.c (struct check_for_return_continue_data): New type.
228 (check_for_return_continue): New function.
229 (potential_constant_expression_1) <case SWITCH_STMT>: Walk
230 SWITCH_STMT_BODY to find RETURN_EXPRs or CONTINUE_STMTs not nested
231 in loop bodies and set *jump_target to that if found.
232
64e9a5e0 2332019-03-27 Jason Merrill <jason@redhat.com>
234
7fe010eb 235 PR c++/89831 - error with qualified-id in const member function.
236 * semantics.c (finish_non_static_data_member): Use object cv-quals
237 in scoped case, too.
238
8d96c4f0 239 PR c++/89421 - ICE with lambda in template parameter list.
64e9a5e0 240 * parser.c (cp_parser_lambda_expression): Also reject a lambda in a
241 template parameter list before C++20.
242 * pt.c (type_dependent_expression_p): True for LAMBDA_EXPR.
243 * semantics.c (begin_class_definition): Restore error about defining
244 non-lambda class in template parm list.
245
460e6a8c 2462019-03-26 Jason Merrill <jason@redhat.com>
247
a6cd883f 248 PR c++/86932 - missed SFINAE with empty pack.
249 * pt.c (coerce_template_parms): Don't add an empty pack if
250 tf_partial.
251 (fn_type_unification): Pass tf_partial to coerce_template_parms.
252
460e6a8c 253 PR c++/86429 - constexpr variable in lambda.
254 PR c++/82643
255 PR c++/87327
256 * constexpr.c (cxx_eval_constant_expression): In a lambda function,
257 try evaluating the captured variable directly.
258
024a645d 2592019-03-26 Jakub Jelinek <jakub@redhat.com>
260
261 PR c++/89796
262 * semantics.c (finish_omp_atomic): Add warning_sentinel for
263 -Wunused-value around finish_expr_stmt call.
264
ac557922 2652019-03-25 Paolo Carlini <paolo.carlini@oracle.com>
266
267 PR c++/84661
268 PR c++/85013
269 * parser.c (cp_parser_binary_expression): Don't call cp_fully_fold
270 to undo the disabling of warnings.
271
93877af7 2722019-03-25 Jason Merrill <jason@redhat.com>
273
274 PR c++/87748 - substitution failure error with decltype.
275 * pt.c (most_specialized_partial_spec): Clear
276 processing_template_decl.
277
1de8eb3e 2782019-03-25 Marek Polacek <polacek@redhat.com>
279
751baf9c 280 PR c++/89214 - ICE when initializing aggregates with bases.
281 * typeck2.c (digest_init_r): Warn about object slicing instead of
282 crashing.
283
1de8eb3e 284 PR c++/89705 - ICE with reference binding with conversion function.
285 * call.c (reference_binding): If the result of the conversion function
286 is a prvalue of non-class type, use the cv-unqualified type.
287
37682124 2882019-03-25 Nathan Sidwell <nathan@acm.org>
289
290 * lambda.c (maybe_add_lambda_conv_op): Don't add to comdat group.
291
84f13b2f 2922019-03-22 Jakub Jelinek <jakub@redhat.com>
293
8815602b 294 PR c++/60702
295 * cp-tree.h (get_tls_wrapper_fn): Remove declaration.
296 (maybe_get_tls_wrapper_call): Declare.
297 * decl2.c (get_tls_wrapper_fn): Make static.
298 (maybe_get_tls_wrapper_call): New function.
299 * typeck.c (build_class_member_access_expr): Handle accesses to TLS
300 variables.
301 * semantics.c (finish_qualified_id_expr): Likewise.
302 (finish_id_expression_1): Use maybe_get_tls_wrapper_call.
303 * pt.c (tsubst_copy_and_build): Likewise.
304
84f13b2f 305 PR c++/87481
306 * constexpr.c (struct constexpr_ctx): Add constexpr_ops_count member.
307 (cxx_eval_constant_expression): When not skipping, not constant class
308 or location wrapper, increment *ctx->constexpr_ops_count and if it is
309 above constexpr_loop_nest_limit, diagnose failure.
310 (cxx_eval_outermost_constant_expr): Add constexpr_ops_count and
311 initialize ctx.constexpr_ops_count to its address.
312 (is_sub_constant_expr): Likewise.
313
654b4632 3142019-03-21 Jakub Jelinek <jakub@redhat.com>
315
f03d9a13 316 PR c++/71446
317 * call.c (filed_in_pset): Change pset from hash_set<tree> * to
318 hash_set<tree, true> &, adjust uses accordingly.
319 (build_aggr_conv): Change pset from hash_set<tree> *
320 to hash_set<tree, true>. Replace goto fail; with return NULL;,
321 adjust pset uses.
322
654b4632 323 PR c++/89767
324 * parser.c (cp_parser_lambda_introducer): Add ids and first_capture_id
325 variables, check for duplicates in this function.
326 * lambda.c (add_capture): Don't check for duplicates nor use
327 IDENTIFIER_MARKED.
328 (register_capture_members): Don't clear IDENTIFIER_MARKED here.
329
e6c0a0e8 3302019-03-21 Paolo Carlini <paolo.carlini@oracle.com>
331
332 PR c++/89571
333 * method.c (after_nsdmi_defaulted_late_checks): Avoid passing
334 error_mark_node to comp_except_specs.
335
0f86e901 3362019-03-20 Jason Merrill <jason@redhat.com>
337
338 PR c++/87480 - decltype of member access in default template arg
339 * pt.c (type_unification_real): Accept a dependent result in
340 template context.
341
dc0cf270 3422019-03-19 Martin Sebor <msebor@redhat.com>
343
344 PR tree-optimization/89688
345 * typeck2.c (store_init_value): Call braced_lists_to_string for more
346 kinds of initializers.
347
640c769f 3482019-03-18 Jason Merrill <jason@redhat.com>
349
56c3aeaa 350 PR c++/89630 - ICE with dependent using-decl as template arg.
351 * tree.c (cp_tree_equal): Always return false for USING_DECL.
352
c821b0ef 353 PR c++/89761 - ICE with sizeof... in pack expansion.
354 * pt.c (argument_pack_element_is_expansion_p): Handle
355 ARGUMENT_PACK_SELECT.
356
4273f124 357 PR c++/89640 - GNU attributes on lambda.
358 * parser.c (cp_parser_lambda_declarator_opt): Allow GNU attributes.
359
640c769f 360 PR c++/89682 - wrong access error in default argument.
361 * pt.c (tsubst_default_argument): Don't defer access checks.
362
24c67877 3632019-03-18 Paolo Carlini <paolo.carlini@oracle.com>
364
365 PR c++/85014
366 * semantics.c (finish_non_static_data_member): Check return value
367 of context_for_name_lookup and immediately return error_mark_node
368 if isn't a type.
369
ce139b21 3702019-03-17 Jason Merrill <jason@redhat.com>
371
372 PR c++/89571 - ICE with ill-formed noexcept on constructor.
373 * pt.c (maybe_instantiate_noexcept): Only return false if defaulted.
374 (regenerate_decl_from_template): Use it for noexcept-specs.
375
773c8785 3762019-03-14 Jason Merrill <jason@redhat.com>
377
378 * parser.c (cp_parser_decl_specifier_seq): Support C++20
379 concept-definition syntax without 'bool'.
380
d0782a7e 3812019-03-14 Jakub Jelinek <jakub@redhat.com>
382
c17b0b28 383 PR c++/89512
384 * semantics.c (finish_qualified_id_expr): Reject variable templates.
385
d0782a7e 386 PR c++/89652
387 * constexpr.c (struct constexpr_ctx): Change save_exprs type from
388 hash_set<tree> to vec<tree>.
389 (cxx_eval_call_expression): Adjust for save_exprs being a vec instead
390 of hash_set.
391 (cxx_eval_loop_expr): Likewise. Truncate the vector after each
392 removal of SAVE_EXPRs from values.
393 (cxx_eval_constant_expression) <case SAVE_EXPR>: Call safe_push
394 method on save_exprs instead of add.
395
d28a979f 3962019-03-13 Jason Merrill <jason@redhat.com>
397
398 PR c++/86521 - C++17 copy elision in initialization by constructor.
399 * call.c (joust_maybe_elide_copy): New.
400 (joust): Call it.
401
e214ee76 4022019-03-13 Marek Polacek <polacek@redhat.com>
403
404 PR c++/88979 - further P0634 fix for constructors.
405 * parser.c (cp_parser_decl_specifier_seq): Pass flags to
406 cp_parser_constructor_declarator_p.
407 (cp_parser_direct_declarator): Allow missing typename for constructor
408 parameters.
409 (cp_parser_constructor_declarator_p): Add FLAGS parameter. Pass it to
410 cp_parser_type_specifier.
411
3c78ad42 412 PR c++/89686 - mixing init-capture and simple-capture in lambda.
413 * parser.c (cp_parser_lambda_introducer): Give error when combining
414 init-capture and simple-capture.
415
8b953246 416 PR c++/89660 - bogus error with -Wredundant-move.
417 * typeck.c (maybe_warn_pessimizing_move): Only accept (T &) &arg
418 as the std::move's argument. Don't call convert_for_initialization
419 when warn_redundant_move isn't on.
420
4ca87658 4212019-03-11 Jason Merrill <jason@redhat.com>
422
423 PR c++/86521 - wrong overload resolution with ref-qualifiers.
424 * call.c (build_user_type_conversion_1): Don't use a conversion to a
425 reference of the wrong rvalueness for direct binding.
426
f2a60d44 4272019-03-11 Martin Liska <mliska@suse.cz>
428
429 * cvt.c (build_expr_type_conversion): Wrap apostrophes
430 in gcc internal format with %'.
431 * decl.c (check_no_redeclaration_friend_default_args): Likewise.
432 (grokfndecl): Likewise.
433 * name-lookup.c (do_pushtag): Likewise.
434 * pt.c (unify_parameter_deduction_failure): Likewise.
435 (unify_template_deduction_failure): Likewise.
436
2f6d557f 4372019-03-11 Martin Liska <mliska@suse.cz>
438
439 * call.c (convert_arg_to_ellipsis): Wrap an option name
440 in a string format message and fix GNU coding style.
441 (build_over_call): Likewise.
442 * class.c (check_field_decl): Likewise.
443 (layout_nonempty_base_or_field): Likewise.
444 * constexpr.c (cxx_eval_loop_expr): Likewise.
445 * cvt.c (type_promotes_to): Likewise.
446 * decl.c (cxx_init_decl_processing): Likewise.
447 (mark_inline_variable): Likewise.
448 (grokdeclarator): Likewise.
449 * decl2.c (record_mangling): Likewise.
450 * error.c (maybe_warn_cpp0x): Likewise.
451 * except.c (doing_eh): Likewise.
452 * mangle.c (maybe_check_abi_tags): Likewise.
453 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
454 (cp_parser_userdef_numeric_literal): Likewise.
455 (cp_parser_primary_expression): Likewise.
456 (cp_parser_unqualified_id): Likewise.
457 (cp_parser_pseudo_destructor_name): Likewise.
458 (cp_parser_builtin_offsetof): Likewise.
459 (cp_parser_lambda_expression): Likewise.
460 (cp_parser_lambda_introducer): Likewise.
461 (cp_parser_lambda_declarator_opt): Likewise.
462 (cp_parser_selection_statement): Likewise.
463 (cp_parser_init_statement): Likewise.
464 (cp_parser_decomposition_declaration): Likewise.
465 (cp_parser_function_specifier_opt): Likewise.
466 (cp_parser_static_assert): Likewise.
467 (cp_parser_simple_type_specifier): Likewise.
468 (cp_parser_namespace_definition): Likewise.
469 (cp_parser_using_declaration): Likewise.
470 (cp_parser_ctor_initializer_opt_and_function_body): Likewise.
471 (cp_parser_initializer_list): Likewise.
472 (cp_parser_type_parameter_key): Likewise.
473 (cp_parser_member_declaration): Likewise.
474 (cp_parser_try_block): Likewise.
475 (cp_parser_std_attribute_spec): Likewise.
476 (cp_parser_requires_clause_opt): Likewise.
477 * pt.c (check_template_variable): Likewise.
478 (check_default_tmpl_args): Likewise.
479 (push_tinst_level_loc): Likewise.
480 (instantiate_pending_templates): Likewise.
481 (invalid_nontype_parm_type_p): Likewise.
482 * repo.c (get_base_filename): Likewise.
483 * rtti.c (typeid_ok_p): Likewise.
484 (build_dynamic_cast_1): Likewise.
485 * tree.c (maybe_warn_parm_abi): Likewise.
486
29005d9c 4872019-03-08 Jakub Jelinek <jakub@redhat.com>
488
000969f9 489 PR other/80058
490 * parser.c (cp_parser_template_declaration_after_parameters): Avoid
491 one space before " at the end of line and another after " on another
492 line in a string literal.
493
94a62c5a 494 PR tree-optimization/89550
495 * semantics.c (maybe_convert_cond): Only set TREE_NO_WARNING if
496 warning_at returned true.
497 * decl2.c (c_parse_final_cleanups): Likewise.
498 * typeck.c (convert_for_assignment): Likewise.
499 * decl.c (finish_function): Likewise.
500
222c113b 501 PR c++/89585
502 * parser.c (cp_parser_asm_definition): Just warn instead of error
503 on volatile qualifier outside of function body.
504
92651efb 505 PR c++/89599
506 * constexpr.c (potential_constant_expression_1): Reject
507 REINTERPRET_CAST_P NOP_EXPRs.
508
29005d9c 509 PR c++/89622
510 * call.c (joust): Call print_z_candidate only if pedwarn returned
511 true.
512
bddb19c4 5132019-03-07 Jason Merrill <jason@redhat.com>
514
84982f0e 515 PR c++/88123 - lambda and using-directive.
516 * name-lookup.c (op_unqualified_lookup)
517 (maybe_save_operator_binding, discard_operator_bindings)
518 (push_operator_bindings): New.
519 * typeck.c (build_x_binary_op, build_x_unary_op): Call
520 maybe_save_operator_binding.
521 * decl.c (start_preparsed_function): Call push_operator_bindings.
522 * tree.c (cp_free_lang_data): Call discard_operator_bindings.
523
bddb19c4 524 PR c++/88820 - ICE with CTAD and member template used in DMI.
525 * pt.c (do_class_deduction): Handle parm used as its own arg.
526
02a7fc59 5272019-03-07 Jakub Jelinek <jakub@redhat.com>
528
529 PR c++/89585
530 * parser.c (cp_parser_asm_definition): Parse asm qualifiers even
531 at toplevel, but diagnose them.
532
bc17f5fd 5332019-03-06 Jason Merrill <jason@redhat.com>
534
535 PR c++/89381 - implicit copy and using-declaration.
536 * class.c (classtype_has_move_assign_or_move_ctor_p): Don't consider
537 op= brought in by a using-declaration.
538
aa49bda0 5392019-03-06 Jakub Jelinek <jakub@redhat.com>
540
541 PR c++/87148
542 * init.c (build_value_init_noctor): Ignore flexible array members.
543
02daf5d2 5442019-03-06 Jason Merrill <jason@redhat.com>
545
546 PR c++/89576 - if constexpr of lambda capture.
547 * semantics.c (maybe_convert_cond): Do convert a non-dependent
548 condition in a template.
549 * typeck.c (condition_conversion): Handle being called in a
550 template.
551
55d0cc00 5522019-03-06 Marek Polacek <polacek@redhat.com>
553
554 PR c++/87378 - bogus -Wredundant-move warning.
555 * typeck.c (maybe_warn_pessimizing_move): See if the maybe-rvalue
556 overload resolution would actually succeed.
557
cd5a9ed1 5582019-03-05 Jason Merrill <jason@redhat.com>
559
560 * class.c (is_really_empty_class): Add ignore_vptr parm.
561 (trivial_default_constructor_is_constexpr): Pass it.
562 * call.c (build_over_call): Pass it.
563 * constexpr.c (cxx_eval_constant_expression): Pass it instead of
564 checking TYPE_POLYMORPHIC_P.
565 (cxx_eval_component_reference, potential_constant_expression_1):
566 Pass it.
567 * cp-gimplify.c (simple_empty_class_p): Pass it.
568 * init.c (expand_aggr_init_1): Pass it.
569
1751c288 5702019-03-04 Paolo Carlini <paolo.carlini@oracle.com>
571
572 PR c++/84605
573 * parser.c (cp_parser_class_head): Reject TYPE_BEING_DEFINED too.
574
10599713 5752019-03-04 Jakub Jelinek <jakub@redhat.com>
576
577 PR c++/71446
578 * call.c (field_in_pset): New function.
579 (build_aggr_conv): Handle CONSTRUCTOR_IS_DESIGNATED_INIT correctly.
580
73e3d2ee 5812019-03-02 Jakub Jelinek <jakub@redhat.com>
582
583 PR c++/71446
584 * cp-tree.h (CONSTRUCTOR_IS_DESIGNATED_INIT): Define.
585 * parser.c (cp_parser_braced_list): Adjust cp_parser_initializer_list
586 caller, set CONSTRUCTOR_IS_DESIGNATED_INIT.
587 (cp_parser_initializer_list): Add designated parameter, set *designated
588 to a bool whether any designators were parsed.
589 * decl.c (reshape_init): Copy over CONSTRUCTOR_IS_DESIGNATED_INIT if
590 needed.
591 * pt.c (tsubst_copy_and_build): Likewise.
592 * call.c (implicit_conversion): If CONSTRUCTOR_IS_DESIGNATED_INIT,
593 don't call build_list_conv, nor build_complex_conv, nor attempt to
594 convert a single element initializer to scalar.
595
f409a882 5962019-03-01 Marek Polacek <polacek@redhat.com>
597
ae8e3cb6 598 PR c++/89537 - missing location for error with non-static member fn.
599 * call.c (resolve_args): Use EXPR_LOCATION.
600 * typeck.c (build_class_member_access_expr): Use input_location.
601
f409a882 602 PR c++/89532 - ICE with incomplete type in decltype.
603 * semantics.c (finish_compound_literal): Return error_mark_node
604 if digest_init_flags returns error_mark_node.
605
b279a142 6062019-03-01 Jakub Jelinek <jakub@redhat.com>
607
608 Implement P1002R1, Try-catch blocks in constexpr functions
609 PR c++/89513
610 * parser.c (cp_parser_ctor_initializer_opt_and_function_body):
611 Diagnose constexpr ctor or function with function-try-block with
612 pedwarn for c++17 and earlier. Formatting fix.
613 (cp_parser_try_block): Use pedwarn instead of error and only for
614 c++17 and earlier when try block appears in constexpr function.
615 * constexpr.c (build_constexpr_constructor_member_initializers):
616 Handle TRY_BLOCK here instead of erroring on it.
617
c7110ca7 6182019-02-28 Jason Merrill <jason@redhat.com>
619
bb019931 620 PR c++/88183 - ICE with .* fold-expression.
621 * pt.c (fold_expression) [DOTSTAR_EXPR]: Remove special handling.
622
9b4cf3ba 623 PR c++/86969 - ICE with constexpr if and recursive generic lambdas.
624 * class.c, lambda.c, pt.c: Revert earlier change.
625 * lambda.c (add_capture): Don't special-case capture of dependent
626 VLA.
627
c7110ca7 628 * name-lookup.c (print_binding_level): Print this_entity.
629
90c2137c 6302019-02-27 Marek Polacek <polacek@redhat.com>
631
632 PR c++/88857 - ICE with value-initialization of argument in template.
633 * call.c (convert_like_real): Don't call build_value_init in template.
634
9ecd4044 6352019-02-27 Jason Merrill <jason@redhat.com>
636
637 PR c++/86969 - ICE with constexpr if and recursive generic lambdas.
638 * semantics.c (process_outer_var_ref): Do capture dependent vars.
639 * class.c (finish_struct): Only add TAG_DEFN if T is in
640 current_function_decl.
641 * lambda.c (vla_capture_type): Force the capture type out into the
642 lambda's enclosing function.
643 (add_capture): Pass in the lambda.
644 * pt.c (tsubst_lambda_expr): complete_type a VLA capture type.
645
7304edd1 6462019-02-27 Marek Polacek <polacek@redhat.com>
647
648 PR c++/89511 - ICE with using-declaration and unscoped enumerator.
649 * parser.c (cp_parser_using_declaration): For an unscoped enum
650 only use its context if it's not a function declaration.
651
c9f30cbb 6522019-02-27 Paolo Carlini <paolo.carlini@oracle.com>
653
654 PR c++/89488
655 * method.c (process_subob_fn): When maybe_instantiate_noexcept
656 returns false don't call merge_exception_specifiers.
657
6582019-02-27 Paolo Carlini <paolo.carlini@oracle.com>
659
660 PR c++/88987
661 * parser.c (cp_parser_noexcept_specification_opt): Return NULL_TREE
662 for a non-constant parsed expression.
663
a165fd90 6642019-02-26 Jakub Jelinek <jakub@redhat.com>
665
666 PR c++/89481
667 * constexpr.c (cxx_eval_store_expression): When changing active union
668 member, set no_zero_init.
669
c005651d 6702019-02-23 Marek Polacek <polacek@redhat.com>
671
672 PR c++/88294 - ICE with non-constant noexcept-specifier.
673 * pt.c (maybe_instantiate_noexcept): Set up the list of local
674 specializations. Set current_class_{ptr,ref}.
675
689cc9b6 6762019-02-22 David Malcolm <dmalcolm@redhat.com>
677
678 PR c++/89390
679 * parser.c (cp_parser_unqualified_id): Capture and use locations
680 for destructors.
681
e7652833 6822019-02-22 Marek Polacek <polacek@redhat.com>
683
684 PR c++/89420 - ICE with CAST_EXPR in explicit-specifier.
685 * decl.c (build_explicit_specifier): Don't check
686 processing_template_decl. Call instantiation_dependent_expression_p
687 instead of value_dependent_expression_p. Call
688 instantiate_non_dependent_expr_sfinae before
689 build_converted_constant_expr instead of calling
690 instantiate_non_dependent_expr after it. Add
691 processing_template_decl_sentinel.
692
51391c1d 6932019-02-22 Thomas Schwinge <thomas@codesourcery.com>
694
695 * parser.c (cp_parser_oacc_simple_clause): Remove parser formal
696 parameter, move loc formal parameter to the front. Adjust all
697 users.
698 (cp_parser_oacc_shape_clause): Add loc formal parameter. Adjust
699 all users.
700
b6700c1a 7012019-02-21 Jason Merrill <jason@redhat.com>
702
532cca3f 703 PR c++/87685 - generic lambda 'this' capture error.
704 * lambda.c (lambda_expr_this_capture): Change add_capture_p to int.
705 (maybe_generic_this_capture): Pass -1.
706
a7ea8f96 707 PR c++/88394 - ICE with VLA init-capture.
708 * lambda.c (is_normal_capture_proxy): Check DECL_CAPTURED_VARIABLE.
709
e2d4b8be 710 PR c++/88869 - C++17 ICE with CTAD and explicit specialization.
711 * pt.c (do_class_deduction): Don't include explicit specialization
712 args in outer_args.
713
b6700c1a 714 PR c++/89422 - ICE with -g and lambda in default arg in template.
715 * pt.c (tsubst_function_decl): SET_DECL_FRIEND_CONTEXT sooner.
716
147a31b6 7172019-02-21 Jason Merrill <jason@redhat.com>
718
719 PR c++/88419 - C++17 ICE with class template arg deduction.
720 * pt.c (make_template_placeholder): Set TYPE_CANONICAL after
721 CLASS_PLACEHOLDER_TEMPLATE.
722
02d7a132 7232019-02-21 Jakub Jelinek <jakub@redhat.com>
724
725 PR c++/89285
726 * constexpr.c (struct constexpr_fundef): Add parms and result members.
727 (retrieve_constexpr_fundef): Adjust for the above change.
728 (register_constexpr_fundef): Save constexpr body with copy_fn,
729 temporarily set DECL_CONTEXT on DECL_RESULT before that.
730 (get_fundef_copy): Change FUN argument to FUNDEF with
731 constexpr_fundef * type, grab body and parms/result out of
732 constexpr_fundef struct and temporarily change it for copy_fn calls
733 too.
734 (cxx_eval_builtin_function_call): For __builtin_FUNCTION temporarily
735 adjust current_function_decl from ctx->call context. Test
736 !potential_constant_expression instead of !is_constant_expression.
737 (cxx_bind_parameters_in_call): Grab parameters from new_call. Undo
738 convert_for_arg_passing changes for TREE_ADDRESSABLE type passing.
739 (cxx_eval_call_expression): Adjust get_fundef_copy caller.
740 (cxx_eval_conditional_expression): For IF_STMT, allow then or else
741 operands to be NULL.
742 (label_matches): Handle BREAK_STMT and CONTINUE_STMT.
743 (cxx_eval_loop_expr): Add support for FOR_STMT, WHILE_STMT and DO_STMT.
744 (cxx_eval_switch_expr): Add support for SWITCH_STMT.
745 (cxx_eval_constant_expression): Handle IF_STMT, FOR_STMT, WHILE_STMT,
746 DO_STMT, CONTINUE_STMT, SWITCH_STMT, BREAK_STMT and CONTINUE_STMT.
747 For SIZEOF_EXPR, recurse on the result of fold_sizeof_expr. Ignore
748 DECL_EXPR with USING_DECL operand.
749 * lambda.c (maybe_add_lambda_conv_op): Build thisarg using
750 build_int_cst to make it a valid constant expression.
751
dcd8f919 7522019-02-20 Jason Merrill <jason@redhat.com>
753
754 PR c++/88690 - C++17 ICE with empty base in aggregate.
755 * typeck2.c (process_init_constructor_record): Skip trivial
756 initialization of an empty base.
757
309e5f71 7582019-02-21 Richard Biener <rguenther@suse.de>
759
760 PR middle-end/89392
761 * vtable-class-hierarchy.c (vtv_generate_init_routine): Do not
762 make symtab process new functions here.
763
4e60ed29 7642019-02-20 Jason Merrill <jason@redhat.com>
765
766 PR c++/87921 - wrong error with inline static data member.
767 * decl2.c (finish_static_data_member_decl): Don't set DECL_IN_AGGR_P
768 for a non-template inline variable. Do nothing for an
769 already-instantiated variable.
770 (c_parse_final_cleanups): Check DECL_IN_AGGR_P without
771 DECL_INLINE_VAR_P.
772 * decl.c (check_initializer): Likewise.
773 (make_rtl_for_nonlocal_decl): Likewise.
774 * pt.c (instantiate_decl): Likewise.
775 * typeck2.c (store_init_value): Likewise.
776
b47245f1 7772019-02-20 Jakub Jelinek <jakub@redhat.com>
778
0c3f2aa9 779 PR c++/89403
780 * decl2.c (c_parse_final_cleanups): Move TREE_ASM_WRITTEN setting
781 for flag_syntax_only from here...
782 * semantics.c (expand_or_defer_fn_1): ... here.
783
02dc6028 784 PR c++/89405
785 * decl.c (maybe_commonize_var): When clearing TREE_PUBLIC and
786 DECL_COMMON, set DECL_INTERFACE_KNOWN.
787
b47245f1 788 PR c++/89336
789 * constexpr.c (cxx_eval_store_expression): Diagnose changing of active
790 union member for -std=c++17 and earlier.
791
af48cea2 7922019-02-19 Jason Merrill <jason@redhat.com>
793
794 PR c++/87513 - 'sorry' mangling PMF template-id.
795 * mangle.c (write_expression): Handle SCOPE_REF to BASELINK.
796
fd8a4665 7972019-02-19 Jason Merrill <jason@redhat.com>
798
799 PR c++/88380 - wrong-code with flexible array and NSDMI.
800 * typeck2.c (process_init_constructor_record): Skip flexarrays.
801
53ceddc9 8022019-02-20 will wray <wjwray@gmail.com>
803
804 PR c++/88572 - wrong handling of braces on scalar init.
805 * decl.c (reshape_init_r): Allow braces around scalar initializer
806 within aggregate init. Reject double braced-init of scalar
807 variable.
808
ab0fbe16 8092019-02-20 Paolo Carlini <paolo.carlini@oracle.com>
810
811 PR c++/84536
812 * pt.c (tsubst_init): Diagnose an initializer expanding to an
813 empty list of expressions; tweak wrt dependent types.
814 (regenerate_decl_from_template): For VAR_DECLs call tsubst_init
815 instead of tsubst_expr.
816
ce7f22f1 8172019-02-19 Jason Merrill <jason@redhat.com>
818
819 PR c++/88368 - wrong 'use of deleted function'
820 * method.c (walk_field_subobs): Remember errors from get_nsdmi.
821 (get_defaulted_eh_spec): Call push_tinst_level.
822 * pt.c (maybe_instantiate_noexcept): Keep error_mark_node.
823 * typeck2.c (merge_exception_specifiers): Handle error_mark_node.
824
d572a4c3 8252019-02-19 Chung-Lin Tang <cltang@codesourcery.com>
826
827 PR c/87924
828 * parser.c (cp_parser_oacc_clause_wait): Add representation of wait
829 clause without argument as 'wait (GOMP_ASYNC_NOVAL)', adjust comments.
830
31358ed0 8312019-02-19 Jakub Jelinek <jakub@redhat.com>
832
5ebe5c44 833 PR c++/89387
834 * lambda.c (maybe_generic_this_capture): Don't check
835 DECL_NONSTATIC_MEMBER_FUNCTION_P on USING_DECLs.
836
fcea8c4d 837 PR c++/89391
838 * typeck.c (build_reinterpret_cast_1): Don't handle void to
839 && conversion go through build_target_expr_with_type.
840
31358ed0 841 PR c++/89390
842 * error.c (qualified_name_lookup_error): Only call
843 suggest_alternative_in_scoped_enum if name is IDENTIFIER_NODE.
844
25694c85 8452019-02-19 Tom Honermann <tom@honermann.net>
846
847 * name-lookup.c (get_std_name_hint): Added u8string as a name hint.
848
a1e1b603 8492019-02-18 Jason Merrill <jason@redhat.com>
850
6aaacaf1 851 PR c++/89336 - multiple stores in constexpr stmt.
852 * constexpr.c (cxx_eval_store_expression): Preevaluate scalar or
853 assigned value.
854
f6347d1a 855 * pt.c (check_explicit_specialization): If the declarator is a
856 template-id, only check whether the arguments are dependent.
857
a1e1b603 858 Improve duplicate [[likely]] diagnostic.
859 * parser.c (cp_parser_statement): Make attrs_loc a range. Pass it
860 to process_stmt_hotness_attribute.
861 * cp-gimplify.c (process_stmt_hotness_attribute): Take attrs_loc.
862 (genericize_if_stmt): Use likely/unlikely instead of predictor_name.
863
33e6651d 8642019-02-17 Marek Polacek <polacek@redhat.com>
865
866 PR c++/89217 - ICE with list-initialization in range-based for loop.
867 * constexpr.c (unshare_constructor): No longer static.
868 * cp-tree.h (unshare_constructor): Declare.
869 * semantics.c (finish_compound_literal): When dealing with a
870 non-dependent expression in a template, return the original
871 expression. Pass LOOKUP_NO_NARROWING to digest_init_flags.
872
3a860627 8732019-02-13 Marek Polacek <polacek@redhat.com>
874
875 PR c++/89297 - ICE with OVERLOAD in template.
876 * semantics.c (finish_compound_literal): Call
877 instantiate_non_dependent_expr_sfinae.
878
601c59dd 8792019-02-13 Alexandre Oliva <aoliva@redhat.com>
880
40563cf7 881 PR c++/86379
882 * cp-tree.h (USING_DECL_SCOPE): Use result rather than type.
883 * name-lookup.c (strip_using_decl): Use USING_DECL_SCOPE.
884 * search.c (protected_accessible_p): Follow USING_DECL_DECLS.
885 (shared_member_p): Likewise.
886 (lookup_member): Likewise.
887 * decl.c (grok_special_member_properties): Skip USING_DECLs.
888 * semantics.c (finish_omp_declare_simd_methods): Likewise.
889 (finish_qualified_id_expr): Do not call shared_member_p with
890 a dependent expr.
891
601c59dd 892 PR c++/87322
893 * pt.c (tsubst_lambda_expr): Avoid duplicate tsubsting.
894 Move cp_evaluated resetting before signature tsubsting.
895 (gen_elem_of_pack_expansion_instantiation): Separate local
896 specializations per index.
897
f2da1a76 8982019-02-13 David Malcolm <dmalcolm@redhat.com>
899
900 PR c++/89036
901 * class.c (add_method): Drop destructor assertion.
902
64bd49fa 9032019-02-13 Paolo Carlini <paolo.carlini@oracle.com>
904
905 PR c++/88986
906 * decl.c (make_typename_type): Allow for TYPE_PACK_EXPANSION as
907 context (the first argument).
908 * pt.c (tsubst, case TYPENAME_TYPE): Handle TYPE_PACK_EXPANSION
909 as context.
910
c8e19553 9112019-02-12 Jason Merrill <jason@redhat.com>
912
913 PR c++/89144 - link error with constexpr initializer_list.
914 * call.c (convert_like_real) [ck_list]: Don't allocate a temporary
915 array for an empty list.
916 * typeck2.c (store_init_value): Don't use cxx_constant_init in a
917 template.
918
33fe677e 9192019-02-11 Jason Merrill <jason@redhat.com>
920
921 PR c++/89241 - ICE with __func__ in lambda in template.
922 * pt.c (enclosing_instantiation_of): Also check
923 instantiated_lambda_fn_p for the template context.
924
44263306 9252019-02-11 Marek Polacek <polacek@redhat.com>
926
927 PR c++/89212 - ICE converting nullptr to pointer-to-member-function.
928 * pt.c (tsubst_copy_and_build) <case CONSTRUCTOR>: Return early for
929 null member pointer value.
930
61b94553 9312019-02-11 Jakub Jelinek <jakub@redhat.com>
932
933 PR c++/88977
934 * pt.c (convert_nontype_argument): Pass true as manifestly_const_eval
935 to maybe_constant_value calls.
936
b10193f4 9372019-02-11 Marek Polacek <polacek@redhat.com>
938
939 * typeck2.c (digest_init_r): Remove commented code.
940
08acf739 9412019-02-11 Martin Sebor <msebor@redhat.com>
942
943 PR c++/87996
944 * decl.c (compute_array_index_type_loc): Preserve signed sizes
945 for diagnostics. Call valid_array_size_p instead of error.
946 * init.c (build_new_1): Compute size for diagnostic. Call
947 invalid_array_size_error
948 (build_new): Call valid_array_size_p instead of error.
949
939d44f3 9502019-02-07 Alexandre Oliva <aoliva@redhat.com>
951
952 PR c++/86218
953 * call.c (compare_ics): Deal with ck_aggr in either cs.
954
c92ab8d4 9552019-02-06 David Malcolm <dmalcolm@redhat.com>
956
957 PR c++/71302
958 * call.c (get_location_for_expr_unwinding_for_system_header): New
959 function.
960 (conversion_null_warnings): Use it when getting locations for
961 EXPR, effectively adding a call to
962 get_location_for_expr_unwinding_for_system_header for
963 -Wconversion-null and making use of EXPR_LOCATION for
964 -Wzero-as-null-pointer-constant.
965
b5a6b127 9662019-02-05 Jakub Jelinek <jakub@redhat.com>
967
968 PR c++/89187
969 * optimize.c (maybe_thunk_body): Clear TREE_ADDRESSABLE on
970 PARM_DECLs of the thunk.
971 * lambda.c (maybe_add_lambda_conv_op): Likewise.
972
74ce2ebb 9732019-02-05 Marek Polacek <polacek@redhat.com>
974
975 PR c++/89158 - by-value capture of constexpr variable broken.
976 * call.c (convert_like_real) <case ck_user>: Call mark_exp_read
977 instead of mark_rvalue_use.
978
9ca54fa1 9792019-02-05 Alexandre Oliva <aoliva@redhat.com>
980
981 PR c++/87770
982 * pt.c (instantiates_primary_template_p): New.
983 (type_dependent_expression_p): Use it.
984
c758dd5a 9852019-02-01 Jason Merrill <jason@redhat.com>
986
987 PR c++/88761 - ICE with reference capture of constant.
988 * lambda.c (mark_const_cap_r): Do walk subtrees of DECL_EXPR for
989 non-proxy decls.
990
bdb43276 9912019-02-01 Marek Polacek <polacek@redhat.com>
992
993 PR c++/88325 - ICE with invalid out-of-line template member definition.
994 * parser.c (cp_parser_class_name): Don't call make_typename_type
995 for overloads.
996
5ab8180e 9972019-02-01 Jakub Jelinek <jakub@redhat.com>
998
999 PR c++/87175
1000 * parser.c (cp_parser_gnu_attributes_opt): Set ok to false
1001 if require_open failed.
1002
c8f861a0 10032019-01-31 Marek Polacek <polacek@redhat.com>
1004
1005 PR c++/89083, c++/80864 - ICE with list initialization in template.
1006 * constexpr.c (adjust_temp_type): Use copy_node and change the type
1007 instead of using build_constructor.
1008 * decl.c (reshape_init_r): Don't reshape a digested initializer.
1009 Return the initializer for COMPOUND_LITERAL_P.
1010
f1329be6 1011 PR c++/88983 - ICE with switch in constexpr function.
1012 * constexpr.c (cxx_eval_switch_expr): Use SWITCH_COND and SWITCH_BODY.
1013 (cxx_eval_constant_expression) <case COND_EXPR>: Don't look for the
1014 label in the else branch if we found it in the then branch.
1015
8c28f0ef 10162019-01-30 Jason Merrill <jason@redhat.com>
1017
1018 PR c++/88752 - ICE with lambda and constexpr if.
1019 * cp-tree.h (LAMBDA_EXPR_INSTANTIATED): New.
1020 * pt.c (tsubst_lambda_expr): Set it.
1021 (instantiated_lambda_fn_p): Check it.
1022 (enclosing_instantiation_of): Use it.
1023
abb9ae66 10242019-01-31 Jakub Jelinek <jakub@redhat.com>
1025
1026 PR libstdc++/88170
1027 * cxx-pretty-print.c (pp_cxx_enumeration_constant): Print always as
1028 a C cast in pp_c_flag_gnu_v3 mode.
1029
9b0e9786 10302019-01-30 Jakub Jelinek <jakub@redhat.com>
1031
1032 PR c++/88988
1033 * lambda.c (is_capture_proxy): Don't return true for
1034 DECL_OMP_PRIVATIZED_MEMBER artificial vars.
1035
7066144a 10362019-01-30 Marek Polacek <polacek@redhat.com>
1037
1038 PR c++/89119 - ICE with value-initialization in template.
1039 * pt.c (tsubst_copy_and_build): Handle RANGE_EXPR.
1040
64e3499e 10412019-01-29 Jason Merrill <jason@redhat.com>
1042
1043 PR c++/86943 - wrong code converting lambda to function pointer.
1044 * lambda.c (maybe_add_lambda_conv_op): Use a template-id in the
1045 call. Only forward parms for decltype.
1046 * pt.c (tsubst_copy_and_build) [CALL_EXPR]: Handle CALL_FROM_THUNK_P
1047 specially.
1048 * typeck.c (check_return_expr): Don't mess with a thunk call.
1049
107cba11 10502019-01-28 Jason Merrill <jason@redhat.com>
1051
1052 PR c++/89089 - ICE with [[no_unique_address]].
1053 PR c++/88865 - wrong layout with [[no_unique_address]].
1054 * class.c (check_field_decls): A potentially-overlapping field makes
1055 the class non-layout-POD, but not non-empty.
1056 (end_of_class): Always consider empty data members.
1057 (layout_class_type): Set DECL_SIZE for empty fields.
1058
44da2a17 10592019-01-28 Marek Polacek <polacek@redhat.com>
1060
1061 PR c++/88358 - name wrongly treated as type.
1062 * parser.c (cp_parser_direct_declarator): Don't assume a qualified-id
1063 in parameter-list is a type if the function's declarator-id is not
1064 qualified.
1065
1d41b42f 10662019-01-27 Marek Polacek <polacek@redhat.com>
1067
b7feeace 1068 PR c++/88815 - narrowing conversion lost in decltype.
1069 PR c++/78244 - narrowing conversion in template not detected.
1070 * cp-tree.h (CONSTRUCTOR_IS_DEPENDENT): New.
1071 * pt.c (instantiation_dependent_r): Consider a CONSTRUCTOR with
1072 CONSTRUCTOR_IS_DEPENDENT instantiation-dependent.
1073 * semantics.c (finish_compound_literal): When the compound literal
1074 isn't instantiation-dependent and the type isn't type-dependent,
1075 fall back to the normal processing. Set CONSTRUCTOR_IS_DEPENDENT.
1076
1d41b42f 1077 PR c++/89024 - ICE with incomplete enum type.
1078 * call.c (standard_conversion): When converting an
1079 ARITHMETIC_TYPE_P to an incomplete type, return NULL.
1080
837ddebd 10812019-01-25 Paolo Carlini <paolo.carlini@oracle.com>
1082
1083 PR c++/88969
1084 * call.c (build_op_delete_call): Implement 7.6.2.5/(10.1).
1085 * decl2.c (coerce_delete_type): Use build_pointer_type instead
1086 of TYPE_POINTER_TO.
1087
8c89c5fc 10882019-01-24 Jason Merrill <jason@redhat.com>
1089
1090 PR c++/89001 - mangling of reference temporaries
1091 * cp-tree.h (struct saved_scope): Add ref_temp_count.
1092 (current_ref_temp_count): New macro.
1093 * mangle.c (mangle_ref_init_variable): Use it.
1094 * typeck2.c (store_init_value): Clear it.
1095 * call.c (make_temporary_var_for_ref_to_temp): Copy public and
1096 comdat.
1097
b5e76680 10982019-01-24 Jakub Jelinek <jakub@redhat.com>
1099
1100 PR c++/88976
1101 * semantics.c (finish_omp_cancel): Diagnose more than one if
1102 on #pragma omp cancel with different modifiers. Use
1103 maybe_convert_cond when not in template or build_x_binary_op
1104 otherwise.
1105
dffbcba8 11062019-01-23 Marek Polacek <polacek@redhat.com>
1107
1108 PR c++/88757 - qualified name treated wrongly as type.
1109 * parser.c (cp_parser_direct_declarator): Don't treat qualified-ids
1110 in parameter-list as types if name lookup for declarator-id didn't
1111 find one or more function templates.
1112
1f03c410 11132019-01-23 Jakub Jelinek <jakub@redhat.com>
1114
8090d51c 1115 PR c/44715
1116 * cp-gimplify.c (genericize_cp_loop): Call begin_bc_block only
1117 after genericizing cond and incr expressions.
1118
1f03c410 1119 PR c++/88984
1120 * cp-gimplify.c (genericize_switch_stmt): Move cond genericization
1121 before the begin_bc_block call.
1122
48c03f15 11232019-01-21 Jason Merrill <jason@redhat.com>
1124
1125 PR c++/87893 - constexpr ctor ICE on ARM.
1126 PR c++/88293 - ICE with comma expression.
1127 * constexpr.c (initialized_type): Don't shortcut non-void type.
1128 Handle COMPOUND_EXPR.
1129 (cxx_eval_outermost_constant_expr): Return early for void type.
1130
99bf4b63 11312019-01-21 Jakub Jelinek <jakub@redhat.com>
1132
77fe9474 1133 PR c++/88949
1134 * optimize.c (cxx_copy_decl): New function.
1135 (clone_body): Use it instead of copy_decl_no_change.
1136
99bf4b63 1137 PR sanitizer/88901
1138 * typeck.c (cp_build_binary_op): Don't instrument
1139 SANITIZE_POINTER_COMPARE if processing_template_decl.
1140 (pointer_diff): Similarly for SANITIZE_POINTER_SUBTRACT.
1141
ecd2d842 11422019-01-18 Jason Merrill <jason@redhat.com>
1143
1144 PR c++/88875 - error with explicit list constructor.
1145 * call.c (reference_binding): Don't modify EXPR. Set
1146 need_temporary_p on the ck_user conversion for a temporary.
1147 (convert_like_real): Check it.
1148
6d4e8a95 11492019-01-18 H.J. Lu <hongjiu.lu@intel.com>
1150
1151 PR c/51628
1152 PR c/88664
1153 * call.c (convert_for_arg_passing): Upate the
1154 warn_for_address_or_pointer_of_packed_member call.
1155 * typeck.c (convert_for_assignment): Likewise.
1156
9d3c4130 11572019-01-17 Jason Merrill <jason@redhat.com>
1158
bc9c0483 1159 PR c++/86205 - ICE with ?: of throw and template-id.
1160 * pt.c (resolve_nondeduced_context_or_error): Split out from...
1161 * typeck.c (decay_conversion): ...here.
1162 * call.c (build_conditional_expr_1): Use it.
1163
9d3c4130 1164 PR c++/86740, ICE with constexpr if and nested generic lambdas.
1165 * tree.c (cp_walk_subtrees): Handle LAMBDA_EXPR.
1166
0f910e62 11672019-01-17 Paolo Carlini <paolo.carlini@oracle.com>
1168
1169 * decl.c (grokdeclarator): Use typespec_loc in error messages
1170 about 'auto' and trailing return type.
1171
098cc8f0 11722019-01-17 David Malcolm <dmalcolm@redhat.com>
1173
1174 PR c++/88699
1175 * class.c (add_method): Don't use DECL_DESTRUCTOR_P on
1176 USING_DECLs.
1177
a395125a 11782019-01-17 Nathan Sidwell <nathan@acm.org>
1179
1180 PR c++/86610
1181 * semantics.c (process_outer_var_ref): Only skip dependent types
1182 in templates.
1183
5461905d 11842019-01-17 Alexandre Oliva <aoliva@redhat.com>
1185
c5f929a4 1186 PR c++/87768
1187 * cp-tree.h (saved_scope): Add suppress_location_wrappers.
1188 * name-lookup.c (do_push_to_top_level): Save and reset it.
1189 (do_pop_from_top_level): Restore it.
1190
f97941b7 1191 PR c++/86648
1192 * pt.c (make_template_placeholder): Use auto_identifier.
1193 (is_auto): Drop CLASS_PLACEHOLDER_TEMPLATE test.
1194 * error.c (dump_type): Handle template placeholders.
1195 * cxx-pretty-print.c (pp_cx_unqualified_id): Likewise.
1196
5461905d 1197 PR c++/88146
1198 * cvt.c (convert_to_void): Handle all cdtor calls as if
1199 returning void.
1200
b92cc3ed 12012019-01-16 Paolo Carlini <paolo.carlini@oracle.com>
1202
1203 * decl.c (grokdeclarator): Use locations[ds_storage_class] in
1204 error messages about ill-formed uses of mutable.
1205
9fc2172c 12062019-01-16 Marek Polacek <polacek@redhat.com>
1207
1208 PR c++/78244 - narrowing conversion in template not detected.
1209 * call.c (perform_implicit_conversion_flags): Set
1210 IMPLICIT_CONV_EXPR_BRACED_INIT.
1211 * cp-tree.h (IMPLICIT_CONV_EXPR_BRACED_INIT): New.
1212 * pt.c (tsubst_copy_and_build): Use it.
1213
727d210b 12142019-01-15 David Malcolm <dmalcolm@redhat.com>
1215
1216 PR c++/88795
1217 * pt.c (build_deduction_guide): Bail out if tsubst_arg_types
1218 fails.
1219
39a51021 12202019-01-15 Paolo Carlini <paolo.carlini@oracle.com>
1221
1222 * decl.c (start_decl): Improve error location.
1223 * decl2.c (grokfield): Likewise.
1224
12252019-01-15 Paolo Carlini <paolo.carlini@oracle.com>
1226
1227 * decl.c (grokdeclarator): Move further up the location_t loc
1228 declaration and use the location when building a TYPE_DECL for
1229 a typedef name.
1230 * decl2.c (grokbitfield): Use DECL_SOURCE_LOCATION in the error
1231 about an ill-formed bit-field as typedef.
1232
affca1c8 12332019-01-14 Marek Polacek <polacek@redhat.com>
1234
1235 PR c++/88830 - ICE with abstract class.
1236 * decl2.c (maybe_emit_vtables): Check CLASSTYPE_LAZY_DESTRUCTOR.
1237 Fix formatting.
1238
9f8a8956 1239 PR c++/88825 - ICE with bogus function return type deduction.
1240 * typeck.c (can_do_nrvo_p): Check error_mark_node.
1241
82362779 12422019-01-14 Tom Honermann <tom@honermann.net>
1243
1244 Implement P0482R5, char8_t: A type for UTF-8 characters and strings
1245 * cvt.c (type_promotes_to): Handle char8_t promotion.
1246 * decl.c (grokdeclarator): Handle invalid type specifier
1247 combinations involving char8_t.
1248 * lex.c (init_reswords): Add char8_t as a reserved word.
1249 * mangle.c (write_builtin_type): Add name mangling for char8_t (Du).
1250 * parser.c (cp_keyword_starts_decl_specifier_p)
1251 (cp_parser_simple_type_specifier): Recognize char8_t as a simple
1252 type specifier.
1253 (cp_parser_string_literal): Use char8_array_type_node for the type
1254 of CPP_UTF8STRING.
1255 (cp_parser_set_decl_spec_type): Tolerate char8_t typedefs in system
1256 headers.
1257 * rtti.c (emit_support_tinfos): type_info support for char8_t.
1258 * tree.c (char_type_p): Recognize char8_t as a character type.
1259 * typeck.c (string_conv_p): Handle conversions of u8 string
1260 literals of char8_t type.
1261 (check_literal_operator_args): Handle UDLs with u8 string literals
1262 of char8_t type.
1263 * typeck2.c (ordinary_char_type_p): New.
1264 (digest_init_r): Disallow initializing a char array with a u8 string
1265 literal.
1266
bf4eb32b 12672019-01-14 Martin Liska <mliska@suse.cz>
1268
1269 PR gcov-profile/88263
1270 * decl2.c (get_tls_wrapper_fn): Use DECL_SOURCE_LOCATION
1271 as location of the TLS wrapper.
1272
2fa582a9 12732019-01-12 Paolo Carlini <paolo.carlini@oracle.com>
1274
1275 * decl.c (cp_finish_decl): Improve error location.
1276 * decl2.c (grokfield): Likewise, improve two locations.
1277
0b5957b9 12782019-01-11 Marek Polacek <polacek@redhat.com>
1279
1280 PR c++/88692, c++/87882 - -Wredundant-move false positive with *this.
1281 * typeck.c (maybe_warn_pessimizing_move): Return if ARG isn't
1282 ADDR_EXPR.
1283
d07c152b 12842019-01-11 Jason Merrill <jason@redhat.com>
1285
1286 PR c++/88312 - pack expansion of decltype.
1287 * pt.c (instantiation_dependent_r): A template non-type parameter
1288 pack is instantiation-dependent.
1289
0c2ebbc4 12902019-01-11 Jason Merrill <jason@redhat.com>
1291
1292 PR c++/88613 - ICE with use of const var in lambda.
1293 * expr.c (mark_use): Fix location wrapper handling.
1294 * cp-gimplify.c (cp_fold_maybe_rvalue): Call mark_rvalue_use.
1295
1b2f170e 12962019-01-11 Tobias Burnus <burnus@net-b.de>
1297
1298 PR C++/88114
1299 * decl2.c (maybe_emit_vtables): If needed, generate code for
1300 the destructor of an abstract class.
1301 (mark_used): Update comment for older function-name change.
1302
b385e516 13032019-01-11 Paolo Carlini <paolo.carlini@oracle.com>
1304
1305 * decl.c (start_decl): Improve error location.
1306 (grokdeclarator): Likewise, improve two locations.
1307
f4d3c071 13082019-01-09 Sandra Loosemore <sandra@codesourcery.com>
1309
1310 PR other/16615
1311
1312 * cp-tree.h: Mechanically replace "can not" with "cannot".
1313 * parser.c: Likewise.
1314 * pt.c: Likewise.
1315
7cc45975 13162019-01-08 Paolo Carlini <paolo.carlini@oracle.com>
1317
1318 * decl.c (grok_reference_init): Improve error location.
1319 (grokdeclarator): Likewise, improve two locations.
1320
90e20c9c 13212019-01-08 Marek Polacek <polacek@redhat.com>
1322
91902bb4 1323 PR c++/88538 - braced-init-list in template-argument-list.
1324 * parser.c (cp_parser_template_argument): Handle braced-init-list when
1325 in C++20.
1326
90e20c9c 1327 PR c++/88548 - this accepted in static member functions.
1328 * parser.c (cp_debug_parser): Adjust printing of
1329 local_variables_forbidden_p.
1330 (cp_parser_new): Set local_variables_forbidden_p to 0 rather than false.
1331 (cp_parser_primary_expression): When checking
1332 local_variables_forbidden_p, use THIS_FORBIDDEN or
1333 LOCAL_VARS_FORBIDDEN.
1334 (cp_parser_lambda_body): Update the type of
1335 local_variables_forbidden_p. Set it to 0 rather than false.
1336 (cp_parser_condition): Adjust call to cp_parser_declarator.
1337 (cp_parser_explicit_instantiation): Likewise.
1338 (cp_parser_init_declarator): Likewise.
1339 (cp_parser_declarator): New parameter. Use it.
1340 (cp_parser_direct_declarator): New parameter. Use it to set
1341 local_variables_forbidden_p. Adjust call to cp_parser_declarator.
1342 (cp_parser_type_id_1): Adjust call to cp_parser_declarator.
1343 (cp_parser_parameter_declaration): Likewise.
1344 (cp_parser_default_argument): Update the type of
1345 local_variables_forbidden_p. Set it to LOCAL_VARS_AND_THIS_FORBIDDEN
1346 rather than true.
1347 (cp_parser_member_declaration): Tell cp_parser_declarator if we saw
1348 'static' or 'friend'.
1349 (cp_parser_exception_declaration): Adjust call to cp_parser_declarator.
1350 (cp_parser_late_parsing_default_args): Update the type of
1351 local_variables_forbidden_p. Set it to LOCAL_VARS_AND_THIS_FORBIDDEN
1352 rather than true.
1353 (cp_parser_cache_defarg): Adjust call to cp_parser_declarator.
1354 (cp_parser_objc_class_ivars): Likewise.
1355 (cp_parser_objc_struct_declaration): Likewise.
1356 (cp_parser_omp_for_loop_init): Likewise.
1357 * parser.h (cp_parser): Change the type of local_variables_forbidden_p
1358 to unsigned char.
1359 (LOCAL_VARS_FORBIDDEN, LOCAL_VARS_AND_THIS_FORBIDDEN, THIS_FORBIDDEN):
1360 Define.
1361
8f7d5246 13622019-01-08 Paolo Carlini <paolo.carlini@oracle.com>
1363
1364 * decl.c (start_decl): Improve permerror location.
1365
6e5908c9 13662019-01-08 Jonathan Wakely <jwakely@redhat.com>
1367 Jakub Jelinek <jakub@redhat.com>
1368
1369 PR c++/88554
1370 * decl.c (finish_function): For -Wreturn-type don't add a return *this;
1371 fixit hint if current_class_ref is NULL. Use a single if instead of
1372 two nested ones.
1373
2318c037 13742019-01-07 Paolo Carlini <paolo.carlini@oracle.com>
1375
1376 * decl.c (start_decl): Improve two error_at locations.
1377 (expand_static_init): Likewise.
1378
677576f7 13792019-01-07 Marek Polacek <polacek@redhat.com>
1380
1381 PR c++/88741 - wrong error with initializer-string.
1382 * decl.c (cp_complete_array_type): Strip any location wrappers.
1383
c38103e8 13842019-01-07 Bernd Edlinger <bernd.edlinger@hotmail.de>
1385
1386 PR c++/88261
1387 PR c++/69338
1388 PR c++/69696
1389 PR c++/69697
1390 * cp-tree.h (LOOKUP_ALLOW_FLEXARRAY_INIT): New flag value.
1391 * typeck2.c (digest_init_r): Raise an error for non-static
1392 initialization of a flexible array member.
1393 (process_init_constructor, massage_init_elt,
1394 process_init_constructor_array, process_init_constructor_record,
1395 process_init_constructor_union, process_init_constructor): Add the
1396 flags parameter and pass it thru.
1397 (store_init_value): Pass LOOKUP_ALLOW_FLEXARRAY_INIT parameter to
1398 digest_init_flags for static decls.
1399
59409f09 14002019-01-07 Jakub Jelinek <jakub@redhat.com>
1401
1402 PR c++/85052
1403 * cp-tree.h (cp_build_vec_convert): Declare.
1404 * parser.c (cp_parser_postfix_expression): Parse
1405 __builtin_convertvector.
1406 * constexpr.c: Include fold-const-call.h.
1407 (cxx_eval_internal_function): Handle IFN_VEC_CONVERT.
1408 (potential_constant_expression_1): Likewise.
1409 * semantics.c (cp_build_vec_convert): New function.
1410 * pt.c (tsubst_copy_and_build): Handle CALL_EXPR to
1411 IFN_VEC_CONVERT.
1412
0627c5c9 14132019-01-03 Jakub Jelinek <jakub@redhat.com>
1414
1415 PR c++/88636
1416 * decl.c (builtin_function_1): Return result of pushdecl_top_level
1417 or pushdecl rather than decl.
1418
f9f7d90c 14192019-01-03 Paolo Carlini <paolo.carlini@oracle.com>
1420
1421 * tree.c (handle_nodiscard_attribute): Improve warning location.
1422
37fb9cf6 14232019-01-02 Marek Polacek <polacek@redhat.com>
1424
1425 PR c++/88612 - ICE with -Waddress-of-packed-member.
1426 * call.c (convert_for_arg_passing): Only give warnings with tf_warning.
1427 * typeck.c (convert_for_assignment): Likewise.
1428
6080dd2f 1429 PR c++/88631 - CTAD failing for value-initialization.
1430 * typeck2.c (build_functional_cast): Try deducing the template
1431 arguments even if there are no arguments to deduce from.
1432
fbd26352 14332019-01-01 Jakub Jelinek <jakub@redhat.com>
ca29c574 1434
8e8f6434 1435 Update copyright years.
7dfbd804 1436\f
fbd26352 1437Copyright (C) 2019 Free Software Foundation, Inc.
7dfbd804 1438
1439Copying and distribution of this file, with or without modification,
1440are permitted in any medium without royalty provided the copyright
1441notice and this notice are preserved.
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