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PR c++/89512
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1 2019-03-14 Jakub Jelinek <jakub@redhat.com>
2
3 PR c++/89512
4 * semantics.c (finish_qualified_id_expr): Reject variable templates.
5
6 PR c++/89652
7 * constexpr.c (struct constexpr_ctx): Change save_exprs type from
8 hash_set<tree> to vec<tree>.
9 (cxx_eval_call_expression): Adjust for save_exprs being a vec instead
10 of hash_set.
11 (cxx_eval_loop_expr): Likewise. Truncate the vector after each
12 removal of SAVE_EXPRs from values.
13 (cxx_eval_constant_expression) <case SAVE_EXPR>: Call safe_push
14 method on save_exprs instead of add.
15
16 2019-03-13 Jason Merrill <jason@redhat.com>
17
18 PR c++/86521 - C++17 copy elision in initialization by constructor.
19 * call.c (joust_maybe_elide_copy): New.
20 (joust): Call it.
21
22 2019-03-13 Marek Polacek <polacek@redhat.com>
23
24 PR c++/88979 - further P0634 fix for constructors.
25 * parser.c (cp_parser_decl_specifier_seq): Pass flags to
26 cp_parser_constructor_declarator_p.
27 (cp_parser_direct_declarator): Allow missing typename for constructor
28 parameters.
29 (cp_parser_constructor_declarator_p): Add FLAGS parameter. Pass it to
30 cp_parser_type_specifier.
31
32 PR c++/89686 - mixing init-capture and simple-capture in lambda.
33 * parser.c (cp_parser_lambda_introducer): Give error when combining
34 init-capture and simple-capture.
35
36 PR c++/89660 - bogus error with -Wredundant-move.
37 * typeck.c (maybe_warn_pessimizing_move): Only accept (T &) &arg
38 as the std::move's argument. Don't call convert_for_initialization
39 when warn_redundant_move isn't on.
40
41 2019-03-11 Jason Merrill <jason@redhat.com>
42
43 PR c++/86521 - wrong overload resolution with ref-qualifiers.
44 * call.c (build_user_type_conversion_1): Don't use a conversion to a
45 reference of the wrong rvalueness for direct binding.
46
47 2019-03-11 Martin Liska <mliska@suse.cz>
48
49 * cvt.c (build_expr_type_conversion): Wrap apostrophes
50 in gcc internal format with %'.
51 * decl.c (check_no_redeclaration_friend_default_args): Likewise.
52 (grokfndecl): Likewise.
53 * name-lookup.c (do_pushtag): Likewise.
54 * pt.c (unify_parameter_deduction_failure): Likewise.
55 (unify_template_deduction_failure): Likewise.
56
57 2019-03-11 Martin Liska <mliska@suse.cz>
58
59 * call.c (convert_arg_to_ellipsis): Wrap an option name
60 in a string format message and fix GNU coding style.
61 (build_over_call): Likewise.
62 * class.c (check_field_decl): Likewise.
63 (layout_nonempty_base_or_field): Likewise.
64 * constexpr.c (cxx_eval_loop_expr): Likewise.
65 * cvt.c (type_promotes_to): Likewise.
66 * decl.c (cxx_init_decl_processing): Likewise.
67 (mark_inline_variable): Likewise.
68 (grokdeclarator): Likewise.
69 * decl2.c (record_mangling): Likewise.
70 * error.c (maybe_warn_cpp0x): Likewise.
71 * except.c (doing_eh): Likewise.
72 * mangle.c (maybe_check_abi_tags): Likewise.
73 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
74 (cp_parser_userdef_numeric_literal): Likewise.
75 (cp_parser_primary_expression): Likewise.
76 (cp_parser_unqualified_id): Likewise.
77 (cp_parser_pseudo_destructor_name): Likewise.
78 (cp_parser_builtin_offsetof): Likewise.
79 (cp_parser_lambda_expression): Likewise.
80 (cp_parser_lambda_introducer): Likewise.
81 (cp_parser_lambda_declarator_opt): Likewise.
82 (cp_parser_selection_statement): Likewise.
83 (cp_parser_init_statement): Likewise.
84 (cp_parser_decomposition_declaration): Likewise.
85 (cp_parser_function_specifier_opt): Likewise.
86 (cp_parser_static_assert): Likewise.
87 (cp_parser_simple_type_specifier): Likewise.
88 (cp_parser_namespace_definition): Likewise.
89 (cp_parser_using_declaration): Likewise.
90 (cp_parser_ctor_initializer_opt_and_function_body): Likewise.
91 (cp_parser_initializer_list): Likewise.
92 (cp_parser_type_parameter_key): Likewise.
93 (cp_parser_member_declaration): Likewise.
94 (cp_parser_try_block): Likewise.
95 (cp_parser_std_attribute_spec): Likewise.
96 (cp_parser_requires_clause_opt): Likewise.
97 * pt.c (check_template_variable): Likewise.
98 (check_default_tmpl_args): Likewise.
99 (push_tinst_level_loc): Likewise.
100 (instantiate_pending_templates): Likewise.
101 (invalid_nontype_parm_type_p): Likewise.
102 * repo.c (get_base_filename): Likewise.
103 * rtti.c (typeid_ok_p): Likewise.
104 (build_dynamic_cast_1): Likewise.
105 * tree.c (maybe_warn_parm_abi): Likewise.
106
107 2019-03-08 Jakub Jelinek <jakub@redhat.com>
108
109 PR other/80058
110 * parser.c (cp_parser_template_declaration_after_parameters): Avoid
111 one space before " at the end of line and another after " on another
112 line in a string literal.
113
114 PR tree-optimization/89550
115 * semantics.c (maybe_convert_cond): Only set TREE_NO_WARNING if
116 warning_at returned true.
117 * decl2.c (c_parse_final_cleanups): Likewise.
118 * typeck.c (convert_for_assignment): Likewise.
119 * decl.c (finish_function): Likewise.
120
121 PR c++/89585
122 * parser.c (cp_parser_asm_definition): Just warn instead of error
123 on volatile qualifier outside of function body.
124
125 PR c++/89599
126 * constexpr.c (potential_constant_expression_1): Reject
127 REINTERPRET_CAST_P NOP_EXPRs.
128
129 PR c++/89622
130 * call.c (joust): Call print_z_candidate only if pedwarn returned
131 true.
132
133 2019-03-07 Jason Merrill <jason@redhat.com>
134
135 PR c++/88123 - lambda and using-directive.
136 * name-lookup.c (op_unqualified_lookup)
137 (maybe_save_operator_binding, discard_operator_bindings)
138 (push_operator_bindings): New.
139 * typeck.c (build_x_binary_op, build_x_unary_op): Call
140 maybe_save_operator_binding.
141 * decl.c (start_preparsed_function): Call push_operator_bindings.
142 * tree.c (cp_free_lang_data): Call discard_operator_bindings.
143
144 PR c++/88820 - ICE with CTAD and member template used in DMI.
145 * pt.c (do_class_deduction): Handle parm used as its own arg.
146
147 2019-03-07 Jakub Jelinek <jakub@redhat.com>
148
149 PR c++/89585
150 * parser.c (cp_parser_asm_definition): Parse asm qualifiers even
151 at toplevel, but diagnose them.
152
153 2019-03-06 Jason Merrill <jason@redhat.com>
154
155 PR c++/89381 - implicit copy and using-declaration.
156 * class.c (classtype_has_move_assign_or_move_ctor_p): Don't consider
157 op= brought in by a using-declaration.
158
159 2019-03-06 Jakub Jelinek <jakub@redhat.com>
160
161 PR c++/87148
162 * init.c (build_value_init_noctor): Ignore flexible array members.
163
164 2019-03-06 Jason Merrill <jason@redhat.com>
165
166 PR c++/89576 - if constexpr of lambda capture.
167 * semantics.c (maybe_convert_cond): Do convert a non-dependent
168 condition in a template.
169 * typeck.c (condition_conversion): Handle being called in a
170 template.
171
172 2019-03-06 Marek Polacek <polacek@redhat.com>
173
174 PR c++/87378 - bogus -Wredundant-move warning.
175 * typeck.c (maybe_warn_pessimizing_move): See if the maybe-rvalue
176 overload resolution would actually succeed.
177
178 2019-03-05 Jason Merrill <jason@redhat.com>
179
180 * class.c (is_really_empty_class): Add ignore_vptr parm.
181 (trivial_default_constructor_is_constexpr): Pass it.
182 * call.c (build_over_call): Pass it.
183 * constexpr.c (cxx_eval_constant_expression): Pass it instead of
184 checking TYPE_POLYMORPHIC_P.
185 (cxx_eval_component_reference, potential_constant_expression_1):
186 Pass it.
187 * cp-gimplify.c (simple_empty_class_p): Pass it.
188 * init.c (expand_aggr_init_1): Pass it.
189
190 2019-03-04 Paolo Carlini <paolo.carlini@oracle.com>
191
192 PR c++/84605
193 * parser.c (cp_parser_class_head): Reject TYPE_BEING_DEFINED too.
194
195 2019-03-04 Jakub Jelinek <jakub@redhat.com>
196
197 PR c++/71446
198 * call.c (field_in_pset): New function.
199 (build_aggr_conv): Handle CONSTRUCTOR_IS_DESIGNATED_INIT correctly.
200
201 2019-03-02 Jakub Jelinek <jakub@redhat.com>
202
203 PR c++/71446
204 * cp-tree.h (CONSTRUCTOR_IS_DESIGNATED_INIT): Define.
205 * parser.c (cp_parser_braced_list): Adjust cp_parser_initializer_list
206 caller, set CONSTRUCTOR_IS_DESIGNATED_INIT.
207 (cp_parser_initializer_list): Add designated parameter, set *designated
208 to a bool whether any designators were parsed.
209 * decl.c (reshape_init): Copy over CONSTRUCTOR_IS_DESIGNATED_INIT if
210 needed.
211 * pt.c (tsubst_copy_and_build): Likewise.
212 * call.c (implicit_conversion): If CONSTRUCTOR_IS_DESIGNATED_INIT,
213 don't call build_list_conv, nor build_complex_conv, nor attempt to
214 convert a single element initializer to scalar.
215
216 2019-03-01 Marek Polacek <polacek@redhat.com>
217
218 PR c++/89537 - missing location for error with non-static member fn.
219 * call.c (resolve_args): Use EXPR_LOCATION.
220 * typeck.c (build_class_member_access_expr): Use input_location.
221
222 PR c++/89532 - ICE with incomplete type in decltype.
223 * semantics.c (finish_compound_literal): Return error_mark_node
224 if digest_init_flags returns error_mark_node.
225
226 2019-03-01 Jakub Jelinek <jakub@redhat.com>
227
228 Implement P1002R1, Try-catch blocks in constexpr functions
229 PR c++/89513
230 * parser.c (cp_parser_ctor_initializer_opt_and_function_body):
231 Diagnose constexpr ctor or function with function-try-block with
232 pedwarn for c++17 and earlier. Formatting fix.
233 (cp_parser_try_block): Use pedwarn instead of error and only for
234 c++17 and earlier when try block appears in constexpr function.
235 * constexpr.c (build_constexpr_constructor_member_initializers):
236 Handle TRY_BLOCK here instead of erroring on it.
237
238 2019-02-28 Jason Merrill <jason@redhat.com>
239
240 PR c++/88183 - ICE with .* fold-expression.
241 * pt.c (fold_expression) [DOTSTAR_EXPR]: Remove special handling.
242
243 PR c++/86969 - ICE with constexpr if and recursive generic lambdas.
244 * class.c, lambda.c, pt.c: Revert earlier change.
245 * lambda.c (add_capture): Don't special-case capture of dependent
246 VLA.
247
248 * name-lookup.c (print_binding_level): Print this_entity.
249
250 2019-02-27 Marek Polacek <polacek@redhat.com>
251
252 PR c++/88857 - ICE with value-initialization of argument in template.
253 * call.c (convert_like_real): Don't call build_value_init in template.
254
255 2019-02-27 Jason Merrill <jason@redhat.com>
256
257 PR c++/86969 - ICE with constexpr if and recursive generic lambdas.
258 * semantics.c (process_outer_var_ref): Do capture dependent vars.
259 * class.c (finish_struct): Only add TAG_DEFN if T is in
260 current_function_decl.
261 * lambda.c (vla_capture_type): Force the capture type out into the
262 lambda's enclosing function.
263 (add_capture): Pass in the lambda.
264 * pt.c (tsubst_lambda_expr): complete_type a VLA capture type.
265
266 2019-02-27 Marek Polacek <polacek@redhat.com>
267
268 PR c++/89511 - ICE with using-declaration and unscoped enumerator.
269 * parser.c (cp_parser_using_declaration): For an unscoped enum
270 only use its context if it's not a function declaration.
271
272 2019-02-27 Paolo Carlini <paolo.carlini@oracle.com>
273
274 PR c++/89488
275 * method.c (process_subob_fn): When maybe_instantiate_noexcept
276 returns false don't call merge_exception_specifiers.
277
278 2019-02-27 Paolo Carlini <paolo.carlini@oracle.com>
279
280 PR c++/88987
281 * parser.c (cp_parser_noexcept_specification_opt): Return NULL_TREE
282 for a non-constant parsed expression.
283
284 2019-02-26 Jakub Jelinek <jakub@redhat.com>
285
286 PR c++/89481
287 * constexpr.c (cxx_eval_store_expression): When changing active union
288 member, set no_zero_init.
289
290 2019-02-23 Marek Polacek <polacek@redhat.com>
291
292 PR c++/88294 - ICE with non-constant noexcept-specifier.
293 * pt.c (maybe_instantiate_noexcept): Set up the list of local
294 specializations. Set current_class_{ptr,ref}.
295
296 2019-02-22 David Malcolm <dmalcolm@redhat.com>
297
298 PR c++/89390
299 * parser.c (cp_parser_unqualified_id): Capture and use locations
300 for destructors.
301
302 2019-02-22 Marek Polacek <polacek@redhat.com>
303
304 PR c++/89420 - ICE with CAST_EXPR in explicit-specifier.
305 * decl.c (build_explicit_specifier): Don't check
306 processing_template_decl. Call instantiation_dependent_expression_p
307 instead of value_dependent_expression_p. Call
308 instantiate_non_dependent_expr_sfinae before
309 build_converted_constant_expr instead of calling
310 instantiate_non_dependent_expr after it. Add
311 processing_template_decl_sentinel.
312
313 2019-02-22 Thomas Schwinge <thomas@codesourcery.com>
314
315 * parser.c (cp_parser_oacc_simple_clause): Remove parser formal
316 parameter, move loc formal parameter to the front. Adjust all
317 users.
318 (cp_parser_oacc_shape_clause): Add loc formal parameter. Adjust
319 all users.
320
321 2019-02-21 Jason Merrill <jason@redhat.com>
322
323 PR c++/87685 - generic lambda 'this' capture error.
324 * lambda.c (lambda_expr_this_capture): Change add_capture_p to int.
325 (maybe_generic_this_capture): Pass -1.
326
327 PR c++/88394 - ICE with VLA init-capture.
328 * lambda.c (is_normal_capture_proxy): Check DECL_CAPTURED_VARIABLE.
329
330 PR c++/88869 - C++17 ICE with CTAD and explicit specialization.
331 * pt.c (do_class_deduction): Don't include explicit specialization
332 args in outer_args.
333
334 PR c++/89422 - ICE with -g and lambda in default arg in template.
335 * pt.c (tsubst_function_decl): SET_DECL_FRIEND_CONTEXT sooner.
336
337 2019-02-21 Jason Merrill <jason@redhat.com>
338
339 PR c++/88419 - C++17 ICE with class template arg deduction.
340 * pt.c (make_template_placeholder): Set TYPE_CANONICAL after
341 CLASS_PLACEHOLDER_TEMPLATE.
342
343 2019-02-21 Jakub Jelinek <jakub@redhat.com>
344
345 PR c++/89285
346 * constexpr.c (struct constexpr_fundef): Add parms and result members.
347 (retrieve_constexpr_fundef): Adjust for the above change.
348 (register_constexpr_fundef): Save constexpr body with copy_fn,
349 temporarily set DECL_CONTEXT on DECL_RESULT before that.
350 (get_fundef_copy): Change FUN argument to FUNDEF with
351 constexpr_fundef * type, grab body and parms/result out of
352 constexpr_fundef struct and temporarily change it for copy_fn calls
353 too.
354 (cxx_eval_builtin_function_call): For __builtin_FUNCTION temporarily
355 adjust current_function_decl from ctx->call context. Test
356 !potential_constant_expression instead of !is_constant_expression.
357 (cxx_bind_parameters_in_call): Grab parameters from new_call. Undo
358 convert_for_arg_passing changes for TREE_ADDRESSABLE type passing.
359 (cxx_eval_call_expression): Adjust get_fundef_copy caller.
360 (cxx_eval_conditional_expression): For IF_STMT, allow then or else
361 operands to be NULL.
362 (label_matches): Handle BREAK_STMT and CONTINUE_STMT.
363 (cxx_eval_loop_expr): Add support for FOR_STMT, WHILE_STMT and DO_STMT.
364 (cxx_eval_switch_expr): Add support for SWITCH_STMT.
365 (cxx_eval_constant_expression): Handle IF_STMT, FOR_STMT, WHILE_STMT,
366 DO_STMT, CONTINUE_STMT, SWITCH_STMT, BREAK_STMT and CONTINUE_STMT.
367 For SIZEOF_EXPR, recurse on the result of fold_sizeof_expr. Ignore
368 DECL_EXPR with USING_DECL operand.
369 * lambda.c (maybe_add_lambda_conv_op): Build thisarg using
370 build_int_cst to make it a valid constant expression.
371
372 2019-02-20 Jason Merrill <jason@redhat.com>
373
374 PR c++/88690 - C++17 ICE with empty base in aggregate.
375 * typeck2.c (process_init_constructor_record): Skip trivial
376 initialization of an empty base.
377
378 2019-02-21 Richard Biener <rguenther@suse.de>
379
380 PR middle-end/89392
381 * vtable-class-hierarchy.c (vtv_generate_init_routine): Do not
382 make symtab process new functions here.
383
384 2019-02-20 Jason Merrill <jason@redhat.com>
385
386 PR c++/87921 - wrong error with inline static data member.
387 * decl2.c (finish_static_data_member_decl): Don't set DECL_IN_AGGR_P
388 for a non-template inline variable. Do nothing for an
389 already-instantiated variable.
390 (c_parse_final_cleanups): Check DECL_IN_AGGR_P without
391 DECL_INLINE_VAR_P.
392 * decl.c (check_initializer): Likewise.
393 (make_rtl_for_nonlocal_decl): Likewise.
394 * pt.c (instantiate_decl): Likewise.
395 * typeck2.c (store_init_value): Likewise.
396
397 2019-02-20 Jakub Jelinek <jakub@redhat.com>
398
399 PR c++/89403
400 * decl2.c (c_parse_final_cleanups): Move TREE_ASM_WRITTEN setting
401 for flag_syntax_only from here...
402 * semantics.c (expand_or_defer_fn_1): ... here.
403
404 PR c++/89405
405 * decl.c (maybe_commonize_var): When clearing TREE_PUBLIC and
406 DECL_COMMON, set DECL_INTERFACE_KNOWN.
407
408 PR c++/89336
409 * constexpr.c (cxx_eval_store_expression): Diagnose changing of active
410 union member for -std=c++17 and earlier.
411
412 2019-02-19 Jason Merrill <jason@redhat.com>
413
414 PR c++/87513 - 'sorry' mangling PMF template-id.
415 * mangle.c (write_expression): Handle SCOPE_REF to BASELINK.
416
417 2019-02-19 Jason Merrill <jason@redhat.com>
418
419 PR c++/88380 - wrong-code with flexible array and NSDMI.
420 * typeck2.c (process_init_constructor_record): Skip flexarrays.
421
422 2019-02-20 will wray <wjwray@gmail.com>
423
424 PR c++/88572 - wrong handling of braces on scalar init.
425 * decl.c (reshape_init_r): Allow braces around scalar initializer
426 within aggregate init. Reject double braced-init of scalar
427 variable.
428
429 2019-02-20 Paolo Carlini <paolo.carlini@oracle.com>
430
431 PR c++/84536
432 * pt.c (tsubst_init): Diagnose an initializer expanding to an
433 empty list of expressions; tweak wrt dependent types.
434 (regenerate_decl_from_template): For VAR_DECLs call tsubst_init
435 instead of tsubst_expr.
436
437 2019-02-19 Jason Merrill <jason@redhat.com>
438
439 PR c++/88368 - wrong 'use of deleted function'
440 * method.c (walk_field_subobs): Remember errors from get_nsdmi.
441 (get_defaulted_eh_spec): Call push_tinst_level.
442 * pt.c (maybe_instantiate_noexcept): Keep error_mark_node.
443 * typeck2.c (merge_exception_specifiers): Handle error_mark_node.
444
445 2019-02-19 Chung-Lin Tang <cltang@codesourcery.com>
446
447 PR c/87924
448 * parser.c (cp_parser_oacc_clause_wait): Add representation of wait
449 clause without argument as 'wait (GOMP_ASYNC_NOVAL)', adjust comments.
450
451 2019-02-19 Jakub Jelinek <jakub@redhat.com>
452
453 PR c++/89387
454 * lambda.c (maybe_generic_this_capture): Don't check
455 DECL_NONSTATIC_MEMBER_FUNCTION_P on USING_DECLs.
456
457 PR c++/89391
458 * typeck.c (build_reinterpret_cast_1): Don't handle void to
459 && conversion go through build_target_expr_with_type.
460
461 PR c++/89390
462 * error.c (qualified_name_lookup_error): Only call
463 suggest_alternative_in_scoped_enum if name is IDENTIFIER_NODE.
464
465 2019-02-19 Tom Honermann <tom@honermann.net>
466
467 * name-lookup.c (get_std_name_hint): Added u8string as a name hint.
468
469 2019-02-18 Jason Merrill <jason@redhat.com>
470
471 PR c++/89336 - multiple stores in constexpr stmt.
472 * constexpr.c (cxx_eval_store_expression): Preevaluate scalar or
473 assigned value.
474
475 * pt.c (check_explicit_specialization): If the declarator is a
476 template-id, only check whether the arguments are dependent.
477
478 Improve duplicate [[likely]] diagnostic.
479 * parser.c (cp_parser_statement): Make attrs_loc a range. Pass it
480 to process_stmt_hotness_attribute.
481 * cp-gimplify.c (process_stmt_hotness_attribute): Take attrs_loc.
482 (genericize_if_stmt): Use likely/unlikely instead of predictor_name.
483
484 2019-02-17 Marek Polacek <polacek@redhat.com>
485
486 PR c++/89217 - ICE with list-initialization in range-based for loop.
487 * constexpr.c (unshare_constructor): No longer static.
488 * cp-tree.h (unshare_constructor): Declare.
489 * semantics.c (finish_compound_literal): When dealing with a
490 non-dependent expression in a template, return the original
491 expression. Pass LOOKUP_NO_NARROWING to digest_init_flags.
492
493 2019-02-13 Marek Polacek <polacek@redhat.com>
494
495 PR c++/89297 - ICE with OVERLOAD in template.
496 * semantics.c (finish_compound_literal): Call
497 instantiate_non_dependent_expr_sfinae.
498
499 2019-02-13 Alexandre Oliva <aoliva@redhat.com>
500
501 PR c++/86379
502 * cp-tree.h (USING_DECL_SCOPE): Use result rather than type.
503 * name-lookup.c (strip_using_decl): Use USING_DECL_SCOPE.
504 * search.c (protected_accessible_p): Follow USING_DECL_DECLS.
505 (shared_member_p): Likewise.
506 (lookup_member): Likewise.
507 * decl.c (grok_special_member_properties): Skip USING_DECLs.
508 * semantics.c (finish_omp_declare_simd_methods): Likewise.
509 (finish_qualified_id_expr): Do not call shared_member_p with
510 a dependent expr.
511
512 PR c++/87322
513 * pt.c (tsubst_lambda_expr): Avoid duplicate tsubsting.
514 Move cp_evaluated resetting before signature tsubsting.
515 (gen_elem_of_pack_expansion_instantiation): Separate local
516 specializations per index.
517
518 2019-02-13 David Malcolm <dmalcolm@redhat.com>
519
520 PR c++/89036
521 * class.c (add_method): Drop destructor assertion.
522
523 2019-02-13 Paolo Carlini <paolo.carlini@oracle.com>
524
525 PR c++/88986
526 * decl.c (make_typename_type): Allow for TYPE_PACK_EXPANSION as
527 context (the first argument).
528 * pt.c (tsubst, case TYPENAME_TYPE): Handle TYPE_PACK_EXPANSION
529 as context.
530
531 2019-02-12 Jason Merrill <jason@redhat.com>
532
533 PR c++/89144 - link error with constexpr initializer_list.
534 * call.c (convert_like_real) [ck_list]: Don't allocate a temporary
535 array for an empty list.
536 * typeck2.c (store_init_value): Don't use cxx_constant_init in a
537 template.
538
539 2019-02-11 Jason Merrill <jason@redhat.com>
540
541 PR c++/89241 - ICE with __func__ in lambda in template.
542 * pt.c (enclosing_instantiation_of): Also check
543 instantiated_lambda_fn_p for the template context.
544
545 2019-02-11 Marek Polacek <polacek@redhat.com>
546
547 PR c++/89212 - ICE converting nullptr to pointer-to-member-function.
548 * pt.c (tsubst_copy_and_build) <case CONSTRUCTOR>: Return early for
549 null member pointer value.
550
551 2019-02-11 Jakub Jelinek <jakub@redhat.com>
552
553 PR c++/88977
554 * pt.c (convert_nontype_argument): Pass true as manifestly_const_eval
555 to maybe_constant_value calls.
556
557 2019-02-11 Marek Polacek <polacek@redhat.com>
558
559 * typeck2.c (digest_init_r): Remove commented code.
560
561 2019-02-11 Martin Sebor <msebor@redhat.com>
562
563 PR c++/87996
564 * decl.c (compute_array_index_type_loc): Preserve signed sizes
565 for diagnostics. Call valid_array_size_p instead of error.
566 * init.c (build_new_1): Compute size for diagnostic. Call
567 invalid_array_size_error
568 (build_new): Call valid_array_size_p instead of error.
569
570 2019-02-07 Alexandre Oliva <aoliva@redhat.com>
571
572 PR c++/86218
573 * call.c (compare_ics): Deal with ck_aggr in either cs.
574
575 2019-02-06 David Malcolm <dmalcolm@redhat.com>
576
577 PR c++/71302
578 * call.c (get_location_for_expr_unwinding_for_system_header): New
579 function.
580 (conversion_null_warnings): Use it when getting locations for
581 EXPR, effectively adding a call to
582 get_location_for_expr_unwinding_for_system_header for
583 -Wconversion-null and making use of EXPR_LOCATION for
584 -Wzero-as-null-pointer-constant.
585
586 2019-02-05 Jakub Jelinek <jakub@redhat.com>
587
588 PR c++/89187
589 * optimize.c (maybe_thunk_body): Clear TREE_ADDRESSABLE on
590 PARM_DECLs of the thunk.
591 * lambda.c (maybe_add_lambda_conv_op): Likewise.
592
593 2019-02-05 Marek Polacek <polacek@redhat.com>
594
595 PR c++/89158 - by-value capture of constexpr variable broken.
596 * call.c (convert_like_real) <case ck_user>: Call mark_exp_read
597 instead of mark_rvalue_use.
598
599 2019-02-05 Alexandre Oliva <aoliva@redhat.com>
600
601 PR c++/87770
602 * pt.c (instantiates_primary_template_p): New.
603 (type_dependent_expression_p): Use it.
604
605 2019-02-01 Jason Merrill <jason@redhat.com>
606
607 PR c++/88761 - ICE with reference capture of constant.
608 * lambda.c (mark_const_cap_r): Do walk subtrees of DECL_EXPR for
609 non-proxy decls.
610
611 2019-02-01 Marek Polacek <polacek@redhat.com>
612
613 PR c++/88325 - ICE with invalid out-of-line template member definition.
614 * parser.c (cp_parser_class_name): Don't call make_typename_type
615 for overloads.
616
617 2019-02-01 Jakub Jelinek <jakub@redhat.com>
618
619 PR c++/87175
620 * parser.c (cp_parser_gnu_attributes_opt): Set ok to false
621 if require_open failed.
622
623 2019-01-31 Marek Polacek <polacek@redhat.com>
624
625 PR c++/89083, c++/80864 - ICE with list initialization in template.
626 * constexpr.c (adjust_temp_type): Use copy_node and change the type
627 instead of using build_constructor.
628 * decl.c (reshape_init_r): Don't reshape a digested initializer.
629 Return the initializer for COMPOUND_LITERAL_P.
630
631 PR c++/88983 - ICE with switch in constexpr function.
632 * constexpr.c (cxx_eval_switch_expr): Use SWITCH_COND and SWITCH_BODY.
633 (cxx_eval_constant_expression) <case COND_EXPR>: Don't look for the
634 label in the else branch if we found it in the then branch.
635
636 2019-01-30 Jason Merrill <jason@redhat.com>
637
638 PR c++/88752 - ICE with lambda and constexpr if.
639 * cp-tree.h (LAMBDA_EXPR_INSTANTIATED): New.
640 * pt.c (tsubst_lambda_expr): Set it.
641 (instantiated_lambda_fn_p): Check it.
642 (enclosing_instantiation_of): Use it.
643
644 2019-01-31 Jakub Jelinek <jakub@redhat.com>
645
646 PR libstdc++/88170
647 * cxx-pretty-print.c (pp_cxx_enumeration_constant): Print always as
648 a C cast in pp_c_flag_gnu_v3 mode.
649
650 2019-01-30 Jakub Jelinek <jakub@redhat.com>
651
652 PR c++/88988
653 * lambda.c (is_capture_proxy): Don't return true for
654 DECL_OMP_PRIVATIZED_MEMBER artificial vars.
655
656 2019-01-30 Marek Polacek <polacek@redhat.com>
657
658 PR c++/89119 - ICE with value-initialization in template.
659 * pt.c (tsubst_copy_and_build): Handle RANGE_EXPR.
660
661 2019-01-29 Jason Merrill <jason@redhat.com>
662
663 PR c++/86943 - wrong code converting lambda to function pointer.
664 * lambda.c (maybe_add_lambda_conv_op): Use a template-id in the
665 call. Only forward parms for decltype.
666 * pt.c (tsubst_copy_and_build) [CALL_EXPR]: Handle CALL_FROM_THUNK_P
667 specially.
668 * typeck.c (check_return_expr): Don't mess with a thunk call.
669
670 2019-01-28 Jason Merrill <jason@redhat.com>
671
672 PR c++/89089 - ICE with [[no_unique_address]].
673 PR c++/88865 - wrong layout with [[no_unique_address]].
674 * class.c (check_field_decls): A potentially-overlapping field makes
675 the class non-layout-POD, but not non-empty.
676 (end_of_class): Always consider empty data members.
677 (layout_class_type): Set DECL_SIZE for empty fields.
678
679 2019-01-28 Marek Polacek <polacek@redhat.com>
680
681 PR c++/88358 - name wrongly treated as type.
682 * parser.c (cp_parser_direct_declarator): Don't assume a qualified-id
683 in parameter-list is a type if the function's declarator-id is not
684 qualified.
685
686 2019-01-27 Marek Polacek <polacek@redhat.com>
687
688 PR c++/88815 - narrowing conversion lost in decltype.
689 PR c++/78244 - narrowing conversion in template not detected.
690 * cp-tree.h (CONSTRUCTOR_IS_DEPENDENT): New.
691 * pt.c (instantiation_dependent_r): Consider a CONSTRUCTOR with
692 CONSTRUCTOR_IS_DEPENDENT instantiation-dependent.
693 * semantics.c (finish_compound_literal): When the compound literal
694 isn't instantiation-dependent and the type isn't type-dependent,
695 fall back to the normal processing. Set CONSTRUCTOR_IS_DEPENDENT.
696
697 PR c++/89024 - ICE with incomplete enum type.
698 * call.c (standard_conversion): When converting an
699 ARITHMETIC_TYPE_P to an incomplete type, return NULL.
700
701 2019-01-25 Paolo Carlini <paolo.carlini@oracle.com>
702
703 PR c++/88969
704 * call.c (build_op_delete_call): Implement 7.6.2.5/(10.1).
705 * decl2.c (coerce_delete_type): Use build_pointer_type instead
706 of TYPE_POINTER_TO.
707
708 2019-01-24 Jason Merrill <jason@redhat.com>
709
710 PR c++/89001 - mangling of reference temporaries
711 * cp-tree.h (struct saved_scope): Add ref_temp_count.
712 (current_ref_temp_count): New macro.
713 * mangle.c (mangle_ref_init_variable): Use it.
714 * typeck2.c (store_init_value): Clear it.
715 * call.c (make_temporary_var_for_ref_to_temp): Copy public and
716 comdat.
717
718 2019-01-24 Jakub Jelinek <jakub@redhat.com>
719
720 PR c++/88976
721 * semantics.c (finish_omp_cancel): Diagnose more than one if
722 on #pragma omp cancel with different modifiers. Use
723 maybe_convert_cond when not in template or build_x_binary_op
724 otherwise.
725
726 2019-01-23 Marek Polacek <polacek@redhat.com>
727
728 PR c++/88757 - qualified name treated wrongly as type.
729 * parser.c (cp_parser_direct_declarator): Don't treat qualified-ids
730 in parameter-list as types if name lookup for declarator-id didn't
731 find one or more function templates.
732
733 2019-01-23 Jakub Jelinek <jakub@redhat.com>
734
735 PR c/44715
736 * cp-gimplify.c (genericize_cp_loop): Call begin_bc_block only
737 after genericizing cond and incr expressions.
738
739 PR c++/88984
740 * cp-gimplify.c (genericize_switch_stmt): Move cond genericization
741 before the begin_bc_block call.
742
743 2019-01-21 Jason Merrill <jason@redhat.com>
744
745 PR c++/87893 - constexpr ctor ICE on ARM.
746 PR c++/88293 - ICE with comma expression.
747 * constexpr.c (initialized_type): Don't shortcut non-void type.
748 Handle COMPOUND_EXPR.
749 (cxx_eval_outermost_constant_expr): Return early for void type.
750
751 2019-01-21 Jakub Jelinek <jakub@redhat.com>
752
753 PR c++/88949
754 * optimize.c (cxx_copy_decl): New function.
755 (clone_body): Use it instead of copy_decl_no_change.
756
757 PR sanitizer/88901
758 * typeck.c (cp_build_binary_op): Don't instrument
759 SANITIZE_POINTER_COMPARE if processing_template_decl.
760 (pointer_diff): Similarly for SANITIZE_POINTER_SUBTRACT.
761
762 2019-01-18 Jason Merrill <jason@redhat.com>
763
764 PR c++/88875 - error with explicit list constructor.
765 * call.c (reference_binding): Don't modify EXPR. Set
766 need_temporary_p on the ck_user conversion for a temporary.
767 (convert_like_real): Check it.
768
769 2019-01-18 H.J. Lu <hongjiu.lu@intel.com>
770
771 PR c/51628
772 PR c/88664
773 * call.c (convert_for_arg_passing): Upate the
774 warn_for_address_or_pointer_of_packed_member call.
775 * typeck.c (convert_for_assignment): Likewise.
776
777 2019-01-17 Jason Merrill <jason@redhat.com>
778
779 PR c++/86205 - ICE with ?: of throw and template-id.
780 * pt.c (resolve_nondeduced_context_or_error): Split out from...
781 * typeck.c (decay_conversion): ...here.
782 * call.c (build_conditional_expr_1): Use it.
783
784 PR c++/86740, ICE with constexpr if and nested generic lambdas.
785 * tree.c (cp_walk_subtrees): Handle LAMBDA_EXPR.
786
787 2019-01-17 Paolo Carlini <paolo.carlini@oracle.com>
788
789 * decl.c (grokdeclarator): Use typespec_loc in error messages
790 about 'auto' and trailing return type.
791
792 2019-01-17 David Malcolm <dmalcolm@redhat.com>
793
794 PR c++/88699
795 * class.c (add_method): Don't use DECL_DESTRUCTOR_P on
796 USING_DECLs.
797
798 2019-01-17 Nathan Sidwell <nathan@acm.org>
799
800 PR c++/86610
801 * semantics.c (process_outer_var_ref): Only skip dependent types
802 in templates.
803
804 2019-01-17 Alexandre Oliva <aoliva@redhat.com>
805
806 PR c++/87768
807 * cp-tree.h (saved_scope): Add suppress_location_wrappers.
808 * name-lookup.c (do_push_to_top_level): Save and reset it.
809 (do_pop_from_top_level): Restore it.
810
811 PR c++/86648
812 * pt.c (make_template_placeholder): Use auto_identifier.
813 (is_auto): Drop CLASS_PLACEHOLDER_TEMPLATE test.
814 * error.c (dump_type): Handle template placeholders.
815 * cxx-pretty-print.c (pp_cx_unqualified_id): Likewise.
816
817 PR c++/88146
818 * cvt.c (convert_to_void): Handle all cdtor calls as if
819 returning void.
820
821 2019-01-16 Paolo Carlini <paolo.carlini@oracle.com>
822
823 * decl.c (grokdeclarator): Use locations[ds_storage_class] in
824 error messages about ill-formed uses of mutable.
825
826 2019-01-16 Marek Polacek <polacek@redhat.com>
827
828 PR c++/78244 - narrowing conversion in template not detected.
829 * call.c (perform_implicit_conversion_flags): Set
830 IMPLICIT_CONV_EXPR_BRACED_INIT.
831 * cp-tree.h (IMPLICIT_CONV_EXPR_BRACED_INIT): New.
832 * pt.c (tsubst_copy_and_build): Use it.
833
834 2019-01-15 David Malcolm <dmalcolm@redhat.com>
835
836 PR c++/88795
837 * pt.c (build_deduction_guide): Bail out if tsubst_arg_types
838 fails.
839
840 2019-01-15 Paolo Carlini <paolo.carlini@oracle.com>
841
842 * decl.c (start_decl): Improve error location.
843 * decl2.c (grokfield): Likewise.
844
845 2019-01-15 Paolo Carlini <paolo.carlini@oracle.com>
846
847 * decl.c (grokdeclarator): Move further up the location_t loc
848 declaration and use the location when building a TYPE_DECL for
849 a typedef name.
850 * decl2.c (grokbitfield): Use DECL_SOURCE_LOCATION in the error
851 about an ill-formed bit-field as typedef.
852
853 2019-01-14 Marek Polacek <polacek@redhat.com>
854
855 PR c++/88830 - ICE with abstract class.
856 * decl2.c (maybe_emit_vtables): Check CLASSTYPE_LAZY_DESTRUCTOR.
857 Fix formatting.
858
859 PR c++/88825 - ICE with bogus function return type deduction.
860 * typeck.c (can_do_nrvo_p): Check error_mark_node.
861
862 2019-01-14 Tom Honermann <tom@honermann.net>
863
864 Implement P0482R5, char8_t: A type for UTF-8 characters and strings
865 * cvt.c (type_promotes_to): Handle char8_t promotion.
866 * decl.c (grokdeclarator): Handle invalid type specifier
867 combinations involving char8_t.
868 * lex.c (init_reswords): Add char8_t as a reserved word.
869 * mangle.c (write_builtin_type): Add name mangling for char8_t (Du).
870 * parser.c (cp_keyword_starts_decl_specifier_p)
871 (cp_parser_simple_type_specifier): Recognize char8_t as a simple
872 type specifier.
873 (cp_parser_string_literal): Use char8_array_type_node for the type
874 of CPP_UTF8STRING.
875 (cp_parser_set_decl_spec_type): Tolerate char8_t typedefs in system
876 headers.
877 * rtti.c (emit_support_tinfos): type_info support for char8_t.
878 * tree.c (char_type_p): Recognize char8_t as a character type.
879 * typeck.c (string_conv_p): Handle conversions of u8 string
880 literals of char8_t type.
881 (check_literal_operator_args): Handle UDLs with u8 string literals
882 of char8_t type.
883 * typeck2.c (ordinary_char_type_p): New.
884 (digest_init_r): Disallow initializing a char array with a u8 string
885 literal.
886
887 2019-01-14 Martin Liska <mliska@suse.cz>
888
889 PR gcov-profile/88263
890 * decl2.c (get_tls_wrapper_fn): Use DECL_SOURCE_LOCATION
891 as location of the TLS wrapper.
892
893 2019-01-12 Paolo Carlini <paolo.carlini@oracle.com>
894
895 * decl.c (cp_finish_decl): Improve error location.
896 * decl2.c (grokfield): Likewise, improve two locations.
897
898 2019-01-11 Marek Polacek <polacek@redhat.com>
899
900 PR c++/88692, c++/87882 - -Wredundant-move false positive with *this.
901 * typeck.c (maybe_warn_pessimizing_move): Return if ARG isn't
902 ADDR_EXPR.
903
904 2019-01-11 Jason Merrill <jason@redhat.com>
905
906 PR c++/88312 - pack expansion of decltype.
907 * pt.c (instantiation_dependent_r): A template non-type parameter
908 pack is instantiation-dependent.
909
910 2019-01-11 Jason Merrill <jason@redhat.com>
911
912 PR c++/88613 - ICE with use of const var in lambda.
913 * expr.c (mark_use): Fix location wrapper handling.
914 * cp-gimplify.c (cp_fold_maybe_rvalue): Call mark_rvalue_use.
915
916 2019-01-11 Tobias Burnus <burnus@net-b.de>
917
918 PR C++/88114
919 * decl2.c (maybe_emit_vtables): If needed, generate code for
920 the destructor of an abstract class.
921 (mark_used): Update comment for older function-name change.
922
923 2019-01-11 Paolo Carlini <paolo.carlini@oracle.com>
924
925 * decl.c (start_decl): Improve error location.
926 (grokdeclarator): Likewise, improve two locations.
927
928 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
929
930 PR other/16615
931
932 * cp-tree.h: Mechanically replace "can not" with "cannot".
933 * parser.c: Likewise.
934 * pt.c: Likewise.
935
936 2019-01-08 Paolo Carlini <paolo.carlini@oracle.com>
937
938 * decl.c (grok_reference_init): Improve error location.
939 (grokdeclarator): Likewise, improve two locations.
940
941 2019-01-08 Marek Polacek <polacek@redhat.com>
942
943 PR c++/88538 - braced-init-list in template-argument-list.
944 * parser.c (cp_parser_template_argument): Handle braced-init-list when
945 in C++20.
946
947 PR c++/88548 - this accepted in static member functions.
948 * parser.c (cp_debug_parser): Adjust printing of
949 local_variables_forbidden_p.
950 (cp_parser_new): Set local_variables_forbidden_p to 0 rather than false.
951 (cp_parser_primary_expression): When checking
952 local_variables_forbidden_p, use THIS_FORBIDDEN or
953 LOCAL_VARS_FORBIDDEN.
954 (cp_parser_lambda_body): Update the type of
955 local_variables_forbidden_p. Set it to 0 rather than false.
956 (cp_parser_condition): Adjust call to cp_parser_declarator.
957 (cp_parser_explicit_instantiation): Likewise.
958 (cp_parser_init_declarator): Likewise.
959 (cp_parser_declarator): New parameter. Use it.
960 (cp_parser_direct_declarator): New parameter. Use it to set
961 local_variables_forbidden_p. Adjust call to cp_parser_declarator.
962 (cp_parser_type_id_1): Adjust call to cp_parser_declarator.
963 (cp_parser_parameter_declaration): Likewise.
964 (cp_parser_default_argument): Update the type of
965 local_variables_forbidden_p. Set it to LOCAL_VARS_AND_THIS_FORBIDDEN
966 rather than true.
967 (cp_parser_member_declaration): Tell cp_parser_declarator if we saw
968 'static' or 'friend'.
969 (cp_parser_exception_declaration): Adjust call to cp_parser_declarator.
970 (cp_parser_late_parsing_default_args): Update the type of
971 local_variables_forbidden_p. Set it to LOCAL_VARS_AND_THIS_FORBIDDEN
972 rather than true.
973 (cp_parser_cache_defarg): Adjust call to cp_parser_declarator.
974 (cp_parser_objc_class_ivars): Likewise.
975 (cp_parser_objc_struct_declaration): Likewise.
976 (cp_parser_omp_for_loop_init): Likewise.
977 * parser.h (cp_parser): Change the type of local_variables_forbidden_p
978 to unsigned char.
979 (LOCAL_VARS_FORBIDDEN, LOCAL_VARS_AND_THIS_FORBIDDEN, THIS_FORBIDDEN):
980 Define.
981
982 2019-01-08 Paolo Carlini <paolo.carlini@oracle.com>
983
984 * decl.c (start_decl): Improve permerror location.
985
986 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
987 Jakub Jelinek <jakub@redhat.com>
988
989 PR c++/88554
990 * decl.c (finish_function): For -Wreturn-type don't add a return *this;
991 fixit hint if current_class_ref is NULL. Use a single if instead of
992 two nested ones.
993
994 2019-01-07 Paolo Carlini <paolo.carlini@oracle.com>
995
996 * decl.c (start_decl): Improve two error_at locations.
997 (expand_static_init): Likewise.
998
999 2019-01-07 Marek Polacek <polacek@redhat.com>
1000
1001 PR c++/88741 - wrong error with initializer-string.
1002 * decl.c (cp_complete_array_type): Strip any location wrappers.
1003
1004 2019-01-07 Bernd Edlinger <bernd.edlinger@hotmail.de>
1005
1006 PR c++/88261
1007 PR c++/69338
1008 PR c++/69696
1009 PR c++/69697
1010 * cp-tree.h (LOOKUP_ALLOW_FLEXARRAY_INIT): New flag value.
1011 * typeck2.c (digest_init_r): Raise an error for non-static
1012 initialization of a flexible array member.
1013 (process_init_constructor, massage_init_elt,
1014 process_init_constructor_array, process_init_constructor_record,
1015 process_init_constructor_union, process_init_constructor): Add the
1016 flags parameter and pass it thru.
1017 (store_init_value): Pass LOOKUP_ALLOW_FLEXARRAY_INIT parameter to
1018 digest_init_flags for static decls.
1019
1020 2019-01-07 Jakub Jelinek <jakub@redhat.com>
1021
1022 PR c++/85052
1023 * cp-tree.h (cp_build_vec_convert): Declare.
1024 * parser.c (cp_parser_postfix_expression): Parse
1025 __builtin_convertvector.
1026 * constexpr.c: Include fold-const-call.h.
1027 (cxx_eval_internal_function): Handle IFN_VEC_CONVERT.
1028 (potential_constant_expression_1): Likewise.
1029 * semantics.c (cp_build_vec_convert): New function.
1030 * pt.c (tsubst_copy_and_build): Handle CALL_EXPR to
1031 IFN_VEC_CONVERT.
1032
1033 2019-01-03 Jakub Jelinek <jakub@redhat.com>
1034
1035 PR c++/88636
1036 * decl.c (builtin_function_1): Return result of pushdecl_top_level
1037 or pushdecl rather than decl.
1038
1039 2019-01-03 Paolo Carlini <paolo.carlini@oracle.com>
1040
1041 * tree.c (handle_nodiscard_attribute): Improve warning location.
1042
1043 2019-01-02 Marek Polacek <polacek@redhat.com>
1044
1045 PR c++/88612 - ICE with -Waddress-of-packed-member.
1046 * call.c (convert_for_arg_passing): Only give warnings with tf_warning.
1047 * typeck.c (convert_for_assignment): Likewise.
1048
1049 PR c++/88631 - CTAD failing for value-initialization.
1050 * typeck2.c (build_functional_cast): Try deducing the template
1051 arguments even if there are no arguments to deduce from.
1052
1053 2019-01-01 Jakub Jelinek <jakub@redhat.com>
1054
1055 Update copyright years.
1056 \f
1057 Copyright (C) 2019 Free Software Foundation, Inc.
1058
1059 Copying and distribution of this file, with or without modification,
1060 are permitted in any medium without royalty provided the copyright
1061 notice and this notice are preserved.