| blob | ffdb6906fd8395c3766f310670155ff2c6dd18a5 |
1 2021-10-15 Jason Merrill <jason@redhat.com>
3 PR c++/51851
4 PR c++/101402
5 PR c++/102033
6 PR c++/102034
7 PR c++/102039
8 PR c++/102044
9 * pt.c (determine_specialization): Remove redundant code.
10 (fn_type_unification): Check for mismatched length.
11 (type_unification_real): Ignore terminal void.
12 (get_bindings): Don't stop at void_list_node.
13 * class.c (resolve_address_of_overloaded_function): Likewise.
15 2021-10-15 Jason Merrill <jason@redhat.com>
17 * constexpr.c (cxx_bind_parameters_in_call): Replace
18 new_call parameter with fun.
19 (cxx_eval_call_expression): Call it before instantiation.
20 (cxx_eval_outermost_constant_expr): Only instantiate fns
21 when manifestly_const_eval.
22 * typeck2.c (check_narrowing): This context is manifestly
23 constant-evaluated.
25 2021-10-14 Kwok Cheung Yeung <kcy@codesourcery.com>
27 * decl.c (omp_declare_variant_finalize_one): Change call from
28 c_omp_mark_declare_variant to omp_mark_declare_variant.
29 * parser.c (cp_finish_omp_declare_variant): Change call from
30 c_omp_check_context_selector to omp_check_context_selector.
32 2021-10-09 Jakub Jelinek <jakub@redhat.com>
34 * parser.c (cp_parser_omp_structured_block): Remove disallow_omp_attrs
35 argument.
36 (cp_parser_omp_structured_block_sequence): New function.
37 (cp_parser_omp_scan_loop_body): Use it.
38 (cp_parser_omp_sections_scope): Likewise.
40 2021-10-08 Martin Liska <mliska@suse.cz>
42 * constexpr.c (maybe_warn_about_constant_value): Use new macro
43 OPTION_SET_P.
44 * decl.c (redeclaration_error_message): Likewise.
45 (cxx_init_decl_processing): Likewise.
47 2021-10-08 Jakub Jelinek <jakub@redhat.com>
49 PR c++/102640
50 * parser.c (handle_omp_declare_target_clause): New function.
51 (cp_parser_omp_declare_target): Use it.
53 2021-10-07 Patrick Palka <ppalka@redhat.com>
55 PR c++/61355
56 * pt.c (convert_template_argument): Perform array/function to
57 pointer conversion on the substituted type of an NTTP.
59 2021-10-07 Patrick Palka <ppalka@redhat.com>
61 PR c++/99904
62 * pt.c (is_compatible_template_arg): Set processing_template_decl
63 around tsubst_constraint_info.
65 2021-10-07 Jonathan Wakely <jwakely@redhat.com>
67 PR c++/102482
68 * init.c (maybe_warn_list_ctor): Do not warn for a reference to
69 a non-const std::initializer_list.
71 2021-10-06 Jakub Jelinek <jakub@redhat.com>
73 PR c++/102612
74 * parser.c (cp_parser_jump_statement): Implement C++23 P2242R3.
75 Allow goto expressions in constexpr function bodies for C++23.
76 Adjust error message for older standards to mention it.
77 * decl.c (start_decl): Allow static and thread_local declarations
78 in constexpr function bodies for C++23. Adjust error message for
79 older standards to mention it.
80 * constexpr.c (ensure_literal_type_for_constexpr_object): Allow
81 declarations of variables with non-literal type in constexpr function
82 bodies for C++23. Adjust error message for older standards to mention
83 it.
84 (cxx_eval_constant_expression) <case DECL_EXPR>: Diagnose declarations
85 of initialization of static or thread_local vars.
86 (cxx_eval_constant_expression) <case GOTO_EXPR>: Diagnose goto
87 statements for C++23.
88 (potential_constant_expression_1) <case DECL_EXPR>: Swap the
89 CP_DECL_THREAD_LOCAL_P and TREE_STATIC checks.
90 (potential_constant_expression_1) <case LABEL_EXPR>: Allow labels for
91 C++23. Adjust error message for older standards to mention it.
93 2021-10-06 Jakub Jelinek <jakub@redhat.com>
94 Jason Merrill <jason@redhat.com>
96 PR c++/98712
97 PR c++/102490
98 * cp-tree.h (maybe_synthesize_method): Declare.
99 * method.c (genericize_spaceship): Use
100 LOOKUP_NORMAL | LOOKUP_NONVIRTUAL | LOOKUP_DEFAULTED instead of
101 LOOKUP_NORMAL for flags.
102 (comp_info): Remove defining member. Add complain, code, retcat.
103 (comp_info::comp_info): Adjust.
104 (do_one_comp): Split out from build_comparison_op. Use
105 LOOKUP_NORMAL | LOOKUP_NONVIRTUAL | LOOKUP_DEFAULTED instead of
106 LOOKUP_NORMAL for flags.
107 (build_comparison_op): Add defining argument. Adjust comp_info
108 construction. Use defining instead of info.defining. Assert that
109 if defining, ctype is a complete type. Walk base binfos.
110 (synthesize_method, maybe_explain_implicit_delete,
111 explain_implicit_non_constexpr): Adjust build_comparison_op callers.
112 (maybe_synthesize_method): New function.
113 * class.c (check_bases_and_members): Don't call defaulted_late_check
114 for sfk_comparison.
115 (finish_struct_1): Call it here instead after class has been
116 completed.
117 * pt.c (maybe_instantiate_noexcept): Call maybe_synthesize_method
118 instead of synthesize_method.
120 2021-10-05 Jakub Jelinek <jakub@redhat.com>
122 PR c++/102548
123 * tree.c (apply_identity_attributes): Fix handling of the
124 case where an attribute in the list doesn't affect type
125 identity but some attribute before it does.
127 2021-10-05 Patrick Palka <ppalka@redhat.com>
129 PR c++/102547
130 * constexpr.c (potential_constant_expression_1): Handle
131 NONTYPE_ARGUMENT_PACK.
133 2021-10-05 Patrick Palka <ppalka@redhat.com>
135 PR c++/98930
136 * pt.c (has_value_dependent_address): Return true for a static
137 local variable from a function template.
139 2021-10-04 Marek Polacek <polacek@redhat.com>
141 PR c++/97573
142 * typeck.c (cp_build_binary_op): Call do_warn_array_compare.
144 2021-10-03 Iain Sandoe <iain@sandoe.co.uk>
146 PR c++/101765
147 * coroutines.cc (register_local_var_uses): Emit a sorry if
148 we encounter a VLA in the coroutine local variables.
150 2021-10-03 Iain Sandoe <iain@sandoe.co.uk>
152 PR c++/99710
153 * coroutines.cc (await_statement_walker): Report an error if
154 an await expression is found in a handler body.
156 2021-10-03 John Eivind Helset <jehelset@gmail.com>
158 PR c++/100673
159 * coroutines.cc (build_co_await): Guard against NULL
160 await_suspend types.
162 2021-10-03 Iain Sandoe <iain@sandoe.co.uk>
164 PR c++/101133
165 * coroutines.cc (build_co_await): Mark co_await_expr trees
166 with TREE_SIDE_EFFECTS, also mark any containing expression.
167 (finish_co_await_expr): Mark type-dependent co_await_expr
168 trees with TREE_SIDE_EFFECTS.
170 2021-10-03 Iain Sandoe <iain@sandoe.co.uk>
172 PR c++/99575
173 * coroutines.cc (build_co_await): Strip NOPs from
174 candidate awaiter expressions before testing to see
175 if they need a temporary.
177 2021-10-01 Martin Sebor <msebor@redhat.com>
179 PR c/102103
180 * typeck.c (warn_for_null_address): Enhance.
181 (cp_build_binary_op): Call it also for member pointers.
183 2021-10-01 qingzhe huang <nickhuang99@hotmail.com>
185 PR c++/101783
186 * tree.c (cp_build_qualified_type_real): Exclude typedef from
187 error.
189 2021-10-01 Jakub Jelinek <jakub@redhat.com>
190 Richard Biener <rguenther@suse.de>
192 PR sanitizer/102515
193 * typeck.c (cp_build_binary_op): Call ubsan_instrument_division
194 for division even for SANITIZE_SI_OVERFLOW.
196 2021-10-01 Jakub Jelinek <jakub@redhat.com>
198 * parser.c (cp_parser_omp_clause_order): Set
199 OMP_CLAUSE_ORDER_REPRODUCIBLE for explicit reproducible: modifier.
201 2021-10-01 Jakub Jelinek <jakub@redhat.com>
203 PR c++/102496
204 * name-lookup.c (push_local_extern_decl_alias): Return early even for
205 tls vars with non-dependent type when processing_template_decl. For
206 CP_DECL_THREAD_LOCAL_P vars call set_decl_tls_model on alias.
208 2021-09-30 Patrick Palka <ppalka@redhat.com>
210 PR c++/102535
211 * method.c (is_xible_helper): Don't exit early for multi-arg
212 ctors in C++20.
214 2021-09-30 Patrick Palka <ppalka@redhat.com>
216 * parser.c (cp_parser_trait_expr): Call nreverse on the reversed
217 list of trailing arguments.
219 2021-09-30 Patrick Palka <ppalka@redhat.com>
221 PR c++/95567
222 * method.c (build_comparison_op): Skip DECL_VIRTUAL_P fields.
224 2021-09-28 Patrick Palka <ppalka@redhat.com>
226 PR c++/99909
227 * pt.c (coerce_template_template_parms): Keep
228 processing_template_decl set around the call to unify as well.
230 2021-09-28 Iain Sandoe <iain@sandoe.co.uk>
232 PR c++/102454
233 * coroutines.cc (analyze_fn_parms): Clean up synthetic names for
234 unnamed function params.
235 (morph_fn_to_coro): Do not try to set a guard variable for param
236 DTORs in the ramp, unless we have exceptions active.
238 2021-09-27 Patrick Palka <ppalka@redhat.com>
240 PR c++/102479
241 * pt.c (rewrite_template_parm): Handle single-level tsubst_args.
242 Avoid a tree cycle when assigning the DECL_TEMPLATE_PARMS for a
243 rewritten ttp.
244 (alias_ctad_tweaks): Set current_template_parms accordingly.
246 2021-09-23 Michel Morin <mimomorin@gmail.com>
248 * parser.c (cp_keyword_starts_decl_specifier_p): Do not
249 handle RID_ATTRIBUTE.
250 (cp_parser_constructor_declarator_p): Remove now-redundant
251 checks.
252 (cp_parser_lambda_declarator_opt): Likewise.
254 2021-09-23 Michel Morin <mimomorin@gmail.com>
256 PR c++/77565
257 * parser.c (cp_keyword_starts_decl_specifier_p): Handle more
258 decl-specifiers (typedef/inline/cv/explicit/virtual/friend).
260 2021-09-23 Patrick Palka <ppalka@redhat.com>
262 * ptree.c (cxx_print_decl): Dump the DECL_TEMPLATE_RESULT of
263 a TEMPLATE_DECL. Dump the DECL_TEMPLATE_INFO rather than just
264 printing its pointer value.
266 2021-09-23 Jakub Jelinek <jakub@redhat.com>
268 PR c++/102413
269 * parser.c (cp_parser_omp_directive_args): Diagnose if omp::directive
270 is not followed by a balanced token sequence starting with open paren.
272 2021-09-22 Patrick Palka <ppalka@redhat.com>
274 DR 2446
275 PR c++/102412
276 * constexpr.c (cxx_eval_constant_expression)
277 <case TEMPLATE_ID_EXPR>: Check value_dependent_expression_p
278 instead of processing_template_decl.
279 * pt.c (value_dependent_expression_p) <case TEMPLATE_ID_EXPR>:
280 Return true only if any_dependent_template_arguments_p.
281 (instantiation_dependent_r) <case CALL_EXPR>: Remove this case.
282 <case TEMPLATE_ID_EXPR>: Likewise.
284 2021-09-22 Jakub Jelinek <jakub@redhat.com>
286 * parser.c (cp_parser_omp_clause_allocate): Parse allocate clause
287 modifiers.
288 * semantics.c (finish_omp_clauses) <OMP_CLAUSE_ALLOCATE>: Perform
289 semantic analysis of OMP_CLAUSE_ALLOCATE_ALIGN.
290 * pt.c (tsubst_omp_clauses) <case OMP_CLAUSE_ALLOCATE>: Handle
291 also OMP_CLAUSE_ALLOCATE_ALIGN.
293 2021-09-22 Barrett Adair <barrettellisadair@gmail.com>
295 * pt.c (find_parm_usage_r): New walk_tree callback to find func
296 parms.
297 (any_template_arguments_need_structural_equality_p): New special
298 case.
300 2021-09-21 wangpc <pc.wang@linux.alibaba.com>
302 * decl.c (start_decl_1): Move verify_type_context to ...
303 (cp_finish_decl): ... to here.
305 2021-09-18 Jakub Jelinek <jakub@redhat.com>
307 * parser.c (cp_parser_omp_clause_order): Parse unconstrained
308 and reproducible modifiers.
309 (OMP_DISTRIBUTE_CLAUSE_MASK): Add order clause.
311 2021-09-18 Jakub Jelinek <jakub@redhat.com>
313 * parser.c (cp_parser_omp_clause_default): Handle private and
314 firstprivate arguments, adjust diagnostics on unknown argument.
315 * cp-gimplify.c (cxx_omp_finish_clause): Handle OMP_CLAUSE_PRIVATE.
317 2021-09-18 Jason Merrill <jason@redhat.com>
319 * cp-tree.h (dependentish_scope_p): Declare.
320 * pt.c (dependentish_scope_p): New.
321 * parser.c (cp_parser_lookup_name): Return a TYPENAME_TYPE
322 for lookup of a type in a dependent object.
323 (cp_parser_template_id): Handle TYPENAME_TYPE.
324 (cp_parser_template_name): If we're looking for a type,
325 a name followed by < names a template.
327 2021-09-18 Jason Merrill <jason@redhat.com>
329 * cp-tree.h: Fix typo in LANG_FLAG list.
331 2021-09-17 Jakub Jelinek <jakub@redhat.com>
333 * cp-tree.h (finish_omp_atomic): Add r and weak arguments.
334 * parser.c (cp_parser_omp_atomic): Update function comment for
335 OpenMP 5.1 atomics, parse OpenMP 5.1 atomics and fail, compare and
336 weak clauses.
337 * semantics.c (finish_omp_atomic): Add r and weak arguments, handle
338 them, handle COND_EXPRs.
339 * pt.c (tsubst_expr): Adjust for COND_EXPR forms that
340 finish_omp_atomic can now produce.
342 2021-09-16 Patrick Palka <ppalka@redhat.com>
344 PR c++/98486
345 * constraint.cc (get_normalized_constraints_from_decl): Always
346 look up constraints using the most general template.
347 * decl.c (grokdeclarator): Set constraints on a static data
348 member template.
349 * pt.c (determine_specialization): Check constraints on a
350 variable template.
352 2021-09-16 Iain Sandoe <iain@sandoe.co.uk>
354 * coroutines.cc (await_statement_walker): Code cleanups.
356 2021-09-16 Jason Merrill <jason@redhat.com>
358 * constexpr.c (cxx_eval_outermost_constant_expr): Use
359 protected_set_expr_location.
361 2021-09-15 Patrick Palka <ppalka@redhat.com>
363 PR c++/101904
364 * call.c (build_user_type_conversion_1): Add tf_conv to complain.
365 (add_candidates): When in a SFINAE context, instead of adding a
366 candidate to bad_fns just mark it unviable.
368 2021-09-15 Jason Merrill <jason@redhat.com>
370 * cp-tree.h (parsing_function_declarator): Declare.
371 * name-lookup.c (set_decl_context_in_fn): Use it.
372 * parser.c (cp_parser_direct_declarator): Use it.
373 (parsing_function_declarator): New.
375 2021-09-15 Jakub Jelinek <jakub@redhat.com>
377 PR c++/88578
378 PR c++/102295
379 * typeck2.c (split_nonconstant_init_1): Don't throw away empty
380 initializers of flexible array members if they have non-zero type
381 size.
383 2021-09-15 Patrick Palka <ppalka@redhat.com>
385 PR c++/102050
386 * decl.c (grok_special_member_properties): Set
387 TYPE_HAS_COPY_CTOR, TYPE_HAS_DEFAULT_CONSTRUCTOR
388 and TYPE_HAS_LIST_CTOR independently from each other.
390 2021-09-15 Jason Merrill <jason@redhat.com>
392 * decl.c (cxx_init_decl_processing): Only warn about odd
393 interference sizes if they were specified with --param.
395 2021-09-15 Jason Merrill <jason@redhat.com>
397 PR c++/48396
398 * cp-tree.h (enum cp_tree_index): Remove CPTI_TYPE_INFO_PTR_TYPE.
399 (type_info_ptr_type): Remove.
400 * rtti.c (init_rtti_processing): Don't predeclare std::type_info.
401 (typeid_ok_p): Check for null const_type_info_type_node.
402 (type_info_ptr_type, get_void_tinfo_ptr): New fns.
403 (get_tinfo_decl_dynamic, get_tinfo_ptr): Use them.
404 (ptr_initializer, ptm_initializer, get_pseudo_ti_init): Use them.
405 (get_tinfo_desc): Use const_ptr_type_node.
407 2021-09-15 Jason Merrill <jason@redhat.com>
409 * parser.c (cp_parser_template_name): Move object type.
410 (cp_parser_pre_parsed_nested_name_specifier): Likewise.
412 2021-09-15 Jason Merrill <jason@redhat.com>
414 * parser.c (cp_parser_unqualified_id): Only complain about ~A<T> in
415 a declarator.
417 2021-09-14 Iain Sandoe <iain@sandoe.co.uk>
419 * coroutines.cc (struct param_info): Add copy_var.
420 (build_actor_fn): Use simplified param references.
421 (register_param_uses): Likewise.
422 (rewrite_param_uses): Likewise.
423 (analyze_fn_parms): New function.
424 (coro_rewrite_function_body): Add proxies for the fn
425 parameters to the outer bind scope of the rewritten code.
426 (morph_fn_to_coro): Use simplified version of param ref.
428 2021-09-14 Iain Sandoe <iain@sandoe.co.uk>
430 * coroutines.cc (coro_resume_fn_id, coro_destroy_fn_id,
431 coro_promise_id, coro_frame_needs_free_id, coro_resume_index_id,
432 coro_self_handle_id, coro_actor_continue_id,
433 coro_frame_i_a_r_c_id): New.
434 (coro_init_identifiers): Initialize new name identifiers.
435 (coro_promise_type_found_p): Use pre-built identifiers.
436 (struct await_xform_data): Remove unused fields.
437 (transform_await_expr): Delete code that is now unused.
438 (build_actor_fn): Simplify interface, use pre-built identifiers and
439 remove transforms that are no longer needed.
440 (build_destroy_fn): Use revised field names.
441 (register_local_var_uses): Use pre-built identifiers.
442 (coro_rewrite_function_body): Simplify interface, use pre-built
443 identifiers. Generate proxy vars in the outer bind expr scope for the
444 implementation state that we wish to expose.
445 (morph_fn_to_coro): Adjust comments for new variable names, use pre-
446 built identifiers. Remove unused code to generate frame entries for
447 the implementation state. Adjust call for build_actor_fn.
449 2021-09-14 Patrick Palka <ppalka@redhat.com>
451 PR c++/102163
452 * constexpr.c (cxx_eval_call_expression): After evaluating a
453 subobject constructor call for an empty union member, produce a
454 side effect that makes sure the member gets activated.
456 2021-09-14 Jakub Jelinek <jakub@redhat.com>
458 PR c++/102295
459 * decl.c (layout_var_decl): For aggregates ending with a flexible
460 array member, add the size of the initializer for that member to
461 DECL_SIZE and DECL_SIZE_UNIT.
463 2021-09-14 Jakub Jelinek <jakub@redhat.com>
465 PR c++/102305
466 * method.c (is_xible_helper): Call complete_type on to.
468 2021-09-14 Jason Merrill <jason@redhat.com>
470 * decl.c (cxx_init_decl_processing): Don't warn if L1 cache line
471 size is smaller than maxalign.
473 2021-09-13 Jason Merrill <jason@redhat.com>
475 * constexpr.c (maybe_warn_about_constant_value):
476 Complain about std::hardware_destructive_interference_size.
477 (cxx_eval_constant_expression): Call it.
478 * decl.c (cxx_init_decl_processing): Check
479 --param *-interference-size values.
481 2021-09-13 Patrick Palka <ppalka@redhat.com>
483 PR c++/101764
484 * cp-tree.h (PACK_EXPANSION_FORCE_EXTRA_ARGS_P): New accessor
485 macro.
486 * pt.c (has_extra_args_mechanism_p): New function.
487 (find_parameter_pack_data::found_extra_args_tree_p): New data
488 member.
489 (find_parameter_packs_r): Set ppd->found_extra_args_tree_p
490 appropriately.
491 (make_pack_expansion): Set PACK_EXPANSION_FORCE_EXTRA_ARGS_P if
492 ppd.found_extra_args_tree_p.
493 (use_pack_expansion_extra_args_p): Return true if there were
494 unsubstituted packs and PACK_EXPANSION_FORCE_EXTRA_ARGS_P.
495 (tsubst_pack_expansion): Pass the pack expansion to
496 use_pack_expansion_extra_args_p.
498 2021-09-10 Jakub Jelinek <jakub@redhat.com>
500 * parser.c (cp_parser_omp_atomic): Allow acq_rel on atomic read/write
501 and acq_rel/acquire clauses on update.
502 * semantics.c (finish_omp_atomic): Adjust c_finish_omp_atomic caller.
504 2021-09-08 Richard Biener <rguenther@suse.de>
506 PR c++/102228
507 * cp-tree.h (ANON_AGGR_TYPE_FIELD): New define.
508 * decl.c (fixup_anonymous_aggr): Wipe RTTI info put in
509 place on invalid code.
510 * decl2.c (reset_type_linkage): Guard CLASSTYPE_TYPEINFO_VAR
511 access.
512 * module.cc (trees_in::read_class_def): Likewise. Reconstruct
513 ANON_AGGR_TYPE_FIELD.
514 * semantics.c (finish_member_declaration): Populate
515 ANON_AGGR_TYPE_FIELD for anon aggregate typed members.
516 * typeck.c (lookup_anon_field): Remove DFS search and return
517 ANON_AGGR_TYPE_FIELD directly.
519 2021-09-07 Jakub Jelinek <jakub@redhat.com>
521 PR c++/100495
522 * constexpr.c (maybe_save_constexpr_fundef): Save body even for
523 constexpr deleting dtors.
524 (cxx_eval_call_expression): Don't use DECL_CLONED_FUNCTION for
525 deleting dtors.
527 2021-09-07 Marcel Vollweiler <marcel@codesourcery.com>
529 * parser.c (cp_parser_omp_flush): Parse 'seq_cst' clause on 'flush'
530 directive.
531 * semantics.c (finish_omp_flush): Handle MEMMODEL_SEQ_CST.
533 2021-09-03 Iain Sandoe <iain@sandoe.co.uk>
535 * coroutines.cc (register_local_var_uses): Do not mangle
536 frame entries for the outermost scope. Record the outer
537 scope as nesting depth 0.
539 2021-09-03 Iain Sandoe <iain@sandoe.co.uk>
541 * coroutines.cc (coro_build_artificial_var): New.
542 (build_actor_fn): Use var builder, rename vars to use
543 implementation namespace.
544 (coro_rewrite_function_body): Likewise.
545 (morph_fn_to_coro): Likewise.
547 2021-09-03 Iain Sandoe <iain@sandoe.co.uk>
549 * coroutines.cc (transform_local_var_uses): Record
550 frame offset expressions as DECL_VALUE_EXPRs instead of
551 rewriting them.
553 2021-09-03 Patrick Palka <ppalka@redhat.com>
555 PR c++/101904
556 * call.c (build_this_conversion): New function, split out from
557 add_function_candidate.
558 (add_function_candidate): New parameter shortcut_bad_convs.
559 Document it. Use build_this_conversion. Stop at the first bad
560 argument conversion when shortcut_bad_convs is true.
561 (add_template_candidate_real): New parameter shortcut_bad_convs.
562 Use build_this_conversion to check the 'this' conversion before
563 attempting deduction. When the rejection reason code is
564 rr_bad_arg_conversion, pass -1 instead of 0 as the viable
565 parameter to add_candidate. Pass 'convs' to add_candidate.
566 (add_template_candidate): New parameter shortcut_bad_convs.
567 (add_template_conv_candidate): Pass false as shortcut_bad_convs
568 to add_template_candidate_real.
569 (add_candidates): Prefer to shortcut bad conversions during
570 overload resolution under the assumption that we'll eventually
571 see a strictly viable candidate. If this assumption turns out
572 to be false, re-process the non-strictly viable candidates
573 without shortcutting those bad conversions.
575 2021-09-03 Jason Merrill <jason@redhat.com>
577 * pt.c (limit_bad_template_recursion): Suppress -Wunused for decls
578 we decide not to instantiate.
580 2021-09-03 Jakub Jelinek <jakub@redhat.com>
582 PR target/102024
583 * class.c (build_base_field): Use SET_DECL_FIELD_ABI_IGNORED
584 instead of writing to DECL_FIELD_ABI_IGNORED.
585 (layout_class_type): Likewise. In the place where zero-width
586 bitfields used to be removed, use
587 SET_DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD on those fields instead.
589 2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
591 * call.c (build_over_call): Handle unavailable state in addition to
592 deprecation.
593 * class.c (type_build_ctor_call): Likewise.
594 (type_build_dtor_call): Likewise.
595 * cp-tree.h: Rename cp_warn_deprecated_use to
596 cp_handle_deprecated_or_unavailable.
597 * decl.c (duplicate_decls): Merge unavailability.
598 (grokdeclarator): Handle unavailability in addition to deprecation.
599 (type_is_unavailable): New.
600 (grokparms): Handle unavailability in addition to deprecation.
601 * decl.h (enum deprecated_states): Add
602 UNAVAILABLE_DEPRECATED_SUPPRESS.
603 * decl2.c (cplus_decl_attributes): Propagate unavailability to
604 templates.
605 (cp_warn_deprecated_use): Rename to ...
606 (cp_handle_deprecated_or_unavailable): ... this and amend to handle
607 the unavailable case. It remains a warning in the case of deprecation
608 but becomes an error in the case of unavailability.
609 (cp_warn_deprecated_use_scopes): Handle unavailability.
610 (mark_used): Likewise.
611 * parser.c (cp_parser_template_name): Likewise.
612 (cp_parser_template_argument): Likewise.
613 (cp_parser_parameter_declaration_list): Likewise.
614 * typeck.c (build_class_member_access_expr): Likewise.
615 (finish_class_member_access_expr): Likewise.
616 * typeck2.c (build_functional_cast_1): Likewise.
618 2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
620 * coroutines.cc (build_actor_fn): Add begin/finish clauses
621 to the initial test in the actor function.
623 2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
625 * coroutines.cc (await_statement_walker): Use build_stmt and
626 add_stmt instead of build1 and finish_expr_stmt.
628 2021-08-31 Jason Merrill <jason@redhat.com>
630 * coroutines.cc (flatten_await_stmt): Fix copyo.
631 * decl.c (reshape_init_class): Simplify.
632 * module.cc (module_state::read_language): Add null check.
633 * parser.c (build_range_temp): Avoid type_uses_auto.
634 (cp_parser_class_specifier_1): Add null check.
636 2021-08-31 Patrick Palka <ppalka@redhat.com>
638 PR c++/12672
639 * call.c (rejection_reason::call_varargs_p): Rename this
640 previously unused member to ...
641 (rejection_reason::least_p): ... this.
642 (arity_rejection): Add least_p parameter.
643 (add_template_candidate_real): When there are explicit
644 template arguments, check that the arity of the call agrees with
645 the arity of the function before attempting deduction.
646 (print_arity_information): Add least_p parameter.
647 (print_z_candidate): Adjust call to print_arity_information.
649 2021-08-31 Martin Sebor <msebor@redhat.com>
651 * parser.c (cp_parser_selection_statement): Use direct initialization
652 instead of copy.
654 2021-08-31 Jason Merrill <jason@redhat.com>
656 * constexpr.c (explain_invalid_constexpr_fn): Use iloc_sentinel.
658 2021-08-31 Jason Merrill <jason@redhat.com>
660 PR c++/92193
661 * cp-tree.h (FNDECL_MANIFESTLY_CONST_EVALUATED): New.
662 * constexpr.c (cxx_eval_call_expression): Set it.
663 * pt.c (neglectable_inst_p): Check it.
665 2021-08-31 Marcel Vollweiler <marcel@codesourcery.com>
667 * parser.c (cp_parser_omp_clause_device): Parse device-modifiers 'device_num'
668 and 'ancestor' in 'target device' clauses.
669 * semantics.c (finish_omp_clauses): Error handling. Constant device ids must
670 evaluate to '1' if 'ancestor' is used.
672 2021-08-30 Jason Merrill <jason@redhat.com>
674 PR c++/96286
675 * cp-tree.h (struct lang_type): Add erroneous bit-field.
676 (CLASSTYPE_ERRONEOUS): New.
677 * pt.c (limit_bad_template_recursion): Check it.
678 (instantiate_class_template_1): Set it.
680 2021-08-30 Jason Merrill <jason@redhat.com>
682 * constexpr.c (cxx_eval_outermost_constant_expr): Copy
683 expr location to result.
685 2021-08-30 Jason Merrill <jason@redhat.com>
687 PR c++/101460
688 * cp-tree.h (cxx_constant_value_sfinae): Declare.
689 * constexpr.c (cxx_constant_value_sfinae): New.
690 * pt.c (fold_targs_r, maybe_fold_fn_template_args): New.
691 (tsubst_copy_and_build) [CALL_EXPR]: Call
692 maybe_fold_fn_template_args.
694 2021-08-30 Jason Merrill <jason@redhat.com>
696 * parser.c (cp_parser_simple_requirement): Warn about missing
697 requires.
699 2021-08-27 Jason Merrill <jason@redhat.com>
701 * typeck2.c (build_x_arrow): Do set TREE_TYPE when operand is
702 a dependent pointer.
704 2021-08-25 Andrew Pinski <apinski@marvell.com>
706 PR c++/66590
707 * cp-objcp-common.c (cxx_block_may_fallthru): Handle
708 CLEANUP_STMT for the case which will be try/finally.
710 2021-08-25 Jakub Jelinek <jakub@redhat.com>
712 PR c++/102019
713 * init.c (build_value_init_noctor): Ignore unnamed zero-width
714 bitfields.
716 2021-08-23 Jakub Jelinek <jakub@redhat.com>
718 * parser.c (cp_parser_omp_clause_num_tasks,
719 cp_parser_omp_clause_grainsize): Parse the optional strict: modifier.
721 2021-08-20 Jakub Jelinek <jakub@redhat.com>
723 * parser.c (cp_parser_handle_statement_omp_attributes): Determine if
724 PRAGMA_OMP_ERROR directive is C_OMP_DIR_STANDALONE.
725 (cp_parser_omp_error): New function.
726 (cp_parser_pragma): Handle PRAGMA_OMP_ERROR.
728 2021-08-20 Jakub Jelinek <jakub@redhat.com>
730 * parser.c (cp_parser_omp_clause_depend_sink): Reject spurious
731 comma at the end of list. Don't parse closing paren here...
732 (cp_parser_omp_clause_depend): ... but here instead.
734 2021-08-19 Patrick Palka <ppalka@redhat.com>
736 PR c++/101803
737 * cp-tree.h (CONSTRUCTOR_IS_PAREN_INIT): Clarify comment.
739 2021-08-19 Jakub Jelinek <jakub@redhat.com>
741 * parser.c (cp_parser_omp_requires): Don't call cp_lexer_nth_token_is
742 and optionally consume token if current token is CPP_EOF,
743 CPP_PRAGMA_EOL or CPP_CLOSE_PAREN.
745 2021-08-19 Jakub Jelinek <jakub@redhat.com>
747 * parser.c (cp_parser_omp_nothing): Use cp_parser_require_pragma_eol
748 instead of cp_parser_skip_to_pragma_eol.
750 2021-08-18 Patrick Palka <ppalka@redhat.com>
752 PR c++/101344
753 PR c++/101803
754 * cp-tree.h (CONSTRUCTOR_BRACES_ELIDED_P): Define.
755 * decl.c (reshape_init_r): Set it.
756 * pt.c (collect_ctor_idx_types): Recurse into a sub-CONSTRUCTOR
757 iff CONSTRUCTOR_BRACES_ELIDED_P.
759 2021-08-18 Patrick Palka <ppalka@redhat.com>
761 PR c++/101883
762 * pt.c (convert_template_argument): Pass LOOKUP_IMPLICIT to
763 do_auto_deduction.
765 2021-08-18 Jakub Jelinek <jakub@redhat.com>
767 * parser.c (cp_parser_omp_nothing): New function.
768 (cp_parser_pragma): Handle PRAGMA_OMP_NOTHING.
770 2021-08-18 Jakub Jelinek <jakub@redhat.com>
772 * parser.c (cp_parser_omp_ordered): Return true instead of
773 false after emitting errors that the directive is not allowed in
774 pragma_stmt context.
775 (cp_parser_omp_target_update): Likewise.
776 (cp_parser_omp_cancellation_point): Change return type from void to
777 bool, return false if the directive should be ignored in pragma_stmt
778 contexts.
779 (cp_parser_omp_target_enter_data, cp_parser_omp_target_exit_data):
780 Change return type from tree to bool, return false if the
781 directive should be ignored in pragma_stmt contexts.
782 (cp_parser_omp_target): Adjust callers of cp_parser_omp_target_*_data,
783 return their result directly.
784 (cp_parser_pragma): For PRAGMA_OMP_CANCELLATION_POINT return what
785 cp_parser_omp_cancellation_point returned. Return true instead of
786 false after emitting errors that the directive is not allowed in
787 pragma_stmt context.
789 2021-08-17 Jakub Jelinek <jakub@redhat.com>
791 PR c++/101539
792 * cp-tree.h (enum cp_trait_kind): Add CPTK_IS_LAYOUT_COMPATIBLE.
793 (enum cp_built_in_function): Add CP_BUILT_IN_IS_CORRESPONDING_MEMBER.
794 (fold_builtin_is_corresponding_member, next_common_initial_seqence,
795 layout_compatible_type_p): Declare.
796 * parser.c (cp_parser_primary_expression): Handle
797 RID_IS_LAYOUT_COMPATIBLE.
798 (cp_parser_trait_expr): Likewise.
799 * cp-objcp-common.c (names_builtin_p): Likewise.
800 * constraint.cc (diagnose_trait_expr): Handle
801 CPTK_IS_LAYOUT_COMPATIBLE.
802 * decl.c (cxx_init_decl_processing): Register
803 __builtin_is_corresponding_member builtin.
804 * constexpr.c (cxx_eval_builtin_function_call): Handle
805 CP_BUILT_IN_IS_CORRESPONDING_MEMBER builtin.
806 * semantics.c (is_corresponding_member_union,
807 is_corresponding_member_aggr, fold_builtin_is_corresponding_member):
808 New functions.
809 (trait_expr_value): Handle CPTK_IS_LAYOUT_COMPATIBLE.
810 (finish_trait_expr): Likewise.
811 * typeck.c (next_common_initial_seqence, layout_compatible_type_p):
812 New functions.
813 * cp-gimplify.c (cp_gimplify_expr): Fold
814 CP_BUILT_IN_IS_CORRESPONDING_MEMBER.
815 (cp_fold): Likewise.
816 * tree.c (builtin_valid_in_constant_expr_p): Handle
817 CP_BUILT_IN_IS_CORRESPONDING_MEMBER.
818 * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
819 CPTK_IS_LAYOUT_COMPATIBLE.
820 * class.c (remove_zero_width_bit_fields): Remove.
821 (layout_class_type): Don't call it.
823 2021-08-17 Jakub Jelinek <jakub@redhat.com>
825 * parser.c (OMP_SCOPE_CLAUSE_MASK): Define.
826 (cp_parser_omp_scope): New function.
827 (cp_parser_omp_construct, cp_parser_pragma): Handle PRAGMA_OMP_SCOPE.
828 * pt.c (tsubst_expr): Handle OMP_SCOPE.
830 2021-08-12 Jakub Jelinek <jakub@redhat.com>
832 * parser.c (cp_parser_omp_clause_name): Parse filter clause name.
833 (cp_parser_omp_clause_filter): New function.
834 (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_FILTER.
835 (OMP_MASKED_CLAUSE_MASK): Define.
836 (cp_parser_omp_masked): New function.
837 (cp_parser_omp_parallel): Handle parallel masked.
838 (cp_parser_omp_construct, cp_parser_pragma): Handle PRAGMA_OMP_MASKED.
839 * semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_FILTER.
840 * pt.c (tsubst_omp_clauses): Likewise.
841 (tsubst_expr): Handle OMP_MASKED.
843 2021-08-12 Sergei Trofimovich <siarheit@google.com>
845 PR c++/101219
846 * pt.c (tsubst_copy_and_build): Use build_ptrmemfunc_access_expr
847 to construct ptrmemfunc expression instantiation.
849 2021-08-12 Tobias Burnus <tobias@codesourcery.com>
851 * parser.c (cp_parser_omp_clause_proc_bind): Accept
852 'primary' as alias for 'master'.
854 2021-08-12 Jakub Jelinek <jakub@redhat.com>
856 * cp-tree.h (omp_declare_target_attr): New type.
857 (struct saved_scope): Change type of omp_declare_target_attribute
858 from int to vec<omp_declare_target_attr, va_gc> * and move it.
859 * parser.c (cp_parser_omp_declare_target): Instead of
860 incrementing scope_chain->omp_declare_target_attribute, push
861 a struct containing parser->lexer->in_omp_attribute_pragma to
862 the vector.
863 (cp_parser_omp_end_declare_target): Instead of decrementing
864 scope_chain->omp_declare_target_attribute, pop a structure
865 from it. Diagnose mismatching declare target vs.
866 end declare target syntax.
867 * semantics.c (finish_translation_unit): Use vec_safe_length
868 and vec_safe_truncate on scope_chain->omp_declare_target_attributes.
869 * decl2.c (cplus_decl_attributes): Use vec_safe_length
870 on scope_chain->omp_declare_target_attributes.
872 2021-08-12 Jakub Jelinek <jakub@redhat.com>
874 * parser.c (cp_parser_lambda_body): Add temp overrides
875 for parser->{omp_declare_simd,oacc_routine,omp_attrs_forbidden_p}.
876 (cp_parser_statement): Restore parser->omp_attrs_forbidden_p for
877 cp_parser_declaration_statement.
878 (cp_parser_default_argument): Add temp override for
879 parser->omp_attrs_forbidden_p.
880 (cp_parser_late_parsing_omp_declare_simd): Diagnose declare simd
881 or declare variant in attribute syntax on a declaration immediately
882 following an OpenMP construct in pragma syntax.
884 2021-08-12 Jakub Jelinek <jakub@redhat.com>
886 PR c++/94162
887 * method.c (cat_tag_for): Return cc_last for !CLASS_TYPE_P
888 or for classes not in std namespace.
890 2021-08-12 Jakub Jelinek <jakub@redhat.com>
892 * name-lookup.c (finish_using_directive): Diagnose omp::directive
893 or omp::sequence attributes on using-directive.
895 2021-08-12 Jakub Jelinek <jakub@redhat.com>
897 * parser.c (cp_parser_block_declaration): Call
898 cp_parser_using_directive for C++11 attributes followed by
899 using namespace tokens.
900 (cp_parser_using_directive): Parse C++11 attributes at the start
901 of the directive rather than at the end, only parse GNU attributes
902 at the end.
904 2021-08-12 Patrick Palka <ppalka@redhat.com>
906 PR c++/101663
907 * constexpr.c (cxx_eval_store_expression): Handle the lval=true
908 case in the early exit code path for empty stores with mismatched
909 types.
911 2021-08-11 Patrick Palka <ppalka@redhat.com>
913 PR c++/101725
914 DR 2082
915 * cp-tree.h (unevaluated_p): Return true for REQUIRES_EXPR.
916 * decl.c (local_variable_p_walkfn): Don't walk into unevaluated
917 operands.
918 * parser.c (cp_parser_primary_expression) <case CPP_NAME>: Never
919 reject uses of local variables in unevaluated contexts.
920 * tree.c (cp_walk_subtrees) <case REQUIRES_EXPR>: Increment
921 cp_unevaluated_operand. Use cp_walk_tree directly instead of
922 WALK_SUBTREE to avoid the goto. Use REQUIRES_EXPR_REQS instead
923 of TREE_OPERAND directly.
925 2021-08-11 Jakub Jelinek <jakub@redhat.com>
927 PR c++/101786
928 * decl2.c (var_defined_without_dynamic_init): Return true for
929 DECL_DECLARED_CONSTINIT_P with complete type and trivial destructor.
931 2021-08-11 Patrick Palka <ppalka@redhat.com>
933 PR c++/79501
934 * parser.c (maybe_adjust_declarator_for_dguide): New, split
935 out from ...
936 (cp_parser_init_declarator): ... here.
937 (cp_parser_member_declaration): Use it.
939 2021-08-11 Patrick Palka <ppalka@redhat.com>
941 PR c++/89062
942 * parser.c (cp_parser_parameter_declaration_list): Don't call
943 grokdeclarator if cp_parser_error_occurred.
944 (cp_parser_parameter_declaration): Simulate an error if we see
945 the beginning of a CTAD form, i.e. if we see an opening brace
946 after the decl-specifier-seq and the type is a CTAD placeholder.
948 2021-08-10 Jakub Jelinek <jakub@redhat.com>
950 * parser.c (cp_parser_member_declaration): Move odsd declaration
951 before cp_parser_using_declaration call to avoid errors with
952 GCC 4.8 to 6.
954 2021-08-10 Jakub Jelinek <jakub@redhat.com>
956 * parser.h (struct cp_omp_declare_simd_data): Remove
957 in_omp_attribute_pragma and clauses members, add loc and attribs.
958 (struct cp_oacc_routine_data): Remove loc member, add clauses
959 member.
960 * parser.c (cp_finalize_omp_declare_simd): New function.
961 (cp_parser_handle_statement_omp_attributes): Mention in
962 function comment the function is used also for
963 attribute-declaration.
964 (cp_parser_handle_directive_omp_attributes): New function.
965 (cp_parser_statement): Don't call
966 cp_parser_handle_statement_omp_attributes if statement doesn't
967 have attribute-specifier-seq at the beginning at all or if
968 if those attributes don't appertain to the statement.
969 (cp_parser_simple_declaration): Call
970 cp_parser_handle_directive_omp_attributes and
971 cp_finalize_omp_declare_simd.
972 (cp_parser_explicit_instantiation): Likewise.
973 (cp_parser_init_declarator): Initialize prefix_attributes
974 only after parsing declarators.
975 (cp_parser_direct_declarator): Call
976 cp_parser_handle_directive_omp_attributes and
977 cp_finalize_omp_declare_simd.
978 (cp_parser_member_declaration): Likewise.
979 (cp_parser_single_declaration): Likewise.
980 (cp_parser_omp_declare_simd): Don't initialize
981 data.in_omp_attribute_pragma, instead initialize
982 data.attribs[0] and data.attribs[1].
983 (cp_finish_omp_declare_variant): Remove
984 in_omp_attribute_pragma argument, instead use
985 parser->lexer->in_omp_attribute_pragma.
986 (cp_parser_late_parsing_omp_declare_simd): Adjust
987 cp_finish_omp_declare_variant caller. Handle attribute-syntax
988 declare simd/variant.
990 2021-08-06 Tamar Christina <tamar.christina@arm.com>
992 * cp-objcp-common.h (cxx_simulate_enum_decl): Pass vec<> by pointer.
993 * decl.c (cxx_simulate_enum_decl): Likewise.
995 2021-08-04 Jakub Jelinek <jakub@redhat.com>
997 PR c++/101759
998 * parser.c (cp_parser_default_argument): Temporarily override
999 parser->omp_declare_simd and parser->oacc_routine to NULL.
1001 2021-08-02 Patrick Palka <ppalka@redhat.com>
1003 PR c++/100828
1004 * logic.cc (formula::formula): Use emplace_back instead of
1005 push_back.
1006 (formula::branch): Insert a copy of m_current directly after
1007 m_current instead of at the end of the list.
1008 (formula::erase): Define.
1009 (decompose_formula): Remove.
1010 (decompose_antecedents): Remove.
1011 (decompose_consequents): Remove.
1012 (derive_proofs): Remove.
1013 (max_problem_size): Remove.
1014 (diagnose_constraint_size): Remove.
1015 (subsumes_constraints_nonnull): Rewrite directly in terms of
1016 decompose_clause and derive_proof, interleaving decomposition
1017 with implication checking. Remove limit on constraint complexity.
1018 Use formula::erase to free the current clause before moving on to
1019 the next one.
1021 2021-07-31 Jason Merrill <jason@redhat.com>
1023 PR c++/96636
1024 * decl.c (fixup_anonymous_aggr): Clear TYPE_NEEDS_CONSTRUCTING
1025 after error.
1027 2021-07-31 Jason Merrill <jason@redhat.com>
1029 * ptree.c (cxx_print_type) [TYPE_PACK_EXPANSION]: Also print
1030 PACK_EXPANSION_PATTERN.
1032 2021-07-31 Jakub Jelinek <jakub@redhat.com>
1034 * parser.c (cp_parser_declaration): Handle OpenMP directives
1035 in attribute-declaration.
1037 2021-07-30 Jakub Jelinek <jakub@redhat.com>
1039 PR c++/101539
1040 * cp-tree.h (enum cp_trait_kind): Add
1041 CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
1042 (enum cp_built_in_function): Add
1043 CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS.
1044 (fold_builtin_is_pointer_inverconvertible_with_class): Declare.
1045 * parser.c (cp_parser_primary_expression): Handle
1046 RID_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
1047 (cp_parser_trait_expr): Likewise.
1048 * cp-objcp-common.c (names_builtin_p): Likewise.
1049 * constraint.cc (diagnose_trait_expr): Handle
1050 CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
1051 * decl.c (cxx_init_decl_processing): Register
1052 __builtin_is_pointer_interconvertible_with_class builtin.
1053 * constexpr.c (cxx_eval_builtin_function_call): Handle
1054 CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS builtin.
1055 * semantics.c (pointer_interconvertible_base_of_p,
1056 first_nonstatic_data_member_p,
1057 fold_builtin_is_pointer_inverconvertible_with_class): New functions.
1058 (trait_expr_value): Handle CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
1059 (finish_trait_expr): Likewise. Formatting fix.
1060 * cp-gimplify.c (cp_gimplify_expr): Fold
1061 CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS. Call
1062 fndecl_built_in_p just once.
1063 (cp_fold): Likewise.
1064 * tree.c (builtin_valid_in_constant_expr_p): Handle
1065 CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS. Call
1066 fndecl_built_in_p just once.
1067 * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
1068 CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
1070 2021-07-30 Jason Merrill <jason@redhat.com>
1072 * class.c (finish_struct_anon): Improve comment.
1073 * decl.c (fixup_anonymous_aggr): Reject anonymous struct
1074 with bases.
1076 2021-07-30 Jakub Jelinek <jakub@redhat.com>
1078 * parser.c (cp_parser_statement): Rollback attributes not just
1079 when std_attrs is non-NULL, but whenever
1080 cp_parser_std_attribute_spec_seq parsed any tokens.
1082 2021-07-30 Jakub Jelinek <jakub@redhat.com>
1084 PR c++/101582
1085 * parser.c (cp_parser_skip_std_attribute_spec_seq): Add a forward
1086 declaration.
1087 (cp_parser_declaration): Parse empty-declaration and
1088 attribute-declaration.
1089 (cp_parser_toplevel_declaration): Don't parse empty-declaration here.
1091 2021-07-28 Martin Sebor <msebor@redhat.com>
1093 * init.c: Include new header.
1095 2021-07-27 Marek Polacek <polacek@redhat.com>
1097 DR 1512
1098 PR c++/99701
1099 * cp-gimplify.c (cp_fold): Remove {LE,LT,GE,GT_EXPR} from
1100 a switch.
1101 * typeck.c (cp_build_binary_op): Reject ordered comparison
1102 of two null pointers.
1104 2021-07-26 Jakub Jelinek <jakub@redhat.com>
1106 * parser.h (struct cp_lexer): Add orphan_p member.
1107 * parser.c (cp_parser_statement): Don't change in_omp_attribute_pragma
1108 upon restart from CPP_PRAGMA handling. Fix up condition when a lexer
1109 should be destroyed and adjust saved_tokens if it records tokens from
1110 the to be destroyed lexer.
1111 (cp_parser_omp_section_scan): New function.
1112 (cp_parser_omp_scan_loop_body): Use it. If
1113 parser->lexer->in_omp_attribute_pragma, allow optional comma
1114 after scan.
1115 (cp_parser_omp_sections_scope): Use cp_parser_omp_section_scan.
1117 2021-07-23 Jakub Jelinek <jakub@redhat.com>
1119 * parser.h (struct cp_parser): Add omp_attrs_forbidden_p member.
1120 * parser.c (cp_parser_handle_statement_omp_attributes): Diagnose
1121 mixing of attribute and pragma syntax directives when seeing
1122 omp::directive if parser->omp_attrs_forbidden_p or if attribute syntax
1123 directives are followed by OpenMP pragma.
1124 (cp_parser_statement): Clear parser->omp_attrs_forbidden_p after
1125 the cp_parser_handle_statement_omp_attributes call.
1126 (cp_parser_omp_structured_block): Add disallow_omp_attrs argument,
1127 if true, set parser->omp_attrs_forbidden_p.
1128 (cp_parser_omp_scan_loop_body, cp_parser_omp_sections_scope): Pass
1129 false as disallow_omp_attrs to cp_parser_omp_structured_block.
1130 (cp_parser_omp_parallel, cp_parser_omp_task): Set
1131 parser->omp_attrs_forbidden_p.
1133 2021-07-21 Thomas Schwinge <thomas@codesourcery.com>
1134 Joseph Myers <joseph@codesourcery.com>
1135 Cesar Philippidis <cesar@codesourcery.com>
1137 * parser.c (cp_parser_omp_clause_name): Handle 'nohost'.
1138 (cp_parser_oacc_all_clauses): Handle 'PRAGMA_OACC_CLAUSE_NOHOST'.
1139 (OACC_ROUTINE_CLAUSE_MASK): Add 'PRAGMA_OACC_CLAUSE_NOHOST'.
1140 * pt.c (tsubst_omp_clauses): Handle 'OMP_CLAUSE_NOHOST'.
1141 * semantics.c (finish_omp_clauses): Likewise.
1143 2021-07-21 Jakub Jelinek <jakub@redhat.com>
1145 PR c++/101516
1146 * semantics.c (finish_omp_reduction_clause): Also call
1147 complete_type_or_else and return true if it fails.
1149 2021-07-19 Iain Sandoe <iain@sandoe.co.uk>
1151 PR c++/95520
1152 * coroutines.cc (struct coroutine_info): Add fields for
1153 actor and destroy function decls.
1154 (to_ramp): New.
1155 (coro_get_ramp_function): New.
1156 (coro_get_actor_function): New.
1157 (coro_get_destroy_function): New.
1158 (act_des_fn): Set up mapping between ramp, actor and
1159 destroy functions.
1160 (morph_fn_to_coro): Adjust interface to the builder for
1161 helper function decls.
1162 * cp-tree.h (DECL_ACTOR_FN, DECL_DESTROY_FN, DECL_RAMP_FN,
1163 JOIN_STR): New.
1164 * mangle.c (write_encoding): Handle coroutine helpers.
1165 (write_unqualified_name): Handle lambda coroutine helpers.
1167 2021-07-16 Patrick Palka <ppalka@redhat.com>
1169 PR c++/101233
1170 * pt.c (alias_ctad_tweaks): Clear cp_unevaluated_operand for
1171 substituting DECL_ARGUMENTS.
1173 2021-07-16 Patrick Palka <ppalka@redhat.com>
1175 DR 960
1176 PR c++/99664
1177 * search.c (check_final_overrider): Compare TYPE_REF_IS_RVALUE
1178 when the return types are references.
1180 2021-07-16 Marek Polacek <polacek@redhat.com>
1182 * typeck2.c (check_narrowing): Don't suppress the pedantic error
1183 in system headers.
1185 2021-07-15 Jakub Jelinek <jakub@redhat.com>
1187 PR c++/101443
1188 * cp-gimplify.c (cp_fold): For comparisons with NULLPTR_TYPE
1189 operands, fold them right away to true or false.
1191 2021-07-15 Jason Merrill <jason@redhat.com>
1193 PR c++/101095
1194 * cp-objcp-common.c (cp_common_init_ts): Mark types as types.
1195 (cp_tree_size): Remove redundant entries.
1197 2021-07-14 Patrick Palka <ppalka@redhat.com>
1199 PR c++/88252
1200 * cp-tree.h (TEMPLATE_TYPE_PARM_FOR_CLASS): Remove.
1201 * pt.c (push_template_decl): Remove TEMPLATE_TYPE_PARM_FOR_CLASS
1202 handling.
1203 (redeclare_class_template): Likewise.
1204 (forwarding_reference_p): Define.
1205 (maybe_adjust_types_for_deduction): Use it instead. Add 'tparms'
1206 parameter.
1207 (unify_one_argument): Pass tparms to
1208 maybe_adjust_types_for_deduction.
1209 (try_one_overload): Likewise.
1210 (unify): Likewise.
1211 (rewrite_template_parm): Remove TEMPLATE_TYPE_PARM_FOR_CLASS
1212 handling.
1214 2021-07-14 Jason Merrill <jason@redhat.com>
1216 * class.c (struct find_final_overrider_data): Use auto_vec.
1217 (find_final_overrider): Remove explicit release.
1218 * coroutines.cc (process_conditional): Use auto_vec.
1219 * cp-gimplify.c (struct cp_genericize_data): Use auto_vec.
1220 (cp_genericize_tree): Remove explicit release.
1221 * parser.c (cp_parser_objc_at_property_declaration): Use
1222 auto_delete_vec.
1223 * semantics.c (omp_reduction_lookup): Use auto_vec.
1225 2021-07-14 Marek Polacek <polacek@redhat.com>
1227 PR c++/101371
1228 * constexpr.c (cxx_eval_array_reference): Create a new .object
1229 and .ctor for the non-aggregate non-scalar case too when
1230 value-initializing.
1232 2021-07-12 Patrick Palka <ppalka@redhat.com>
1234 PR c++/79501
1235 PR c++/100983
1236 * decl.c (grokfndecl): Don't require that deduction guides are
1237 declared at namespace scope. Check that class-scope deduction
1238 guides have the same access as the member class template.
1239 (grokdeclarator): Pretend class-scope deduction guides are static.
1240 * search.c (lookup_member): Don't use a BASELINK for (class-scope)
1241 deduction guides.
1243 2021-07-10 Patrick Palka <ppalka@redhat.com>
1245 PR c++/82110
1246 * init.c (build_aggr_init): Return error_mark_node if
1247 expand_aggr_init_1 returns false.
1248 (expand_default_init): Change return type to bool. Return false
1249 on error, true on success.
1250 (expand_aggr_init_1): Likewise.
1252 2021-07-09 Jason Merrill <jason@redhat.com>
1254 PR c++/101098
1255 * decl.c (function_requirements_equivalent_p): Only compare
1256 trailing requirements on a specialization.
1258 2021-07-09 Iain Sandoe <iain@sandoe.co.uk>
1260 * coroutines.cc (build_actor_fn): Move common code to
1261 act_des_fn.
1262 (build_destroy_fn): Likewise.
1263 (act_des_fn): Build the void return here. Ensure that the
1264 source location matches the original function.
1266 2021-07-09 Iain Sandoe <iain@sandoe.co.uk>
1268 * coroutines.cc
1269 (coro_rewrite_function_body): Connect the replacement
1270 function block to the block nest correctly.
1272 2021-07-09 Patrick Palka <ppalka@redhat.com>
1274 PR c++/101181
1275 * constraint.cc (tsubst_requires_expr): Pass complain/in_decl to
1276 add_extra_args.
1277 * cp-tree.h (add_extra_args): Add complain/in_decl parameters.
1278 * pt.c (build_extra_args): Make a copy of args.
1279 (add_extra_args): Add complain/in_decl parameters. Enable the
1280 code for handling the case where the extra arguments are
1281 dependent.
1282 (tsubst_pack_expansion): Pass complain/in_decl to
1283 add_extra_args.
1284 (tsubst_template_args): Handle missing template arguments.
1285 (tsubst_expr) <case IF_STMT>: Pass complain/in_decl to
1286 add_extra_args.
1288 2021-07-09 Patrick Palka <ppalka@redhat.com>
1290 PR c++/101247
1291 * pt.c (any_template_parm_r) <case TEMPLATE_DECL>: Just walk the
1292 DECL_CONTEXT.
1294 2021-07-08 Martin Sebor <msebor@redhat.com>
1296 PR bootstrap/101372
1297 * module.cc (identifier): Suppress warning.
1298 (module_state::read_macro_maps): Remove warning suppression.
1299 (module_state::install_macros): Ditto.
1301 2021-07-08 Marek Polacek <polacek@redhat.com>
1303 PR c++/101087
1304 * cp-tree.h (unevaluated_p): New.
1305 * except.c (check_noexcept_r): Use it. Don't walk into
1306 unevaluated operands.
1308 2021-07-08 Martin Sebor <msebor@redhat.com>
1310 PR bootstrap/101374
1311 * module.cc (module_state::read_macro_maps): Temporarily disable
1312 -Warray-bounds.
1313 (module_state::install_macros): Same.
1315 2021-07-06 Martin Sebor <msebor@redhat.com>
1317 * error.c (cp_printer): Remove support for %G and %K.
1319 2021-07-02 Jakub Jelinek <jakub@redhat.com>
1321 * parser.h (struct cp_lexer): Add in_omp_attribute_pragma member.
1322 (struct cp_omp_declare_simd_data): Likewise.
1323 * cp-tree.h (enum cp_tree_index): Add CPTI_OMP_IDENTIFIER.
1324 (omp_identifier): Define.
1325 * parser.c (cp_parser_skip_to_pragma_eol): Handle
1326 in_omp_attribute_pragma CPP_PRAGMA_EOL followed by CPP_EOF.
1327 (cp_parser_require_pragma_eol): Likewise.
1328 (struct cp_omp_attribute_data): New type.
1329 (cp_parser_handle_statement_omp_attributes): New function.
1330 (cp_parser_statement): Handle OpenMP directives in statement's
1331 attribute-specifier-seq.
1332 (cp_parser_omp_directive_args, cp_parser_omp_sequence_args): New
1333 functions.
1334 (cp_parser_std_attribute): Handle omp::directive and omp::sequence
1335 attributes.
1336 (cp_parser_omp_all_clauses): If in_omp_attribute_pragma, allow
1337 a comma also before the first clause.
1338 (cp_parser_omp_allocate): Likewise.
1339 (cp_parser_omp_atomic): Likewise.
1340 (cp_parser_omp_depobj): Likewise.
1341 (cp_parser_omp_flush): Likewise.
1342 (cp_parser_omp_ordered): Likewise.
1343 (cp_parser_omp_declare_simd): Save in_omp_attribute_pragma
1344 into struct cp_omp_declare_simd_data.
1345 (cp_finish_omp_declare_variant): Add in_omp_attribute_pragma
1346 argument. If set, allow a comma also before match clause.
1347 (cp_parser_late_parsing_omp_declare_simd): If in_omp_attribute_pragma,
1348 allow a comma also before the first clause. Adjust
1349 cp_finish_omp_declare_variant caller.
1350 (cp_parser_omp_declare_target): If in_omp_attribute_pragma, allow
1351 a comma also before the first clause.
1352 (cp_parser_omp_declare_reduction_exprs): Likewise.
1353 (cp_parser_omp_requires): Likewise.
1354 * decl.c (initialize_predefined_identifiers): Initialize
1355 omp_identifier.
1356 * decl2.c (cplus_decl_attributes): Reject omp::directive and
1357 omp::sequence attributes.
1359 2021-07-02 Jakub Jelinek <jakub@redhat.com>
1361 PR c/101297
1362 * parser.c (cp_parser_omp_atomic): Consume comma only if it
1363 appears before a CPP_NAME.
1365 2021-07-02 Patrick Palka <ppalka@redhat.com>
1367 PR c++/101247
1368 * pt.c (any_template_parm_r) <case TEMPLATE_DECL>: Rewrite to
1369 use common_enclosing_class and to not depend on the TREE_TYPE
1370 of outer levels pointing to the corresponding primary template.
1372 2021-07-01 Patrick Palka <ppalka@redhat.com>
1374 PR c++/101194
1375 * constexpr.c (cxx_eval_array_reference): When the element type
1376 is an empty type and the corresponding element is omitted, just
1377 return an empty CONSTRUCTOR instead of attempting value
1378 initialization.
1380 2021-07-01 Patrick Palka <ppalka@redhat.com>
1382 PR c++/96204
1383 * pt.c (finish_template_variable): Pass the partially
1384 instantiated template and its args to instantiate_template.
1385 (instantiate_class_template_1): No need to call
1386 push_nested_class and pop_nested_class around the call to
1387 most_specialized_partial_spec.
1388 (instantiate_template_1): Pass the partially instantiated
1389 template to lookup_template_variable.
1390 (most_specialized_partial_spec): Use push_access_scope_guard
1391 to set the access scope appropriately. Use
1392 deferring_access_check_sentinel to force access to get checked
1393 immediately.
1394 (instantiate_decl): Just pass the VAR_DECL to
1395 most_specialized_partial_spec.
1397 2021-06-30 Patrick Palka <ppalka@redhat.com>
1399 * constraint.cc (get_normalized_constraints_from_decl): Use
1400 push_access_scope_guard instead of push_nested_class_guard.
1401 * cp-tree.h (struct push_nested_class_guard): Replace with ...
1402 (struct push_access_scope_guard): ... this.
1403 * pt.c (push_access_scope): When the argument corresponds to
1404 a class type, push the class instead of its context.
1405 (pop_access_scope): Adjust accordingly.
1407 2021-06-30 Marek Polacek <polacek@redhat.com>
1409 PR c++/100975
1410 DR 2397
1411 * decl.c (create_array_type_for_decl): Allow array of auto.
1413 2021-06-29 Jason Merrill <jason@redhat.com>
1415 * pt.c (instantiate_decl): Only consider partial specializations of
1416 actual variable templates.
1418 2021-06-26 Patrick Palka <ppalka@redhat.com>
1420 PR c++/96204
1421 * pt.c (instantiate_class_template_1): Enter the scope of the
1422 type when calling most_specialized_partial_spec.
1424 2021-06-26 Jason Merrill <jason@redhat.com>
1426 PR c++/101040
1427 PR c++/97566
1428 * class.c (is_empty_field): Handle null argument.
1429 * constexpr.c (cxx_eval_bare_aggregate): Discard initializer
1430 for empty field.
1432 2021-06-26 Marek Polacek <polacek@redhat.com>
1434 PR c++/100752
1435 * parser.c (cp_parser_declarator): Pass flags down to
1436 cp_parser_declarator. Also pass static_p/member_p.
1438 2021-06-25 Martin Sebor <msebor@redhat.com>
1440 * call.c (build_over_call): Replace direct uses of TREE_NO_WARNING
1441 with warning_suppressed_p, suppress_warning, and copy_no_warning, or
1442 nothing if not necessary.
1443 (set_up_extended_ref_temp): Same.
1444 * class.c (layout_class_type): Same.
1445 * constraint.cc (constraint_satisfaction_value): Same.
1446 * coroutines.cc (finish_co_await_expr): Same.
1447 (finish_co_yield_expr): Same.
1448 (finish_co_return_stmt): Same.
1449 (build_actor_fn): Same.
1450 (coro_rewrite_function_body): Same.
1451 (morph_fn_to_coro): Same.
1452 * cp-gimplify.c (genericize_eh_spec_block): Same.
1453 (gimplify_expr_stmt): Same.
1454 (cp_genericize_r): Same.
1455 (cp_fold): Same.
1456 * cp-ubsan.c (cp_ubsan_instrument_vptr): Same.
1457 * cvt.c (cp_fold_convert): Same.
1458 (convert_to_void): Same.
1459 * decl.c (wrapup_namespace_globals): Same.
1460 (grokdeclarator): Same.
1461 (finish_function): Same.
1462 (require_deduced_type): Same.
1463 * decl2.c (no_linkage_error): Same.
1464 (c_parse_final_cleanups): Same.
1465 * except.c (expand_end_catch_block): Same.
1466 * init.c (build_new_1): Same.
1467 (build_new): Same.
1468 (build_vec_delete_1): Same.
1469 (build_vec_init): Same.
1470 (build_delete): Same.
1471 * method.c (defaultable_fn_check): Same.
1472 * parser.c (cp_parser_fold_expression): Same.
1473 (cp_parser_primary_expression): Same.
1474 * pt.c (push_tinst_level_loc): Same.
1475 (tsubst_copy): Same.
1476 (tsubst_omp_udr): Same.
1477 (tsubst_copy_and_build): Same.
1478 * rtti.c (build_if_nonnull): Same.
1479 * semantics.c (maybe_convert_cond): Same.
1480 (finish_return_stmt): Same.
1481 (finish_parenthesized_expr): Same.
1482 (cp_check_omp_declare_reduction): Same.
1483 * tree.c (build_cplus_array_type): Same.
1484 * typeck.c (build_ptrmemfunc_access_expr): Same.
1485 (cp_build_indirect_ref_1): Same.
1486 (cp_build_function_call_vec): Same.
1487 (warn_for_null_address): Same.
1488 (cp_build_binary_op): Same.
1489 (unary_complex_lvalue): Same.
1490 (cp_build_modify_expr): Same.
1491 (build_x_modify_expr): Same.
1492 (convert_for_assignment): Same.
1494 2021-06-24 Patrick Palka <ppalka@redhat.com>
1496 PR c++/98832
1497 * pt.c (maybe_aggr_guide): Handle alias templates appropriately.
1499 2021-06-24 Patrick Palka <ppalka@redhat.com>
1501 PR c++/101182
1502 * constraint.cc (evaluate_requires_expr): Adjust function comment.
1503 * cp-gimplify.c (cp_genericize_r) <case REQUIRES_EXPR>: Move to ...
1504 (cp_fold) <case REQUIRES_EXPR>: ... here.
1506 2021-06-24 Jakub Jelinek <jakub@redhat.com>
1508 * parser.c (cp_omp_split_clauses): Pass C_ORT_OMP_TARGET instead of
1509 C_ORT_OMP for clauses on target construct.
1510 (OMP_TARGET_CLAUSE_MASK): Add in_reduction clause.
1511 (cp_parser_omp_target): For non-combined target add
1512 map (always, tofrom:) clauses for OMP_CLAUSE_IN_REDUCTION. Pass
1513 C_ORT_OMP_TARGET to finish_omp_clauses.
1514 * semantics.c (handle_omp_array_sections_1): Adjust ort handling
1515 for addition of C_ORT_OMP_TARGET and simplify, mapping clauses are
1516 never present on C_ORT_*DECLARE_SIMD.
1517 (handle_omp_array_sections): Likewise.
1518 (finish_omp_clauses): Likewise. Handle OMP_CLAUSE_IN_REDUCTION
1519 on C_ORT_OMP_TARGET, set OMP_CLAUSE_MAP_IN_REDUCTION on
1520 corresponding map clauses.
1521 * pt.c (tsubst_expr): Pass C_ORT_OMP_TARGET instead of C_ORT_OMP for
1522 clauses on target construct.
1524 2021-06-23 Patrick Palka <ppalka@redhat.com>
1526 PR c++/101174
1527 * pt.c (push_access_scope): For artificial deduction guides,
1528 set the access scope to that of the constructor.
1529 (pop_access_scope): Likewise.
1530 (build_deduction_guide): Don't set DECL_CONTEXT on the guide.
1532 2021-06-23 Patrick Palka <ppalka@redhat.com>
1534 PR c++/86439
1535 * call.c (print_error_for_call_failure): Constify 'args' parameter.
1536 (perform_dguide_overload_resolution): Define.
1537 * cp-tree.h: (perform_dguide_overload_resolution): Declare.
1538 * pt.c (do_class_deduction): Use perform_dguide_overload_resolution
1539 instead of build_new_function_call. Don't use tf_decltype or
1540 set cp_unevaluated_operand. Remove unnecessary NULL_TREE tests.
1542 2021-06-21 Patrick Palka <ppalka@redhat.com>
1544 PR c++/67302
1545 * typeck.c (check_return_expr): Call maybe_undo_parenthesized_ref
1546 sooner, before the NRVO handling.
1548 2021-06-21 Patrick Palka <ppalka@redhat.com>
1550 PR c++/80431
1551 * tree.c (bot_replace): Use convert_to_base to build the
1552 conversion to the (morally) virtual base.
1554 2021-06-21 Jakub Jelinek <jakub@redhat.com>
1556 PR inline-asm/100785
1557 * typeck.c (cxx_mark_addressable): Diagnose trying to make
1558 bit-fields addressable.
1560 2021-06-17 Jason Merrill <jason@redhat.com>
1562 PR c++/101106
1563 * decl.c (duplicate_decls): Make 'deleted after first declaration'
1564 pedwarn on by default.
1566 2021-06-17 Jason Merrill <jason@redhat.com>
1568 PR c++/101029
1569 * init.c (build_vec_init): Preserve the type of base.
1571 2021-06-16 Jason Merrill <jason@redhat.com>
1573 PR c++/101078
1574 PR c++/91706
1575 * pt.c (tsubst_baselink): Update binfos in non-dependent case.
1577 2021-06-15 Robin Dapp <rdapp@linux.ibm.com>
1579 * decl.c (duplicate_decls): Likewise.
1581 2021-06-14 Tobias Burnus <tobias@codesourcery.com>
1583 PR c/100913
1584 * parser.c (cp_parser_omp_clause_affinity): No need to set iterator
1585 var in the error case.
1587 2021-06-13 Trevor Saunders <tbsaunde@tbsaunde.org>
1589 * constexpr.c (cxx_eval_call_expression): Iterate over vec<>
1590 with range based for.
1591 (cxx_eval_store_expression): Likewise.
1592 (cxx_eval_loop_expr): Likewise.
1593 * decl.c (wrapup_namespace_globals): Likewise.
1594 (cp_finish_decl): Likewise.
1595 (cxx_simulate_enum_decl): Likewise.
1596 * parser.c (cp_parser_postfix_expression): Likewise.
1598 2021-06-12 Jason Merrill <jason@redhat.com>
1600 PR c++/101029
1601 * init.c (build_vec_init): Shortcut [0] case.
1603 2021-06-12 Jason Merrill <jason@redhat.com>
1605 * pt.c (lookup_template_class_1): Shortcut current_class_type.
1607 2021-06-11 Patrick Palka <ppalka@redhat.com>
1609 DR 1227
1610 PR c++/96560
1611 * pt.c (tsubst_arg_types): Rearrange so that we substitute into
1612 TYPE_ARG_TYPES in forward order while short circuiting
1613 appropriately. Adjust formatting.
1615 2021-06-11 Jakub Jelinek <jakub@redhat.com>
1617 PR c++/100974
1618 * cp-tree.h (struct saved_scope): Add consteval_if_p
1619 member. Formatting fix for the discarded_stmt comment.
1620 (in_consteval_if_p, IF_STMT_CONSTEVAL_P): Define.
1621 * parser.c (cp_parser_lambda_expression): Temporarily disable
1622 in_consteval_if_p when parsing lambda body.
1623 (cp_parser_selection_statement): Parse consteval if.
1624 * decl.c (struct named_label_entry): Add in_consteval_if member.
1625 (level_for_consteval_if): New function.
1626 (poplevel_named_label_1, check_previous_goto_1, check_goto): Handle
1627 consteval if.
1628 * constexpr.c (cxx_eval_builtin_function_call): Clarify in comment
1629 why CP_BUILT_IN_IS_CONSTANT_EVALUATED needs to *non_constant_p
1630 for !ctx->manifestly_const_eval.
1631 (cxx_eval_conditional_expression): For IF_STMT_CONSTEVAL_P evaluate
1632 condition as if it was __builtin_is_constant_evaluated call.
1633 (potential_constant_expression_1): For IF_STMT_CONSTEVAL_P always
1634 recurse on both branches.
1635 * cp-gimplify.c (genericize_if_stmt): Genericize IF_STMT_CONSTEVAL_P
1636 as the else branch.
1637 * pt.c (tsubst_expr) <case IF_STMT>: Copy IF_STMT_CONSTEVAL_P.
1638 Temporarily set in_consteval_if_p when recursing on
1639 IF_STMT_CONSTEVAL_P then branch.
1640 (tsubst_lambda_expr): Temporarily disable
1641 in_consteval_if_p when instantiating lambda body.
1642 * call.c (immediate_invocation_p): Return false when
1643 in_consteval_if_p.
1645 2021-06-11 Marek Polacek <polacek@redhat.com>
1647 PR c++/100995
1648 * constexpr.c (maybe_constexpr_fn): New.
1649 * cp-tree.h (maybe_constexpr_fn): Declare.
1650 * semantics.c (find_std_constant_evaluated_r): New.
1651 (maybe_warn_for_constant_evaluated): New.
1652 (finish_if_stmt_cond): Call it.
1654 2021-06-10 Patrick Palka <ppalka@redhat.com>
1656 PR c++/67829
1657 * pt.c (unify) <case BOUND_TEMPLATE_TEMPLATE_PARM>: When
1658 the TEMPLATE_DECL of a BOUND_TEMPLATE_TEMPLATE_PARM argument is
1659 a template template parameter, adjust to the
1660 TEMPLATE_TEMPLATE_PARAMETER before falling through.
1662 2021-06-10 Patrick Palka <ppalka@redhat.com>
1664 PR c++/100946
1665 * constraint.cc (normalize_placeholder_type_constraints): When
1666 normalizing a non-templated return-type-requirement, add a dummy
1667 level to initial_parms.
1669 2021-06-08 Marek Polacek <polacek@redhat.com>
1671 PR c++/100065
1672 * decl.c (grokdeclarator): Store a value-dependent
1673 explicit-specifier even for deduction guides.
1675 2021-06-08 Jason Merrill <jason@redhat.com>
1677 * parser.c (cp_parser_string_literal): Adjust diagnostic.
1679 2021-06-08 Jason Merrill <jason@redhat.com>
1681 PR c++/100963
1682 * call.c (perfect_conversion_p): Check check_narrowing.
1684 2021-06-08 Jason Merrill <jason@redhat.com>
1686 PR c++/91706
1687 * name-lookup.c (get_class_binding): Keep a BASELINK.
1688 (set_inherited_value_binding_p): Adjust.
1689 * lambda.c (is_lambda_ignored_entity): Adjust.
1690 * pt.c (lookup_template_function): Copy a BASELINK before
1691 modifying it.
1693 2021-06-08 Jason Merrill <jason@redhat.com>
1695 PR c++/91706
1696 * semantics.c (baselink_for_fns): Fix BASELINK_BINFO.
1698 2021-06-08 Jason Merrill <jason@redhat.com>
1700 * module.cc (duplicate_hash::hash): Comment out.
1701 (trees_in::tree_value): Adjust loop counter.
1703 2021-06-08 Jason Merrill <jason@redhat.com>
1705 PR c++/100102
1706 * init.c (build_offset_ref): Return the BASELINK for a static
1707 member function.
1709 2021-06-07 Patrick Palka <ppalka@redhat.com>
1711 PR c++/100918
1712 * parser.c (cp_parser_lookup_name): Check access of the lookup
1713 result before we potentially adjust an injected-class-name to
1714 its TEMPLATE_DECL.
1716 2021-06-06 Jakub Jelinek <jakub@redhat.com>
1718 PR c/100902
1719 * parser.c (cp_parser_omp_target): Call c_omp_adjust_map_clauses
1720 even when target is combined with other constructs.
1722 2021-06-04 Patrick Palka <ppalka@redhat.com>
1724 PR c++/100893
1725 * pt.c (convert_template_argument): Strip top-level cv-quals
1726 on the substituted type of a non-type template parameter.
1728 2021-06-04 Patrick Palka <ppalka@redhat.com>
1730 PR c++/100102
1731 * pt.c (tsubst_function_decl): Remove old code for reducing
1732 args when it has excess levels.
1734 2021-06-04 Jakub Jelinek <jakub@redhat.com>
1736 PR c++/100872
1737 * name-lookup.c (maybe_save_operator_binding): Add op_attr after all
1738 ATTR_IS_DEPENDENT attributes in the DECL_ATTRIBUTES list rather than
1739 to the start.
1741 2021-06-03 Patrick Palka <ppalka@redhat.com>
1743 PR c++/100592
1744 * decl.c (make_typename_type): After calling
1745 lookup_template_class, adjust the result to its TYPE_NAME and
1746 then consider the tf_keep_type_decl flag.
1748 2021-06-03 Patrick Palka <ppalka@redhat.com>
1750 PR c++/100862
1751 * pt.c (set_current_access_from_decl): Move to ...
1752 * class.c (set_current_access_from_decl): ... here.
1753 (handle_using_decl): Use it to propagate the access of the
1754 using-enum decl to the copy of the imported enumerator.
1755 * cp-tree.h (set_current_access_from_decl): Declare.
1756 * decl.c (build_enumerator): Simplify using make_temp_override
1757 and set_current_access_from_decl.
1759 2021-06-03 Jakub Jelinek <jakub@redhat.com>
1761 PR c++/100859
1762 * semantics.c (handle_omp_array_sections_1): For
1763 OMP_CLAUSE_{AFFINITY,DEPEND} handle FIELD_DECL base using
1764 finish_non_static_data_member and allow this as base.
1765 (finish_omp_clauses): Move OMP_CLAUSE_AFFINITY
1766 after depend only cases. Let this be diagnosed by !lvalue_p
1767 case for OMP_CLAUSE_{AFFINITY,DEPEND} and remove useless
1768 assert.
1769 * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_AFFINITY.
1771 2021-06-02 Jason Merrill <jason@redhat.com>
1773 PR c++/100838
1774 * call.c (convert_like_internal): Clear tf_no_cleanup when
1775 recursing.
1776 (build_user_type_conversion_1): Only add ck_rvalue if
1777 LOOKUP_ONLYCONVERTING.
1779 2021-06-01 Patrick Palka <ppalka@redhat.com>
1781 PR c++/65816
1782 * init.c (expand_aggr_init_1): Check
1783 type_has_non_user_provided_default_constructor instead of
1784 type_has_user_provided_constructor.
1786 2021-06-01 Jason Merrill <jason@redhat.com>
1788 PR c++/91859
1789 * call.c (build_op_delete_call): Don't set CALL_FROM_NEW_OR_DELETE_P
1790 for destroying delete.
1791 * init.c (build_delete): Don't clobber before destroying delete.
1793 2021-06-01 Jason Merrill <jason@redhat.com>
1795 PR c++/94492
1796 * decl2.c (cp_warn_deprecated_use): Check warning_enabled_at.
1798 2021-05-31 Richard Biener <rguenther@suse.de>
1800 PR c++/88601
1801 * cp-objcp-common.c (names_builtin_p): Handle
1802 RID_BUILTIN_SHUFFLEVECTOR.
1803 * cp-tree.h (build_x_shufflevector): Declare.
1804 * parser.c (cp_parser_postfix_expression): Handle
1805 RID_BUILTIN_SHUFFLEVECTOR.
1806 * pt.c (tsubst_copy_and_build): Handle IFN_SHUFFLEVECTOR.
1807 * typeck.c (build_x_shufflevector): Build either a lowered
1808 VEC_PERM_EXPR or an unlowered shufflevector via a temporary
1809 internal function IFN_SHUFFLEVECTOR.
1811 2021-05-28 Jason Merrill <jason@redhat.com>
1813 * constexpr.c (build_data_member_initialization): Use tsi_range.
1814 (build_constexpr_constructor_member_initializers): Likewise.
1815 (constexpr_fn_retval, cxx_eval_statement_list): Likewise.
1816 (potential_constant_expression_1): Likewise.
1817 * coroutines.cc (await_statement_expander): Likewise.
1818 (await_statement_walker): Likewise.
1819 * module.cc (trees_out::core_vals): Likewise.
1820 * pt.c (tsubst_expr): Likewise.
1821 * semantics.c (set_cleanup_locs): Likewise.
1823 2021-05-28 Jason Merrill <jason@redhat.com>
1825 PR c++/100797
1826 PR c++/95719
1827 * call.c (build_over_call): Adjust base_binfo in
1828 resolves_to_fixed_type_p case.
1830 2021-05-28 Jakub Jelinek <jakub@redhat.com>
1832 PR middle-end/99928
1833 * semantics.c (handle_omp_array_sections): Copy
1834 OMP_CLAUSE_MAP_IMPLICIT.
1835 (finish_omp_clauses): Move not just OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT
1836 marked clauses last, but also OMP_CLAUSE_MAP_IMPLICIT. Add
1837 map_firstprivate_head bitmap, set it for GOMP_MAP_FIRSTPRIVATE_POINTER
1838 maps and silently remove OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT if it is
1839 present too. For OMP_CLAUSE_MAP_IMPLICIT silently remove the clause
1840 if present in map_head, map_field_head or map_firstprivate_head
1841 bitmaps.
1843 2021-05-28 Tobias Burnus <tobias@codesourcery.com>
1845 * parser.c (cp_parser_omp_clause_affinity): New.
1846 (cp_parser_omp_clause_name, cp_parser_omp_var_list_no_open,
1847 cp_parser_omp_all_clauses, OMP_TASK_CLAUSE_MASK): Handle affinity
1848 clause.
1849 * semantics.c (handle_omp_array_sections_1, handle_omp_array_sections,
1850 finish_omp_clauses): Likewise.
1852 2021-05-27 Matthias Kretz <kretz@kde.org>
1854 PR c++/100716
1855 * error.c (dump_template_bindings): Include code to print
1856 "[with" and ']', conditional on whether anything is printed at
1857 all. This is tied to whether a semicolon is needed to separate
1858 multiple template parameters. If the template argument repeats
1859 the template parameter (T = T), then skip the parameter.
1860 (dump_substitution): Moved code to print "[with" and ']' to
1861 dump_template_bindings.
1862 (dump_function_decl): Partial revert of PR50828, which masked
1863 TFF_TEMPLATE_NAME for all of dump_function_decl. Now
1864 TFF_TEMPLATE_NAME is masked for the scope of the function and
1865 only carries through to dump_function_name.
1866 (dump_function_name): Avoid calling dump_template_parms if
1867 TFF_TEMPLATE_NAME is set.
1869 2021-05-27 Matthias Kretz <kretz@kde.org>
1871 PR c++/100763
1872 * error.c: Call dump_scope when printing a typedef.
1874 2021-05-27 Patrick Palka <ppalka@redhat.com>
1876 PR c++/99893
1877 * tree.c (cp_walk_subtrees) <case STATIC_ASSERT>: New case.
1879 2021-05-27 Jason Merrill <jason@redhat.com>
1881 PR c++/86355
1882 * pt.c (use_pack_expansion_extra_args_p): Don't compare
1883 args from the same argument pack.
1885 2021-05-27 Patrick Palka <ppalka@redhat.com>
1887 DR 1315
1888 PR c++/67593
1889 PR c++/96555
1890 * pt.c (process_partial_specialization): Don't error on a
1891 non-simple non-type template argument that involves template
1892 parameters.
1893 (for_each_template_parm_r): Don't walk TRAIT_EXPR, PLUS_EXPR,
1894 MULT_EXPR, or SCOPE_REF when include_nondeduced_p is false.
1896 2021-05-26 Patrick Palka <ppalka@redhat.com>
1898 PR c++/100502
1899 * typeck.c (finish_class_member_access_expr): Disable ahead
1900 of time access checking during the member lookup.
1902 2021-05-26 Patrick Palka <ppalka@redhat.com>
1904 PR c++/100368
1905 * tree.c (build_target_expr_with_type): Don't call force_rvalue
1906 on CALL_EXPR initializer. Simplify now that bot_manip is no
1907 longer a caller.
1908 (bot_manip): Use force_target_expr instead of
1909 build_target_expr_with_type.
1911 2021-05-26 Patrick Palka <ppalka@redhat.com>
1913 PR c++/97420
1914 * cvt.c (noexcept_conv_p): Remove redundant checks and simplify.
1915 (fnptr_conv_p): Don't call non_reference. Use INDIRECT_TYPE_P
1916 instead of TYPE_PTR_P.
1917 * pt.c (convert_nontype_argument_function): Look through
1918 implicit INDIRECT_REFs before calling strip_fnptr_conv.
1920 2021-05-25 Jakub Jelinek <jakub@redhat.com>
1922 PR c++/100666
1923 * call.c (convert_arg_to_ellipsis): For expressions with NULLPTR_TYPE
1924 and side-effects, temporarily disable -Wunused-result warning when
1925 building COMPOUND_EXPR.
1927 2021-05-21 Jakub Jelinek <jakub@redhat.com>
1929 PR middle-end/99928
1930 * semantics.c (finish_omp_clauses): Move firstprivate clauses with
1931 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT to the end of the chain. Don't error
1932 if a decl is mentioned both in map clause and in such firstprivate
1933 clause unless OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET is also set.
1935 2021-05-20 Jason Merrill <jason@redhat.com>
1937 * call.c (reference_binding): Check for designator.
1938 (implicit_conversion_1, build_special_member_call): Likewise.
1939 * decl.c (reshape_init_r): Likewise.
1940 * pt.c (do_class_deduction): Likewise.
1941 * typeck2.c (digest_init_r): Likewise.
1943 2021-05-20 Jason Merrill <jason@redhat.com>
1945 PR c++/100489
1946 * decl.c (reshape_init_class): Handle designator for
1947 member of anonymous aggregate here.
1948 * typeck2.c (process_init_constructor_record): Not here.
1950 2021-05-20 Jonathan Wakely <jwakely@redhat.com>
1952 * call.c (maybe_warn_array_conv): Use new warning option.
1953 * decl.c (mark_inline_variable, grokdeclarator): Likewise.
1954 * error.c (maybe_warn_cpp0x): Likewise.
1955 * parser.c (cp_parser_primary_expression)
1956 (cp_parser_unqualified_id)
1957 (cp_parser_pseudo_destructor_name)
1958 (cp_parser_lambda_introducer)
1959 (cp_parser_lambda_declarator_opt)
1960 (cp_parser_selection_statement)
1961 (cp_parser_init_statement)
1962 (cp_parser_decomposition_declaration)
1963 (cp_parser_function_specifier_opt)
1964 (cp_parser_static_assert)
1965 (cp_parser_namespace_definition)
1966 (cp_parser_using_declaration)
1967 (cp_parser_asm_definition)
1968 (cp_parser_ctor_initializer_opt_and_function_body)
1969 (cp_parser_initializer_list)
1970 (cp_parser_type_parameter_key)
1971 (cp_parser_member_declaration)
1972 (cp_parser_try_block)
1973 (cp_parser_std_attribute_spec): Likewise.
1974 * pt.c (check_template_variable): Likewise.
1976 2021-05-20 Jason Merrill <jason@redhat.com>
1978 PR c++/100634
1979 * pt.c (invalid_nontype_parm_type_p): Return true for COMPLEX_TYPE.
1981 2021-05-20 Jason Merrill <jason@redhat.com>
1983 PR c++/100659
1984 * cp-tree.h (CONST_DECL_USING_P): Check for null TREE_TYPE.
1986 2021-05-19 Jason Merrill <jason@redhat.com>
1988 PR c++/100367
1989 PR c++/96299
1990 * method.c (genericize_spaceship): Use fold_build2 for scalar
1991 operands.
1993 2021-05-19 Jason Merrill <jason@redhat.com>
1995 * pt.c (build_deduction_guide): Treat the implicit deduction guide
1996 as a member of the class.
1998 2021-05-19 Marek Polacek <polacek@redhat.com>
2000 PR c++/100596
2001 * cp-tree.h (any_non_type_attribute_p): Remove.
2002 * decl.c (grokdeclarator): Turn an error into a warning and only
2003 warn for standard attributes.
2004 * decl2.c (any_non_type_attribute_p): Remove.
2005 * parser.c (cp_parser_elaborated_type_specifier): Turn an error
2006 into a warning and only warn for standard attributes.
2007 (cp_parser_member_declaration): Likewise.
2009 2021-05-19 Martin Liska <mliska@suse.cz>
2011 PR testsuite/100658
2012 * mangle.c (write_encoding): Fix typos.
2014 2021-05-19 Jakub Jelinek <jakub@redhat.com>
2016 PR middle-end/99928
2017 * parser.c (cp_parser_omp_master): Set OMP_MASTER_COMBINED on
2018 master when combined with taskloop.
2019 (cp_parser_omp_parallel): Don't set OMP_PARALLEL_COMBINED on
2020 parallel master when not combined with taskloop.
2022 2021-05-19 Jason Merrill <jason@redhat.com>
2024 PR c++/100261
2025 * rtti.c (get_tinfo_decl_direct): Check TYPE_TRANSPARENT_AGGR.
2027 2021-05-19 Jason Merrill <jason@redhat.com>
2029 PR c++/100372
2030 * tree.c (strip_typedefs): Only look at the pattern of a
2031 TYPE_PACK_EXPANSION if it's a type.
2033 2021-05-18 Marek Polacek <polacek@redhat.com>
2035 * class.c (classtype_has_non_deleted_copy_ctor): Remove.
2036 * constraint.cc (contains_wildcard_p): Likewise.
2037 (get_template_head_requirements): Likewise.
2038 (check_constrained_friend): Likewise.
2039 (subsumes_constraints): Likewise.
2040 * cp-tree.h (classtype_has_non_deleted_copy_ctor): Likewise.
2041 (push_void_library_fn): Likewise.
2042 (get_pattern_parm): Likewise.
2043 (get_template_parms_at_level): Likewise.
2044 (lambda_return_type): Likewise.
2045 (get_template_head_requirements): Likewise.
2046 (check_constrained_friend): Likewise.
2047 (subsumes_constraints): Likewise.
2048 * decl.c (push_void_library_fn): Likewise.
2049 * lambda.c (lambda_return_type): Likewise.
2050 * pt.c (get_template_parms_at_level): Likewise.
2051 (get_pattern_parm): Likewise.
2053 2021-05-18 Jason Merrill <jason@redhat.com>
2055 PR c++/100644
2056 * call.c (perfect_candidate_p): An implicitly deleted move
2057 is not perfect.
2059 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
2061 PR c++/100281
2062 * cvt.c (cp_convert_to_pointer): Use the size of the target
2063 pointer type.
2064 * tree.c (cp_build_reference_type): Call
2065 cp_build_reference_type_for_mode with VOIDmode.
2066 (cp_build_reference_type_for_mode): Rename from
2067 cp_build_reference_type. Add MODE argument and invoke
2068 build_reference_type_for_mode.
2069 (strip_typedefs): Use build_pointer_type_for_mode and
2070 cp_build_reference_type_for_mode for pointers and references.
2072 2021-05-17 Jonathan Wakely <jwakely@redhat.com>
2074 PR c++/100635
2075 * call.c (convert_like_internal): Print different diagnostic if
2076 the lvalue reference is const.
2078 2021-05-14 Jason Merrill <jason@redhat.com>
2080 PR c++/95870
2081 * pt.c (enclosing_instantiation_of): Just compare
2082 DECL_SOURCE_LOCATION.
2083 (regenerate_decl_from_template): Copy DECL_SOURCE_LOCATION.
2085 2021-05-14 Marek Polacek <polacek@redhat.com>
2086 Jason Merrill <jason@redhat.com>
2088 PR c++/99032
2089 * cp-tree.h (any_non_type_attribute_p): Declare.
2090 * decl.c (grokdeclarator): Diagnose when an attribute appertains to
2091 a friend declaration that is not a definition.
2092 * decl2.c (any_non_type_attribute_p): New.
2093 * parser.c (cp_parser_decl_specifier_seq): Diagnose standard attributes
2094 in the middle of decl-specifiers.
2095 (cp_parser_elaborated_type_specifier): Diagnose when an attribute
2096 appertains to a friend declaration that is not a definition.
2097 (cp_parser_member_declaration): Likewise.
2099 2021-05-12 Marek Polacek <polacek@redhat.com>
2101 * pt.c (tsubst_copy_and_build): Add warn_int_in_bool_context
2102 sentinel.
2104 2021-05-12 Marcel Vollweiler <marcel@codesourcery.com>
2106 * parser.c (cp_parser_omp_clause_map): Support map-type-modifier
2107 'close'.
2109 2021-05-11 Jason Merrill <jason@redhat.com>
2111 PR c++/100517
2112 * typeck.c (build_reinterpret_cast_1): Check intype on
2113 cast to vector.
2115 2021-05-11 Patrick Palka <ppalka@redhat.com>
2117 PR c++/51577
2118 * name-lookup.c (maybe_save_operator_binding): Unconditionally
2119 enable for all function templates, not just generic lambdas.
2120 Handle compound-assignment operator expressions.
2121 * typeck.c (build_x_compound_expr): Call maybe_save_operator_binding
2122 in the type-dependent case.
2123 (build_x_modify_expr): Likewise. Move declaration of 'op' closer
2124 to its first use.
2126 2021-05-11 Patrick Palka <ppalka@redhat.com>
2128 PR c++/100138
2129 * constraint.cc (tsubst_constraint): Set up cp_unevaluated.
2130 (satisfy_atom): Set up iloc_sentinel before calling
2131 cxx_constant_value.
2132 * pt.c (tsubst_pack_expansion): When returning a rebuilt pack
2133 expansion, carry over PACK_EXPANSION_LOCAL_P and
2134 PACK_EXPANSION_SIZEOF_P from the original pack expansion.
2136 2021-05-10 Richard Biener <rguenther@suse.de>
2138 PR middle-end/100464
2139 PR c++/100468
2140 * call.c (set_up_extended_ref_temp): Mark the temporary
2141 addressable if the TARGET_EXPR was.
2143 2021-05-10 Martin Liska <mliska@suse.cz>
2145 * decl.c (duplicate_decls): Use startswith
2146 function instead of strncmp.
2147 (cxx_builtin_function): Likewise.
2148 (omp_declare_variant_finalize_one): Likewise.
2149 (grokfndecl): Likewise.
2150 * error.c (dump_decl_name): Likewise.
2151 * mangle.c (find_decomp_unqualified_name): Likewise.
2152 (write_guarded_var_name): Likewise.
2153 (decl_tls_wrapper_p): Likewise.
2154 * parser.c (cp_parser_simple_type_specifier): Likewise.
2155 (cp_parser_tx_qualifier_opt): Likewise.
2156 * pt.c (template_parm_object_p): Likewise.
2157 (dguide_name_p): Likewise.
2159 2021-05-10 Martin Liska <mliska@suse.cz>
2161 PR c++/99616
2162 * decl.c (grokdeclarator): Remove redundant NULL check.
2164 2021-05-07 Jason Merrill <jason@redhat.com>
2166 * tree.c (rvalue): Assert expr is not a class lvalue.
2168 2021-05-07 Jason Merrill <jason@redhat.com>
2170 * cp-tree.h (build_stub_object): Declare.
2171 * method.c (build_stub_object): No longer static.
2172 * call.c (can_convert): Use it.
2173 * tree.c (build_dummy_object): Adjust comment.
2174 * typeck.c (cp_build_binary_op): Wrap SPACESHIP_EXPR in a
2175 TARGET_EXPR.
2177 2021-05-07 Jason Merrill <jason@redhat.com>
2179 * coroutines.cc (build_co_await): Don't call 'rvalue'.
2180 (flatten_await_stmt): Simplify initialization.
2181 (morph_fn_to_coro): Change 'rvalue' to 'move'. Simplify.
2183 2021-05-04 Tobias Burnus <tobias@codesourcery.com>
2185 * semantics.c (finish_omp_reduction_clause): Accept float + complex
2186 for || and && reductions.
2188 2021-05-03 Patrick Palka <ppalka@redhat.com>
2190 PR c++/100362
2191 * parser.c (cp_parser_class_head): Reinstate calls to pushclass
2192 and popclass when parsing the base-clause that were removed in
2193 r11-6815.
2195 2021-05-03 Patrick Palka <ppalka@redhat.com>
2197 PR c++/68942
2198 PR c++/100344
2199 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: Set tf_conv
2200 only when the callee is a FUNCTION_DECL.
2202 2021-05-03 Marek Polacek <polacek@redhat.com>
2204 PR c++/100055
2205 * decl.c (grokfndecl): Check current_template_parms.
2207 2021-05-03 Marek Polacek <polacek@redhat.com>
2209 DR 1312
2210 * constexpr.c (cxx_eval_constant_expression): Don't check
2211 integer_zerop.
2213 2021-05-01 Jason Merrill <jason@redhat.com>
2215 * cp-tree.h (class ovl_iterator): Allow copying. Add op==.
2216 (class ovl_range, class lkp_range): New.
2217 * call.c (build_op_call_1, add_candidates): Use them.
2218 (build_op_delete_call, has_trivial_copy_assign_p): Likewise.
2219 (has_trivial_copy_p): Likewise.
2220 * class.c (handle_using_decl, get_basefndecls): Likewise.
2221 (maybe_warn_about_overly_private_class): Likewise.
2222 (warn_hidden, add_implicitly_declared_members): Likewise.
2223 (check_methods, clone_constructors_and_destructors): Likewise.
2224 (type_has_user_nondefault_constructor): Likewise.
2226 2021-04-29 Jason Merrill <jason@redhat.com>
2228 * constexpr.c (cxx_fold_indirect_ref_1): Only set *empty_base if we
2229 don't find a field.
2231 2021-04-29 Jason Merrill <jason@redhat.com>
2233 PR c++/51344
2234 * decl2.c (grokfield): Call cplus_decl_attributes for friend.
2235 (save_template_attributes): Use chainon.
2236 * friend.c (do_friend): Remove attrlist parm.
2237 * cp-tree.h (do_friend): Adjust.
2238 * class.c (add_implicitly_declared_members): Adjust.
2239 * decl.c (grokdeclarator): Adjust.
2240 * pt.c (apply_late_template_attributes): Optimize.
2242 2021-04-29 Jason Merrill <jason@redhat.com>
2244 PR c++/97974
2245 * class.c (finish_struct_anon_r): Drop complain parm.
2246 Remove non-field diagnostic.
2247 (finish_struct_anon): Adjust.
2248 * decl.c (fixup_anonymous_aggr): Move non-field diagnostic here.
2250 2021-04-29 Jason Merrill <jason@redhat.com>
2252 * cp-tree.h (cp_evaluated): Add reset parm to constructor.
2253 * parser.c (cp_parser_constant_expression): Change
2254 allow_non_constant_p to int. Use cp_evaluated.
2255 (cp_parser_initializer_clause): Pass 2 to allow_non_constant_p.
2256 * semantics.c (finish_id_expression_1): Don't mess with
2257 cp_unevaluated_operand here.
2259 2021-04-29 Jason Merrill <jason@redhat.com>
2261 * cp-tree.h: Clarify comments.
2262 * pt.c (get_template_parm_object): Add assert.
2263 * semantics.c (finish_compound_literal): Clear TREE_HAS_CONSTRUCTOR.
2264 * tree.c (zero_init_expr_p): Check TREE_HAS_CONSTRUCTOR.
2265 * typeck2.c (store_init_value): Likewise.
2267 2021-04-29 Patrick Palka <ppalka@redhat.com>
2269 PR c++/68942
2270 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: When KOENIG_P,
2271 set tf_conv during the initial substitution into the function.
2273 2021-04-29 Jakub Jelinek <jakub@redhat.com>
2275 PR c++/100319
2276 * semantics.c (finish_omp_clauses): Fix up check that variable
2277 mentioned in detach clause doesn't appear in data-sharing clauses.
2279 2021-04-28 Jakub Jelinek <jakub@redhat.com>
2281 * module.cc: Remove #error that triggers if DEV-PHASE is empty.
2283 2021-04-27 Jason Merrill <jason@redhat.com>
2285 PR c++/92145
2286 * class.c (classtype_has_depr_implicit_copy): Check DECL_CONTEXT
2287 of operator=.
2289 2021-04-27 Patrick Palka <ppalka@redhat.com>
2291 PR c++/88580
2292 * pt.c (tsubst_initializer_list): Correctly handle the case
2293 where an argument inside a base initializer pack expansion is
2294 itself a pack expansion.
2296 2021-04-26 Patrick Palka <ppalka@redhat.com>
2298 PR c++/100209
2299 * constexpr.c (cxx_fold_indirect_ref): Try to canonicalize the
2300 object/offset pair for a POINTER_PLUS_EXPR of a COMPONENT_REF
2301 with a negative offset into one whose offset is nonnegative
2302 before calling cxx_fold_indirect_ref_1.
2304 2021-04-24 Patrick Palka <ppalka@redhat.com>
2306 PR c++/89565
2307 PR c++/93383
2308 PR c++/95291
2309 PR c++/99200
2310 PR c++/99683
2311 * pt.c (do_class_deduction): Punt if the initializer is
2312 type-dependent.
2314 2021-04-24 Patrick Palka <ppalka@redhat.com>
2316 PR c++/87709
2317 * parser.c (cp_parser_type_id_1): If we see a template
2318 placeholder, first try simulating an error before issuing
2319 a real error.
2321 2021-04-23 Patrick Palka <ppalka@redhat.com>
2323 PR c++/98767
2324 * cxx-pretty-print.c (pp_cxx_parameter_declaration_clause):
2325 Adjust parameter list loop to iterate over 'types' instead of
2326 'args'. Output the trailing '...' for a variadic function.
2327 Remove PARM_DECL support.
2328 (pp_cxx_requires_expr): Pretty print the parameter list directly
2329 instead of going through pp_cxx_parameter_declaration_clause.
2331 2021-04-23 Patrick Palka <ppalka@redhat.com>
2333 DR 2374
2334 * decl.c (is_direct_enum_init): Check the implicit
2335 convertibility requirement added by CWG 2374.
2337 2021-04-23 Martin Liska <mliska@suse.cz>
2339 * cp-tree.h (STATIC_ASSERT): Prefer static assert.
2340 * lex.c (init_operators): Remove run-time check.
2342 2021-04-22 Marek Polacek <polacek@redhat.com>
2344 PR c++/100161
2345 * pt.c (tsubst_copy_and_build) <case PLUS_EXPR>: Test op0 and
2346 op1 separately for value- or type-dependence.
2348 2021-04-21 Marek Polacek <polacek@redhat.com>
2350 PR c++/96380
2351 * parser.c (cp_parser_enum_specifier): Don't allow defining
2352 types in enum-base.
2354 2021-04-21 Martin Liska <mliska@suse.cz>
2356 Revert:
2357 2021-04-21 Martin Liska <mliska@suse.cz>
2359 * error.c (dump_decl): Use flags in dump_generic_node call.
2361 2021-04-21 Martin Liska <mliska@suse.cz>
2363 * error.c (dump_decl): Use flags in dump_generic_node call.
2365 2021-04-21 Martin Liska <mliska@suse.cz>
2367 * error.c (dump_decl): Support anonymous labels.
2369 2021-04-20 Jason Merrill <jason@redhat.com>
2371 PR c++/100109
2372 * pt.c (find_parameter_packs_r): Look into enum initializers.
2374 2021-04-19 Marek Polacek <polacek@redhat.com>
2376 PR c++/97536
2377 * decl.c (grokvardecl): Given an error when a concept is not defined
2378 at namespace scope.
2380 2021-04-16 Jakub Jelinek <jakub@redhat.com>
2382 PR c++/100111
2383 * constexpr.c (cxx_eval_store_expression): Don't add CONSTRUCTORs
2384 for empty classes into *valp when types don't match even when *valp
2385 is NULL.
2387 2021-04-16 Marek Polacek <polacek@redhat.com>
2389 PR c++/99803
2390 * decl.c (make_typename_type): Give an error and return when
2391 name is is_overloaded_fn.
2392 * parser.c (cp_parser_class_name): Don't check is_overloaded_fn
2393 before calling make_typename_type.
2395 2021-04-16 Patrick Palka <ppalka@redhat.com>
2397 PR c++/99700
2398 * constexpr.c (reduced_constant_expression_p): For array
2399 CONSTRUCTORs, use a dedicated loop that additionally verifies
2400 the CONSTRUCTOR spans the entire array.
2402 2021-04-16 Jakub Jelinek <jakub@redhat.com>
2404 PR c++/99850
2405 * parser.c (cp_parser_constraint_requires_parens) <case CPP_DEREF>:
2406 If lambda_p, return pce_ok instead of pce_maybe_postfix.
2408 2021-04-16 Jakub Jelinek <jakub@redhat.com>
2410 PR c++/99833
2411 * pt.c (extract_locals_r): When handling DECL_EXPR of a structured
2412 binding, add to data.internal also all corresponding structured
2413 binding decls.
2415 2021-04-16 Jason Merrill <jason@redhat.com>
2417 PR c++/100079
2418 * cp-tree.h (first_field): Declare.
2419 * mangle.c (range_expr_nelts): New.
2420 (write_expression): Improve class NTTP mangling.
2421 * pt.c (get_template_parm_object): Clear TREE_HAS_CONSTRUCTOR.
2422 * tree.c (zero_init_expr_p): Improve class NTTP handling.
2423 * decl.c: Adjust comment.
2425 2021-04-15 Jason Merrill <jason@redhat.com>
2427 PR c++/80456
2428 * call.c (build_new_method_call_1): Check again for side-effects
2429 with a volatile object.
2431 2021-04-15 Jason Merrill <jason@redhat.com>
2433 PR c++/100101
2434 PR c++/99583
2435 * pt.c (find_parameter_packs_r) [FUNCTION_TYPE]: Walk into
2436 TYPE_RAISES_EXCEPTIONS here.
2437 * tree.c (cp_walk_subtrees): Not here.
2439 2021-04-15 Jason Merrill <jason@redhat.com>
2441 PR c++/100091
2442 PR c++/99478
2443 * parser.c (cp_parser_default_type_template_argument): Set
2444 parser->local_variables_forbidden_p.
2446 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
2448 PR c++/98852
2449 * typeck.c (merge_type_attributes_from): New function.
2450 (cp_common_type): Use it for vector types.
2452 2021-04-14 Jason Merrill <jason@redhat.com>
2454 PR c++/100078
2455 PR c++/93085
2456 * pt.c (uses_outer_template_parms): Also look at default
2457 template argument.
2459 2021-04-14 Jason Merrill <jason@redhat.com>
2461 PR c++/93314
2462 * semantics.c (finish_id_expression_1): Clear cp_unevaluated_operand
2463 for a non-static data member in a constant-expression.
2465 2021-04-14 Patrick Palka <ppalka@redhat.com>
2467 PR c++/83476
2468 PR c++/99885
2469 * pt.c (deducible_expression): Look through implicit
2470 INDIRECT_REFs as well.
2472 2021-04-14 Jason Merrill <jason@redhat.com>
2474 PR c++/99478
2475 * parser.c (cp_parser_lambda_expression): Reject lambda
2476 in template parameter type.
2478 2021-04-14 Jason Merrill <jason@redhat.com>
2480 PR c++/90674
2481 * decl.c (duplicate_decls): Don't propagate
2482 DECL_INITIALIZED_IN_CLASS_P to a specialization.
2484 2021-04-14 Jason Merrill <jason@redhat.com>
2486 PR c++/88742
2487 PR c++/49951
2488 PR c++/58123
2489 * semantics.c (set_cleanup_locs): New.
2490 (do_poplevel): Call it.
2491 * parser.c (cp_parser_compound_statement): Consume the }
2492 before finish_compound_stmt.
2494 2021-04-13 Jason Merrill <jason@redhat.com>
2496 PR c++/100032
2497 * pt.c (get_underlying_template): Compare TYPE_QUALS.
2499 2021-04-13 Jason Merrill <jason@redhat.com>
2501 PR c++/100054
2502 PR c++/90479
2503 * init.c (get_nsdmi): Do more context adjustment for local classes.
2505 2021-04-13 Patrick Palka <ppalka@redhat.com>
2507 PR c++/99008
2508 * pt.c (do_class_deduction): Reject alias CTAD in C++17 mode
2509 rather than issuing a pedwarn.
2510 * typeck2.c (build_functional_cast_1): Handle CTAD uniformly
2511 for consistent diagnostics.
2513 2021-04-13 Jason Merrill <jason@redhat.com>
2515 PR c++/91933
2516 * class.c (build_base_path): Shortcut simple non-pointer case.
2518 2021-04-13 Eric Botcazou <ebotcazou@adacore.com>
2520 * module.cc (ordinary_loc_of): Test LINEMAPS_MACRO_LOWEST_LOCATION
2521 of the linemap.
2522 (module_state::write_location): Likewise.
2524 2021-04-13 Patrick Palka <ppalka@redhat.com>
2526 PR c++/97134
2527 * pt.c (do_class_deduction): Look through EXPR_PACK_EXPANSION
2528 when checking if the initializer is an equivalent class
2529 placeholder template parameter.
2531 2021-04-13 Patrick Palka <ppalka@redhat.com>
2533 PR c++/99961
2534 PR c++/99994
2535 * constraint.cc (satisfy_normalized_constraints): Set
2536 cp_unevaluated.
2537 * parser.c (cp_parser_concept_definition): Likewise.
2538 (cp_parser_requires_clause_opt): Likewise.
2540 2021-04-12 Jason Merrill <jason@redhat.com>
2542 PR c++/93085
2543 * pt.c (uses_outer_template_parms): Handle non-type and template
2544 template parameters specifically.
2546 2021-04-11 Jason Merrill <jason@redhat.com>
2548 PR c++/97974
2549 * decl.c (fixup_anonymous_aggr): Prune all functions from
2550 CLASSTYPE_MEMBER_VEC.
2552 2021-04-10 Jason Merrill <jason@redhat.com>
2554 PR c++/98800
2555 PR c++/97399
2556 * parser.c (cp_parser_direct_declarator): Don't
2557 inject_this_parameter if static_p.
2558 (cp_parser_omp_var_list_no_open): Parse 'this' even if
2559 current_class_ptr isn't set for a better diagnostic.
2561 2021-04-10 Jason Merrill <jason@redhat.com>
2563 PR c++/99180
2564 PR c++/93295
2565 PR c++/93867
2566 PR c++/99118
2567 PR c++/96873
2568 * pt.c (alias_ctad_tweaks): Handle failure better.
2570 2021-04-10 Jason Merrill <jason@redhat.com>
2572 PR c++/100006
2573 * pt.c (find_parameter_packs_r) [TAG_DEFN]: Look into bases.
2575 2021-04-09 Patrick Palka <ppalka@redhat.com>
2577 * cp-tree.h (LAMBDA_EXPR_REGENERATED_FROM)
2578 (LAMBDA_EXPR_REGENERATING_TARGS): Replace these with ...
2579 (LAMBDA_EXPR_REGEN_INFO): ... this.
2580 (tree_lambda_expr::regenerated_from)
2581 (tree_lambda_expr::regenerating_targs): Replace these with ...
2582 (tree_lambda_expr::regen_info): ... this.
2583 * constraint.cc (satisfy_declaration_constraints): Adjust
2584 accordingly.
2585 * lambda.c (build_lambda_expr): Likewise.
2586 * pt.c (regenerated_lambda_fn_p): Likewise.
2587 (most_general_lambda): Likewise.
2588 (tsubst_lambda_expr): Likewise.
2590 2021-04-09 Marek Polacek <polacek@redhat.com>
2592 PR c++/99806
2593 * parser.c (cp_parser_member_declaration): Call
2594 cp_parser_save_default_args even for function templates. Use
2595 STRIP_TEMPLATE on the declaration we're passing.
2597 2021-04-08 Patrick Palka <ppalka@redhat.com>
2599 PR c++/99874
2600 * constraint.cc (get_normalized_constraints_from_decl): Handle
2601 regenerated lambdas.
2602 (satisfy_declaration_constraints): Likewise. Check for
2603 dependent args later.
2604 * cp-tree.h (LAMBDA_EXPR_INSTANTIATED): Replace with ...
2605 (LAMBDA_EXPR_REGENERATED_FROM): ... this.
2606 (LAMBDA_EXPR_REGENERATING_TARGS): New.
2607 (tree_lambda_expr::regenerated_from): New data member.
2608 (tree_lambda_expr::regenerating_targs): New data member.
2609 (add_to_template_args): Declare.
2610 (regenerated_lambda_fn_p): Likewise.
2611 (most_general_lambda): Likewise.
2612 * lambda.c (build_lambda_expr): Set LAMBDA_EXPR_REGENERATED_FROM
2613 and LAMBDA_EXPR_REGENERATING_TARGS.
2614 * pt.c (add_to_template_args): No longer static.
2615 (tsubst_function_decl): Unconditionally propagate constraints on
2616 the substituted function decl.
2617 (instantiated_lambda_fn_p): Rename to ...
2618 (regenerated_lambda_fn_p): ... this. Check
2619 LAMBDA_EXPR_REGENERATED_FROM instead of
2620 LAMBDA_EXPR_INSTANTIATED.
2621 (most_general_lambda): Define.
2622 (enclosing_instantiation_of): Adjust after renaming
2623 instantiated_lambda_fn_p.
2624 (tsubst_lambda_expr): Don't set LAMBDA_EXPR_INSTANTIATED. Set
2625 LAMBDA_EXPR_REGENERATED_FROM and LAMBDA_EXPR_REGENERATING_TARGS.
2626 Don't substitute or set constraints on the regenerated lambda.
2628 2021-04-08 Patrick Palka <ppalka@redhat.com>
2630 PR c++/97679
2631 * pt.c (build_deduction_guide): Document OUTER_ARGS. Substitute
2632 them into the propagated constraints.
2634 2021-04-08 Jason Merrill <jason@redhat.com>
2636 PR c++/91849
2637 * call.c (convert_like_internal): Improve reference diagnostic.
2639 2021-04-08 Jakub Jelinek <jakub@redhat.com>
2641 PR c++/99859
2642 * constexpr.c (addr_of_non_const_var): New function.
2643 (cxx_bind_parameters_in_call): Set *non_constant_args to true
2644 even if cp_walk_tree on arg with addr_of_non_const_var callback
2645 returns true.
2647 2021-04-08 Jason Merrill <jason@redhat.com>
2649 PR c++/94529
2650 * pt.c (determine_specialization): Improve diagnostic.
2652 2021-04-08 Marek Polacek <polacek@redhat.com>
2654 PR c++/99844
2655 * decl.c (build_explicit_specifier): Call
2656 check_for_bare_parameter_packs.
2657 * except.c (build_noexcept_spec): Likewise.
2659 2021-04-07 Jason Merrill <jason@redhat.com>
2661 PR c++/41723
2662 * parser.c (cp_parser_class_name): Check dependent_scope_p.
2664 2021-04-07 Jason Merrill <jason@redhat.com>
2666 PR c++/52625
2667 * pt.c (maybe_process_partial_specialization): Check
2668 DECL_SELF_REFERENCE_P.
2670 2021-04-07 Jason Merrill <jason@redhat.com>
2672 PR c++/92918
2673 * name-lookup.c (push_class_level_binding_1): Do overload a new
2674 function with a previous using-declaration.
2676 2021-04-06 Jason Merrill <jason@redhat.com>
2678 PR c++/96673
2679 * init.c (get_nsdmi): Don't defer access checking.
2681 2021-04-06 Jason Merrill <jason@redhat.com>
2683 PR c++/99901
2684 * decl.c (cp_finish_decl): mark_needed an implicitly inline
2685 static data member with an out-of-class redeclaration.
2687 2021-04-06 Jason Merrill <jason@redhat.com>
2689 PR c++/91241
2690 * mangle.c (write_compact_number): Add sanity check.
2691 (write_local_name): Use list_length for parm number.
2693 2021-04-06 Patrick Palka <ppalka@redhat.com>
2695 PR c++/99899
2696 * pt.c (do_auto_deduction): Don't exit early when deducing the
2697 array type of a structured binding. Also handle adc_decomp_type
2698 during constraint checking.
2700 2021-04-05 Jason Merrill <jason@redhat.com>
2702 PR c++/96311
2703 * typeck.c (check_return_expr): Call mark_exp_read in dependent
2704 case.
2706 2021-04-05 Jason Merrill <jason@redhat.com>
2708 PR c++/98440
2709 * typeck.c (build_reinterpret_cast_1): Don't perform
2710 temporary materialization.
2712 2021-04-05 Jason Merrill <jason@redhat.com>
2714 PR c++/95317
2715 * pt.c (lookup_template_class_1): Do tsubst_enum when
2716 tsubsting a generic lambda.
2718 2021-04-05 Jason Merrill <jason@redhat.com>
2720 PR c++/95870
2721 * pt.c (enclosing_instantiation_of): Compare DECL_SOURCE_LOCATION if
2722 there is no enclosing non-lambda function.
2724 2021-04-05 Nathan Sidwell <nathan@acm.org>
2726 PR c++/99380
2727 * module.cc (name_pending_imports): Drop 'atend' parm. Don't
2728 query export when not needed.
2729 (preprocess_module, preprocessed_module): Adjust.
2731 2021-04-05 Jason Merrill <jason@redhat.com>
2733 PR c++/99066
2734 * pt.c (mark_decl_instantiated): Set DECL_EXTERNAL.
2736 2021-04-05 Jason Merrill <jason@redhat.com>
2738 PR c++/99201
2739 * pt.c (class el_data): Add visited field.
2740 (extract_local_specs): Pass it to cp_walk_tree.
2741 (extract_locals_r): Walk into the body of a lambda.
2743 2021-04-05 Jason Merrill <jason@redhat.com>
2745 * ptree.c (cxx_print_decl): Check DECL_MODULE_IMPORT_P on
2746 template result.
2748 2021-04-04 Jason Merrill <jason@redhat.com>
2750 PR c++/99643
2751 * typeck2.c (massage_init_elt): Don't strip TARGET_EXPR.
2753 2021-04-03 Marek Polacek <polacek@redhat.com>
2755 PR c++/91416
2756 * parser.c: Create a GC root for attributes in a decl specifier.
2757 (cp_parser_type_specifier): Push/pop ->attributes onto/from it.
2759 2021-04-03 Jason Merrill <jason@redhat.com>
2761 PR c++/91217
2762 * pt.c (tsubst_lambda_expr): Skip the body block from
2763 DECL_SAVED_TREE.
2765 2021-04-03 Jason Merrill <jason@redhat.com>
2767 PR c++/90664
2768 * cvt.c (can_convert_qual): Check fnptr_conv_p.
2770 2021-04-03 Jason Merrill <jason@redhat.com>
2772 PR c++/97900
2773 * pt.c (regenerate_decl_from_template): tsubst_decl
2774 the parms.
2776 2021-04-02 Patrick Palka <ppalka@redhat.com>
2778 PR c++/99869
2779 * parser.c (do_range_for_auto_deduction): Pass adc_variable_type
2780 to do_auto_deduction.
2782 2021-04-02 Patrick Palka <ppalka@redhat.com>
2784 PR c++/99586
2785 * semantics.c (finish_compound_literal): Check
2786 template_placeholder_p instead of type_uses_auto.
2788 2021-04-02 Jason Merrill <jason@redhat.com>
2790 PR c++/97938
2791 * cp-tree.h (PACK_EXPANSION_AUTO_P): New.
2792 * lambda.c (add_capture): Set it.
2793 * pt.c (tsubst_pack_expansion): Handle it.
2795 2021-04-02 Nathan Sidwell <nathan@acm.org>
2797 * cp-tree.h (lang_decl_base): Correct module flag comment.
2798 * module.cc (trees_in::assert_definition): Break out
2799 not_tmpl var.
2800 (trees_out::lang_decl_bools): Do not write purview for header units.
2802 2021-04-01 Marek Polacek <polacek@redhat.com>
2804 PR c++/99831
2805 * method.c (defaulted_late_check): ++ and -- function_depth around
2806 the call to synthesize_method.
2807 * pt.c: Remove the saved_trees global.
2809 2021-04-01 Jason Merrill <jason@redhat.com>
2811 PR c++/99583
2812 PR c++/99584
2813 * tree.c (cp_walk_subtrees) [FUNCTION_TYPE]: Walk into
2814 TYPE_RAISES_EXCEPTIONS.
2816 2021-04-01 Iain Sandoe <iain@sandoe.co.uk>
2818 * mapper-client.cc (INCLUDE_MAP): New; require map to be
2819 included from system.h.
2820 * mapper-resolver.cc (INCLUDE_MAP): Likewise.
2822 2021-04-01 Jason Merrill <jason@redhat.com>
2824 PR c++/98481
2825 * mangle.c (write_expression): Adjust.
2826 * class.c (find_abi_tags_r): Disable PR98481 fix for ABI v14.
2827 (mark_abi_tags_r): Likewise.
2829 2021-04-01 Nathan Sidwell <nathan@acm.org>
2831 PR c++/99283
2832 * module.cc (trees_out::decl_node): Adjust importedness reference
2833 assert.
2834 (module_state::intercluster_seed): New. Seed both imports and
2835 inter-cluster references. Broken out of ...
2836 (module_state::write_cluster): ... here. Call it.
2838 2021-03-31 Jason Merrill <jason@redhat.com>
2840 PR c++/99445
2841 * tree.c (strip_typedefs): Handle TYPE_PACK_EXPANSION.
2843 2021-03-31 Patrick Palka <ppalka@redhat.com>
2845 PR c++/88115
2846 * mangle.c (write_expression): Adjust the mangling of
2847 __alignof__.
2849 2021-03-31 Patrick Palka <ppalka@redhat.com>
2851 PR c++/99815
2852 * pt.c (placeholder_type_constraint_dependent_p): Expand
2853 argument packs to separate the first non-pack argument
2854 from the rest.
2856 2021-03-30 Nathan Sidwell <nathan@acm.org>
2858 PR c++/99283
2859 * module.cc (dumper::operator): Make less brittle.
2860 (trees_out::core_bools): VAR_DECLs always have a context.
2861 (trees_out::key_mergeable): Use same_type_p for asserting.
2862 (trees_in::read_var_def): Propagate
2863 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
2865 2021-03-30 Jakub Jelinek <jakub@redhat.com>
2867 PR c++/99790
2868 * cp-gimplify.c (cp_gimplify_expr): Handle PTRMEM_CST.
2870 2021-03-26 Marek Polacek <polacek@redhat.com>
2872 PR c++/98352
2873 * method.c (implicitly_declare_fn): Pass &raises to
2874 synthesized_method_walk.
2876 2021-03-26 Nathan Sidwell <nathan@acm.org>
2878 PR c++/99283
2879 * cp-tree.h (DECL_MODULE_CHECK): Ban TEMPLATE_DECL.
2880 (SET_TYPE_TEMPLATE_INFO): Restore Alias template setting.
2881 * decl.c (duplicate_decls): Remove template_decl module flag
2882 propagation.
2883 * module.cc (merge_kind_name): Add alias tmpl spec as a thing.
2884 (dumper::impl::nested_name): Adjust for template-decl module flag
2885 change.
2886 (trees_in::assert_definition): Likewise.
2887 (trees_in::install_entity): Likewise.
2888 (trees_out::decl_value): Likewise. Remove alias template
2889 separation of template and type_decl.
2890 (trees_in::decl_value): Likewise.
2891 (trees_out::key_mergeable): Likewise,
2892 (trees_in::key_mergeable): Likewise.
2893 (trees_out::decl_node): Adjust for template-decl module flag
2894 change.
2895 (depset::hash::make_dependency): Likewise.
2896 (get_originating_module, module_may_redeclare): Likewise.
2897 (set_instantiating_module, set_defining_module): Likewise.
2898 * name-lookup.c (name_lookup::search_adl): Likewise.
2899 (do_pushdecl): Likewise.
2900 * pt.c (build_template_decl): Likewise.
2901 (lookup_template_class_1): Remove special alias_template handling
2902 of DECL_TI_TEMPLATE.
2903 (tsubst_template_decl): Likewise.
2905 2021-03-26 Jakub Jelinek <jakub@redhat.com>
2907 PR c++/99705
2908 * tree.c (bot_manip): Remap artificial automatic temporaries mentioned
2909 in DECL_EXPR or in BIND_EXPR_VARS.
2911 2021-03-25 Jakub Jelinek <jakub@redhat.com>
2913 PR c++/99672
2914 * parser.c (cp_parser_postfix_expression): For calls, create
2915 combined_loc and temporarily set input_location to it before
2916 calling finish_call_expr.
2918 2021-03-25 Marek Polacek <polacek@redhat.com>
2920 PR c++/94751
2921 * call.c (build_over_call): Maybe call mark_used in case
2922 deduce_inheriting_ctor fails and return error_mark_node.
2923 * cp-tree.h (deduce_inheriting_ctor): Adjust declaration.
2924 * method.c (deduce_inheriting_ctor): Return bool if the deduction
2925 fails.
2926 (implicitly_declare_fn): If raises is error_mark_node, call
2927 synthesized_method_walk with diag being true.
2929 2021-03-25 Jakub Jelinek <jakub@redhat.com>
2931 PR c++/99745
2932 * decl2.c (grokbitfield): Diagnose bitfields containing bare parameter
2933 packs and don't set DECL_BIT_FIELD_REPRESENTATIVE in that case.
2935 2021-03-25 Marek Polacek <polacek@redhat.com>
2937 PR c++/99331
2938 * call.c (build_converted_constant_expr_internal): Don't emit
2939 -Wconversion warnings.
2941 2021-03-25 Jakub Jelinek <jakub@redhat.com>
2943 PR c++/99565
2944 * call.c (build_conditional_expr_1): Pass OEP_ADDRESS_OF_SAME_FIELD
2945 to operand_equal_p.
2946 * cvt.c (convert_to_void): Preserve location_t on COND_EXPR or
2947 or COMPOUND_EXPR.
2949 2021-03-23 Nathan Sidwell <nathan@acm.org>
2951 PR c++/99283
2952 * name-lookup.c (check_module_override): Set global or partition
2953 DUP on the binding vector.
2955 2021-03-23 Marek Polacek <polacek@redhat.com>
2957 PR c++/99318
2958 * decl2.c (cp_warn_deprecated_use_scopes): Only call
2959 cp_warn_deprecated_use when decl is a namespace, class, or enum.
2961 2021-03-23 Nathan Sidwell <nathan@acm.org>
2963 PR c++/99239
2964 * decl.c (duplicate_decls): Remove assert about maybe-imported
2965 artificial decls.
2967 2021-03-23 Jakub Jelinek <jakub@redhat.com>
2969 PR c++/99650
2970 * decl.c (cp_finish_decomp): Diagnose void initializers when
2971 using tuple_element and get.
2973 2021-03-22 Nathan Sidwell <nathan@acm.org>
2975 PR c++/99480
2976 * module.cc (depset::hash::make_dependency): Propagate flags for
2977 partial specialization.
2978 (module_may_redeclare): Handle partial specialization.
2980 2021-03-22 Nathan Sidwell <nathan@acm.org>
2982 PR c++/99425
2983 * cp-tree.h (map_context_from, map_context_to): Delete.
2984 (add_mergeable_specialization): Add is_alias parm.
2985 * pt.c (add_mergeable_specialization): Add is_alias parm, add them.
2986 * module.cc (map_context_from, map_context_to): Delete.
2987 (trees_in::decl_value): Add specializations later, adjust call.
2988 Drop useless alias lookup. Set duplicate fn parm context.
2989 (check_mergeable_decl): Drop context mapping.
2990 (trees_in::is_matching_decl): Likewise.
2991 (trees_in::read_function_def): Drop parameter context adjustment
2992 here.
2994 2021-03-22 Martin Liska <mliska@suse.cz>
2996 PR c++/99687
2997 * module.cc (fini_modules): Call vec_free instead of delete.
2999 2021-03-20 Jakub Jelinek <jakub@redhat.com>
3001 PR debug/99230
3002 * cp-gimplify.c (cp_genericize_r) <case STATEMENT_LIST>: Remove
3003 special code, instead call c_genericize_control_stmt.
3005 2021-03-19 Jakub Jelinek <jakub@redhat.com>
3007 PR c++/99456
3008 * constexpr.c (cxx_eval_constant_expression): For CONVERT_EXPR from
3009 INDIRECT_TYPE_P to ARITHMETIC_TYPE_P, when !ctx->manifestly_const_eval
3010 don't diagnose it, set *non_constant_p nor return t.
3012 2021-03-19 Marek Polacek <polacek@redhat.com>
3014 PR c++/99500
3015 * parser.c (cp_parser_requirement_parameter_list): Handle
3016 error_mark_node.
3018 2021-03-18 Marek Polacek <polacek@redhat.com>
3020 * pt.c (tsubst_copy_and_build) <case FLOAT_EXPR>: Remove.
3022 2021-03-18 Marek Polacek <polacek@redhat.com>
3024 * pt.c (tsubst_copy_and_build): Add assert.
3026 2021-03-18 Iain Sandoe <iain@sandoe.co.uk>
3028 PR objc++/49070
3029 * parser.c (cp_debug_parser): Add Objective-C++ message
3030 state flag.
3031 (cp_parser_nested_name_specifier_opt): Allow colon to
3032 terminate an assignment-expression when parsing Objective-
3033 C++ messages.
3034 (cp_parser_objc_message_expression): Set and clear message
3035 parsing state on entry and exit.
3036 * parser.h (struct cp_parser): Add a context flag for
3037 Objective-C++ message state.
3039 2021-03-18 Martin Liska <mliska@suse.cz>
3041 PR c++/99617
3042 * coroutines.cc (struct var_nest_node): Init then_cl and else_cl
3043 to NULL.
3045 2021-03-17 Marek Polacek <polacek@redhat.com>
3047 PR c++/97973
3048 * call.c (conv_unsafe_in_template_p): New.
3049 (convert_like): Use it.
3051 2021-03-17 Anthony Sharp <anthonysharp15@gmail.com>
3052 Jason Merrill <jason@redhat.com>
3054 * semantics.c (get_class_access_diagnostic_decl): New
3055 function that examines special cases when a parent
3056 class causes a private access failure.
3057 (enforce_access): Slightly modified to call function
3058 above.
3060 2021-03-16 Jason Merrill <jason@redhat.com>
3062 * tree.c (cp_tree_equal): Use real_identical.
3064 2021-03-16 Jakub Jelinek <jakub@redhat.com>
3066 PR c++/99613
3067 * decl.c (expand_static_init): For thread guards, call __cxa_atexit
3068 before calling __cxa_guard_release rather than after it. Formatting
3069 fixes.
3071 2021-03-16 Martin Liska <mliska@suse.cz>
3072 Jason Merrill <jason@redhat.com>
3074 PR c++/99108
3075 * call.c (get_function_version_dispatcher): Handle
3076 DECL_LOCAL_DECL_P.
3077 * decl.c (maybe_version_functions): Likewise.
3078 (maybe_mark_function_versioned): New.
3079 * name-lookup.c (push_local_extern_decl_alias): No longer static.
3080 * name-lookup.h (push_local_extern_decl_alias): Adjust.
3082 2021-03-16 Nathan Sidwell <nathan@acm.org>
3084 PR c++/99496
3085 * module.cc (trees_out::decl_value): Adjust typedef streaming,
3086 indicate whether it is a dependent alias.
3087 (trees_in::decl_value): Likewise. Set as dependent alias, if it
3088 is one.
3090 2021-03-15 Iain Sandoe <iain@sandoe.co.uk>
3092 PR c++/99047
3093 * coroutines.cc (expand_one_await_expression): If the
3094 await_ready() expression is not a boolean then convert it
3095 as required.
3097 2021-03-15 Iain Sandoe <iain@sandoe.co.uk>
3099 PR c++/98704
3100 * coroutines.cc (build_actor_fn): Make destroy index 1
3101 correspond to the abnormal unhandled_exception() exit.
3102 Substitute the proxy for the resume index.
3103 (coro_rewrite_function_body): Arrange to reset the resume
3104 index and make done = true for a rethrown exception from
3105 unhandled_exception ().
3106 (morph_fn_to_coro): Adjust calls to build_actor_fn and
3107 coro_rewrite_function_body.
3109 2021-03-15 Iain Sandoe <iain@sandoe.co.uk>
3111 PR c++/98480
3112 * coroutines.cc (replace_continue): Rewrite continue into
3113 'goto label'.
3114 (await_statement_walker): Handle await expressions in the
3115 initializer, condition and iteration expressions of for
3116 loops.
3118 2021-03-15 Iain Sandoe <iain@sandoe.co.uk>
3120 PR c++/96749
3121 * coroutines.cc (flatten_await_stmt): Allow for the case
3122 where a target expression variable only has uses in the
3123 second part of a compound expression.
3124 (maybe_promote_temps): Avoid emiting empty statements.
3126 2021-03-15 Tobias Burnus <tobias@codesourcery.com>
3128 PR c++/99509
3129 * decl.c (cp_finish_decl): For 'omp declare target implicit' vars,
3130 ensure that the varpool node is marked as offloadable.
3132 2021-03-12 Nathan Sidwell <nathan@acm.org>
3134 PR c++/99238
3135 * module.cc (depset::hash::add_binding_entity): Assert not
3136 visited.
3137 (depset::add::add_specializations): Likewise.
3138 * name-lookup.c (name_lookup::dedup): New.
3139 (name_lookup::~name_lookup): Assert not deduping.
3140 (name_lookup::restore_state): Likewise.
3141 (name_lookup::add_overload): Replace outlined code with dedup
3142 call.
3143 (name_lookup::add_value): Likewise.
3144 (name_lookup::search_namespace_only): Likewise.
3145 (name_lookup::adl_namespace_fns): Likewise.
3146 (name_lookup::adl_class_fns): Likewise.
3147 (name_lookup::search_adl): Likewise. Add clearing dedup call.
3148 (name_lookup::search_qualified): Likewise.
3149 (name_lookup::search_unqualified): Likewise.
3151 2021-03-12 Jakub Jelinek <jakub@redhat.com>
3153 PR c++/99507
3154 * call.c (build_over_call): For immediate evaluation of functions
3155 that return references, undo convert_from_reference effects before
3156 calling cxx_constant_value and call convert_from_reference
3157 afterwards.
3159 2021-03-11 Nathan Sidwell <nathan@acm.org>
3161 PR c++/99248
3162 * name-lookup.c (lookup_elaborated_type_1): Access slot not bind
3163 when there's a binding vector.
3164 * ptree.c (cxx_print_xnode): Lazy flags are no longer a thing.
3166 2021-03-11 Nathan Sidwell <nathan@acm.org>
3168 PR c++/99528
3169 * module.cc (enum merge_kind): Delete MK_type_tmpl_spec,
3170 MK_decl_tmpl_spec.
3171 (trees_in::decl_value): Adjust add_mergeable_specialization call.
3172 (trees_out::get_merge_kind): Adjust detecting a partial template
3173 instantiation.
3174 (trees_out::key_mergeable): Adjust handling same.
3175 (trees_in::key_mergeabvle): Likewise.
3177 2021-03-10 Nathan Sidwell <nathan@acm.org>
3179 PR c++/99423
3180 * module.cc (post_load_processing): Assert not gcable.
3181 (laxy_load_pendings): Extend no-gc region around
3182 post_load_processing.
3184 2021-03-10 Nathan Sidwell <nathan@acm.org>
3186 PR c++/99508
3187 * decl.c (make_rtl_for_nonlocal_decl): Propagate local-extern's
3188 assembler name to the ns alias.
3190 2021-03-09 Jakub Jelinek <jakub@redhat.com>
3192 PR c++/99459
3193 * coroutines.cc (build_co_await): Look through NOP_EXPRs in
3194 build_special_member_call return value to find the CALL_EXPR.
3195 Simplify.
3197 2021-03-09 Nathan Sidwell <nathan@acm.org>
3199 PR c++/99472
3200 * parser.c (cp_parser_diagnose_invalid_type_name): Clarify
3201 that C++20 does not yet imply modules.
3203 2021-03-08 Nathan Sidwell <nathan@acm.org>
3205 PR c++/99436
3206 * name-lookup.c (get_cxx_dialect_name): Add cxx23.
3208 2021-03-08 Nathan Sidwell <nathan@acm.org>
3210 * lex.c (module_token_filter::resume): Ignore module-decls inside
3211 header-unit.
3212 * parser.c (cp_parser_module_declaration): Reject in header-unit.
3214 2021-03-08 Nathan Sidwell <nathan@acm.org>
3216 PR c++/99285
3217 * cp-tree.h (match_mergeable_specialization)
3218 (add_mergeable_specialization): Adjust parms.
3219 * module.cc (trees_in::decl_value): Adjust
3220 add_mergeable_specialization calls.
3221 (trees_out::key_mergeable): Adjust match_mergeable_specialization
3222 calls.
3223 (specialization_add): Likewise.
3224 * pt.c (match_mergeable_specialization): Do not insert.
3225 (add_mergeable_specialization): Add to hash table here.
3227 2021-03-06 Patrick Palka <ppalka@redhat.com>
3228 Jakub Jelinek <jakub@redhat.com>
3230 PR c++/99287
3231 * constexpr.c (cxx_eval_increment_expression): Pass lval when
3232 evaluating the MODIFY_EXPR, and update 'mod' with the result of
3233 this evaluation. Check *non_constant_p afterwards. For prefix
3234 ops, just return 'mod'.
3236 2021-03-06 Patrick Palka <ppalka@redhat.com>
3237 Jakub Jelinek <jakub@redhat.com>
3239 PR c++/96330
3240 * pt.c (tsubst_copy) <case TEMPLATE_ID_EXPR>: Rename local
3241 variable 'fn' to 'tmpl'. Handle a variable template-id by
3242 calling lookup_template_variable.
3244 2021-03-06 Patrick Palka <ppalka@redhat.com>
3246 PR c++/99365
3247 * pt.c (unify) <case TEMPLATE_TYPE_PARM>: Pass targs as
3248 outer_targs to do_auto_deduction.
3249 (placeholder_type_constraint_dependent_p): Define.
3250 (do_auto_deduction): When processing_template_decl != 0
3251 and context is adc_unify and we have constraints, pretend the
3252 constraints are satisfied instead of punting. Otherwise don't
3253 punt unless placeholder_type_constraint_dependent_p holds.
3254 Add some clarifying sanity checks. Add a hack to add missing
3255 outermost template levels to outer_args before checking
3256 satisfaction. Don't substitute outer_targs into type if it's
3257 already been done.
3259 2021-03-05 Marek Polacek <polacek@redhat.com>
3261 PR c++/99374
3262 * call.c (standard_conversion): When converting pointers to
3263 member, don't return NULL when the bases are equivalent but
3264 incomplete.
3266 2021-03-05 Marek Polacek <polacek@redhat.com>
3268 PR c++/99120
3269 * name-lookup.c (check_local_shadow): Check if the type of decl
3270 is non-null before checking TYPE_PTR*.
3272 2021-03-05 Nathan Sidwell <nathan@acm.org>
3274 PR c++/99245
3275 * module.cc (module_state::write_cluster): Relax binding assert.
3277 2021-03-05 Nathan Sidwell <nathan@acm.org>
3279 PR c++/99377
3280 * pt.c (instantiate_decl): Call set_instantiating_module.
3282 2021-03-05 Iain Sandoe <iain@sandoe.co.uk>
3284 PR c++/98118
3285 * coroutines.cc (build_co_await): Use type_build_ctor_call()
3286 to determine cases when a CTOR needs to be built.
3287 (flatten_await_stmt): Likewise.
3288 (morph_fn_to_coro): Likewise.
3290 2021-03-05 Iain Sandoe <iain@sandoe.co.uk>
3292 PR c++/95616
3293 * coroutines.cc (coro_diagnose_throwing_fn): New helper.
3294 (coro_diagnose_throwing_final_aw_expr): New helper.
3295 (build_co_await): Diagnose throwing final await expression
3296 components.
3297 (build_init_or_final_await): Diagnose a throwing promise
3298 final_suspend() call.
3300 2021-03-05 Iain Sandoe <iain@sandoe.co.uk>
3302 PR c++/95615
3303 * coroutines.cc (struct param_info): Track parameter copies that need
3304 a DTOR.
3305 (coro_get_frame_dtor): New helper function factored from build_actor().
3306 (build_actor_fn): Use coro_get_frame_dtor().
3307 (morph_fn_to_coro): Track parameters that need DTORs on exception,
3308 likewise the frame promise and the return object. On exception, run the
3309 DTORs for these, destroy the frame and then rethrow the exception.
3311 2021-03-05 Nathan Sidwell <nathan@acm.org>
3313 PR c++/99389
3314 * pt.c (instantiate_class_template_1): Set instantiating module
3315 here.
3317 2021-03-05 Tobias Burnus <tobias@codesourcery.com>
3319 PR c/99137
3320 * parser.c (cp_parser_oacc_clause_async): Reject comma expressions.
3322 2021-03-04 Jakub Jelinek <jakub@redhat.com>
3324 PR c++/88146
3325 PR c++/99362
3326 * cvt.c (convert_to_void): Revert 2019-10-17 changes. Clarify
3327 comment.
3329 2021-03-04 Nathan Sidwell <nathan@acm.org>
3331 PR c++/99170
3332 * module.cc (class uintset): Delete.
3333 (typedef attached_map_t): A hash map.
3334 (attached_table): Use attached_map_t. Adjust uses ...
3335 (trees_out::decl_value, trees_in::decl_value): ... here ...
3336 (trees_out::key_mergeable): ... here ...
3337 (trees_in::key_mergeable): ... here ...
3338 (maybe_attach_decl): ... here ...
3339 (direct_import): ... and here.
3341 2021-03-04 Nathan Sidwell <nathan@acm.org>
3343 PR c++/99170
3344 * cp-tree.h
3345 * lex.c (cxx_dup_lang_specific_decl): Adjust for module_attached_p
3346 rename.
3347 * module.cc (class pending_key): New.
3348 (default_hash_traits<pending_key>): New specialization.
3349 (pending_map_t): New typedef.
3350 (pending_table): Replace old table.
3351 (trees_out::lang_decl_bools): Adjust.
3352 (trees_in::lang_decl_bools): Adjust.
3353 (trees_in::install_entity): Drop pending member and specialization
3354 handling.
3355 (find_pending_key): New.
3356 (depset::hash::fiund_dependencies): Use it.
3357 (pendset_lazy_load): Delete.
3358 (module_state::write_cluster): Don't count pendings here. Bye
3359 Duff's device-like thing.
3360 (module_state::write_pendings): Reimplement.
3361 (module_state::read_pendings): Reimplement.
3362 (lazy_specializations_p): Delete.
3363 (module_state::write): Adjust write_pendings call.
3364 (lazy_load_pendings): New.
3365 (lazy_load_specializations): Delete.
3366 (lazy_load_members): Delete.
3367 (init_modules): Adjust.
3368 * name-lookup.c (maybe_lazily_declare): Call lazy_load_pendings
3369 not lazy_load_members.
3370 (note_pending_specializations): Delete.
3371 (load_pending_specializations): Delete.
3372 * name-lookup.h (BINDING_VECTR_PENDING_SPECIALIZATIONS_P): Delete.
3373 (BINDING_VECTOR_PENDING_MEMBERS_P): Delete.
3374 (BINDING_VECTR_PENDING_MEMBERS_P): Delete.
3375 (note_pending_specializations): Delete.
3376 (load_pending_specializations): Delete.
3377 * pt.c (lookup_template_class_1): Call lazy_load_pendings not
3378 lazy_load_specializations.
3379 (instantiate_template_class_1): Likewise.
3380 (instantiate_decl): Call lazy_load_pendings.
3381 * typeck.c (complete_type): Likewise.
3383 2021-03-03 Nathan Sidwell <nathan@acm.org>
3385 PR c++/99170
3386 * module.cc (post_load_decls): New.
3387 (lazy_snum, recursive_lazy): Move earlier.
3388 (module_state::read_cluster): Push cloning onto post_load_decls.
3389 (post_load_processing): New. Do the cloning here.
3390 (module_state::read_inits): Call post_load_processing.
3391 (module_state::read_language): Likewise.
3392 (lazy_load_binding, lazy_load_specializations): Likewise
3393 (lazy_load_members): Likewise
3395 2021-03-03 Nathan Sidwell <nathan@acm.org>
3397 PR c++/99170
3398 * module.cc (trees_out::decl_value): Stream specialization keys
3399 after decl.
3400 (trees_in::decl_value): Stream them back and insert after
3401 completing the decl.
3402 (trees_out::key_mergeable): Drop some streaming here ...
3403 (trees_in::key_mergeable): ... and here. Don't insert into
3404 specialization tables.
3406 2021-03-03 Patrick Palka <ppalka@redhat.com>
3408 * constraint.cc (struct sat_info): Document the different
3409 meanings of noisy() and diagnose_unsatisfaction_p() during
3410 satisfaction and requires-expression evaluation.
3411 (tsubst_valid_expression_requirement): Take a sat_info instead
3412 of a subst_info. Perform the substitution quietly first. Fold
3413 in error-replaying code from diagnose_valid_expression.
3414 (tsubst_simple_requirement): Take a sat_info instead of a
3415 subst_info.
3416 (tsubst_type_requirement_1): New. Fold in error-replaying code
3417 from diagnose_valid_type.
3418 (tsubst_type_requirement): Use the above. Take a sat_info
3419 instead of a subst_info.
3420 (tsubst_compound_requirement): Likewise. Fold in
3421 error-replaying code from diagnose_compound_requirement.
3422 (tsubst_nested_requirement): Take a sat_info instead of a
3423 subst_info. Fold in error-replaying code from
3424 diagnose_nested_requirement.
3425 (tsubst_requirement): Take a sat_info instead of a subst_info.
3426 (tsubst_requires_expr): Split into two versions, one that takes
3427 a sat_info argument and another that takes a complain and
3428 in_decl argument. Remove outdated documentation. Document the
3429 effects of the sat_info argument. Don't short-circuit
3430 processing of requirements when diagnosing unsatisfaction,
3431 mirroring diagnose_requires_expr.
3432 (satisfy_nondeclaration_constraint) <case REQUIRES_EXPR>: Remove
3433 assert, and se the three-parameter version of tsubst_requires_expr.
3434 (diagnose_trait_expr): Make static. Take a template argument
3435 vector instead of a parameter mapping.
3436 (diagnose_valid_expression): Remove.
3437 (diagnose_valid_type): Remove.
3438 (diagnose_simple_requirement): Remove.
3439 (diagnose_compound_requirement): Remove.
3440 (diagnose_type_requirement): Remove.
3441 (diagnose_nested_requirement): Remove.
3442 (diagnose_requirement): Remove.
3443 (diagnose_requires_expr): Remove.
3444 (diagnose_atomic_constraint): Take a sat_info instead of a
3445 subst_info. Adjust call to diagnose_trait_expr. Call
3446 tsubst_requires_expr instead of diagnose_requires_expr.
3447 (diagnose_constraints): Remove special casing of REQUIRES_EXPR
3448 and just always call constraint_satisfaction_value.
3450 2021-03-03 Patrick Palka <ppalka@redhat.com>
3452 * constexpr.c (cxx_eval_call_expression): Adjust call to
3453 evaluate_concept_check.
3454 (cxx_eval_constant_expression) <case REQUIRES_EXPR>: Use
3455 evaluate_requires_expression instead of
3456 satisfy_constraint_expression.
3457 <case TEMPLATE_ID_EXPR>: Adjust call to evaluate_concept_check.
3458 * constraint.cc (struct sat_info): Adjust comment about which
3459 satisfaction entrypoints use noisy-unsat.
3460 (normalize_template_requirements): Remove (and adjust callers
3461 appropriately).
3462 (normalize_nontemplate_requirements): Likewise.
3463 (tsubst_nested_requirement): Use constraint_satisfaction_value
3464 instead of satisfy_constraint_expression, which'll do the
3465 noisy replaying of ill-formed quiet satisfaction for us.
3466 (decl_satisfied_cache): Adjust comment.
3467 (satisfy_constraint): Rename to ...
3468 (satisfy_normalized_constraints): ... this.
3469 (satisfy_associated_constraints): Remove (and make its
3470 callers check for dependent arguments).
3471 (satisfy_constraint_expression): Rename to ...
3472 (satisfy_nondeclaration_constraints): ... this. Assert that
3473 'args' is empty when 't' is a concept-id. Removing handling
3474 bare constraint-expressions, and handle REQUIRES_EXPRs
3475 specially. Adjust comment accordingly.
3476 (satisfy_declaration_constraints): Assert in the two-parameter
3477 version that 't' is not a TEMPLATE_DECL. Adjust following
3478 removal of normalize_(non)?template_requirements and
3479 satisfy_asociated_constraints.
3480 (constraint_satisfaction_value): Combine the two- and
3481 three-parameter versions in the natural way.
3482 (constraints_satisfied_p): Combine the one- and two-parameter
3483 versions in the natural way. Improve documentation.
3484 (evaluate_requires_expr): Define.
3485 (evaluate_concept_check): Remove 'complain' parameter. Use
3486 constraint_satisfaction_value instead of
3487 satisfy_constraint_expression.
3488 (diagnose_nested_requirement): Adjust following renaming of
3489 satisfy_constraint_expression.
3490 (diagnose_constraints): Handle REQUIRES_EXPR by going through
3491 diagnose_requires_expr directly instead of treating it as a
3492 constraint-expression. Improve documentation.
3493 * cp-gimplify.c (cp_genericize_r) <case CALL_EXPR>: Adjust call
3494 to evaluate_concept_check.
3495 <case REQUIRES_EXPR>: Use evaluate_requires_expr instead of
3496 constraints_satisfied_p.
3497 <case TEMPLATE_ID_EXPR>: Adjust call to evaluate_concept_check.
3498 * cp-tree.h (evaluate_requires_expr): Declare.
3499 (evaluate_concept_check): Remove tsubst_flag_t parameter.
3500 (satisfy_constraint_expression): Remove declaration.
3501 (constraints_satisfied_p): Remove one-parameter declaration.
3502 Add a default argument to the two-parameter declaration.
3503 * cvt.c (convert_to_void): Adjust call to
3504 evaluate_concept_check.
3506 2021-03-03 Jakub Jelinek <jakub@redhat.com>
3508 PR c++/82959
3509 * call.c (op_is_ordered): Handle TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR
3510 and COMPOUND_EXPR.
3512 2021-03-03 Marek Polacek <polacek@redhat.com>
3514 PR c++/97034
3515 PR c++/99009
3516 * pt.c (build_deduction_guide): Use INNERMOST_TEMPLATE_ARGS.
3517 (maybe_aggr_guide): Use the original template type where needed. In
3518 a class member template, partially instantiate the result of
3519 collect_ctor_idx_types.
3520 (do_class_deduction): Defer the deduction until the enclosing
3521 scope is non-dependent.
3523 2021-03-03 Jason Merrill <jason@redhat.com>
3525 PR c++/95675
3526 * call.c (build_temp): Wrap a CALL_EXPR in a TARGET_EXPR
3527 if it didn't get one before.
3529 2021-03-03 Nathan Sidwell <nathan@acm.org>
3531 PR c++/99344
3532 * module.cc (trees_out::decl_node): Small refactor.
3533 (depset::hash::add_binding_entity): Return true on meeting an
3534 import. Set namespace's import here.
3535 (module_state:write_namespaces): Inform of purview too.
3536 (module_state:read_namespaces): Adjust.
3537 * name-lookup.c (implicitly_export_namespace): Delete.
3538 (do_pushdecl): Don't call it.
3539 (push_namespace): Likewise, set purview.
3540 (add_imported_namespace): Reorder parms.
3541 * name-lookup.h (add_imported_namespace): Alter param ordering.
3543 2021-03-02 Martin Sebor <msebor@redhat.com>
3545 PR c++/99251
3546 * class.c (build_base_path): Call build_if_nonnull.
3547 * cp-tree.h (build_if_nonnull): Declare.
3548 * rtti.c (ifnonnull): Rename...
3549 (build_if_nonnull): ...to this. Set no-warning bit on COND_EXPR.
3550 (build_dynamic_cast_1): Adjust to name change.
3552 2021-03-02 Patrick Palka <ppalka@redhat.com>
3554 PR c++/96443
3555 PR c++/96960
3556 * constraint.cc (type_deducible_p): Don't substitute into the
3557 constraints, and instead just pass 'args' to do_auto_deduction
3558 as the outer template arguments.
3559 (tsubst_parameter_mapping): Remove confused code for handling
3560 placeholder type arguments.
3561 (normalize_placeholder_type_constraint): Define.
3562 (satisfy_constraint_expression): Use it to handle placeholder
3563 'auto' types.
3564 * cp-tree.h (PLACEHOLDER_TYPE_CONSTRAINTS_INFO): Define.
3565 (PLACEHOLDER_TYPE_CONSTRAINTS): Redefine in terms of the above.
3566 * pt.c (tsubst) <case TEMPLATE_TYPE_PARM>: Use
3567 PLACEHOLDER_TYPE_CONSTRAINTS_INFO instead.
3568 (make_constrained_placeholder_type): Set
3569 PLACEHOLDER_TYPE_CONSTRAINTS_INFO instead.
3570 (do_auto_deduction): Clarify comments about the outer_targs
3571 parameter. Rework satisfaction of a placeholder type constraint
3572 to pass in the complete set of template arguments directly to
3573 constraints_satisfied_p.
3574 (splice_late_return_type): Use PLACEHOLDER_TYPE_CONSTRAINTS_INFO
3575 instead. Also rebuild the the constraint info on the new auto.
3577 2021-03-02 Patrick Palka <ppalka@redhat.com>
3579 * constraint.cc (build_parameter_mapping): Rely on the caller to
3580 determine the in-scope template parameters.
3581 (norm_info::norm_info): Delegate the tsubst_flags_t constructor
3582 to the two-parameter constructor. In the two-parameter
3583 constructor, fold in the definition of make_context, set
3584 initial_parms appropriately, and don't set the now-removed
3585 orig_decl member.
3586 (norm_info::make_context): Remove, now that its only use is
3587 inlined into the caller.
3588 (norm_info::update_context): Adjust call to
3589 build_parameter_mapping to pass in the relevant set of in-scope
3590 template parameters.
3591 (norm_info::ctx_parms): Define this member function.
3592 (norm_info::context): Initialize to NULL_TREE.
3593 (norm_info::orig_decl): Remove this data member.
3594 (norm_info::initial_parms): Define this data member.
3595 (normalize_atom): Adjust call to build_parameter_mapping to pass
3596 in the relevant set of in-scope template parameters. Use
3597 info.initial_parms instead of info.orig_decl.
3598 (normalize_constraint_expression): Take a norm_info object
3599 instead of a bool. Cache the result of normalization.
3600 (tsubst_nested_requirement): Call satisfy_constraint_expression
3601 instead of satisfy_constraint, so that we normalize on demand.
3602 (satisfy_constraint_expression): Handle a NESTED_REQ argument.
3603 Adjust call to normalize_constraint_expression.
3604 (finish_nested_requirement): Set the TREE_TYPE of the NESTED_REQ
3605 to current_template_parms.
3606 (diagnose_nested_requirements): Go through
3607 satisfy_constraint_expression, as with tsubst_nested_requirement.
3609 2021-03-02 Patrick Palka <ppalka@redhat.com>
3611 * constraint.cc (tsubst_parameter_mapping): Canonicalize the
3612 arguments of a substituted TYPE_ARGUMENT_PACK even if we've
3613 started with a TYPE_ARGUMENT_PACK.
3614 (finish_requires_expr): Don't set DECL_CONTEXT and
3615 CONSTRAINT_VAR_P on each of the introduced parameters here.
3616 * parser.c (cp_parser_requirement_parameter_list): Instead set
3617 these fields earlier, here.
3618 * pt.c (do_auto_deduction): Canonicalize the result of
3619 do_auto_deduction. Pass 'complain' to finish_decltype_type.
3621 2021-03-02 Patrick Palka <ppalka@redhat.com>
3623 * constraint.cc (tsubst_simple_requirement): Just return
3624 boolean_true_node on success.
3625 (tsubst_type_requirement): Likewise.
3626 (tsubst_compound_requirement): Likewise.
3627 (tsubst_nested_requirement): Likewise.
3628 (tsubst_requirement_body): Remove.
3629 (check_constaint_variables): Rename to ...
3630 (check_constraint_variables): ... this.
3631 (tsubst_constraint_variables): Adjust.
3632 (tsubst_requires_expr): Fold tsubst_requirement_body into here.
3634 2021-03-01 Nathan Sidwell <nathan@acm.org>
3636 PR c++/99294
3637 * class.c (fixup_type_variants): Propagate mode, precision,
3638 alignment & emptiness.
3639 * module.cc (trees_out::type_node): Use TYPE_ALIGN_RAW.
3640 (trees_in::tree_node): Rematerialize alignment here.
3642 2021-02-27 Jason Merrill <jason@redhat.com>
3644 PR c++/90333
3645 * parser.c (cp_parser_lambda_declarator_opt): Accept GNU attributes
3646 between () and ->.
3648 2021-02-26 Jakub Jelinek <jakub@redhat.com>
3650 * parser.c (cp_parser_lambda_declarator_opt): Implement
3651 P1102R2 - Down with ()! Make ()s optional before lambda specifiers
3652 for -std={c,gnu}++2b or with pedwarn in earlier versions.
3654 2021-02-26 Jakub Jelinek <jakub@redhat.com>
3656 PR c++/95451
3657 * lambda.c (is_lambda_ignored_entity): Before checking for
3658 LAMBDA_FUNCTION_P, use OVL_FIRST. Drop FUNCTION_DECL check.
3660 2021-02-26 Jason Merrill <jason@redhat.com>
3662 PR c++/98810
3663 * pt.c (tsubst_copy) [VIEW_CONVERT_EXPR]: Add const
3664 to a class non-type template argument that needs it.
3666 2021-02-26 Patrick Palka <ppalka@redhat.com>
3668 PR c++/98990
3669 * pt.c (splice_late_return_type): Rebuild the entire return type
3670 if we have to adjust the level of an auto within.
3671 (type_uses_auto): Adjust call to find_type_usage.
3672 * type-utils.h (find_type_usage): Revert r10-6571 change that
3673 made this function return a pointer to the auto node.
3675 2021-02-25 Patrick Palka <ppalka@redhat.com>
3677 PR c++/99213
3678 PR c++/94521
3679 * error.c (dump_scope): Pass TFF_NO_TEMPLATE_BINDINGS instead of
3680 TFF_NO_FUNCTION_ARGUMENTS when dumping a function scope.
3682 2021-02-25 Patrick Palka <ppalka@redhat.com>
3684 PR c++/99103
3685 * pt.c (is_spec_or_derived): Drop cv-qualifiers from 'etype'.
3686 (maybe_aggr_guide): Fix order of arguments to is_spec_or_derived.
3688 2021-02-25 Marek Polacek <polacek@redhat.com>
3690 DR 1312
3691 PR c++/99176
3692 * constexpr.c (is_std_construct_at): New overload.
3693 (is_std_allocator_allocate): New overload.
3694 (cxx_eval_call_expression): Use the new overloads.
3695 (cxx_eval_constant_expression): Reject casting
3696 from void * as per DR 1312. Don't check can_convert.
3698 2021-02-25 Iain Sandoe <iain@sandoe.co.uk>
3700 PR c++/97587
3701 * coroutines.cc (struct param_info): Track rvalue refs.
3702 (morph_fn_to_coro): Track rvalue refs, and call the promise
3703 CTOR with the frame copy of passed parms.
3705 2021-02-25 Iain Sandoe <iain@sandoe.co.uk>
3707 PR c++/95822
3708 * coroutines.cc (morph_fn_to_coro): Unconditionally remove any
3709 set throwing_cleanup marker.
3711 2021-02-25 Nathan Sidwell <nathan@acm.org>
3713 PR c++/99166
3714 * module.cc (module_state::inform_cmi_p): Renamed field.
3715 (module_state::do_import): Adjust.
3716 (init_modules, finish_module_processing): Likewise.
3717 (handle_module_option): Likewise.
3719 2021-02-25 Nathan Sidwell <nathan@acm.org>
3721 PR c++/98318
3722 * mapper-client.cc (module_client::open_module_client): Fix typo
3723 of fd init.
3725 2021-02-24 Nathan Sidwell <nathan@acm.org>
3727 PR c++/98718
3728 * module.cc (ool): New indirection vector.
3729 (loc_spans::maybe_propagate): Location is not optional.
3730 (loc_spans::open): Likewise. Assert monotonically advancing.
3731 (module_for_ordinary_loc): Use ool indirection vector.
3732 (module_state::write_prepare_maps): Do not count empty macro
3733 expansions. Elide empty spans.
3734 (module_state::write_macro_maps): Skip empty expansions.
3735 (ool_cmp): New qsort comparator.
3736 (module_state::write): Create and destroy ool vector.
3737 (name_pending_imports): Fix dump push/pop.
3738 (preprocess_module): Likewise. Add more dumping.
3739 (preprocessed_module): Likewise.
3741 2021-02-24 Iain Sandoe <iain@sandoe.co.uk>
3743 PR c++/96251
3744 * coroutines.cc (coro_common_keyword_context_valid_p): Suppress
3745 error reporting when instantiating for a constexpr.
3747 2021-02-23 Nathan Sidwell <nathan@acm.org>
3749 PR c++/99208
3750 * decl.c (name_unnamed_type): Check DECL identity, not IDENTIFIER
3751 identity.
3753 2021-02-23 Patrick Palka <ppalka@redhat.com>
3755 PR c++/95468
3756 * pt.c (tsubst_copy_and_build) <case BASELINK>: New case, copied
3757 over from tsubst_copy.
3759 2021-02-23 Patrick Palka <ppalka@redhat.com>
3761 * pt.c (instantiation_dependent_expression_p): Check
3762 processing_template_decl before calling
3763 potential_constant_expression.
3765 2021-02-22 Nathan Sidwell <nathan@acm.org>
3767 PR c++/99174
3768 * module.cc (struct module_state): Add visited_p flag.
3769 (name_pending_imports): Use it to avoid duplicate requests.
3770 (preprocess_module): Don't read preprocessor state if we failed to
3771 load a module's config.
3773 2021-02-22 Nathan Sidwell <nathan@acm.org>
3775 PR c++/99153
3776 * decl.c (duplicate_decls): Move DECL_MODULE_IMPORT_P propagation
3777 to common-path.
3778 * module.cc (set_defining_module): Add assert.
3780 2021-02-19 Nathan Sidwell <nathan@acm.org>
3782 PR c++/98741
3783 * module.cc (pending_imports): New.
3784 (declare_module): Adjust test condition.
3785 (name_pending_imports): New.
3786 (preprocess_module): Reimplement using pending_imports.
3787 (preprocessed_module): Move name-getting to name_pending_imports.
3788 * name-lookup.c (append_imported_binding_slot): Assert module
3789 ordering is increasing.
3791 2021-02-19 Nathan Sidwell <nathan@acm.org>
3793 * module.cc (note_cmis): New.
3794 (struct module_state): Add inform_read_p bit.
3795 (module_state::do_import): Inform of CMI location, if enabled.
3796 (init_modules): Canonicalize note_cmis entries.
3797 (handle_module_option): Handle -flang-info-module-read=FOO.
3799 2021-02-19 Jason Merrill <jason@redhat.com>
3801 PR c++/96926
3802 * call.c (perfect_conversion_p): Limit rvalueness
3803 test to reference bindings.
3805 2021-02-19 Jason Merrill <jason@redhat.com>
3807 PR c++/96926
3808 * call.c (perfect_conversion_p): New.
3809 (perfect_candidate_p): New.
3810 (add_candidates): Ignore templates after a perfect non-template.
3812 2021-02-18 Nathan Sidwell <nathan@acm.org>
3814 PR c++/99023
3815 * module.cc (canonicalize_header_name): Use
3816 cpp_probe_header_unit.
3817 (maybe_translate_include): Fix note_includes comparison.
3818 (init_modules): Fix note_includes string termination.
3820 2021-02-18 Jakub Jelinek <jakub@redhat.com>
3822 PR c++/99132
3823 * cp-gimplify.c (cp_genericize_r) <case CALL_EXPR>: Use
3824 cp_get_callee_fndecl_nofold instead of cp_get_callee_fndecl to check
3825 for immediate function calls.
3827 2021-02-17 Nathan Sidwell <nathan@acm.org>
3829 PR c++/99023
3830 * module.cc (struct macro_export): Add GTY markers.
3831 (macro_exports): Likewise, us a va_gc Vector.
3833 2021-02-17 Jakub Jelinek <jakub@redhat.com>
3835 PR sanitizer/99106
3836 * init.c (build_zero_init_1): For flexible array members just return
3837 NULL_TREE instead of returning empty CONSTRUCTOR with non-complete
3838 ARRAY_TYPE.
3840 2021-02-17 Nathan Sidwell <nathan@acm.org>
3842 PR c++/99116
3843 * name-lookup.c (do_pushdecl): Don't peek under template_parm
3844 bindings here ...
3845 (set_identifier_type_value_with_scope): ... or here.
3846 (do_pushtag): Only set_identifier_type_value_with_scope at
3847 non-class template parm scope, and use parent scope.
3849 2021-02-17 Nathan Sidwell <nathan@acm.org>
3851 PR c++/99071
3852 * name-lookup.c (maybe_record_mergeable_decl): Deref the correct
3853 pointer.
3855 2021-02-17 Patrick Palka <ppalka@redhat.com>
3857 PR debug/96997
3858 PR c++/94034
3859 * tree.c (build_aggr_init_expr): Revert r10-7718 change.
3861 2021-02-12 Nathan Sidwell <nathan@acm.org>
3863 * module.cc (module_state::write_cluster): Check bindings for
3864 imported using-decls.
3866 2021-02-12 Nathan Sidwell <nathan@acm.org>
3868 PR c++/99040
3869 * module.cc (trees_in::decl_value): Call add_module_namespace_decl
3870 for new namespace-scope entities.
3871 (module_state::read_cluster): Don't call add_module_decl here.
3872 * name-lookup.h (add_module_decl): Rename to ...
3873 (add_module_namespace_decl): ... this.
3874 * name-lookup.c (newbinding_bookkeeping): Move into ...
3875 (do_pushdecl): ... here. Its only remaining caller.
3876 (add_module_decl): Rename to ...
3877 (add_module_namespace_decl): ... here. Add checking-assert for
3878 circularity. Don't call newbinding_bookkeeping, just extern_c
3879 checking and incomplete var checking.
3881 2021-02-12 Nathan Sidwell <nathan@acm.org>
3883 PR c++/99039
3884 PR c++/99040
3885 * cp-tree.h (CPTI_GLOBAL_TYPE): Delete.
3886 (global_type_node): Delete.
3887 (IDENTIFIER_TYPE_VALUE): Delete.
3888 (IDENTIFIER_HAS_TYPE_VALUE): Delete.
3889 (get_type_value): Delete.
3890 * name-lookup.h (identifier_type_value): Delete.
3891 * name-lookup.c (check_module_override): Don't
3892 SET_IDENTIFIER_TYPE_VALUE here.
3893 (do_pushdecl): Nor here.
3894 (identifier_type_value_1, identifier_type_value): Delete.
3895 (set_identifier_type_value_with_scope): Only
3896 SET_IDENTIFIER_TYPE_VALUE for local and class scopes.
3897 (pushdecl_nanmespace_level): Remove shadow stack nadgering.
3898 (do_pushtag): Use REAL_IDENTIFIER_TYPE_VALUE.
3899 * call.c (check_dtor_name): Use lookup_name.
3900 * decl.c (cxx_init_decl_processing): Drop global_type_node.
3901 * decl2.c (cplus_decl_attributes): Don't SET_IDENTIFIER_TYPE_VALUE
3902 here.
3903 * init.c (get_type_value): Delete.
3904 * pt.c (instantiate_class_template_1): Don't call pushtag or
3905 SET_IDENTIFIER_TYPE_VALUE here.
3906 (tsubst): Assert never an identifier.
3907 (dependent_type_p): Drop global_type_node assert.
3908 * typeck.c (error_args_num): Don't use IDENTIFIER_HAS_TYPE_VALUE
3909 to determine ctorness.
3911 2021-02-12 Jakub Jelinek <jakub@redhat.com>
3913 PR c++/97742
3914 * parser.c (cp_parser_requirement_seq): Stop iterating after reaching
3915 CPP_EOF.
3917 2021-02-12 Jason Merrill <jason@redhat.com>
3919 PR c++/97246
3920 PR c++/94546
3921 * pt.c (extract_fnparm_pack): Check DECL_PACK_P here.
3922 (register_parameter_specializations): Not here.
3924 2021-02-11 Marek Polacek <polacek@redhat.com>
3926 PR c++/95888
3927 * pt.c (lookup_template_class_1): Pass tf_none to tsubst when looking
3928 for the partial instantiation.
3930 2021-02-11 Jakub Jelinek <jakub@redhat.com>
3932 PR c++/99033
3933 * init.c (build_zero_init_1): Handle zero initialiation of
3934 flexible array members like initialization of [0] arrays.
3935 Use integer_minus_onep instead of comparison to integer_minus_one_node
3936 and integer_zerop instead of comparison against size_zero_node.
3937 Formatting fixes.
3939 2021-02-11 Marek Polacek <polacek@redhat.com>
3941 PR c++/99063
3942 * semantics.c (finish_do_stmt): Check for unexpanded parameter packs.
3944 2021-02-11 Patrick Palka <ppalka@redhat.com>
3946 PR c++/97582
3947 * name-lookup.c (op_unqualified_lookup): Handle an ambiguous
3948 lookup result by discarding it if the first element is a
3949 class-scope declaration, otherwise return it.
3950 (push_operator_bindings): Handle an ambiguous lookup result by
3951 doing push_local_binding on each element in the list.
3953 2021-02-11 Marek Polacek <polacek@redhat.com>
3955 * parser.c (cp_parser_selection_statement): Use vec_free.
3957 2021-02-10 Jakub Jelinek <jakub@redhat.com>
3959 PR c++/98988
3960 PR c++/99031
3961 * constexpr.c: Include cgraph.h.
3962 (cxx_eval_call_expression): Call varpool_node::finalize_decl on
3963 heap artificial vars.
3964 (cxx_eval_outermost_constant_expr): Remove varpool nodes for
3965 heap artificial vars.
3967 2021-02-10 Nathan Sidwell <nathan@acm.org>
3969 PR c++/99030
3970 * pt.c (tsubst_copy) [VAR_DECL]: For a DECL_LOCAL_DECL_P T is the
3971 answer if there's no local specialization.
3973 2021-02-09 Nathan Sidwell <nathan@acm.org>
3975 PR c++/98944
3976 * module.cc (module_state::is_rooted): Rename to ...
3977 (module_state::has_location): ... here. Adjust callers.
3978 (module_state::read_partitions): Adjust validity check.
3979 Don't overwrite a known location.
3981 2021-02-09 Jason Merrill <jason@redhat.com>
3983 PR c++/96905
3984 * pt.c (mark_decl_instantiated): Exit early if consteval.
3986 2021-02-09 Jason Merrill <jason@redhat.com>
3988 PR c++/98326
3989 PR c++/20408
3990 * cp-gimplify.c (simple_empty_class_p): Don't touch an invisiref
3991 parm.
3993 2021-02-09 Jason Merrill <jason@redhat.com>
3995 PR c++/98994
3996 PR c++/97566
3997 * constexpr.c (cxx_eval_store_expression): Only skip empty fields in
3998 RECORD_TYPE.
4000 2021-02-08 Nathan Sidwell <nathan@acm.org>
4002 * decl.c (start_cleanup_fn): Push function into
4003 namespace.
4005 2021-02-08 Nathan Sidwell <nathan@acm.org>
4007 PR c++/98531
4008 * cp-tree.h (push_abi_namespace, pop_abi_namespace): Declare.
4009 * decl.c (push_abi_namespace, pop_abi_namespace): Moved
4010 from rtti.c, add default namespace arg.
4011 (check_redeclaration_exception_specification): Allow a lazy
4012 builtin's eh spec to differ from an lready-declared user
4013 declaration.
4014 (declare_global_var): Use push/pop_abi_namespace.
4015 (get_atexit_node): Push the fndecl into a namespace.
4016 * rtti.c (push_abi_namespace, pop_abi_namespace): Moved to
4017 decl.c.
4019 2021-02-08 Marek Polacek <polacek@redhat.com>
4021 * cp-tree.h (CLASSTYPE_TI_TEMPLATE): Fix typo.
4023 2021-02-05 Marek Polacek <polacek@redhat.com>
4025 PR c++/98947
4026 * call.c (build_conditional_expr_1): Don't call mark_lvalue_use
4027 on arg2/arg3.
4028 * expr.c (mark_use) <case MODIFY_EXPR>: Don't check read_p when
4029 issuing the -Wvolatile warning. Only set TREE_THIS_VOLATILE if
4030 a warning was emitted.
4032 2021-02-05 Marek Polacek <polacek@redhat.com>
4034 PR c++/96462
4035 * name-lookup.c (lookup_using_decl): Hoist the destructor check.
4037 2021-02-05 Jakub Jelinek <jakub@redhat.com>
4039 PR c++/97878
4040 * decl.c (check_array_initializer): For structured bindings, require
4041 the array type to be complete.
4043 2021-02-04 Jason Merrill <jason@redhat.com>
4045 PR c++/98717
4046 * constraint.cc (build_concept_check_arguments): Remove assert.
4047 (build_concept_check): Allow empty args.
4049 2021-02-04 Tom Greenslade (thomgree) <thomgree@cisco.com>
4051 PR c++/90926
4052 * call.c (can_convert_array): Extend to handle all valid aggregate
4053 initializers of an array; including by string literals, not just by
4054 brace-init-list.
4055 (build_aggr_conv): Call can_convert_array more often, not just in
4056 brace-init-list case.
4057 * typeck2.c (array_string_literal_compatible_p): New function.
4058 (digest_init_r): call array_string_literal_compatible_p
4059 * cp-tree.h: (array_string_literal_compatible_p): Declare.
4061 2021-02-04 Jason Merrill <jason@redhat.com>
4063 PR c++/98802
4064 * pt.c (do_class_deduction): No aggregate guide if any_dguides_p.
4066 2021-02-04 Jason Merrill <jason@redhat.com>
4068 PR c++/95192
4069 * pt.c (tsubst_attribute): Handle error.
4070 (apply_late_template_attributes): Return false on error.
4071 (tsubst_function_decl): Check its return value.
4072 (tsubst_decl): Likewise.
4073 (push_template_decl): Assert current_template_parms.
4074 (tsubst_template_decl): Set current_template_parms.
4076 2021-02-03 Marek Polacek <polacek@redhat.com>
4078 PR c++/98951
4079 * call.c (struct z_candidate): Mark rewritten and reversed as const.
4080 (struct NonPublicField): Mark operator() as const.
4081 (struct NonTrivialField): Likewise.
4083 2021-02-03 Jason Merrill <jason@redhat.com>
4085 PR c++/98926
4086 PR c++/98570
4087 * pt.c (spec_hasher::equal): Set processing_template_decl.
4088 * Make-lang.in (check-g++-strict-gc): Add --param
4089 hash-table-verification-limit=10000.
4091 2021-02-03 Marek Polacek <polacek@redhat.com>
4093 PR c++/98899
4094 * parser.c (cp_parser_class_specifier_1): Use any possible
4095 DEFPARSE_INSTANTIATIONS to update DEFERRED_NOEXCEPT_PATTERN.
4096 (cp_parser_save_noexcept): Initialize DEFPARSE_INSTANTIATIONS.
4097 * pt.c (tsubst_exception_specification): Stash new_specs into
4098 DEFPARSE_INSTANTIATIONS.
4099 * tree.c (fixup_deferred_exception_variants): Use
4100 UNPARSED_NOEXCEPT_SPEC_P.
4102 2021-02-02 Jason Merrill <jason@redhat.com>
4104 PR c++/98929
4105 PR c++/96199
4106 * error.c (dump_expr): Ignore dummy object.
4107 * pt.c (tsubst_baselink): Handle dependent scope.
4109 2021-02-01 Patrick Palka <ppalka@redhat.com>
4111 PR c++/98295
4112 * constexpr.c (cxx_eval_array_reference): Also set
4113 new_ctx.object when setting new_ctx.ctor.
4115 2021-02-01 Marek Polacek <polacek@redhat.com>
4117 PR c++/98355
4118 * parser.c (cp_parser_has_attribute_expression): Use
4119 uses_template_parms instead of type_dependent_expression_p.
4121 2021-02-01 Jason Merrill <jason@redhat.com>
4123 PR c++/98570
4124 * cp-tree.h: Declare it.
4125 * pt.c (comparing_dependent_aliases): New flag.
4126 (template_args_equal, spec_hasher::equal): Set it.
4127 (dependent_alias_template_spec_p): Assert that we don't
4128 get non-types other than error_mark_node.
4129 (instantiate_alias_template): SET_TYPE_STRUCTURAL_EQUALITY
4130 on complex alias specializations. Set TYPE_DEPENDENT_P here.
4131 (tsubst_decl): Not here.
4132 * module.cc (module_state::read_cluster): Set
4133 comparing_dependent_aliases instead of
4134 comparing_specializations.
4135 * tree.c (cp_tree_equal): Remove comparing_specializations
4136 module handling.
4137 * typeck.c (structural_comptypes): Adjust.
4138 (comptypes): Remove comparing_specializations handling.
4140 2021-01-29 Nathan Sidwell <nathan@acm.org>
4142 PR c++/98843
4143 * module.cc (module_state_config): Add num_entities field.
4144 (module_state::read_entities): The entity_ary span is
4145 already allocated.
4146 (module_state::write_config): Write num_entities.
4147 (module_state::read_config): Read num_entities.
4148 (module_state::write): Set config's num_entities.
4149 (module_state::read_initial): Allocate the entity ary
4150 span here.
4151 (module_state::read_language): Do not set entity_lwm
4152 here.
4154 2021-01-29 Marek Polacek <polacek@redhat.com>
4156 PR c++/96137
4157 * parser.c (cp_parser_class_name): If parser->scope is
4158 error_mark_node, return it, otherwise continue.
4160 2021-01-28 Jakub Jelinek <jakub@redhat.com>
4162 PR c++/98841
4163 * typeck.c (build_x_indirect_ref): For *this, return current_class_ref.
4165 2021-01-28 Jakub Jelinek <jakub@redhat.com>
4167 PR c++/33661
4168 PR c++/98847
4169 * decl.c (cp_finish_decl): For register vars with asmspec in templates
4170 call set_user_assembler_name and set DECL_HARD_REGISTER.
4171 * pt.c (tsubst_expr): When instantiating DECL_HARD_REGISTER vars,
4172 pass asmspec_tree to cp_finish_decl.
4174 2021-01-28 Nathan Sidwell <nathan@acm.org>
4176 PR c++/98770
4177 * module.cc (trees_out::decl_value): Swap is_typedef & TYPE_NAME
4178 check order.
4179 (trees_in::decl_value): Do typedef frobbing only when installing
4180 a new typedef, adjust is_matching_decl call. Swap is_typedef
4181 & TYPE_NAME check.
4182 (trees_in::is_matching_decl): Add is_typedef parm. Adjust variable
4183 names and deal with typedef checking.
4185 2021-01-27 Jason Merrill <jason@redhat.com>
4187 PR c++/97874
4188 * name-lookup.c (lookup_using_decl): Clean up handling
4189 of dependency and inherited constructors.
4190 (finish_nonmember_using_decl): Handle DECL_DEPENDENT_P.
4191 * pt.c (tsubst_expr): Handle DECL_DEPENDENT_P.
4193 2021-01-26 Jason Merrill <jason@redhat.com>
4195 PR c++/97474
4196 * call.c (type_passed_as): Don't mark invisiref restrict.
4198 2021-01-26 Jason Merrill <jason@redhat.com>
4200 PR c++/97566
4201 PR c++/98463
4202 * class.c (layout_class_type): An empty field gets size 0.
4203 (is_empty_field): New.
4204 (check_bases): Check it.
4205 * cp-tree.h (is_empty_field): Declare it.
4206 * constexpr.c (cxx_eval_store_expression): Check it.
4207 (cx_check_missing_mem_inits): Likewise.
4208 * init.c (perform_member_init): Likewise.
4209 * typeck2.c (process_init_constructor_record): Likewise.
4211 2021-01-25 Martin Sebor <msebor@redhat.com>
4213 PR c++/98646
4214 * cvt.c (cp_fold_convert): Propagate TREE_NO_WARNING.
4216 2021-01-25 Jason Merrill <jason@redhat.com>
4218 PR c++/98463
4219 * constexpr.c (get_or_insert_ctor_field): Add check.
4220 (cxx_eval_store_expression): Handle discontinuity of refs.
4222 2021-01-23 Anthony Sharp <anthonysharp15@gmail.com>
4224 * call.c (complain_about_access): Altered function.
4225 * cp-tree.h (complain_about_access): Changed parameters of function.
4226 (get_parent_with_private_access): Declared new function.
4227 * search.c (get_parent_with_private_access): Defined new function.
4228 * semantics.c (enforce_access): Modified function.
4229 * typeck.c (complain_about_unrecognized_member): Updated function
4230 arguments in complain_about_access.
4232 2021-01-23 Patrick Palka <ppalka@redhat.com>
4234 PR c++/97399
4235 * cp-tree.h (shared_member_p): Adjust declaration.
4236 * parser.c (cp_parser_init_declarator): If the storage class
4237 specifier is sc_static, pass true for static_p to
4238 cp_parser_declarator.
4239 (cp_parser_direct_declarator): Don't do inject_this_parm when
4240 the declarator is a friend.
4241 * search.c (shared_member_p): Change return type to bool and
4242 adjust function body accordingly. Return false for a dependent
4243 USING_DECL instead of aborting.
4244 * semantics.c (finish_qualified_id_expr): Rely on shared_member_p
4245 even when type-dependent.
4247 2021-01-22 Marek Polacek <polacek@redhat.com>
4249 PR c++/96623
4250 * parser.c (inject_parm_decls): Remove a redundant assignment.
4251 (cp_parser_class_specifier_1): Clear current_class_{ptr,ref}
4252 before calling inject_parm_decls.
4254 2021-01-22 Jason Merrill <jason@redhat.com>
4256 PR c++/98744
4257 * call.c (make_base_init_ok): Use DECL_HAS_VTT_PARM_P.
4259 2021-01-22 Jakub Jelinek <jakub@redhat.com>
4261 PR sanitizer/95693
4262 * init.c (build_zero_init_1): Revert the 2018-03-06 change to
4263 return build_zero_cst for reference types.
4264 * typeck2.c (process_init_constructor_record): Instead call
4265 build_zero_cst here during error recovery instead of build_zero_init.
4267 2021-01-22 Marek Polacek <polacek@redhat.com>
4269 PR c++/98545
4270 * mangle.c (write_member_name): Emit abi_warn_or_compat_version_crosses
4271 warnings regardless of abi_version_at_least.
4272 (write_expression): When the expression is a dependent name
4273 and an operator name, write "on" before writing its name.
4275 2021-01-22 Marek Polacek <polacek@redhat.com>
4277 PR c++/97966
4278 * pt.c (instantiate_class_template_1): Instantiate members
4279 marked with attribute used only after we're done instantiating
4280 the class.
4282 2021-01-21 Patrick Palka <ppalka@redhat.com>
4284 PR c++/71879
4285 * semantics.c (finish_decltype_type): Set up a cp_unevaluated
4286 sentinel at the start of the function. Remove a now-redundant
4287 manual adjustment of cp_unevaluated_operand.
4289 2021-01-21 Nathan Sidwell <nathan@acm.org>
4291 PR c++/98624
4292 * module.cc (depset::hash::find_dependencies): Add
4293 module arg.
4294 (trees_out::core_vals): Check state before calling
4295 write_location.
4296 (sort_cluster, module_state::write): Adjust
4297 find_dependencies call.
4299 2021-01-21 Jakub Jelinek <jakub@redhat.com>
4301 PR c++/98672
4302 * constexpr.c (check_for_return_continue_data): Add break_stmt member.
4303 (check_for_return_continue): Also look for BREAK_STMT. Handle
4304 SWITCH_STMT by ignoring break_stmt from its body.
4305 (potential_constant_expression_1) <case FOR_STMT>,
4306 <case WHILE_STMT>: If the condition isn't constant true, check if
4307 the loop body can contain a return stmt.
4308 <case SWITCH_STMT>: Adjust check_for_return_continue_data initializer.
4309 <case IF_STMT>: If recursion with tf_none is successful,
4310 merge *jump_target from the branches - returns with highest priority,
4311 breaks or continues lower. If then branch is potentially constant and
4312 doesn't return, check the else branch if it could return, break or
4313 continue.
4315 2021-01-21 Nathan Sidwell <nathan@acm.org>
4317 PR c++/98530
4318 * name-lookup.c (lookup_class_binding): Rearrange a stat-hack.
4320 2021-01-20 Nathan Sidwell <nathan@acm.org>
4322 * module.cc (bytes_in::i, bytes_in::wi): Avoid left shift of
4323 signed type.
4325 2021-01-20 Patrick Palka <ppalka@redhat.com>
4327 PR c++/95434
4328 * pt.c (tsubst) <case TEMPLATE_TYPE_PARM>: If tsubsting
4329 CLASS_PLACEHOLDER_TEMPLATE yields a TEMPLATE_TEMPLATE_PARM,
4330 adjust to its TEMPLATE_TEMPLATE_PARM_TEMPLATE_DECL.
4332 2021-01-20 Patrick Palka <ppalka@redhat.com>
4334 PR c++/82613
4335 * parser.c (cp_parser_class_head): Defer access checking when
4336 parsing the base-clause until all bases are seen and attached
4337 to the class type.
4338 * pt.c (instantiate_class_template): Likewise when substituting
4339 into dependent bases.
4341 2021-01-20 Jakub Jelinek <jakub@redhat.com>
4343 PR c++/98742
4344 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_DETACH>: If
4345 error_operand_p, remove clause without further checking. Check
4346 for non-NULL TYPE_NAME.
4348 2021-01-19 Marek Polacek <polacek@redhat.com>
4350 PR c++/98659
4351 * pt.c (maybe_instantiate_noexcept): Return false if FN is
4352 error_mark_node.
4354 2021-01-19 Marek Polacek <polacek@redhat.com>
4356 PR c++/98687
4357 * name-lookup.c (push_using_decl_bindings): New, broken out of...
4358 (finish_nonmember_using_decl): ...here.
4359 * name-lookup.h (push_using_decl_bindings): Update declaration.
4360 * pt.c (tsubst_expr): Update the call to push_using_decl_bindings.
4362 2021-01-19 Patrick Palka <ppalka@redhat.com>
4364 PR c++/41437
4365 PR c++/58993
4366 * search.c (friend_accessible_p): If scope is a hidden friend
4367 defined inside a dependent class, consider access from the
4368 class.
4369 * parser.c (cp_parser_late_parsing_for_member): Don't push a
4370 dk_no_check access state.
4372 2021-01-19 Marek Polacek <polacek@redhat.com>
4374 PR c++/98333
4375 * parser.c (cp_parser_class_specifier_1): Perform late-parsing
4376 of NSDMIs before late-parsing of noexcept-specifiers.
4378 2021-01-19 Nathan Sidwell <nathan@acm.org>
4380 * module.cc (identifier): Merge overloads.
4382 2021-01-19 Nathan Sidwell <nathan@acm.org>
4384 PR c++/98624
4385 * module.cc (trees_out::write_location): Make static.
4387 2021-01-16 Kwok Cheung Yeung <kcy@codesourcery.com>
4389 * parser.c (cp_parser_omp_clause_detach): New.
4390 (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_DETACH.
4391 (OMP_TASK_CLAUSE_MASK): Add mask for PRAGMA_OMP_CLAUSE_DETACH.
4392 * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
4393 * semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
4394 Prevent use of detach with mergeable and overriding the data sharing
4395 mode of the event handle.
4397 2021-01-15 Nathan Sidwell <nathan@acm.org>
4399 PR c++/98538
4400 * tree.c (cp_build_qualified_type_real): Propagate an array's
4401 dependentness to the copy, if known.
4403 2021-01-15 Jason Merrill <jason@redhat.com>
4405 PR c++/98642
4406 * call.c (unsafe_return_slot_p): Return int.
4407 (init_by_return_slot_p): Split out from...
4408 (unsafe_copy_elision_p): ...here.
4409 (unsafe_copy_elision_p_opt): New name for old meaning.
4410 (build_over_call): Adjust.
4411 (make_safe_copy_elision): New.
4412 * typeck2.c (split_nonconstant_init_1): Elide copy from safe
4413 list-initialization.
4414 * cp-tree.h: Adjust.
4416 2021-01-15 Jason Merrill <jason@redhat.com>
4418 * call.c (base_ctor_for, make_base_init_ok): New.
4419 (build_over_call): Use make_base_init_ok.
4421 2021-01-15 Jason Merrill <jason@redhat.com>
4423 PR c++/63707
4424 * tree.c (build_vec_init_expr): Don't call build_vec_init_elt
4425 if we got a CONSTRUCTOR.
4427 2021-01-15 Nathan Sidwell <nathan@acm.org>
4429 PR c++/98591
4430 * lang-specs.h: Fix handling of -fmodule-only with -fsyntax-only.
4432 2021-01-14 Jason Merrill <jason@redhat.com>
4434 * typeck2.c (process_init_constructor_record): Use fldtype
4435 variable consistently.
4437 2021-01-14 Nathan Sidwell <nathan@acm.org>
4439 PR c++/98372
4440 * tree.c (cp_tree_equal): Correct map_context logic.
4442 2021-01-13 Marek Polacek <polacek@redhat.com>
4444 PR c++/98231
4445 * name-lookup.c (push_using_decl_bindings): New.
4446 * name-lookup.h (push_using_decl_bindings): Declare.
4447 * pt.c (tsubst_expr): Call push_using_decl_bindings.
4449 2021-01-13 Nathan Sidwell <nathan@acm.org>
4451 PR c++/98626
4452 * module.cc (module_add_import_initializers): Pass a
4453 zero-element argument vector.
4455 2021-01-12 Patrick Palka <ppalka@redhat.com>
4457 PR c++/98611
4458 * tree.c (cp_walk_subtrees) <case TEMPLATE_TYPE_PARM>: Visit
4459 the template of a CTAD placeholder.
4461 2021-01-12 Marek Polacek <polacek@redhat.com>
4463 PR c++/98620
4464 * typeck2.c (process_init_constructor_record): Don't emit
4465 -Wmissing-field-initializers warnings in unevaluated contexts.
4467 2021-01-11 Jakub Jelinek <jakub@redhat.com>
4469 PR c++/98481
4470 * class.c (find_abi_tags_r): Set *walk_subtrees to 2 instead of 1
4471 for types.
4472 (mark_abi_tags_r): Likewise.
4473 * decl2.c (min_vis_r): Likewise.
4474 * tree.c (cp_walk_subtrees): If *walk_subtrees_p is 2, look through
4475 typedefs.
4477 2021-01-08 Patrick Palka <ppalka@redhat.com>
4479 PR c++/98551
4480 * constexpr.c (cxx_eval_call_expression): Check CLASS_TYPE_P
4481 instead of AGGREGATE_TYPE_P before calling replace_result_decl.
4483 2021-01-08 Patrick Palka <ppalka@redhat.com>
4485 PR c++/98515
4486 * semantics.c (check_accessibility_of_qualified_id): Punt if
4487 we're checking access of a scoped non-static member inside a
4488 class template.
4490 2021-01-07 Jakub Jelinek <jakub@redhat.com>
4492 PR c++/98329
4493 * pt.c (tsubst_copy) <case BIT_CAST_EXPR>: Don't call
4494 cp_build_bit_cast here, instead just build_min a BIT_CAST_EXPR and set
4495 its location.
4496 (tsubst_copy_and_build): Handle BIT_CAST_EXPR.
4498 2021-01-07 Marek Polacek <polacek@redhat.com>
4500 PR c++/98441
4501 * decl.c (grokdeclarator): Move the !funcdecl_p check inside the
4502 !late_return_type block.
4504 2021-01-07 Jason Merrill <jason@redhat.com>
4506 * constexpr.c (cxx_bind_parameters_in_call): Add comment.
4507 (cxx_eval_store_expression): Add comment.
4509 2021-01-07 Jason Merrill <jason@redhat.com>
4511 * call.c (has_next): Factor out from...
4512 (next_conversion): ...here.
4513 (strip_standard_conversion): And here.
4514 (is_subseq): And here.
4515 (build_conv): Check it.
4516 (standard_conversion): Don't call build_conv
4517 for ck_identity.
4519 2021-01-06 Martin Sebor <msebor@redhat.com>
4521 PR c++/95768
4522 * error.c (dump_expr): Call c_pretty_printer::unary_expression.
4524 2021-01-05 Patrick Palka <ppalka@redhat.com>
4526 * pt.c (unify) <case TEMPLATE_PARM_INDEX>: After walking into
4527 the type of the NTTP, substitute into the type again. If the
4528 type is still dependent, don't unify the NTTP.
4530 2021-01-05 Jakub Jelinek <jakub@redhat.com>
4532 * Make-lang.in (cc1plus-checksum, cc1plus$(exeext): Add
4533 $(CODYLIB) after $(BACKEND).
4535 2021-01-05 Jakub Jelinek <jakub@redhat.com>
4537 PR c++/98469
4538 * constexpr.c (cxx_eval_constant_expression) <case BIT_CAST_EXPR>:
4539 Punt if lval is true.
4540 * semantics.c (cp_build_bit_cast): Call get_target_expr_sfinae on
4541 the result if it has a class type.
4543 2021-01-05 Marek Polacek <polacek@redhat.com>
4545 PR c++/82099
4546 * pt.c (resolve_overloaded_unification): Call
4547 maybe_instantiate_noexcept after instantiating the function
4548 decl.
4550 2021-01-05 Nathan Sidwell <nathan@acm.org>
4552 * parser.c (cp_parser_module_declaration): Alter diagnostic
4553 text to say where is permissable.
4555 2021-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4557 PR c++/98316
4558 * Make-lang.in (cc1plus$(exeext)): Add $(CODYLIB), $(NETLIBS).
4560 2021-01-02 Jan Hubicka <jh@suse.cz>
4562 * cp-tree.h (cp_tree_c_finish_parsing): Declare.
4563 * decl2.c (c_parse_final_cleanups): Call cp_tree_c_finish_parsing.
4564 * tree.c (cp_tree_c_finish_parsing): New function.
4566 2021-01-01 Jakub Jelinek <jakub@redhat.com>
4568 * ChangeLog-2020: Rotate ChangeLog. New file.
4570 \f
4571 Copyright (C) 2021 Free Software Foundation, Inc.
4573 Copying and distribution of this file, with or without modification,
4574 are permitted in any medium without royalty provided the copyright
4575 notice and this notice are preserved.