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1 2021-09-30 Patrick Palka <ppalka@redhat.com>
3 PR c++/102535
4 * method.c (is_xible_helper): Don't exit early for multi-arg
5 ctors in C++20.
7 2021-09-30 Patrick Palka <ppalka@redhat.com>
9 * parser.c (cp_parser_trait_expr): Call nreverse on the reversed
10 list of trailing arguments.
12 2021-09-30 Patrick Palka <ppalka@redhat.com>
14 PR c++/95567
15 * method.c (build_comparison_op): Skip DECL_VIRTUAL_P fields.
17 2021-09-28 Patrick Palka <ppalka@redhat.com>
19 PR c++/99909
20 * pt.c (coerce_template_template_parms): Keep
21 processing_template_decl set around the call to unify as well.
23 2021-09-28 Iain Sandoe <iain@sandoe.co.uk>
25 PR c++/102454
26 * coroutines.cc (analyze_fn_parms): Clean up synthetic names for
27 unnamed function params.
28 (morph_fn_to_coro): Do not try to set a guard variable for param
29 DTORs in the ramp, unless we have exceptions active.
31 2021-09-27 Patrick Palka <ppalka@redhat.com>
33 PR c++/102479
34 * pt.c (rewrite_template_parm): Handle single-level tsubst_args.
35 Avoid a tree cycle when assigning the DECL_TEMPLATE_PARMS for a
36 rewritten ttp.
37 (alias_ctad_tweaks): Set current_template_parms accordingly.
39 2021-09-23 Michel Morin <mimomorin@gmail.com>
41 * parser.c (cp_keyword_starts_decl_specifier_p): Do not
42 handle RID_ATTRIBUTE.
43 (cp_parser_constructor_declarator_p): Remove now-redundant
44 checks.
45 (cp_parser_lambda_declarator_opt): Likewise.
47 2021-09-23 Michel Morin <mimomorin@gmail.com>
49 PR c++/77565
50 * parser.c (cp_keyword_starts_decl_specifier_p): Handle more
51 decl-specifiers (typedef/inline/cv/explicit/virtual/friend).
53 2021-09-23 Patrick Palka <ppalka@redhat.com>
55 * ptree.c (cxx_print_decl): Dump the DECL_TEMPLATE_RESULT of
56 a TEMPLATE_DECL. Dump the DECL_TEMPLATE_INFO rather than just
57 printing its pointer value.
59 2021-09-23 Jakub Jelinek <jakub@redhat.com>
61 PR c++/102413
62 * parser.c (cp_parser_omp_directive_args): Diagnose if omp::directive
63 is not followed by a balanced token sequence starting with open paren.
65 2021-09-22 Patrick Palka <ppalka@redhat.com>
67 DR 2446
68 PR c++/102412
69 * constexpr.c (cxx_eval_constant_expression)
70 <case TEMPLATE_ID_EXPR>: Check value_dependent_expression_p
71 instead of processing_template_decl.
72 * pt.c (value_dependent_expression_p) <case TEMPLATE_ID_EXPR>:
73 Return true only if any_dependent_template_arguments_p.
74 (instantiation_dependent_r) <case CALL_EXPR>: Remove this case.
75 <case TEMPLATE_ID_EXPR>: Likewise.
77 2021-09-22 Jakub Jelinek <jakub@redhat.com>
79 * parser.c (cp_parser_omp_clause_allocate): Parse allocate clause
80 modifiers.
81 * semantics.c (finish_omp_clauses) <OMP_CLAUSE_ALLOCATE>: Perform
82 semantic analysis of OMP_CLAUSE_ALLOCATE_ALIGN.
83 * pt.c (tsubst_omp_clauses) <case OMP_CLAUSE_ALLOCATE>: Handle
84 also OMP_CLAUSE_ALLOCATE_ALIGN.
86 2021-09-22 Barrett Adair <barrettellisadair@gmail.com>
88 * pt.c (find_parm_usage_r): New walk_tree callback to find func
89 parms.
90 (any_template_arguments_need_structural_equality_p): New special
91 case.
93 2021-09-21 wangpc <pc.wang@linux.alibaba.com>
95 * decl.c (start_decl_1): Move verify_type_context to ...
96 (cp_finish_decl): ... to here.
98 2021-09-18 Jakub Jelinek <jakub@redhat.com>
100 * parser.c (cp_parser_omp_clause_order): Parse unconstrained
101 and reproducible modifiers.
102 (OMP_DISTRIBUTE_CLAUSE_MASK): Add order clause.
104 2021-09-18 Jakub Jelinek <jakub@redhat.com>
106 * parser.c (cp_parser_omp_clause_default): Handle private and
107 firstprivate arguments, adjust diagnostics on unknown argument.
108 * cp-gimplify.c (cxx_omp_finish_clause): Handle OMP_CLAUSE_PRIVATE.
110 2021-09-18 Jason Merrill <jason@redhat.com>
112 * cp-tree.h (dependentish_scope_p): Declare.
113 * pt.c (dependentish_scope_p): New.
114 * parser.c (cp_parser_lookup_name): Return a TYPENAME_TYPE
115 for lookup of a type in a dependent object.
116 (cp_parser_template_id): Handle TYPENAME_TYPE.
117 (cp_parser_template_name): If we're looking for a type,
118 a name followed by < names a template.
120 2021-09-18 Jason Merrill <jason@redhat.com>
122 * cp-tree.h: Fix typo in LANG_FLAG list.
124 2021-09-17 Jakub Jelinek <jakub@redhat.com>
126 * cp-tree.h (finish_omp_atomic): Add r and weak arguments.
127 * parser.c (cp_parser_omp_atomic): Update function comment for
128 OpenMP 5.1 atomics, parse OpenMP 5.1 atomics and fail, compare and
129 weak clauses.
130 * semantics.c (finish_omp_atomic): Add r and weak arguments, handle
131 them, handle COND_EXPRs.
132 * pt.c (tsubst_expr): Adjust for COND_EXPR forms that
133 finish_omp_atomic can now produce.
135 2021-09-16 Patrick Palka <ppalka@redhat.com>
137 PR c++/98486
138 * constraint.cc (get_normalized_constraints_from_decl): Always
139 look up constraints using the most general template.
140 * decl.c (grokdeclarator): Set constraints on a static data
141 member template.
142 * pt.c (determine_specialization): Check constraints on a
143 variable template.
145 2021-09-16 Iain Sandoe <iain@sandoe.co.uk>
147 * coroutines.cc (await_statement_walker): Code cleanups.
149 2021-09-16 Jason Merrill <jason@redhat.com>
151 * constexpr.c (cxx_eval_outermost_constant_expr): Use
152 protected_set_expr_location.
154 2021-09-15 Patrick Palka <ppalka@redhat.com>
156 PR c++/101904
157 * call.c (build_user_type_conversion_1): Add tf_conv to complain.
158 (add_candidates): When in a SFINAE context, instead of adding a
159 candidate to bad_fns just mark it unviable.
161 2021-09-15 Jason Merrill <jason@redhat.com>
163 * cp-tree.h (parsing_function_declarator): Declare.
164 * name-lookup.c (set_decl_context_in_fn): Use it.
165 * parser.c (cp_parser_direct_declarator): Use it.
166 (parsing_function_declarator): New.
168 2021-09-15 Jakub Jelinek <jakub@redhat.com>
170 PR c++/88578
171 PR c++/102295
172 * typeck2.c (split_nonconstant_init_1): Don't throw away empty
173 initializers of flexible array members if they have non-zero type
174 size.
176 2021-09-15 Patrick Palka <ppalka@redhat.com>
178 PR c++/102050
179 * decl.c (grok_special_member_properties): Set
180 TYPE_HAS_COPY_CTOR, TYPE_HAS_DEFAULT_CONSTRUCTOR
181 and TYPE_HAS_LIST_CTOR independently from each other.
183 2021-09-15 Jason Merrill <jason@redhat.com>
185 * decl.c (cxx_init_decl_processing): Only warn about odd
186 interference sizes if they were specified with --param.
188 2021-09-15 Jason Merrill <jason@redhat.com>
190 PR c++/48396
191 * cp-tree.h (enum cp_tree_index): Remove CPTI_TYPE_INFO_PTR_TYPE.
192 (type_info_ptr_type): Remove.
193 * rtti.c (init_rtti_processing): Don't predeclare std::type_info.
194 (typeid_ok_p): Check for null const_type_info_type_node.
195 (type_info_ptr_type, get_void_tinfo_ptr): New fns.
196 (get_tinfo_decl_dynamic, get_tinfo_ptr): Use them.
197 (ptr_initializer, ptm_initializer, get_pseudo_ti_init): Use them.
198 (get_tinfo_desc): Use const_ptr_type_node.
200 2021-09-15 Jason Merrill <jason@redhat.com>
202 * parser.c (cp_parser_template_name): Move object type.
203 (cp_parser_pre_parsed_nested_name_specifier): Likewise.
205 2021-09-15 Jason Merrill <jason@redhat.com>
207 * parser.c (cp_parser_unqualified_id): Only complain about ~A<T> in
208 a declarator.
210 2021-09-14 Iain Sandoe <iain@sandoe.co.uk>
212 * coroutines.cc (struct param_info): Add copy_var.
213 (build_actor_fn): Use simplified param references.
214 (register_param_uses): Likewise.
215 (rewrite_param_uses): Likewise.
216 (analyze_fn_parms): New function.
217 (coro_rewrite_function_body): Add proxies for the fn
218 parameters to the outer bind scope of the rewritten code.
219 (morph_fn_to_coro): Use simplified version of param ref.
221 2021-09-14 Iain Sandoe <iain@sandoe.co.uk>
223 * coroutines.cc (coro_resume_fn_id, coro_destroy_fn_id,
224 coro_promise_id, coro_frame_needs_free_id, coro_resume_index_id,
225 coro_self_handle_id, coro_actor_continue_id,
226 coro_frame_i_a_r_c_id): New.
227 (coro_init_identifiers): Initialize new name identifiers.
228 (coro_promise_type_found_p): Use pre-built identifiers.
229 (struct await_xform_data): Remove unused fields.
230 (transform_await_expr): Delete code that is now unused.
231 (build_actor_fn): Simplify interface, use pre-built identifiers and
232 remove transforms that are no longer needed.
233 (build_destroy_fn): Use revised field names.
234 (register_local_var_uses): Use pre-built identifiers.
235 (coro_rewrite_function_body): Simplify interface, use pre-built
236 identifiers. Generate proxy vars in the outer bind expr scope for the
237 implementation state that we wish to expose.
238 (morph_fn_to_coro): Adjust comments for new variable names, use pre-
239 built identifiers. Remove unused code to generate frame entries for
240 the implementation state. Adjust call for build_actor_fn.
242 2021-09-14 Patrick Palka <ppalka@redhat.com>
244 PR c++/102163
245 * constexpr.c (cxx_eval_call_expression): After evaluating a
246 subobject constructor call for an empty union member, produce a
247 side effect that makes sure the member gets activated.
249 2021-09-14 Jakub Jelinek <jakub@redhat.com>
251 PR c++/102295
252 * decl.c (layout_var_decl): For aggregates ending with a flexible
253 array member, add the size of the initializer for that member to
254 DECL_SIZE and DECL_SIZE_UNIT.
256 2021-09-14 Jakub Jelinek <jakub@redhat.com>
258 PR c++/102305
259 * method.c (is_xible_helper): Call complete_type on to.
261 2021-09-14 Jason Merrill <jason@redhat.com>
263 * decl.c (cxx_init_decl_processing): Don't warn if L1 cache line
264 size is smaller than maxalign.
266 2021-09-13 Jason Merrill <jason@redhat.com>
268 * constexpr.c (maybe_warn_about_constant_value):
269 Complain about std::hardware_destructive_interference_size.
270 (cxx_eval_constant_expression): Call it.
271 * decl.c (cxx_init_decl_processing): Check
272 --param *-interference-size values.
274 2021-09-13 Patrick Palka <ppalka@redhat.com>
276 PR c++/101764
277 * cp-tree.h (PACK_EXPANSION_FORCE_EXTRA_ARGS_P): New accessor
278 macro.
279 * pt.c (has_extra_args_mechanism_p): New function.
280 (find_parameter_pack_data::found_extra_args_tree_p): New data
281 member.
282 (find_parameter_packs_r): Set ppd->found_extra_args_tree_p
283 appropriately.
284 (make_pack_expansion): Set PACK_EXPANSION_FORCE_EXTRA_ARGS_P if
285 ppd.found_extra_args_tree_p.
286 (use_pack_expansion_extra_args_p): Return true if there were
287 unsubstituted packs and PACK_EXPANSION_FORCE_EXTRA_ARGS_P.
288 (tsubst_pack_expansion): Pass the pack expansion to
289 use_pack_expansion_extra_args_p.
291 2021-09-10 Jakub Jelinek <jakub@redhat.com>
293 * parser.c (cp_parser_omp_atomic): Allow acq_rel on atomic read/write
294 and acq_rel/acquire clauses on update.
295 * semantics.c (finish_omp_atomic): Adjust c_finish_omp_atomic caller.
297 2021-09-08 Richard Biener <rguenther@suse.de>
299 PR c++/102228
300 * cp-tree.h (ANON_AGGR_TYPE_FIELD): New define.
301 * decl.c (fixup_anonymous_aggr): Wipe RTTI info put in
302 place on invalid code.
303 * decl2.c (reset_type_linkage): Guard CLASSTYPE_TYPEINFO_VAR
304 access.
305 * module.cc (trees_in::read_class_def): Likewise. Reconstruct
306 ANON_AGGR_TYPE_FIELD.
307 * semantics.c (finish_member_declaration): Populate
308 ANON_AGGR_TYPE_FIELD for anon aggregate typed members.
309 * typeck.c (lookup_anon_field): Remove DFS search and return
310 ANON_AGGR_TYPE_FIELD directly.
312 2021-09-07 Jakub Jelinek <jakub@redhat.com>
314 PR c++/100495
315 * constexpr.c (maybe_save_constexpr_fundef): Save body even for
316 constexpr deleting dtors.
317 (cxx_eval_call_expression): Don't use DECL_CLONED_FUNCTION for
318 deleting dtors.
320 2021-09-07 Marcel Vollweiler <marcel@codesourcery.com>
322 * parser.c (cp_parser_omp_flush): Parse 'seq_cst' clause on 'flush'
323 directive.
324 * semantics.c (finish_omp_flush): Handle MEMMODEL_SEQ_CST.
326 2021-09-03 Iain Sandoe <iain@sandoe.co.uk>
328 * coroutines.cc (register_local_var_uses): Do not mangle
329 frame entries for the outermost scope. Record the outer
330 scope as nesting depth 0.
332 2021-09-03 Iain Sandoe <iain@sandoe.co.uk>
334 * coroutines.cc (coro_build_artificial_var): New.
335 (build_actor_fn): Use var builder, rename vars to use
336 implementation namespace.
337 (coro_rewrite_function_body): Likewise.
338 (morph_fn_to_coro): Likewise.
340 2021-09-03 Iain Sandoe <iain@sandoe.co.uk>
342 * coroutines.cc (transform_local_var_uses): Record
343 frame offset expressions as DECL_VALUE_EXPRs instead of
344 rewriting them.
346 2021-09-03 Patrick Palka <ppalka@redhat.com>
348 PR c++/101904
349 * call.c (build_this_conversion): New function, split out from
350 add_function_candidate.
351 (add_function_candidate): New parameter shortcut_bad_convs.
352 Document it. Use build_this_conversion. Stop at the first bad
353 argument conversion when shortcut_bad_convs is true.
354 (add_template_candidate_real): New parameter shortcut_bad_convs.
355 Use build_this_conversion to check the 'this' conversion before
356 attempting deduction. When the rejection reason code is
357 rr_bad_arg_conversion, pass -1 instead of 0 as the viable
358 parameter to add_candidate. Pass 'convs' to add_candidate.
359 (add_template_candidate): New parameter shortcut_bad_convs.
360 (add_template_conv_candidate): Pass false as shortcut_bad_convs
361 to add_template_candidate_real.
362 (add_candidates): Prefer to shortcut bad conversions during
363 overload resolution under the assumption that we'll eventually
364 see a strictly viable candidate. If this assumption turns out
365 to be false, re-process the non-strictly viable candidates
366 without shortcutting those bad conversions.
368 2021-09-03 Jason Merrill <jason@redhat.com>
370 * pt.c (limit_bad_template_recursion): Suppress -Wunused for decls
371 we decide not to instantiate.
373 2021-09-03 Jakub Jelinek <jakub@redhat.com>
375 PR target/102024
376 * class.c (build_base_field): Use SET_DECL_FIELD_ABI_IGNORED
377 instead of writing to DECL_FIELD_ABI_IGNORED.
378 (layout_class_type): Likewise. In the place where zero-width
379 bitfields used to be removed, use
380 SET_DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD on those fields instead.
382 2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
384 * call.c (build_over_call): Handle unavailable state in addition to
385 deprecation.
386 * class.c (type_build_ctor_call): Likewise.
387 (type_build_dtor_call): Likewise.
388 * cp-tree.h: Rename cp_warn_deprecated_use to
389 cp_handle_deprecated_or_unavailable.
390 * decl.c (duplicate_decls): Merge unavailability.
391 (grokdeclarator): Handle unavailability in addition to deprecation.
392 (type_is_unavailable): New.
393 (grokparms): Handle unavailability in addition to deprecation.
394 * decl.h (enum deprecated_states): Add
395 UNAVAILABLE_DEPRECATED_SUPPRESS.
396 * decl2.c (cplus_decl_attributes): Propagate unavailability to
397 templates.
398 (cp_warn_deprecated_use): Rename to ...
399 (cp_handle_deprecated_or_unavailable): ... this and amend to handle
400 the unavailable case. It remains a warning in the case of deprecation
401 but becomes an error in the case of unavailability.
402 (cp_warn_deprecated_use_scopes): Handle unavailability.
403 (mark_used): Likewise.
404 * parser.c (cp_parser_template_name): Likewise.
405 (cp_parser_template_argument): Likewise.
406 (cp_parser_parameter_declaration_list): Likewise.
407 * typeck.c (build_class_member_access_expr): Likewise.
408 (finish_class_member_access_expr): Likewise.
409 * typeck2.c (build_functional_cast_1): Likewise.
411 2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
413 * coroutines.cc (build_actor_fn): Add begin/finish clauses
414 to the initial test in the actor function.
416 2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
418 * coroutines.cc (await_statement_walker): Use build_stmt and
419 add_stmt instead of build1 and finish_expr_stmt.
421 2021-08-31 Jason Merrill <jason@redhat.com>
423 * coroutines.cc (flatten_await_stmt): Fix copyo.
424 * decl.c (reshape_init_class): Simplify.
425 * module.cc (module_state::read_language): Add null check.
426 * parser.c (build_range_temp): Avoid type_uses_auto.
427 (cp_parser_class_specifier_1): Add null check.
429 2021-08-31 Patrick Palka <ppalka@redhat.com>
431 PR c++/12672
432 * call.c (rejection_reason::call_varargs_p): Rename this
433 previously unused member to ...
434 (rejection_reason::least_p): ... this.
435 (arity_rejection): Add least_p parameter.
436 (add_template_candidate_real): When there are explicit
437 template arguments, check that the arity of the call agrees with
438 the arity of the function before attempting deduction.
439 (print_arity_information): Add least_p parameter.
440 (print_z_candidate): Adjust call to print_arity_information.
442 2021-08-31 Martin Sebor <msebor@redhat.com>
444 * parser.c (cp_parser_selection_statement): Use direct initialization
445 instead of copy.
447 2021-08-31 Jason Merrill <jason@redhat.com>
449 * constexpr.c (explain_invalid_constexpr_fn): Use iloc_sentinel.
451 2021-08-31 Jason Merrill <jason@redhat.com>
453 PR c++/92193
454 * cp-tree.h (FNDECL_MANIFESTLY_CONST_EVALUATED): New.
455 * constexpr.c (cxx_eval_call_expression): Set it.
456 * pt.c (neglectable_inst_p): Check it.
458 2021-08-31 Marcel Vollweiler <marcel@codesourcery.com>
460 * parser.c (cp_parser_omp_clause_device): Parse device-modifiers 'device_num'
461 and 'ancestor' in 'target device' clauses.
462 * semantics.c (finish_omp_clauses): Error handling. Constant device ids must
463 evaluate to '1' if 'ancestor' is used.
465 2021-08-30 Jason Merrill <jason@redhat.com>
467 PR c++/96286
468 * cp-tree.h (struct lang_type): Add erroneous bit-field.
469 (CLASSTYPE_ERRONEOUS): New.
470 * pt.c (limit_bad_template_recursion): Check it.
471 (instantiate_class_template_1): Set it.
473 2021-08-30 Jason Merrill <jason@redhat.com>
475 * constexpr.c (cxx_eval_outermost_constant_expr): Copy
476 expr location to result.
478 2021-08-30 Jason Merrill <jason@redhat.com>
480 PR c++/101460
481 * cp-tree.h (cxx_constant_value_sfinae): Declare.
482 * constexpr.c (cxx_constant_value_sfinae): New.
483 * pt.c (fold_targs_r, maybe_fold_fn_template_args): New.
484 (tsubst_copy_and_build) [CALL_EXPR]: Call
485 maybe_fold_fn_template_args.
487 2021-08-30 Jason Merrill <jason@redhat.com>
489 * parser.c (cp_parser_simple_requirement): Warn about missing
490 requires.
492 2021-08-27 Jason Merrill <jason@redhat.com>
494 * typeck2.c (build_x_arrow): Do set TREE_TYPE when operand is
495 a dependent pointer.
497 2021-08-25 Andrew Pinski <apinski@marvell.com>
499 PR c++/66590
500 * cp-objcp-common.c (cxx_block_may_fallthru): Handle
501 CLEANUP_STMT for the case which will be try/finally.
503 2021-08-25 Jakub Jelinek <jakub@redhat.com>
505 PR c++/102019
506 * init.c (build_value_init_noctor): Ignore unnamed zero-width
507 bitfields.
509 2021-08-23 Jakub Jelinek <jakub@redhat.com>
511 * parser.c (cp_parser_omp_clause_num_tasks,
512 cp_parser_omp_clause_grainsize): Parse the optional strict: modifier.
514 2021-08-20 Jakub Jelinek <jakub@redhat.com>
516 * parser.c (cp_parser_handle_statement_omp_attributes): Determine if
517 PRAGMA_OMP_ERROR directive is C_OMP_DIR_STANDALONE.
518 (cp_parser_omp_error): New function.
519 (cp_parser_pragma): Handle PRAGMA_OMP_ERROR.
521 2021-08-20 Jakub Jelinek <jakub@redhat.com>
523 * parser.c (cp_parser_omp_clause_depend_sink): Reject spurious
524 comma at the end of list. Don't parse closing paren here...
525 (cp_parser_omp_clause_depend): ... but here instead.
527 2021-08-19 Patrick Palka <ppalka@redhat.com>
529 PR c++/101803
530 * cp-tree.h (CONSTRUCTOR_IS_PAREN_INIT): Clarify comment.
532 2021-08-19 Jakub Jelinek <jakub@redhat.com>
534 * parser.c (cp_parser_omp_requires): Don't call cp_lexer_nth_token_is
535 and optionally consume token if current token is CPP_EOF,
536 CPP_PRAGMA_EOL or CPP_CLOSE_PAREN.
538 2021-08-19 Jakub Jelinek <jakub@redhat.com>
540 * parser.c (cp_parser_omp_nothing): Use cp_parser_require_pragma_eol
541 instead of cp_parser_skip_to_pragma_eol.
543 2021-08-18 Patrick Palka <ppalka@redhat.com>
545 PR c++/101344
546 PR c++/101803
547 * cp-tree.h (CONSTRUCTOR_BRACES_ELIDED_P): Define.
548 * decl.c (reshape_init_r): Set it.
549 * pt.c (collect_ctor_idx_types): Recurse into a sub-CONSTRUCTOR
550 iff CONSTRUCTOR_BRACES_ELIDED_P.
552 2021-08-18 Patrick Palka <ppalka@redhat.com>
554 PR c++/101883
555 * pt.c (convert_template_argument): Pass LOOKUP_IMPLICIT to
556 do_auto_deduction.
558 2021-08-18 Jakub Jelinek <jakub@redhat.com>
560 * parser.c (cp_parser_omp_nothing): New function.
561 (cp_parser_pragma): Handle PRAGMA_OMP_NOTHING.
563 2021-08-18 Jakub Jelinek <jakub@redhat.com>
565 * parser.c (cp_parser_omp_ordered): Return true instead of
566 false after emitting errors that the directive is not allowed in
567 pragma_stmt context.
568 (cp_parser_omp_target_update): Likewise.
569 (cp_parser_omp_cancellation_point): Change return type from void to
570 bool, return false if the directive should be ignored in pragma_stmt
571 contexts.
572 (cp_parser_omp_target_enter_data, cp_parser_omp_target_exit_data):
573 Change return type from tree to bool, return false if the
574 directive should be ignored in pragma_stmt contexts.
575 (cp_parser_omp_target): Adjust callers of cp_parser_omp_target_*_data,
576 return their result directly.
577 (cp_parser_pragma): For PRAGMA_OMP_CANCELLATION_POINT return what
578 cp_parser_omp_cancellation_point returned. Return true instead of
579 false after emitting errors that the directive is not allowed in
580 pragma_stmt context.
582 2021-08-17 Jakub Jelinek <jakub@redhat.com>
584 PR c++/101539
585 * cp-tree.h (enum cp_trait_kind): Add CPTK_IS_LAYOUT_COMPATIBLE.
586 (enum cp_built_in_function): Add CP_BUILT_IN_IS_CORRESPONDING_MEMBER.
587 (fold_builtin_is_corresponding_member, next_common_initial_seqence,
588 layout_compatible_type_p): Declare.
589 * parser.c (cp_parser_primary_expression): Handle
590 RID_IS_LAYOUT_COMPATIBLE.
591 (cp_parser_trait_expr): Likewise.
592 * cp-objcp-common.c (names_builtin_p): Likewise.
593 * constraint.cc (diagnose_trait_expr): Handle
594 CPTK_IS_LAYOUT_COMPATIBLE.
595 * decl.c (cxx_init_decl_processing): Register
596 __builtin_is_corresponding_member builtin.
597 * constexpr.c (cxx_eval_builtin_function_call): Handle
598 CP_BUILT_IN_IS_CORRESPONDING_MEMBER builtin.
599 * semantics.c (is_corresponding_member_union,
600 is_corresponding_member_aggr, fold_builtin_is_corresponding_member):
601 New functions.
602 (trait_expr_value): Handle CPTK_IS_LAYOUT_COMPATIBLE.
603 (finish_trait_expr): Likewise.
604 * typeck.c (next_common_initial_seqence, layout_compatible_type_p):
605 New functions.
606 * cp-gimplify.c (cp_gimplify_expr): Fold
607 CP_BUILT_IN_IS_CORRESPONDING_MEMBER.
608 (cp_fold): Likewise.
609 * tree.c (builtin_valid_in_constant_expr_p): Handle
610 CP_BUILT_IN_IS_CORRESPONDING_MEMBER.
611 * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
612 CPTK_IS_LAYOUT_COMPATIBLE.
613 * class.c (remove_zero_width_bit_fields): Remove.
614 (layout_class_type): Don't call it.
616 2021-08-17 Jakub Jelinek <jakub@redhat.com>
618 * parser.c (OMP_SCOPE_CLAUSE_MASK): Define.
619 (cp_parser_omp_scope): New function.
620 (cp_parser_omp_construct, cp_parser_pragma): Handle PRAGMA_OMP_SCOPE.
621 * pt.c (tsubst_expr): Handle OMP_SCOPE.
623 2021-08-12 Jakub Jelinek <jakub@redhat.com>
625 * parser.c (cp_parser_omp_clause_name): Parse filter clause name.
626 (cp_parser_omp_clause_filter): New function.
627 (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_FILTER.
628 (OMP_MASKED_CLAUSE_MASK): Define.
629 (cp_parser_omp_masked): New function.
630 (cp_parser_omp_parallel): Handle parallel masked.
631 (cp_parser_omp_construct, cp_parser_pragma): Handle PRAGMA_OMP_MASKED.
632 * semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_FILTER.
633 * pt.c (tsubst_omp_clauses): Likewise.
634 (tsubst_expr): Handle OMP_MASKED.
636 2021-08-12 Sergei Trofimovich <siarheit@google.com>
638 PR c++/101219
639 * pt.c (tsubst_copy_and_build): Use build_ptrmemfunc_access_expr
640 to construct ptrmemfunc expression instantiation.
642 2021-08-12 Tobias Burnus <tobias@codesourcery.com>
644 * parser.c (cp_parser_omp_clause_proc_bind): Accept
645 'primary' as alias for 'master'.
647 2021-08-12 Jakub Jelinek <jakub@redhat.com>
649 * cp-tree.h (omp_declare_target_attr): New type.
650 (struct saved_scope): Change type of omp_declare_target_attribute
651 from int to vec<omp_declare_target_attr, va_gc> * and move it.
652 * parser.c (cp_parser_omp_declare_target): Instead of
653 incrementing scope_chain->omp_declare_target_attribute, push
654 a struct containing parser->lexer->in_omp_attribute_pragma to
655 the vector.
656 (cp_parser_omp_end_declare_target): Instead of decrementing
657 scope_chain->omp_declare_target_attribute, pop a structure
658 from it. Diagnose mismatching declare target vs.
659 end declare target syntax.
660 * semantics.c (finish_translation_unit): Use vec_safe_length
661 and vec_safe_truncate on scope_chain->omp_declare_target_attributes.
662 * decl2.c (cplus_decl_attributes): Use vec_safe_length
663 on scope_chain->omp_declare_target_attributes.
665 2021-08-12 Jakub Jelinek <jakub@redhat.com>
667 * parser.c (cp_parser_lambda_body): Add temp overrides
668 for parser->{omp_declare_simd,oacc_routine,omp_attrs_forbidden_p}.
669 (cp_parser_statement): Restore parser->omp_attrs_forbidden_p for
670 cp_parser_declaration_statement.
671 (cp_parser_default_argument): Add temp override for
672 parser->omp_attrs_forbidden_p.
673 (cp_parser_late_parsing_omp_declare_simd): Diagnose declare simd
674 or declare variant in attribute syntax on a declaration immediately
675 following an OpenMP construct in pragma syntax.
677 2021-08-12 Jakub Jelinek <jakub@redhat.com>
679 PR c++/94162
680 * method.c (cat_tag_for): Return cc_last for !CLASS_TYPE_P
681 or for classes not in std namespace.
683 2021-08-12 Jakub Jelinek <jakub@redhat.com>
685 * name-lookup.c (finish_using_directive): Diagnose omp::directive
686 or omp::sequence attributes on using-directive.
688 2021-08-12 Jakub Jelinek <jakub@redhat.com>
690 * parser.c (cp_parser_block_declaration): Call
691 cp_parser_using_directive for C++11 attributes followed by
692 using namespace tokens.
693 (cp_parser_using_directive): Parse C++11 attributes at the start
694 of the directive rather than at the end, only parse GNU attributes
695 at the end.
697 2021-08-12 Patrick Palka <ppalka@redhat.com>
699 PR c++/101663
700 * constexpr.c (cxx_eval_store_expression): Handle the lval=true
701 case in the early exit code path for empty stores with mismatched
702 types.
704 2021-08-11 Patrick Palka <ppalka@redhat.com>
706 PR c++/101725
707 DR 2082
708 * cp-tree.h (unevaluated_p): Return true for REQUIRES_EXPR.
709 * decl.c (local_variable_p_walkfn): Don't walk into unevaluated
710 operands.
711 * parser.c (cp_parser_primary_expression) <case CPP_NAME>: Never
712 reject uses of local variables in unevaluated contexts.
713 * tree.c (cp_walk_subtrees) <case REQUIRES_EXPR>: Increment
714 cp_unevaluated_operand. Use cp_walk_tree directly instead of
715 WALK_SUBTREE to avoid the goto. Use REQUIRES_EXPR_REQS instead
716 of TREE_OPERAND directly.
718 2021-08-11 Jakub Jelinek <jakub@redhat.com>
720 PR c++/101786
721 * decl2.c (var_defined_without_dynamic_init): Return true for
722 DECL_DECLARED_CONSTINIT_P with complete type and trivial destructor.
724 2021-08-11 Patrick Palka <ppalka@redhat.com>
726 PR c++/79501
727 * parser.c (maybe_adjust_declarator_for_dguide): New, split
728 out from ...
729 (cp_parser_init_declarator): ... here.
730 (cp_parser_member_declaration): Use it.
732 2021-08-11 Patrick Palka <ppalka@redhat.com>
734 PR c++/89062
735 * parser.c (cp_parser_parameter_declaration_list): Don't call
736 grokdeclarator if cp_parser_error_occurred.
737 (cp_parser_parameter_declaration): Simulate an error if we see
738 the beginning of a CTAD form, i.e. if we see an opening brace
739 after the decl-specifier-seq and the type is a CTAD placeholder.
741 2021-08-10 Jakub Jelinek <jakub@redhat.com>
743 * parser.c (cp_parser_member_declaration): Move odsd declaration
744 before cp_parser_using_declaration call to avoid errors with
745 GCC 4.8 to 6.
747 2021-08-10 Jakub Jelinek <jakub@redhat.com>
749 * parser.h (struct cp_omp_declare_simd_data): Remove
750 in_omp_attribute_pragma and clauses members, add loc and attribs.
751 (struct cp_oacc_routine_data): Remove loc member, add clauses
752 member.
753 * parser.c (cp_finalize_omp_declare_simd): New function.
754 (cp_parser_handle_statement_omp_attributes): Mention in
755 function comment the function is used also for
756 attribute-declaration.
757 (cp_parser_handle_directive_omp_attributes): New function.
758 (cp_parser_statement): Don't call
759 cp_parser_handle_statement_omp_attributes if statement doesn't
760 have attribute-specifier-seq at the beginning at all or if
761 if those attributes don't appertain to the statement.
762 (cp_parser_simple_declaration): Call
763 cp_parser_handle_directive_omp_attributes and
764 cp_finalize_omp_declare_simd.
765 (cp_parser_explicit_instantiation): Likewise.
766 (cp_parser_init_declarator): Initialize prefix_attributes
767 only after parsing declarators.
768 (cp_parser_direct_declarator): Call
769 cp_parser_handle_directive_omp_attributes and
770 cp_finalize_omp_declare_simd.
771 (cp_parser_member_declaration): Likewise.
772 (cp_parser_single_declaration): Likewise.
773 (cp_parser_omp_declare_simd): Don't initialize
774 data.in_omp_attribute_pragma, instead initialize
775 data.attribs[0] and data.attribs[1].
776 (cp_finish_omp_declare_variant): Remove
777 in_omp_attribute_pragma argument, instead use
778 parser->lexer->in_omp_attribute_pragma.
779 (cp_parser_late_parsing_omp_declare_simd): Adjust
780 cp_finish_omp_declare_variant caller. Handle attribute-syntax
781 declare simd/variant.
783 2021-08-06 Tamar Christina <tamar.christina@arm.com>
785 * cp-objcp-common.h (cxx_simulate_enum_decl): Pass vec<> by pointer.
786 * decl.c (cxx_simulate_enum_decl): Likewise.
788 2021-08-04 Jakub Jelinek <jakub@redhat.com>
790 PR c++/101759
791 * parser.c (cp_parser_default_argument): Temporarily override
792 parser->omp_declare_simd and parser->oacc_routine to NULL.
794 2021-08-02 Patrick Palka <ppalka@redhat.com>
796 PR c++/100828
797 * logic.cc (formula::formula): Use emplace_back instead of
798 push_back.
799 (formula::branch): Insert a copy of m_current directly after
800 m_current instead of at the end of the list.
801 (formula::erase): Define.
802 (decompose_formula): Remove.
803 (decompose_antecedents): Remove.
804 (decompose_consequents): Remove.
805 (derive_proofs): Remove.
806 (max_problem_size): Remove.
807 (diagnose_constraint_size): Remove.
808 (subsumes_constraints_nonnull): Rewrite directly in terms of
809 decompose_clause and derive_proof, interleaving decomposition
810 with implication checking. Remove limit on constraint complexity.
811 Use formula::erase to free the current clause before moving on to
812 the next one.
814 2021-07-31 Jason Merrill <jason@redhat.com>
816 PR c++/96636
817 * decl.c (fixup_anonymous_aggr): Clear TYPE_NEEDS_CONSTRUCTING
818 after error.
820 2021-07-31 Jason Merrill <jason@redhat.com>
822 * ptree.c (cxx_print_type) [TYPE_PACK_EXPANSION]: Also print
823 PACK_EXPANSION_PATTERN.
825 2021-07-31 Jakub Jelinek <jakub@redhat.com>
827 * parser.c (cp_parser_declaration): Handle OpenMP directives
828 in attribute-declaration.
830 2021-07-30 Jakub Jelinek <jakub@redhat.com>
832 PR c++/101539
833 * cp-tree.h (enum cp_trait_kind): Add
834 CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
835 (enum cp_built_in_function): Add
836 CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS.
837 (fold_builtin_is_pointer_inverconvertible_with_class): Declare.
838 * parser.c (cp_parser_primary_expression): Handle
839 RID_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
840 (cp_parser_trait_expr): Likewise.
841 * cp-objcp-common.c (names_builtin_p): Likewise.
842 * constraint.cc (diagnose_trait_expr): Handle
843 CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
844 * decl.c (cxx_init_decl_processing): Register
845 __builtin_is_pointer_interconvertible_with_class builtin.
846 * constexpr.c (cxx_eval_builtin_function_call): Handle
847 CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS builtin.
848 * semantics.c (pointer_interconvertible_base_of_p,
849 first_nonstatic_data_member_p,
850 fold_builtin_is_pointer_inverconvertible_with_class): New functions.
851 (trait_expr_value): Handle CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
852 (finish_trait_expr): Likewise. Formatting fix.
853 * cp-gimplify.c (cp_gimplify_expr): Fold
854 CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS. Call
855 fndecl_built_in_p just once.
856 (cp_fold): Likewise.
857 * tree.c (builtin_valid_in_constant_expr_p): Handle
858 CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS. Call
859 fndecl_built_in_p just once.
860 * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
861 CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
863 2021-07-30 Jason Merrill <jason@redhat.com>
865 * class.c (finish_struct_anon): Improve comment.
866 * decl.c (fixup_anonymous_aggr): Reject anonymous struct
867 with bases.
869 2021-07-30 Jakub Jelinek <jakub@redhat.com>
871 * parser.c (cp_parser_statement): Rollback attributes not just
872 when std_attrs is non-NULL, but whenever
873 cp_parser_std_attribute_spec_seq parsed any tokens.
875 2021-07-30 Jakub Jelinek <jakub@redhat.com>
877 PR c++/101582
878 * parser.c (cp_parser_skip_std_attribute_spec_seq): Add a forward
879 declaration.
880 (cp_parser_declaration): Parse empty-declaration and
881 attribute-declaration.
882 (cp_parser_toplevel_declaration): Don't parse empty-declaration here.
884 2021-07-28 Martin Sebor <msebor@redhat.com>
886 * init.c: Include new header.
888 2021-07-27 Marek Polacek <polacek@redhat.com>
890 DR 1512
891 PR c++/99701
892 * cp-gimplify.c (cp_fold): Remove {LE,LT,GE,GT_EXPR} from
893 a switch.
894 * typeck.c (cp_build_binary_op): Reject ordered comparison
895 of two null pointers.
897 2021-07-26 Jakub Jelinek <jakub@redhat.com>
899 * parser.h (struct cp_lexer): Add orphan_p member.
900 * parser.c (cp_parser_statement): Don't change in_omp_attribute_pragma
901 upon restart from CPP_PRAGMA handling. Fix up condition when a lexer
902 should be destroyed and adjust saved_tokens if it records tokens from
903 the to be destroyed lexer.
904 (cp_parser_omp_section_scan): New function.
905 (cp_parser_omp_scan_loop_body): Use it. If
906 parser->lexer->in_omp_attribute_pragma, allow optional comma
907 after scan.
908 (cp_parser_omp_sections_scope): Use cp_parser_omp_section_scan.
910 2021-07-23 Jakub Jelinek <jakub@redhat.com>
912 * parser.h (struct cp_parser): Add omp_attrs_forbidden_p member.
913 * parser.c (cp_parser_handle_statement_omp_attributes): Diagnose
914 mixing of attribute and pragma syntax directives when seeing
915 omp::directive if parser->omp_attrs_forbidden_p or if attribute syntax
916 directives are followed by OpenMP pragma.
917 (cp_parser_statement): Clear parser->omp_attrs_forbidden_p after
918 the cp_parser_handle_statement_omp_attributes call.
919 (cp_parser_omp_structured_block): Add disallow_omp_attrs argument,
920 if true, set parser->omp_attrs_forbidden_p.
921 (cp_parser_omp_scan_loop_body, cp_parser_omp_sections_scope): Pass
922 false as disallow_omp_attrs to cp_parser_omp_structured_block.
923 (cp_parser_omp_parallel, cp_parser_omp_task): Set
924 parser->omp_attrs_forbidden_p.
926 2021-07-21 Thomas Schwinge <thomas@codesourcery.com>
927 Joseph Myers <joseph@codesourcery.com>
928 Cesar Philippidis <cesar@codesourcery.com>
930 * parser.c (cp_parser_omp_clause_name): Handle 'nohost'.
931 (cp_parser_oacc_all_clauses): Handle 'PRAGMA_OACC_CLAUSE_NOHOST'.
932 (OACC_ROUTINE_CLAUSE_MASK): Add 'PRAGMA_OACC_CLAUSE_NOHOST'.
933 * pt.c (tsubst_omp_clauses): Handle 'OMP_CLAUSE_NOHOST'.
934 * semantics.c (finish_omp_clauses): Likewise.
936 2021-07-21 Jakub Jelinek <jakub@redhat.com>
938 PR c++/101516
939 * semantics.c (finish_omp_reduction_clause): Also call
940 complete_type_or_else and return true if it fails.
942 2021-07-19 Iain Sandoe <iain@sandoe.co.uk>
944 PR c++/95520
945 * coroutines.cc (struct coroutine_info): Add fields for
946 actor and destroy function decls.
947 (to_ramp): New.
948 (coro_get_ramp_function): New.
949 (coro_get_actor_function): New.
950 (coro_get_destroy_function): New.
951 (act_des_fn): Set up mapping between ramp, actor and
952 destroy functions.
953 (morph_fn_to_coro): Adjust interface to the builder for
954 helper function decls.
955 * cp-tree.h (DECL_ACTOR_FN, DECL_DESTROY_FN, DECL_RAMP_FN,
956 JOIN_STR): New.
957 * mangle.c (write_encoding): Handle coroutine helpers.
958 (write_unqualified_name): Handle lambda coroutine helpers.
960 2021-07-16 Patrick Palka <ppalka@redhat.com>
962 PR c++/101233
963 * pt.c (alias_ctad_tweaks): Clear cp_unevaluated_operand for
964 substituting DECL_ARGUMENTS.
966 2021-07-16 Patrick Palka <ppalka@redhat.com>
968 DR 960
969 PR c++/99664
970 * search.c (check_final_overrider): Compare TYPE_REF_IS_RVALUE
971 when the return types are references.
973 2021-07-16 Marek Polacek <polacek@redhat.com>
975 * typeck2.c (check_narrowing): Don't suppress the pedantic error
976 in system headers.
978 2021-07-15 Jakub Jelinek <jakub@redhat.com>
980 PR c++/101443
981 * cp-gimplify.c (cp_fold): For comparisons with NULLPTR_TYPE
982 operands, fold them right away to true or false.
984 2021-07-15 Jason Merrill <jason@redhat.com>
986 PR c++/101095
987 * cp-objcp-common.c (cp_common_init_ts): Mark types as types.
988 (cp_tree_size): Remove redundant entries.
990 2021-07-14 Patrick Palka <ppalka@redhat.com>
992 PR c++/88252
993 * cp-tree.h (TEMPLATE_TYPE_PARM_FOR_CLASS): Remove.
994 * pt.c (push_template_decl): Remove TEMPLATE_TYPE_PARM_FOR_CLASS
995 handling.
996 (redeclare_class_template): Likewise.
997 (forwarding_reference_p): Define.
998 (maybe_adjust_types_for_deduction): Use it instead. Add 'tparms'
999 parameter.
1000 (unify_one_argument): Pass tparms to
1001 maybe_adjust_types_for_deduction.
1002 (try_one_overload): Likewise.
1003 (unify): Likewise.
1004 (rewrite_template_parm): Remove TEMPLATE_TYPE_PARM_FOR_CLASS
1005 handling.
1007 2021-07-14 Jason Merrill <jason@redhat.com>
1009 * class.c (struct find_final_overrider_data): Use auto_vec.
1010 (find_final_overrider): Remove explicit release.
1011 * coroutines.cc (process_conditional): Use auto_vec.
1012 * cp-gimplify.c (struct cp_genericize_data): Use auto_vec.
1013 (cp_genericize_tree): Remove explicit release.
1014 * parser.c (cp_parser_objc_at_property_declaration): Use
1015 auto_delete_vec.
1016 * semantics.c (omp_reduction_lookup): Use auto_vec.
1018 2021-07-14 Marek Polacek <polacek@redhat.com>
1020 PR c++/101371
1021 * constexpr.c (cxx_eval_array_reference): Create a new .object
1022 and .ctor for the non-aggregate non-scalar case too when
1023 value-initializing.
1025 2021-07-12 Patrick Palka <ppalka@redhat.com>
1027 PR c++/79501
1028 PR c++/100983
1029 * decl.c (grokfndecl): Don't require that deduction guides are
1030 declared at namespace scope. Check that class-scope deduction
1031 guides have the same access as the member class template.
1032 (grokdeclarator): Pretend class-scope deduction guides are static.
1033 * search.c (lookup_member): Don't use a BASELINK for (class-scope)
1034 deduction guides.
1036 2021-07-10 Patrick Palka <ppalka@redhat.com>
1038 PR c++/82110
1039 * init.c (build_aggr_init): Return error_mark_node if
1040 expand_aggr_init_1 returns false.
1041 (expand_default_init): Change return type to bool. Return false
1042 on error, true on success.
1043 (expand_aggr_init_1): Likewise.
1045 2021-07-09 Jason Merrill <jason@redhat.com>
1047 PR c++/101098
1048 * decl.c (function_requirements_equivalent_p): Only compare
1049 trailing requirements on a specialization.
1051 2021-07-09 Iain Sandoe <iain@sandoe.co.uk>
1053 * coroutines.cc (build_actor_fn): Move common code to
1054 act_des_fn.
1055 (build_destroy_fn): Likewise.
1056 (act_des_fn): Build the void return here. Ensure that the
1057 source location matches the original function.
1059 2021-07-09 Iain Sandoe <iain@sandoe.co.uk>
1061 * coroutines.cc
1062 (coro_rewrite_function_body): Connect the replacement
1063 function block to the block nest correctly.
1065 2021-07-09 Patrick Palka <ppalka@redhat.com>
1067 PR c++/101181
1068 * constraint.cc (tsubst_requires_expr): Pass complain/in_decl to
1069 add_extra_args.
1070 * cp-tree.h (add_extra_args): Add complain/in_decl parameters.
1071 * pt.c (build_extra_args): Make a copy of args.
1072 (add_extra_args): Add complain/in_decl parameters. Enable the
1073 code for handling the case where the extra arguments are
1074 dependent.
1075 (tsubst_pack_expansion): Pass complain/in_decl to
1076 add_extra_args.
1077 (tsubst_template_args): Handle missing template arguments.
1078 (tsubst_expr) <case IF_STMT>: Pass complain/in_decl to
1079 add_extra_args.
1081 2021-07-09 Patrick Palka <ppalka@redhat.com>
1083 PR c++/101247
1084 * pt.c (any_template_parm_r) <case TEMPLATE_DECL>: Just walk the
1085 DECL_CONTEXT.
1087 2021-07-08 Martin Sebor <msebor@redhat.com>
1089 PR bootstrap/101372
1090 * module.cc (identifier): Suppress warning.
1091 (module_state::read_macro_maps): Remove warning suppression.
1092 (module_state::install_macros): Ditto.
1094 2021-07-08 Marek Polacek <polacek@redhat.com>
1096 PR c++/101087
1097 * cp-tree.h (unevaluated_p): New.
1098 * except.c (check_noexcept_r): Use it. Don't walk into
1099 unevaluated operands.
1101 2021-07-08 Martin Sebor <msebor@redhat.com>
1103 PR bootstrap/101374
1104 * module.cc (module_state::read_macro_maps): Temporarily disable
1105 -Warray-bounds.
1106 (module_state::install_macros): Same.
1108 2021-07-06 Martin Sebor <msebor@redhat.com>
1110 * error.c (cp_printer): Remove support for %G and %K.
1112 2021-07-02 Jakub Jelinek <jakub@redhat.com>
1114 * parser.h (struct cp_lexer): Add in_omp_attribute_pragma member.
1115 (struct cp_omp_declare_simd_data): Likewise.
1116 * cp-tree.h (enum cp_tree_index): Add CPTI_OMP_IDENTIFIER.
1117 (omp_identifier): Define.
1118 * parser.c (cp_parser_skip_to_pragma_eol): Handle
1119 in_omp_attribute_pragma CPP_PRAGMA_EOL followed by CPP_EOF.
1120 (cp_parser_require_pragma_eol): Likewise.
1121 (struct cp_omp_attribute_data): New type.
1122 (cp_parser_handle_statement_omp_attributes): New function.
1123 (cp_parser_statement): Handle OpenMP directives in statement's
1124 attribute-specifier-seq.
1125 (cp_parser_omp_directive_args, cp_parser_omp_sequence_args): New
1126 functions.
1127 (cp_parser_std_attribute): Handle omp::directive and omp::sequence
1128 attributes.
1129 (cp_parser_omp_all_clauses): If in_omp_attribute_pragma, allow
1130 a comma also before the first clause.
1131 (cp_parser_omp_allocate): Likewise.
1132 (cp_parser_omp_atomic): Likewise.
1133 (cp_parser_omp_depobj): Likewise.
1134 (cp_parser_omp_flush): Likewise.
1135 (cp_parser_omp_ordered): Likewise.
1136 (cp_parser_omp_declare_simd): Save in_omp_attribute_pragma
1137 into struct cp_omp_declare_simd_data.
1138 (cp_finish_omp_declare_variant): Add in_omp_attribute_pragma
1139 argument. If set, allow a comma also before match clause.
1140 (cp_parser_late_parsing_omp_declare_simd): If in_omp_attribute_pragma,
1141 allow a comma also before the first clause. Adjust
1142 cp_finish_omp_declare_variant caller.
1143 (cp_parser_omp_declare_target): If in_omp_attribute_pragma, allow
1144 a comma also before the first clause.
1145 (cp_parser_omp_declare_reduction_exprs): Likewise.
1146 (cp_parser_omp_requires): Likewise.
1147 * decl.c (initialize_predefined_identifiers): Initialize
1148 omp_identifier.
1149 * decl2.c (cplus_decl_attributes): Reject omp::directive and
1150 omp::sequence attributes.
1152 2021-07-02 Jakub Jelinek <jakub@redhat.com>
1154 PR c/101297
1155 * parser.c (cp_parser_omp_atomic): Consume comma only if it
1156 appears before a CPP_NAME.
1158 2021-07-02 Patrick Palka <ppalka@redhat.com>
1160 PR c++/101247
1161 * pt.c (any_template_parm_r) <case TEMPLATE_DECL>: Rewrite to
1162 use common_enclosing_class and to not depend on the TREE_TYPE
1163 of outer levels pointing to the corresponding primary template.
1165 2021-07-01 Patrick Palka <ppalka@redhat.com>
1167 PR c++/101194
1168 * constexpr.c (cxx_eval_array_reference): When the element type
1169 is an empty type and the corresponding element is omitted, just
1170 return an empty CONSTRUCTOR instead of attempting value
1171 initialization.
1173 2021-07-01 Patrick Palka <ppalka@redhat.com>
1175 PR c++/96204
1176 * pt.c (finish_template_variable): Pass the partially
1177 instantiated template and its args to instantiate_template.
1178 (instantiate_class_template_1): No need to call
1179 push_nested_class and pop_nested_class around the call to
1180 most_specialized_partial_spec.
1181 (instantiate_template_1): Pass the partially instantiated
1182 template to lookup_template_variable.
1183 (most_specialized_partial_spec): Use push_access_scope_guard
1184 to set the access scope appropriately. Use
1185 deferring_access_check_sentinel to force access to get checked
1186 immediately.
1187 (instantiate_decl): Just pass the VAR_DECL to
1188 most_specialized_partial_spec.
1190 2021-06-30 Patrick Palka <ppalka@redhat.com>
1192 * constraint.cc (get_normalized_constraints_from_decl): Use
1193 push_access_scope_guard instead of push_nested_class_guard.
1194 * cp-tree.h (struct push_nested_class_guard): Replace with ...
1195 (struct push_access_scope_guard): ... this.
1196 * pt.c (push_access_scope): When the argument corresponds to
1197 a class type, push the class instead of its context.
1198 (pop_access_scope): Adjust accordingly.
1200 2021-06-30 Marek Polacek <polacek@redhat.com>
1202 PR c++/100975
1203 DR 2397
1204 * decl.c (create_array_type_for_decl): Allow array of auto.
1206 2021-06-29 Jason Merrill <jason@redhat.com>
1208 * pt.c (instantiate_decl): Only consider partial specializations of
1209 actual variable templates.
1211 2021-06-26 Patrick Palka <ppalka@redhat.com>
1213 PR c++/96204
1214 * pt.c (instantiate_class_template_1): Enter the scope of the
1215 type when calling most_specialized_partial_spec.
1217 2021-06-26 Jason Merrill <jason@redhat.com>
1219 PR c++/101040
1220 PR c++/97566
1221 * class.c (is_empty_field): Handle null argument.
1222 * constexpr.c (cxx_eval_bare_aggregate): Discard initializer
1223 for empty field.
1225 2021-06-26 Marek Polacek <polacek@redhat.com>
1227 PR c++/100752
1228 * parser.c (cp_parser_declarator): Pass flags down to
1229 cp_parser_declarator. Also pass static_p/member_p.
1231 2021-06-25 Martin Sebor <msebor@redhat.com>
1233 * call.c (build_over_call): Replace direct uses of TREE_NO_WARNING
1234 with warning_suppressed_p, suppress_warning, and copy_no_warning, or
1235 nothing if not necessary.
1236 (set_up_extended_ref_temp): Same.
1237 * class.c (layout_class_type): Same.
1238 * constraint.cc (constraint_satisfaction_value): Same.
1239 * coroutines.cc (finish_co_await_expr): Same.
1240 (finish_co_yield_expr): Same.
1241 (finish_co_return_stmt): Same.
1242 (build_actor_fn): Same.
1243 (coro_rewrite_function_body): Same.
1244 (morph_fn_to_coro): Same.
1245 * cp-gimplify.c (genericize_eh_spec_block): Same.
1246 (gimplify_expr_stmt): Same.
1247 (cp_genericize_r): Same.
1248 (cp_fold): Same.
1249 * cp-ubsan.c (cp_ubsan_instrument_vptr): Same.
1250 * cvt.c (cp_fold_convert): Same.
1251 (convert_to_void): Same.
1252 * decl.c (wrapup_namespace_globals): Same.
1253 (grokdeclarator): Same.
1254 (finish_function): Same.
1255 (require_deduced_type): Same.
1256 * decl2.c (no_linkage_error): Same.
1257 (c_parse_final_cleanups): Same.
1258 * except.c (expand_end_catch_block): Same.
1259 * init.c (build_new_1): Same.
1260 (build_new): Same.
1261 (build_vec_delete_1): Same.
1262 (build_vec_init): Same.
1263 (build_delete): Same.
1264 * method.c (defaultable_fn_check): Same.
1265 * parser.c (cp_parser_fold_expression): Same.
1266 (cp_parser_primary_expression): Same.
1267 * pt.c (push_tinst_level_loc): Same.
1268 (tsubst_copy): Same.
1269 (tsubst_omp_udr): Same.
1270 (tsubst_copy_and_build): Same.
1271 * rtti.c (build_if_nonnull): Same.
1272 * semantics.c (maybe_convert_cond): Same.
1273 (finish_return_stmt): Same.
1274 (finish_parenthesized_expr): Same.
1275 (cp_check_omp_declare_reduction): Same.
1276 * tree.c (build_cplus_array_type): Same.
1277 * typeck.c (build_ptrmemfunc_access_expr): Same.
1278 (cp_build_indirect_ref_1): Same.
1279 (cp_build_function_call_vec): Same.
1280 (warn_for_null_address): Same.
1281 (cp_build_binary_op): Same.
1282 (unary_complex_lvalue): Same.
1283 (cp_build_modify_expr): Same.
1284 (build_x_modify_expr): Same.
1285 (convert_for_assignment): Same.
1287 2021-06-24 Patrick Palka <ppalka@redhat.com>
1289 PR c++/98832
1290 * pt.c (maybe_aggr_guide): Handle alias templates appropriately.
1292 2021-06-24 Patrick Palka <ppalka@redhat.com>
1294 PR c++/101182
1295 * constraint.cc (evaluate_requires_expr): Adjust function comment.
1296 * cp-gimplify.c (cp_genericize_r) <case REQUIRES_EXPR>: Move to ...
1297 (cp_fold) <case REQUIRES_EXPR>: ... here.
1299 2021-06-24 Jakub Jelinek <jakub@redhat.com>
1301 * parser.c (cp_omp_split_clauses): Pass C_ORT_OMP_TARGET instead of
1302 C_ORT_OMP for clauses on target construct.
1303 (OMP_TARGET_CLAUSE_MASK): Add in_reduction clause.
1304 (cp_parser_omp_target): For non-combined target add
1305 map (always, tofrom:) clauses for OMP_CLAUSE_IN_REDUCTION. Pass
1306 C_ORT_OMP_TARGET to finish_omp_clauses.
1307 * semantics.c (handle_omp_array_sections_1): Adjust ort handling
1308 for addition of C_ORT_OMP_TARGET and simplify, mapping clauses are
1309 never present on C_ORT_*DECLARE_SIMD.
1310 (handle_omp_array_sections): Likewise.
1311 (finish_omp_clauses): Likewise. Handle OMP_CLAUSE_IN_REDUCTION
1312 on C_ORT_OMP_TARGET, set OMP_CLAUSE_MAP_IN_REDUCTION on
1313 corresponding map clauses.
1314 * pt.c (tsubst_expr): Pass C_ORT_OMP_TARGET instead of C_ORT_OMP for
1315 clauses on target construct.
1317 2021-06-23 Patrick Palka <ppalka@redhat.com>
1319 PR c++/101174
1320 * pt.c (push_access_scope): For artificial deduction guides,
1321 set the access scope to that of the constructor.
1322 (pop_access_scope): Likewise.
1323 (build_deduction_guide): Don't set DECL_CONTEXT on the guide.
1325 2021-06-23 Patrick Palka <ppalka@redhat.com>
1327 PR c++/86439
1328 * call.c (print_error_for_call_failure): Constify 'args' parameter.
1329 (perform_dguide_overload_resolution): Define.
1330 * cp-tree.h: (perform_dguide_overload_resolution): Declare.
1331 * pt.c (do_class_deduction): Use perform_dguide_overload_resolution
1332 instead of build_new_function_call. Don't use tf_decltype or
1333 set cp_unevaluated_operand. Remove unnecessary NULL_TREE tests.
1335 2021-06-21 Patrick Palka <ppalka@redhat.com>
1337 PR c++/67302
1338 * typeck.c (check_return_expr): Call maybe_undo_parenthesized_ref
1339 sooner, before the NRVO handling.
1341 2021-06-21 Patrick Palka <ppalka@redhat.com>
1343 PR c++/80431
1344 * tree.c (bot_replace): Use convert_to_base to build the
1345 conversion to the (morally) virtual base.
1347 2021-06-21 Jakub Jelinek <jakub@redhat.com>
1349 PR inline-asm/100785
1350 * typeck.c (cxx_mark_addressable): Diagnose trying to make
1351 bit-fields addressable.
1353 2021-06-17 Jason Merrill <jason@redhat.com>
1355 PR c++/101106
1356 * decl.c (duplicate_decls): Make 'deleted after first declaration'
1357 pedwarn on by default.
1359 2021-06-17 Jason Merrill <jason@redhat.com>
1361 PR c++/101029
1362 * init.c (build_vec_init): Preserve the type of base.
1364 2021-06-16 Jason Merrill <jason@redhat.com>
1366 PR c++/101078
1367 PR c++/91706
1368 * pt.c (tsubst_baselink): Update binfos in non-dependent case.
1370 2021-06-15 Robin Dapp <rdapp@linux.ibm.com>
1372 * decl.c (duplicate_decls): Likewise.
1374 2021-06-14 Tobias Burnus <tobias@codesourcery.com>
1376 PR c/100913
1377 * parser.c (cp_parser_omp_clause_affinity): No need to set iterator
1378 var in the error case.
1380 2021-06-13 Trevor Saunders <tbsaunde@tbsaunde.org>
1382 * constexpr.c (cxx_eval_call_expression): Iterate over vec<>
1383 with range based for.
1384 (cxx_eval_store_expression): Likewise.
1385 (cxx_eval_loop_expr): Likewise.
1386 * decl.c (wrapup_namespace_globals): Likewise.
1387 (cp_finish_decl): Likewise.
1388 (cxx_simulate_enum_decl): Likewise.
1389 * parser.c (cp_parser_postfix_expression): Likewise.
1391 2021-06-12 Jason Merrill <jason@redhat.com>
1393 PR c++/101029
1394 * init.c (build_vec_init): Shortcut [0] case.
1396 2021-06-12 Jason Merrill <jason@redhat.com>
1398 * pt.c (lookup_template_class_1): Shortcut current_class_type.
1400 2021-06-11 Patrick Palka <ppalka@redhat.com>
1402 DR 1227
1403 PR c++/96560
1404 * pt.c (tsubst_arg_types): Rearrange so that we substitute into
1405 TYPE_ARG_TYPES in forward order while short circuiting
1406 appropriately. Adjust formatting.
1408 2021-06-11 Jakub Jelinek <jakub@redhat.com>
1410 PR c++/100974
1411 * cp-tree.h (struct saved_scope): Add consteval_if_p
1412 member. Formatting fix for the discarded_stmt comment.
1413 (in_consteval_if_p, IF_STMT_CONSTEVAL_P): Define.
1414 * parser.c (cp_parser_lambda_expression): Temporarily disable
1415 in_consteval_if_p when parsing lambda body.
1416 (cp_parser_selection_statement): Parse consteval if.
1417 * decl.c (struct named_label_entry): Add in_consteval_if member.
1418 (level_for_consteval_if): New function.
1419 (poplevel_named_label_1, check_previous_goto_1, check_goto): Handle
1420 consteval if.
1421 * constexpr.c (cxx_eval_builtin_function_call): Clarify in comment
1422 why CP_BUILT_IN_IS_CONSTANT_EVALUATED needs to *non_constant_p
1423 for !ctx->manifestly_const_eval.
1424 (cxx_eval_conditional_expression): For IF_STMT_CONSTEVAL_P evaluate
1425 condition as if it was __builtin_is_constant_evaluated call.
1426 (potential_constant_expression_1): For IF_STMT_CONSTEVAL_P always
1427 recurse on both branches.
1428 * cp-gimplify.c (genericize_if_stmt): Genericize IF_STMT_CONSTEVAL_P
1429 as the else branch.
1430 * pt.c (tsubst_expr) <case IF_STMT>: Copy IF_STMT_CONSTEVAL_P.
1431 Temporarily set in_consteval_if_p when recursing on
1432 IF_STMT_CONSTEVAL_P then branch.
1433 (tsubst_lambda_expr): Temporarily disable
1434 in_consteval_if_p when instantiating lambda body.
1435 * call.c (immediate_invocation_p): Return false when
1436 in_consteval_if_p.
1438 2021-06-11 Marek Polacek <polacek@redhat.com>
1440 PR c++/100995
1441 * constexpr.c (maybe_constexpr_fn): New.
1442 * cp-tree.h (maybe_constexpr_fn): Declare.
1443 * semantics.c (find_std_constant_evaluated_r): New.
1444 (maybe_warn_for_constant_evaluated): New.
1445 (finish_if_stmt_cond): Call it.
1447 2021-06-10 Patrick Palka <ppalka@redhat.com>
1449 PR c++/67829
1450 * pt.c (unify) <case BOUND_TEMPLATE_TEMPLATE_PARM>: When
1451 the TEMPLATE_DECL of a BOUND_TEMPLATE_TEMPLATE_PARM argument is
1452 a template template parameter, adjust to the
1453 TEMPLATE_TEMPLATE_PARAMETER before falling through.
1455 2021-06-10 Patrick Palka <ppalka@redhat.com>
1457 PR c++/100946
1458 * constraint.cc (normalize_placeholder_type_constraints): When
1459 normalizing a non-templated return-type-requirement, add a dummy
1460 level to initial_parms.
1462 2021-06-08 Marek Polacek <polacek@redhat.com>
1464 PR c++/100065
1465 * decl.c (grokdeclarator): Store a value-dependent
1466 explicit-specifier even for deduction guides.
1468 2021-06-08 Jason Merrill <jason@redhat.com>
1470 * parser.c (cp_parser_string_literal): Adjust diagnostic.
1472 2021-06-08 Jason Merrill <jason@redhat.com>
1474 PR c++/100963
1475 * call.c (perfect_conversion_p): Check check_narrowing.
1477 2021-06-08 Jason Merrill <jason@redhat.com>
1479 PR c++/91706
1480 * name-lookup.c (get_class_binding): Keep a BASELINK.
1481 (set_inherited_value_binding_p): Adjust.
1482 * lambda.c (is_lambda_ignored_entity): Adjust.
1483 * pt.c (lookup_template_function): Copy a BASELINK before
1484 modifying it.
1486 2021-06-08 Jason Merrill <jason@redhat.com>
1488 PR c++/91706
1489 * semantics.c (baselink_for_fns): Fix BASELINK_BINFO.
1491 2021-06-08 Jason Merrill <jason@redhat.com>
1493 * module.cc (duplicate_hash::hash): Comment out.
1494 (trees_in::tree_value): Adjust loop counter.
1496 2021-06-08 Jason Merrill <jason@redhat.com>
1498 PR c++/100102
1499 * init.c (build_offset_ref): Return the BASELINK for a static
1500 member function.
1502 2021-06-07 Patrick Palka <ppalka@redhat.com>
1504 PR c++/100918
1505 * parser.c (cp_parser_lookup_name): Check access of the lookup
1506 result before we potentially adjust an injected-class-name to
1507 its TEMPLATE_DECL.
1509 2021-06-06 Jakub Jelinek <jakub@redhat.com>
1511 PR c/100902
1512 * parser.c (cp_parser_omp_target): Call c_omp_adjust_map_clauses
1513 even when target is combined with other constructs.
1515 2021-06-04 Patrick Palka <ppalka@redhat.com>
1517 PR c++/100893
1518 * pt.c (convert_template_argument): Strip top-level cv-quals
1519 on the substituted type of a non-type template parameter.
1521 2021-06-04 Patrick Palka <ppalka@redhat.com>
1523 PR c++/100102
1524 * pt.c (tsubst_function_decl): Remove old code for reducing
1525 args when it has excess levels.
1527 2021-06-04 Jakub Jelinek <jakub@redhat.com>
1529 PR c++/100872
1530 * name-lookup.c (maybe_save_operator_binding): Add op_attr after all
1531 ATTR_IS_DEPENDENT attributes in the DECL_ATTRIBUTES list rather than
1532 to the start.
1534 2021-06-03 Patrick Palka <ppalka@redhat.com>
1536 PR c++/100592
1537 * decl.c (make_typename_type): After calling
1538 lookup_template_class, adjust the result to its TYPE_NAME and
1539 then consider the tf_keep_type_decl flag.
1541 2021-06-03 Patrick Palka <ppalka@redhat.com>
1543 PR c++/100862
1544 * pt.c (set_current_access_from_decl): Move to ...
1545 * class.c (set_current_access_from_decl): ... here.
1546 (handle_using_decl): Use it to propagate the access of the
1547 using-enum decl to the copy of the imported enumerator.
1548 * cp-tree.h (set_current_access_from_decl): Declare.
1549 * decl.c (build_enumerator): Simplify using make_temp_override
1550 and set_current_access_from_decl.
1552 2021-06-03 Jakub Jelinek <jakub@redhat.com>
1554 PR c++/100859
1555 * semantics.c (handle_omp_array_sections_1): For
1556 OMP_CLAUSE_{AFFINITY,DEPEND} handle FIELD_DECL base using
1557 finish_non_static_data_member and allow this as base.
1558 (finish_omp_clauses): Move OMP_CLAUSE_AFFINITY
1559 after depend only cases. Let this be diagnosed by !lvalue_p
1560 case for OMP_CLAUSE_{AFFINITY,DEPEND} and remove useless
1561 assert.
1562 * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_AFFINITY.
1564 2021-06-02 Jason Merrill <jason@redhat.com>
1566 PR c++/100838
1567 * call.c (convert_like_internal): Clear tf_no_cleanup when
1568 recursing.
1569 (build_user_type_conversion_1): Only add ck_rvalue if
1570 LOOKUP_ONLYCONVERTING.
1572 2021-06-01 Patrick Palka <ppalka@redhat.com>
1574 PR c++/65816
1575 * init.c (expand_aggr_init_1): Check
1576 type_has_non_user_provided_default_constructor instead of
1577 type_has_user_provided_constructor.
1579 2021-06-01 Jason Merrill <jason@redhat.com>
1581 PR c++/91859
1582 * call.c (build_op_delete_call): Don't set CALL_FROM_NEW_OR_DELETE_P
1583 for destroying delete.
1584 * init.c (build_delete): Don't clobber before destroying delete.
1586 2021-06-01 Jason Merrill <jason@redhat.com>
1588 PR c++/94492
1589 * decl2.c (cp_warn_deprecated_use): Check warning_enabled_at.
1591 2021-05-31 Richard Biener <rguenther@suse.de>
1593 PR c++/88601
1594 * cp-objcp-common.c (names_builtin_p): Handle
1595 RID_BUILTIN_SHUFFLEVECTOR.
1596 * cp-tree.h (build_x_shufflevector): Declare.
1597 * parser.c (cp_parser_postfix_expression): Handle
1598 RID_BUILTIN_SHUFFLEVECTOR.
1599 * pt.c (tsubst_copy_and_build): Handle IFN_SHUFFLEVECTOR.
1600 * typeck.c (build_x_shufflevector): Build either a lowered
1601 VEC_PERM_EXPR or an unlowered shufflevector via a temporary
1602 internal function IFN_SHUFFLEVECTOR.
1604 2021-05-28 Jason Merrill <jason@redhat.com>
1606 * constexpr.c (build_data_member_initialization): Use tsi_range.
1607 (build_constexpr_constructor_member_initializers): Likewise.
1608 (constexpr_fn_retval, cxx_eval_statement_list): Likewise.
1609 (potential_constant_expression_1): Likewise.
1610 * coroutines.cc (await_statement_expander): Likewise.
1611 (await_statement_walker): Likewise.
1612 * module.cc (trees_out::core_vals): Likewise.
1613 * pt.c (tsubst_expr): Likewise.
1614 * semantics.c (set_cleanup_locs): Likewise.
1616 2021-05-28 Jason Merrill <jason@redhat.com>
1618 PR c++/100797
1619 PR c++/95719
1620 * call.c (build_over_call): Adjust base_binfo in
1621 resolves_to_fixed_type_p case.
1623 2021-05-28 Jakub Jelinek <jakub@redhat.com>
1625 PR middle-end/99928
1626 * semantics.c (handle_omp_array_sections): Copy
1627 OMP_CLAUSE_MAP_IMPLICIT.
1628 (finish_omp_clauses): Move not just OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT
1629 marked clauses last, but also OMP_CLAUSE_MAP_IMPLICIT. Add
1630 map_firstprivate_head bitmap, set it for GOMP_MAP_FIRSTPRIVATE_POINTER
1631 maps and silently remove OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT if it is
1632 present too. For OMP_CLAUSE_MAP_IMPLICIT silently remove the clause
1633 if present in map_head, map_field_head or map_firstprivate_head
1634 bitmaps.
1636 2021-05-28 Tobias Burnus <tobias@codesourcery.com>
1638 * parser.c (cp_parser_omp_clause_affinity): New.
1639 (cp_parser_omp_clause_name, cp_parser_omp_var_list_no_open,
1640 cp_parser_omp_all_clauses, OMP_TASK_CLAUSE_MASK): Handle affinity
1641 clause.
1642 * semantics.c (handle_omp_array_sections_1, handle_omp_array_sections,
1643 finish_omp_clauses): Likewise.
1645 2021-05-27 Matthias Kretz <kretz@kde.org>
1647 PR c++/100716
1648 * error.c (dump_template_bindings): Include code to print
1649 "[with" and ']', conditional on whether anything is printed at
1650 all. This is tied to whether a semicolon is needed to separate
1651 multiple template parameters. If the template argument repeats
1652 the template parameter (T = T), then skip the parameter.
1653 (dump_substitution): Moved code to print "[with" and ']' to
1654 dump_template_bindings.
1655 (dump_function_decl): Partial revert of PR50828, which masked
1656 TFF_TEMPLATE_NAME for all of dump_function_decl. Now
1657 TFF_TEMPLATE_NAME is masked for the scope of the function and
1658 only carries through to dump_function_name.
1659 (dump_function_name): Avoid calling dump_template_parms if
1660 TFF_TEMPLATE_NAME is set.
1662 2021-05-27 Matthias Kretz <kretz@kde.org>
1664 PR c++/100763
1665 * error.c: Call dump_scope when printing a typedef.
1667 2021-05-27 Patrick Palka <ppalka@redhat.com>
1669 PR c++/99893
1670 * tree.c (cp_walk_subtrees) <case STATIC_ASSERT>: New case.
1672 2021-05-27 Jason Merrill <jason@redhat.com>
1674 PR c++/86355
1675 * pt.c (use_pack_expansion_extra_args_p): Don't compare
1676 args from the same argument pack.
1678 2021-05-27 Patrick Palka <ppalka@redhat.com>
1680 DR 1315
1681 PR c++/67593
1682 PR c++/96555
1683 * pt.c (process_partial_specialization): Don't error on a
1684 non-simple non-type template argument that involves template
1685 parameters.
1686 (for_each_template_parm_r): Don't walk TRAIT_EXPR, PLUS_EXPR,
1687 MULT_EXPR, or SCOPE_REF when include_nondeduced_p is false.
1689 2021-05-26 Patrick Palka <ppalka@redhat.com>
1691 PR c++/100502
1692 * typeck.c (finish_class_member_access_expr): Disable ahead
1693 of time access checking during the member lookup.
1695 2021-05-26 Patrick Palka <ppalka@redhat.com>
1697 PR c++/100368
1698 * tree.c (build_target_expr_with_type): Don't call force_rvalue
1699 on CALL_EXPR initializer. Simplify now that bot_manip is no
1700 longer a caller.
1701 (bot_manip): Use force_target_expr instead of
1702 build_target_expr_with_type.
1704 2021-05-26 Patrick Palka <ppalka@redhat.com>
1706 PR c++/97420
1707 * cvt.c (noexcept_conv_p): Remove redundant checks and simplify.
1708 (fnptr_conv_p): Don't call non_reference. Use INDIRECT_TYPE_P
1709 instead of TYPE_PTR_P.
1710 * pt.c (convert_nontype_argument_function): Look through
1711 implicit INDIRECT_REFs before calling strip_fnptr_conv.
1713 2021-05-25 Jakub Jelinek <jakub@redhat.com>
1715 PR c++/100666
1716 * call.c (convert_arg_to_ellipsis): For expressions with NULLPTR_TYPE
1717 and side-effects, temporarily disable -Wunused-result warning when
1718 building COMPOUND_EXPR.
1720 2021-05-21 Jakub Jelinek <jakub@redhat.com>
1722 PR middle-end/99928
1723 * semantics.c (finish_omp_clauses): Move firstprivate clauses with
1724 OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT to the end of the chain. Don't error
1725 if a decl is mentioned both in map clause and in such firstprivate
1726 clause unless OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET is also set.
1728 2021-05-20 Jason Merrill <jason@redhat.com>
1730 * call.c (reference_binding): Check for designator.
1731 (implicit_conversion_1, build_special_member_call): Likewise.
1732 * decl.c (reshape_init_r): Likewise.
1733 * pt.c (do_class_deduction): Likewise.
1734 * typeck2.c (digest_init_r): Likewise.
1736 2021-05-20 Jason Merrill <jason@redhat.com>
1738 PR c++/100489
1739 * decl.c (reshape_init_class): Handle designator for
1740 member of anonymous aggregate here.
1741 * typeck2.c (process_init_constructor_record): Not here.
1743 2021-05-20 Jonathan Wakely <jwakely@redhat.com>
1745 * call.c (maybe_warn_array_conv): Use new warning option.
1746 * decl.c (mark_inline_variable, grokdeclarator): Likewise.
1747 * error.c (maybe_warn_cpp0x): Likewise.
1748 * parser.c (cp_parser_primary_expression)
1749 (cp_parser_unqualified_id)
1750 (cp_parser_pseudo_destructor_name)
1751 (cp_parser_lambda_introducer)
1752 (cp_parser_lambda_declarator_opt)
1753 (cp_parser_selection_statement)
1754 (cp_parser_init_statement)
1755 (cp_parser_decomposition_declaration)
1756 (cp_parser_function_specifier_opt)
1757 (cp_parser_static_assert)
1758 (cp_parser_namespace_definition)
1759 (cp_parser_using_declaration)
1760 (cp_parser_asm_definition)
1761 (cp_parser_ctor_initializer_opt_and_function_body)
1762 (cp_parser_initializer_list)
1763 (cp_parser_type_parameter_key)
1764 (cp_parser_member_declaration)
1765 (cp_parser_try_block)
1766 (cp_parser_std_attribute_spec): Likewise.
1767 * pt.c (check_template_variable): Likewise.
1769 2021-05-20 Jason Merrill <jason@redhat.com>
1771 PR c++/100634
1772 * pt.c (invalid_nontype_parm_type_p): Return true for COMPLEX_TYPE.
1774 2021-05-20 Jason Merrill <jason@redhat.com>
1776 PR c++/100659
1777 * cp-tree.h (CONST_DECL_USING_P): Check for null TREE_TYPE.
1779 2021-05-19 Jason Merrill <jason@redhat.com>
1781 PR c++/100367
1782 PR c++/96299
1783 * method.c (genericize_spaceship): Use fold_build2 for scalar
1784 operands.
1786 2021-05-19 Jason Merrill <jason@redhat.com>
1788 * pt.c (build_deduction_guide): Treat the implicit deduction guide
1789 as a member of the class.
1791 2021-05-19 Marek Polacek <polacek@redhat.com>
1793 PR c++/100596
1794 * cp-tree.h (any_non_type_attribute_p): Remove.
1795 * decl.c (grokdeclarator): Turn an error into a warning and only
1796 warn for standard attributes.
1797 * decl2.c (any_non_type_attribute_p): Remove.
1798 * parser.c (cp_parser_elaborated_type_specifier): Turn an error
1799 into a warning and only warn for standard attributes.
1800 (cp_parser_member_declaration): Likewise.
1802 2021-05-19 Martin Liska <mliska@suse.cz>
1804 PR testsuite/100658
1805 * mangle.c (write_encoding): Fix typos.
1807 2021-05-19 Jakub Jelinek <jakub@redhat.com>
1809 PR middle-end/99928
1810 * parser.c (cp_parser_omp_master): Set OMP_MASTER_COMBINED on
1811 master when combined with taskloop.
1812 (cp_parser_omp_parallel): Don't set OMP_PARALLEL_COMBINED on
1813 parallel master when not combined with taskloop.
1815 2021-05-19 Jason Merrill <jason@redhat.com>
1817 PR c++/100261
1818 * rtti.c (get_tinfo_decl_direct): Check TYPE_TRANSPARENT_AGGR.
1820 2021-05-19 Jason Merrill <jason@redhat.com>
1822 PR c++/100372
1823 * tree.c (strip_typedefs): Only look at the pattern of a
1824 TYPE_PACK_EXPANSION if it's a type.
1826 2021-05-18 Marek Polacek <polacek@redhat.com>
1828 * class.c (classtype_has_non_deleted_copy_ctor): Remove.
1829 * constraint.cc (contains_wildcard_p): Likewise.
1830 (get_template_head_requirements): Likewise.
1831 (check_constrained_friend): Likewise.
1832 (subsumes_constraints): Likewise.
1833 * cp-tree.h (classtype_has_non_deleted_copy_ctor): Likewise.
1834 (push_void_library_fn): Likewise.
1835 (get_pattern_parm): Likewise.
1836 (get_template_parms_at_level): Likewise.
1837 (lambda_return_type): Likewise.
1838 (get_template_head_requirements): Likewise.
1839 (check_constrained_friend): Likewise.
1840 (subsumes_constraints): Likewise.
1841 * decl.c (push_void_library_fn): Likewise.
1842 * lambda.c (lambda_return_type): Likewise.
1843 * pt.c (get_template_parms_at_level): Likewise.
1844 (get_pattern_parm): Likewise.
1846 2021-05-18 Jason Merrill <jason@redhat.com>
1848 PR c++/100644
1849 * call.c (perfect_candidate_p): An implicitly deleted move
1850 is not perfect.
1852 2021-05-18 Andreas Krebbel <krebbel@linux.ibm.com>
1854 PR c++/100281
1855 * cvt.c (cp_convert_to_pointer): Use the size of the target
1856 pointer type.
1857 * tree.c (cp_build_reference_type): Call
1858 cp_build_reference_type_for_mode with VOIDmode.
1859 (cp_build_reference_type_for_mode): Rename from
1860 cp_build_reference_type. Add MODE argument and invoke
1861 build_reference_type_for_mode.
1862 (strip_typedefs): Use build_pointer_type_for_mode and
1863 cp_build_reference_type_for_mode for pointers and references.
1865 2021-05-17 Jonathan Wakely <jwakely@redhat.com>
1867 PR c++/100635
1868 * call.c (convert_like_internal): Print different diagnostic if
1869 the lvalue reference is const.
1871 2021-05-14 Jason Merrill <jason@redhat.com>
1873 PR c++/95870
1874 * pt.c (enclosing_instantiation_of): Just compare
1875 DECL_SOURCE_LOCATION.
1876 (regenerate_decl_from_template): Copy DECL_SOURCE_LOCATION.
1878 2021-05-14 Marek Polacek <polacek@redhat.com>
1879 Jason Merrill <jason@redhat.com>
1881 PR c++/99032
1882 * cp-tree.h (any_non_type_attribute_p): Declare.
1883 * decl.c (grokdeclarator): Diagnose when an attribute appertains to
1884 a friend declaration that is not a definition.
1885 * decl2.c (any_non_type_attribute_p): New.
1886 * parser.c (cp_parser_decl_specifier_seq): Diagnose standard attributes
1887 in the middle of decl-specifiers.
1888 (cp_parser_elaborated_type_specifier): Diagnose when an attribute
1889 appertains to a friend declaration that is not a definition.
1890 (cp_parser_member_declaration): Likewise.
1892 2021-05-12 Marek Polacek <polacek@redhat.com>
1894 * pt.c (tsubst_copy_and_build): Add warn_int_in_bool_context
1895 sentinel.
1897 2021-05-12 Marcel Vollweiler <marcel@codesourcery.com>
1899 * parser.c (cp_parser_omp_clause_map): Support map-type-modifier
1900 'close'.
1902 2021-05-11 Jason Merrill <jason@redhat.com>
1904 PR c++/100517
1905 * typeck.c (build_reinterpret_cast_1): Check intype on
1906 cast to vector.
1908 2021-05-11 Patrick Palka <ppalka@redhat.com>
1910 PR c++/51577
1911 * name-lookup.c (maybe_save_operator_binding): Unconditionally
1912 enable for all function templates, not just generic lambdas.
1913 Handle compound-assignment operator expressions.
1914 * typeck.c (build_x_compound_expr): Call maybe_save_operator_binding
1915 in the type-dependent case.
1916 (build_x_modify_expr): Likewise. Move declaration of 'op' closer
1917 to its first use.
1919 2021-05-11 Patrick Palka <ppalka@redhat.com>
1921 PR c++/100138
1922 * constraint.cc (tsubst_constraint): Set up cp_unevaluated.
1923 (satisfy_atom): Set up iloc_sentinel before calling
1924 cxx_constant_value.
1925 * pt.c (tsubst_pack_expansion): When returning a rebuilt pack
1926 expansion, carry over PACK_EXPANSION_LOCAL_P and
1927 PACK_EXPANSION_SIZEOF_P from the original pack expansion.
1929 2021-05-10 Richard Biener <rguenther@suse.de>
1931 PR middle-end/100464
1932 PR c++/100468
1933 * call.c (set_up_extended_ref_temp): Mark the temporary
1934 addressable if the TARGET_EXPR was.
1936 2021-05-10 Martin Liska <mliska@suse.cz>
1938 * decl.c (duplicate_decls): Use startswith
1939 function instead of strncmp.
1940 (cxx_builtin_function): Likewise.
1941 (omp_declare_variant_finalize_one): Likewise.
1942 (grokfndecl): Likewise.
1943 * error.c (dump_decl_name): Likewise.
1944 * mangle.c (find_decomp_unqualified_name): Likewise.
1945 (write_guarded_var_name): Likewise.
1946 (decl_tls_wrapper_p): Likewise.
1947 * parser.c (cp_parser_simple_type_specifier): Likewise.
1948 (cp_parser_tx_qualifier_opt): Likewise.
1949 * pt.c (template_parm_object_p): Likewise.
1950 (dguide_name_p): Likewise.
1952 2021-05-10 Martin Liska <mliska@suse.cz>
1954 PR c++/99616
1955 * decl.c (grokdeclarator): Remove redundant NULL check.
1957 2021-05-07 Jason Merrill <jason@redhat.com>
1959 * tree.c (rvalue): Assert expr is not a class lvalue.
1961 2021-05-07 Jason Merrill <jason@redhat.com>
1963 * cp-tree.h (build_stub_object): Declare.
1964 * method.c (build_stub_object): No longer static.
1965 * call.c (can_convert): Use it.
1966 * tree.c (build_dummy_object): Adjust comment.
1967 * typeck.c (cp_build_binary_op): Wrap SPACESHIP_EXPR in a
1968 TARGET_EXPR.
1970 2021-05-07 Jason Merrill <jason@redhat.com>
1972 * coroutines.cc (build_co_await): Don't call 'rvalue'.
1973 (flatten_await_stmt): Simplify initialization.
1974 (morph_fn_to_coro): Change 'rvalue' to 'move'. Simplify.
1976 2021-05-04 Tobias Burnus <tobias@codesourcery.com>
1978 * semantics.c (finish_omp_reduction_clause): Accept float + complex
1979 for || and && reductions.
1981 2021-05-03 Patrick Palka <ppalka@redhat.com>
1983 PR c++/100362
1984 * parser.c (cp_parser_class_head): Reinstate calls to pushclass
1985 and popclass when parsing the base-clause that were removed in
1986 r11-6815.
1988 2021-05-03 Patrick Palka <ppalka@redhat.com>
1990 PR c++/68942
1991 PR c++/100344
1992 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: Set tf_conv
1993 only when the callee is a FUNCTION_DECL.
1995 2021-05-03 Marek Polacek <polacek@redhat.com>
1997 PR c++/100055
1998 * decl.c (grokfndecl): Check current_template_parms.
2000 2021-05-03 Marek Polacek <polacek@redhat.com>
2002 DR 1312
2003 * constexpr.c (cxx_eval_constant_expression): Don't check
2004 integer_zerop.
2006 2021-05-01 Jason Merrill <jason@redhat.com>
2008 * cp-tree.h (class ovl_iterator): Allow copying. Add op==.
2009 (class ovl_range, class lkp_range): New.
2010 * call.c (build_op_call_1, add_candidates): Use them.
2011 (build_op_delete_call, has_trivial_copy_assign_p): Likewise.
2012 (has_trivial_copy_p): Likewise.
2013 * class.c (handle_using_decl, get_basefndecls): Likewise.
2014 (maybe_warn_about_overly_private_class): Likewise.
2015 (warn_hidden, add_implicitly_declared_members): Likewise.
2016 (check_methods, clone_constructors_and_destructors): Likewise.
2017 (type_has_user_nondefault_constructor): Likewise.
2019 2021-04-29 Jason Merrill <jason@redhat.com>
2021 * constexpr.c (cxx_fold_indirect_ref_1): Only set *empty_base if we
2022 don't find a field.
2024 2021-04-29 Jason Merrill <jason@redhat.com>
2026 PR c++/51344
2027 * decl2.c (grokfield): Call cplus_decl_attributes for friend.
2028 (save_template_attributes): Use chainon.
2029 * friend.c (do_friend): Remove attrlist parm.
2030 * cp-tree.h (do_friend): Adjust.
2031 * class.c (add_implicitly_declared_members): Adjust.
2032 * decl.c (grokdeclarator): Adjust.
2033 * pt.c (apply_late_template_attributes): Optimize.
2035 2021-04-29 Jason Merrill <jason@redhat.com>
2037 PR c++/97974
2038 * class.c (finish_struct_anon_r): Drop complain parm.
2039 Remove non-field diagnostic.
2040 (finish_struct_anon): Adjust.
2041 * decl.c (fixup_anonymous_aggr): Move non-field diagnostic here.
2043 2021-04-29 Jason Merrill <jason@redhat.com>
2045 * cp-tree.h (cp_evaluated): Add reset parm to constructor.
2046 * parser.c (cp_parser_constant_expression): Change
2047 allow_non_constant_p to int. Use cp_evaluated.
2048 (cp_parser_initializer_clause): Pass 2 to allow_non_constant_p.
2049 * semantics.c (finish_id_expression_1): Don't mess with
2050 cp_unevaluated_operand here.
2052 2021-04-29 Jason Merrill <jason@redhat.com>
2054 * cp-tree.h: Clarify comments.
2055 * pt.c (get_template_parm_object): Add assert.
2056 * semantics.c (finish_compound_literal): Clear TREE_HAS_CONSTRUCTOR.
2057 * tree.c (zero_init_expr_p): Check TREE_HAS_CONSTRUCTOR.
2058 * typeck2.c (store_init_value): Likewise.
2060 2021-04-29 Patrick Palka <ppalka@redhat.com>
2062 PR c++/68942
2063 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: When KOENIG_P,
2064 set tf_conv during the initial substitution into the function.
2066 2021-04-29 Jakub Jelinek <jakub@redhat.com>
2068 PR c++/100319
2069 * semantics.c (finish_omp_clauses): Fix up check that variable
2070 mentioned in detach clause doesn't appear in data-sharing clauses.
2072 2021-04-28 Jakub Jelinek <jakub@redhat.com>
2074 * module.cc: Remove #error that triggers if DEV-PHASE is empty.
2076 2021-04-27 Jason Merrill <jason@redhat.com>
2078 PR c++/92145
2079 * class.c (classtype_has_depr_implicit_copy): Check DECL_CONTEXT
2080 of operator=.
2082 2021-04-27 Patrick Palka <ppalka@redhat.com>
2084 PR c++/88580
2085 * pt.c (tsubst_initializer_list): Correctly handle the case
2086 where an argument inside a base initializer pack expansion is
2087 itself a pack expansion.
2089 2021-04-26 Patrick Palka <ppalka@redhat.com>
2091 PR c++/100209
2092 * constexpr.c (cxx_fold_indirect_ref): Try to canonicalize the
2093 object/offset pair for a POINTER_PLUS_EXPR of a COMPONENT_REF
2094 with a negative offset into one whose offset is nonnegative
2095 before calling cxx_fold_indirect_ref_1.
2097 2021-04-24 Patrick Palka <ppalka@redhat.com>
2099 PR c++/89565
2100 PR c++/93383
2101 PR c++/95291
2102 PR c++/99200
2103 PR c++/99683
2104 * pt.c (do_class_deduction): Punt if the initializer is
2105 type-dependent.
2107 2021-04-24 Patrick Palka <ppalka@redhat.com>
2109 PR c++/87709
2110 * parser.c (cp_parser_type_id_1): If we see a template
2111 placeholder, first try simulating an error before issuing
2112 a real error.
2114 2021-04-23 Patrick Palka <ppalka@redhat.com>
2116 PR c++/98767
2117 * cxx-pretty-print.c (pp_cxx_parameter_declaration_clause):
2118 Adjust parameter list loop to iterate over 'types' instead of
2119 'args'. Output the trailing '...' for a variadic function.
2120 Remove PARM_DECL support.
2121 (pp_cxx_requires_expr): Pretty print the parameter list directly
2122 instead of going through pp_cxx_parameter_declaration_clause.
2124 2021-04-23 Patrick Palka <ppalka@redhat.com>
2126 DR 2374
2127 * decl.c (is_direct_enum_init): Check the implicit
2128 convertibility requirement added by CWG 2374.
2130 2021-04-23 Martin Liska <mliska@suse.cz>
2132 * cp-tree.h (STATIC_ASSERT): Prefer static assert.
2133 * lex.c (init_operators): Remove run-time check.
2135 2021-04-22 Marek Polacek <polacek@redhat.com>
2137 PR c++/100161
2138 * pt.c (tsubst_copy_and_build) <case PLUS_EXPR>: Test op0 and
2139 op1 separately for value- or type-dependence.
2141 2021-04-21 Marek Polacek <polacek@redhat.com>
2143 PR c++/96380
2144 * parser.c (cp_parser_enum_specifier): Don't allow defining
2145 types in enum-base.
2147 2021-04-21 Martin Liska <mliska@suse.cz>
2149 Revert:
2150 2021-04-21 Martin Liska <mliska@suse.cz>
2152 * error.c (dump_decl): Use flags in dump_generic_node call.
2154 2021-04-21 Martin Liska <mliska@suse.cz>
2156 * error.c (dump_decl): Use flags in dump_generic_node call.
2158 2021-04-21 Martin Liska <mliska@suse.cz>
2160 * error.c (dump_decl): Support anonymous labels.
2162 2021-04-20 Jason Merrill <jason@redhat.com>
2164 PR c++/100109
2165 * pt.c (find_parameter_packs_r): Look into enum initializers.
2167 2021-04-19 Marek Polacek <polacek@redhat.com>
2169 PR c++/97536
2170 * decl.c (grokvardecl): Given an error when a concept is not defined
2171 at namespace scope.
2173 2021-04-16 Jakub Jelinek <jakub@redhat.com>
2175 PR c++/100111
2176 * constexpr.c (cxx_eval_store_expression): Don't add CONSTRUCTORs
2177 for empty classes into *valp when types don't match even when *valp
2178 is NULL.
2180 2021-04-16 Marek Polacek <polacek@redhat.com>
2182 PR c++/99803
2183 * decl.c (make_typename_type): Give an error and return when
2184 name is is_overloaded_fn.
2185 * parser.c (cp_parser_class_name): Don't check is_overloaded_fn
2186 before calling make_typename_type.
2188 2021-04-16 Patrick Palka <ppalka@redhat.com>
2190 PR c++/99700
2191 * constexpr.c (reduced_constant_expression_p): For array
2192 CONSTRUCTORs, use a dedicated loop that additionally verifies
2193 the CONSTRUCTOR spans the entire array.
2195 2021-04-16 Jakub Jelinek <jakub@redhat.com>
2197 PR c++/99850
2198 * parser.c (cp_parser_constraint_requires_parens) <case CPP_DEREF>:
2199 If lambda_p, return pce_ok instead of pce_maybe_postfix.
2201 2021-04-16 Jakub Jelinek <jakub@redhat.com>
2203 PR c++/99833
2204 * pt.c (extract_locals_r): When handling DECL_EXPR of a structured
2205 binding, add to data.internal also all corresponding structured
2206 binding decls.
2208 2021-04-16 Jason Merrill <jason@redhat.com>
2210 PR c++/100079
2211 * cp-tree.h (first_field): Declare.
2212 * mangle.c (range_expr_nelts): New.
2213 (write_expression): Improve class NTTP mangling.
2214 * pt.c (get_template_parm_object): Clear TREE_HAS_CONSTRUCTOR.
2215 * tree.c (zero_init_expr_p): Improve class NTTP handling.
2216 * decl.c: Adjust comment.
2218 2021-04-15 Jason Merrill <jason@redhat.com>
2220 PR c++/80456
2221 * call.c (build_new_method_call_1): Check again for side-effects
2222 with a volatile object.
2224 2021-04-15 Jason Merrill <jason@redhat.com>
2226 PR c++/100101
2227 PR c++/99583
2228 * pt.c (find_parameter_packs_r) [FUNCTION_TYPE]: Walk into
2229 TYPE_RAISES_EXCEPTIONS here.
2230 * tree.c (cp_walk_subtrees): Not here.
2232 2021-04-15 Jason Merrill <jason@redhat.com>
2234 PR c++/100091
2235 PR c++/99478
2236 * parser.c (cp_parser_default_type_template_argument): Set
2237 parser->local_variables_forbidden_p.
2239 2021-04-15 Richard Sandiford <richard.sandiford@arm.com>
2241 PR c++/98852
2242 * typeck.c (merge_type_attributes_from): New function.
2243 (cp_common_type): Use it for vector types.
2245 2021-04-14 Jason Merrill <jason@redhat.com>
2247 PR c++/100078
2248 PR c++/93085
2249 * pt.c (uses_outer_template_parms): Also look at default
2250 template argument.
2252 2021-04-14 Jason Merrill <jason@redhat.com>
2254 PR c++/93314
2255 * semantics.c (finish_id_expression_1): Clear cp_unevaluated_operand
2256 for a non-static data member in a constant-expression.
2258 2021-04-14 Patrick Palka <ppalka@redhat.com>
2260 PR c++/83476
2261 PR c++/99885
2262 * pt.c (deducible_expression): Look through implicit
2263 INDIRECT_REFs as well.
2265 2021-04-14 Jason Merrill <jason@redhat.com>
2267 PR c++/99478
2268 * parser.c (cp_parser_lambda_expression): Reject lambda
2269 in template parameter type.
2271 2021-04-14 Jason Merrill <jason@redhat.com>
2273 PR c++/90674
2274 * decl.c (duplicate_decls): Don't propagate
2275 DECL_INITIALIZED_IN_CLASS_P to a specialization.
2277 2021-04-14 Jason Merrill <jason@redhat.com>
2279 PR c++/88742
2280 PR c++/49951
2281 PR c++/58123
2282 * semantics.c (set_cleanup_locs): New.
2283 (do_poplevel): Call it.
2284 * parser.c (cp_parser_compound_statement): Consume the }
2285 before finish_compound_stmt.
2287 2021-04-13 Jason Merrill <jason@redhat.com>
2289 PR c++/100032
2290 * pt.c (get_underlying_template): Compare TYPE_QUALS.
2292 2021-04-13 Jason Merrill <jason@redhat.com>
2294 PR c++/100054
2295 PR c++/90479
2296 * init.c (get_nsdmi): Do more context adjustment for local classes.
2298 2021-04-13 Patrick Palka <ppalka@redhat.com>
2300 PR c++/99008
2301 * pt.c (do_class_deduction): Reject alias CTAD in C++17 mode
2302 rather than issuing a pedwarn.
2303 * typeck2.c (build_functional_cast_1): Handle CTAD uniformly
2304 for consistent diagnostics.
2306 2021-04-13 Jason Merrill <jason@redhat.com>
2308 PR c++/91933
2309 * class.c (build_base_path): Shortcut simple non-pointer case.
2311 2021-04-13 Eric Botcazou <ebotcazou@adacore.com>
2313 * module.cc (ordinary_loc_of): Test LINEMAPS_MACRO_LOWEST_LOCATION
2314 of the linemap.
2315 (module_state::write_location): Likewise.
2317 2021-04-13 Patrick Palka <ppalka@redhat.com>
2319 PR c++/97134
2320 * pt.c (do_class_deduction): Look through EXPR_PACK_EXPANSION
2321 when checking if the initializer is an equivalent class
2322 placeholder template parameter.
2324 2021-04-13 Patrick Palka <ppalka@redhat.com>
2326 PR c++/99961
2327 PR c++/99994
2328 * constraint.cc (satisfy_normalized_constraints): Set
2329 cp_unevaluated.
2330 * parser.c (cp_parser_concept_definition): Likewise.
2331 (cp_parser_requires_clause_opt): Likewise.
2333 2021-04-12 Jason Merrill <jason@redhat.com>
2335 PR c++/93085
2336 * pt.c (uses_outer_template_parms): Handle non-type and template
2337 template parameters specifically.
2339 2021-04-11 Jason Merrill <jason@redhat.com>
2341 PR c++/97974
2342 * decl.c (fixup_anonymous_aggr): Prune all functions from
2343 CLASSTYPE_MEMBER_VEC.
2345 2021-04-10 Jason Merrill <jason@redhat.com>
2347 PR c++/98800
2348 PR c++/97399
2349 * parser.c (cp_parser_direct_declarator): Don't
2350 inject_this_parameter if static_p.
2351 (cp_parser_omp_var_list_no_open): Parse 'this' even if
2352 current_class_ptr isn't set for a better diagnostic.
2354 2021-04-10 Jason Merrill <jason@redhat.com>
2356 PR c++/99180
2357 PR c++/93295
2358 PR c++/93867
2359 PR c++/99118
2360 PR c++/96873
2361 * pt.c (alias_ctad_tweaks): Handle failure better.
2363 2021-04-10 Jason Merrill <jason@redhat.com>
2365 PR c++/100006
2366 * pt.c (find_parameter_packs_r) [TAG_DEFN]: Look into bases.
2368 2021-04-09 Patrick Palka <ppalka@redhat.com>
2370 * cp-tree.h (LAMBDA_EXPR_REGENERATED_FROM)
2371 (LAMBDA_EXPR_REGENERATING_TARGS): Replace these with ...
2372 (LAMBDA_EXPR_REGEN_INFO): ... this.
2373 (tree_lambda_expr::regenerated_from)
2374 (tree_lambda_expr::regenerating_targs): Replace these with ...
2375 (tree_lambda_expr::regen_info): ... this.
2376 * constraint.cc (satisfy_declaration_constraints): Adjust
2377 accordingly.
2378 * lambda.c (build_lambda_expr): Likewise.
2379 * pt.c (regenerated_lambda_fn_p): Likewise.
2380 (most_general_lambda): Likewise.
2381 (tsubst_lambda_expr): Likewise.
2383 2021-04-09 Marek Polacek <polacek@redhat.com>
2385 PR c++/99806
2386 * parser.c (cp_parser_member_declaration): Call
2387 cp_parser_save_default_args even for function templates. Use
2388 STRIP_TEMPLATE on the declaration we're passing.
2390 2021-04-08 Patrick Palka <ppalka@redhat.com>
2392 PR c++/99874
2393 * constraint.cc (get_normalized_constraints_from_decl): Handle
2394 regenerated lambdas.
2395 (satisfy_declaration_constraints): Likewise. Check for
2396 dependent args later.
2397 * cp-tree.h (LAMBDA_EXPR_INSTANTIATED): Replace with ...
2398 (LAMBDA_EXPR_REGENERATED_FROM): ... this.
2399 (LAMBDA_EXPR_REGENERATING_TARGS): New.
2400 (tree_lambda_expr::regenerated_from): New data member.
2401 (tree_lambda_expr::regenerating_targs): New data member.
2402 (add_to_template_args): Declare.
2403 (regenerated_lambda_fn_p): Likewise.
2404 (most_general_lambda): Likewise.
2405 * lambda.c (build_lambda_expr): Set LAMBDA_EXPR_REGENERATED_FROM
2406 and LAMBDA_EXPR_REGENERATING_TARGS.
2407 * pt.c (add_to_template_args): No longer static.
2408 (tsubst_function_decl): Unconditionally propagate constraints on
2409 the substituted function decl.
2410 (instantiated_lambda_fn_p): Rename to ...
2411 (regenerated_lambda_fn_p): ... this. Check
2412 LAMBDA_EXPR_REGENERATED_FROM instead of
2413 LAMBDA_EXPR_INSTANTIATED.
2414 (most_general_lambda): Define.
2415 (enclosing_instantiation_of): Adjust after renaming
2416 instantiated_lambda_fn_p.
2417 (tsubst_lambda_expr): Don't set LAMBDA_EXPR_INSTANTIATED. Set
2418 LAMBDA_EXPR_REGENERATED_FROM and LAMBDA_EXPR_REGENERATING_TARGS.
2419 Don't substitute or set constraints on the regenerated lambda.
2421 2021-04-08 Patrick Palka <ppalka@redhat.com>
2423 PR c++/97679
2424 * pt.c (build_deduction_guide): Document OUTER_ARGS. Substitute
2425 them into the propagated constraints.
2427 2021-04-08 Jason Merrill <jason@redhat.com>
2429 PR c++/91849
2430 * call.c (convert_like_internal): Improve reference diagnostic.
2432 2021-04-08 Jakub Jelinek <jakub@redhat.com>
2434 PR c++/99859
2435 * constexpr.c (addr_of_non_const_var): New function.
2436 (cxx_bind_parameters_in_call): Set *non_constant_args to true
2437 even if cp_walk_tree on arg with addr_of_non_const_var callback
2438 returns true.
2440 2021-04-08 Jason Merrill <jason@redhat.com>
2442 PR c++/94529
2443 * pt.c (determine_specialization): Improve diagnostic.
2445 2021-04-08 Marek Polacek <polacek@redhat.com>
2447 PR c++/99844
2448 * decl.c (build_explicit_specifier): Call
2449 check_for_bare_parameter_packs.
2450 * except.c (build_noexcept_spec): Likewise.
2452 2021-04-07 Jason Merrill <jason@redhat.com>
2454 PR c++/41723
2455 * parser.c (cp_parser_class_name): Check dependent_scope_p.
2457 2021-04-07 Jason Merrill <jason@redhat.com>
2459 PR c++/52625
2460 * pt.c (maybe_process_partial_specialization): Check
2461 DECL_SELF_REFERENCE_P.
2463 2021-04-07 Jason Merrill <jason@redhat.com>
2465 PR c++/92918
2466 * name-lookup.c (push_class_level_binding_1): Do overload a new
2467 function with a previous using-declaration.
2469 2021-04-06 Jason Merrill <jason@redhat.com>
2471 PR c++/96673
2472 * init.c (get_nsdmi): Don't defer access checking.
2474 2021-04-06 Jason Merrill <jason@redhat.com>
2476 PR c++/99901
2477 * decl.c (cp_finish_decl): mark_needed an implicitly inline
2478 static data member with an out-of-class redeclaration.
2480 2021-04-06 Jason Merrill <jason@redhat.com>
2482 PR c++/91241
2483 * mangle.c (write_compact_number): Add sanity check.
2484 (write_local_name): Use list_length for parm number.
2486 2021-04-06 Patrick Palka <ppalka@redhat.com>
2488 PR c++/99899
2489 * pt.c (do_auto_deduction): Don't exit early when deducing the
2490 array type of a structured binding. Also handle adc_decomp_type
2491 during constraint checking.
2493 2021-04-05 Jason Merrill <jason@redhat.com>
2495 PR c++/96311
2496 * typeck.c (check_return_expr): Call mark_exp_read in dependent
2497 case.
2499 2021-04-05 Jason Merrill <jason@redhat.com>
2501 PR c++/98440
2502 * typeck.c (build_reinterpret_cast_1): Don't perform
2503 temporary materialization.
2505 2021-04-05 Jason Merrill <jason@redhat.com>
2507 PR c++/95317
2508 * pt.c (lookup_template_class_1): Do tsubst_enum when
2509 tsubsting a generic lambda.
2511 2021-04-05 Jason Merrill <jason@redhat.com>
2513 PR c++/95870
2514 * pt.c (enclosing_instantiation_of): Compare DECL_SOURCE_LOCATION if
2515 there is no enclosing non-lambda function.
2517 2021-04-05 Nathan Sidwell <nathan@acm.org>
2519 PR c++/99380
2520 * module.cc (name_pending_imports): Drop 'atend' parm. Don't
2521 query export when not needed.
2522 (preprocess_module, preprocessed_module): Adjust.
2524 2021-04-05 Jason Merrill <jason@redhat.com>
2526 PR c++/99066
2527 * pt.c (mark_decl_instantiated): Set DECL_EXTERNAL.
2529 2021-04-05 Jason Merrill <jason@redhat.com>
2531 PR c++/99201
2532 * pt.c (class el_data): Add visited field.
2533 (extract_local_specs): Pass it to cp_walk_tree.
2534 (extract_locals_r): Walk into the body of a lambda.
2536 2021-04-05 Jason Merrill <jason@redhat.com>
2538 * ptree.c (cxx_print_decl): Check DECL_MODULE_IMPORT_P on
2539 template result.
2541 2021-04-04 Jason Merrill <jason@redhat.com>
2543 PR c++/99643
2544 * typeck2.c (massage_init_elt): Don't strip TARGET_EXPR.
2546 2021-04-03 Marek Polacek <polacek@redhat.com>
2548 PR c++/91416
2549 * parser.c: Create a GC root for attributes in a decl specifier.
2550 (cp_parser_type_specifier): Push/pop ->attributes onto/from it.
2552 2021-04-03 Jason Merrill <jason@redhat.com>
2554 PR c++/91217
2555 * pt.c (tsubst_lambda_expr): Skip the body block from
2556 DECL_SAVED_TREE.
2558 2021-04-03 Jason Merrill <jason@redhat.com>
2560 PR c++/90664
2561 * cvt.c (can_convert_qual): Check fnptr_conv_p.
2563 2021-04-03 Jason Merrill <jason@redhat.com>
2565 PR c++/97900
2566 * pt.c (regenerate_decl_from_template): tsubst_decl
2567 the parms.
2569 2021-04-02 Patrick Palka <ppalka@redhat.com>
2571 PR c++/99869
2572 * parser.c (do_range_for_auto_deduction): Pass adc_variable_type
2573 to do_auto_deduction.
2575 2021-04-02 Patrick Palka <ppalka@redhat.com>
2577 PR c++/99586
2578 * semantics.c (finish_compound_literal): Check
2579 template_placeholder_p instead of type_uses_auto.
2581 2021-04-02 Jason Merrill <jason@redhat.com>
2583 PR c++/97938
2584 * cp-tree.h (PACK_EXPANSION_AUTO_P): New.
2585 * lambda.c (add_capture): Set it.
2586 * pt.c (tsubst_pack_expansion): Handle it.
2588 2021-04-02 Nathan Sidwell <nathan@acm.org>
2590 * cp-tree.h (lang_decl_base): Correct module flag comment.
2591 * module.cc (trees_in::assert_definition): Break out
2592 not_tmpl var.
2593 (trees_out::lang_decl_bools): Do not write purview for header units.
2595 2021-04-01 Marek Polacek <polacek@redhat.com>
2597 PR c++/99831
2598 * method.c (defaulted_late_check): ++ and -- function_depth around
2599 the call to synthesize_method.
2600 * pt.c: Remove the saved_trees global.
2602 2021-04-01 Jason Merrill <jason@redhat.com>
2604 PR c++/99583
2605 PR c++/99584
2606 * tree.c (cp_walk_subtrees) [FUNCTION_TYPE]: Walk into
2607 TYPE_RAISES_EXCEPTIONS.
2609 2021-04-01 Iain Sandoe <iain@sandoe.co.uk>
2611 * mapper-client.cc (INCLUDE_MAP): New; require map to be
2612 included from system.h.
2613 * mapper-resolver.cc (INCLUDE_MAP): Likewise.
2615 2021-04-01 Jason Merrill <jason@redhat.com>
2617 PR c++/98481
2618 * mangle.c (write_expression): Adjust.
2619 * class.c (find_abi_tags_r): Disable PR98481 fix for ABI v14.
2620 (mark_abi_tags_r): Likewise.
2622 2021-04-01 Nathan Sidwell <nathan@acm.org>
2624 PR c++/99283
2625 * module.cc (trees_out::decl_node): Adjust importedness reference
2626 assert.
2627 (module_state::intercluster_seed): New. Seed both imports and
2628 inter-cluster references. Broken out of ...
2629 (module_state::write_cluster): ... here. Call it.
2631 2021-03-31 Jason Merrill <jason@redhat.com>
2633 PR c++/99445
2634 * tree.c (strip_typedefs): Handle TYPE_PACK_EXPANSION.
2636 2021-03-31 Patrick Palka <ppalka@redhat.com>
2638 PR c++/88115
2639 * mangle.c (write_expression): Adjust the mangling of
2640 __alignof__.
2642 2021-03-31 Patrick Palka <ppalka@redhat.com>
2644 PR c++/99815
2645 * pt.c (placeholder_type_constraint_dependent_p): Expand
2646 argument packs to separate the first non-pack argument
2647 from the rest.
2649 2021-03-30 Nathan Sidwell <nathan@acm.org>
2651 PR c++/99283
2652 * module.cc (dumper::operator): Make less brittle.
2653 (trees_out::core_bools): VAR_DECLs always have a context.
2654 (trees_out::key_mergeable): Use same_type_p for asserting.
2655 (trees_in::read_var_def): Propagate
2656 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
2658 2021-03-30 Jakub Jelinek <jakub@redhat.com>
2660 PR c++/99790
2661 * cp-gimplify.c (cp_gimplify_expr): Handle PTRMEM_CST.
2663 2021-03-26 Marek Polacek <polacek@redhat.com>
2665 PR c++/98352
2666 * method.c (implicitly_declare_fn): Pass &raises to
2667 synthesized_method_walk.
2669 2021-03-26 Nathan Sidwell <nathan@acm.org>
2671 PR c++/99283
2672 * cp-tree.h (DECL_MODULE_CHECK): Ban TEMPLATE_DECL.
2673 (SET_TYPE_TEMPLATE_INFO): Restore Alias template setting.
2674 * decl.c (duplicate_decls): Remove template_decl module flag
2675 propagation.
2676 * module.cc (merge_kind_name): Add alias tmpl spec as a thing.
2677 (dumper::impl::nested_name): Adjust for template-decl module flag
2678 change.
2679 (trees_in::assert_definition): Likewise.
2680 (trees_in::install_entity): Likewise.
2681 (trees_out::decl_value): Likewise. Remove alias template
2682 separation of template and type_decl.
2683 (trees_in::decl_value): Likewise.
2684 (trees_out::key_mergeable): Likewise,
2685 (trees_in::key_mergeable): Likewise.
2686 (trees_out::decl_node): Adjust for template-decl module flag
2687 change.
2688 (depset::hash::make_dependency): Likewise.
2689 (get_originating_module, module_may_redeclare): Likewise.
2690 (set_instantiating_module, set_defining_module): Likewise.
2691 * name-lookup.c (name_lookup::search_adl): Likewise.
2692 (do_pushdecl): Likewise.
2693 * pt.c (build_template_decl): Likewise.
2694 (lookup_template_class_1): Remove special alias_template handling
2695 of DECL_TI_TEMPLATE.
2696 (tsubst_template_decl): Likewise.
2698 2021-03-26 Jakub Jelinek <jakub@redhat.com>
2700 PR c++/99705
2701 * tree.c (bot_manip): Remap artificial automatic temporaries mentioned
2702 in DECL_EXPR or in BIND_EXPR_VARS.
2704 2021-03-25 Jakub Jelinek <jakub@redhat.com>
2706 PR c++/99672
2707 * parser.c (cp_parser_postfix_expression): For calls, create
2708 combined_loc and temporarily set input_location to it before
2709 calling finish_call_expr.
2711 2021-03-25 Marek Polacek <polacek@redhat.com>
2713 PR c++/94751
2714 * call.c (build_over_call): Maybe call mark_used in case
2715 deduce_inheriting_ctor fails and return error_mark_node.
2716 * cp-tree.h (deduce_inheriting_ctor): Adjust declaration.
2717 * method.c (deduce_inheriting_ctor): Return bool if the deduction
2718 fails.
2719 (implicitly_declare_fn): If raises is error_mark_node, call
2720 synthesized_method_walk with diag being true.
2722 2021-03-25 Jakub Jelinek <jakub@redhat.com>
2724 PR c++/99745
2725 * decl2.c (grokbitfield): Diagnose bitfields containing bare parameter
2726 packs and don't set DECL_BIT_FIELD_REPRESENTATIVE in that case.
2728 2021-03-25 Marek Polacek <polacek@redhat.com>
2730 PR c++/99331
2731 * call.c (build_converted_constant_expr_internal): Don't emit
2732 -Wconversion warnings.
2734 2021-03-25 Jakub Jelinek <jakub@redhat.com>
2736 PR c++/99565
2737 * call.c (build_conditional_expr_1): Pass OEP_ADDRESS_OF_SAME_FIELD
2738 to operand_equal_p.
2739 * cvt.c (convert_to_void): Preserve location_t on COND_EXPR or
2740 or COMPOUND_EXPR.
2742 2021-03-23 Nathan Sidwell <nathan@acm.org>
2744 PR c++/99283
2745 * name-lookup.c (check_module_override): Set global or partition
2746 DUP on the binding vector.
2748 2021-03-23 Marek Polacek <polacek@redhat.com>
2750 PR c++/99318
2751 * decl2.c (cp_warn_deprecated_use_scopes): Only call
2752 cp_warn_deprecated_use when decl is a namespace, class, or enum.
2754 2021-03-23 Nathan Sidwell <nathan@acm.org>
2756 PR c++/99239
2757 * decl.c (duplicate_decls): Remove assert about maybe-imported
2758 artificial decls.
2760 2021-03-23 Jakub Jelinek <jakub@redhat.com>
2762 PR c++/99650
2763 * decl.c (cp_finish_decomp): Diagnose void initializers when
2764 using tuple_element and get.
2766 2021-03-22 Nathan Sidwell <nathan@acm.org>
2768 PR c++/99480
2769 * module.cc (depset::hash::make_dependency): Propagate flags for
2770 partial specialization.
2771 (module_may_redeclare): Handle partial specialization.
2773 2021-03-22 Nathan Sidwell <nathan@acm.org>
2775 PR c++/99425
2776 * cp-tree.h (map_context_from, map_context_to): Delete.
2777 (add_mergeable_specialization): Add is_alias parm.
2778 * pt.c (add_mergeable_specialization): Add is_alias parm, add them.
2779 * module.cc (map_context_from, map_context_to): Delete.
2780 (trees_in::decl_value): Add specializations later, adjust call.
2781 Drop useless alias lookup. Set duplicate fn parm context.
2782 (check_mergeable_decl): Drop context mapping.
2783 (trees_in::is_matching_decl): Likewise.
2784 (trees_in::read_function_def): Drop parameter context adjustment
2785 here.
2787 2021-03-22 Martin Liska <mliska@suse.cz>
2789 PR c++/99687
2790 * module.cc (fini_modules): Call vec_free instead of delete.
2792 2021-03-20 Jakub Jelinek <jakub@redhat.com>
2794 PR debug/99230
2795 * cp-gimplify.c (cp_genericize_r) <case STATEMENT_LIST>: Remove
2796 special code, instead call c_genericize_control_stmt.
2798 2021-03-19 Jakub Jelinek <jakub@redhat.com>
2800 PR c++/99456
2801 * constexpr.c (cxx_eval_constant_expression): For CONVERT_EXPR from
2802 INDIRECT_TYPE_P to ARITHMETIC_TYPE_P, when !ctx->manifestly_const_eval
2803 don't diagnose it, set *non_constant_p nor return t.
2805 2021-03-19 Marek Polacek <polacek@redhat.com>
2807 PR c++/99500
2808 * parser.c (cp_parser_requirement_parameter_list): Handle
2809 error_mark_node.
2811 2021-03-18 Marek Polacek <polacek@redhat.com>
2813 * pt.c (tsubst_copy_and_build) <case FLOAT_EXPR>: Remove.
2815 2021-03-18 Marek Polacek <polacek@redhat.com>
2817 * pt.c (tsubst_copy_and_build): Add assert.
2819 2021-03-18 Iain Sandoe <iain@sandoe.co.uk>
2821 PR objc++/49070
2822 * parser.c (cp_debug_parser): Add Objective-C++ message
2823 state flag.
2824 (cp_parser_nested_name_specifier_opt): Allow colon to
2825 terminate an assignment-expression when parsing Objective-
2826 C++ messages.
2827 (cp_parser_objc_message_expression): Set and clear message
2828 parsing state on entry and exit.
2829 * parser.h (struct cp_parser): Add a context flag for
2830 Objective-C++ message state.
2832 2021-03-18 Martin Liska <mliska@suse.cz>
2834 PR c++/99617
2835 * coroutines.cc (struct var_nest_node): Init then_cl and else_cl
2836 to NULL.
2838 2021-03-17 Marek Polacek <polacek@redhat.com>
2840 PR c++/97973
2841 * call.c (conv_unsafe_in_template_p): New.
2842 (convert_like): Use it.
2844 2021-03-17 Anthony Sharp <anthonysharp15@gmail.com>
2845 Jason Merrill <jason@redhat.com>
2847 * semantics.c (get_class_access_diagnostic_decl): New
2848 function that examines special cases when a parent
2849 class causes a private access failure.
2850 (enforce_access): Slightly modified to call function
2851 above.
2853 2021-03-16 Jason Merrill <jason@redhat.com>
2855 * tree.c (cp_tree_equal): Use real_identical.
2857 2021-03-16 Jakub Jelinek <jakub@redhat.com>
2859 PR c++/99613
2860 * decl.c (expand_static_init): For thread guards, call __cxa_atexit
2861 before calling __cxa_guard_release rather than after it. Formatting
2862 fixes.
2864 2021-03-16 Martin Liska <mliska@suse.cz>
2865 Jason Merrill <jason@redhat.com>
2867 PR c++/99108
2868 * call.c (get_function_version_dispatcher): Handle
2869 DECL_LOCAL_DECL_P.
2870 * decl.c (maybe_version_functions): Likewise.
2871 (maybe_mark_function_versioned): New.
2872 * name-lookup.c (push_local_extern_decl_alias): No longer static.
2873 * name-lookup.h (push_local_extern_decl_alias): Adjust.
2875 2021-03-16 Nathan Sidwell <nathan@acm.org>
2877 PR c++/99496
2878 * module.cc (trees_out::decl_value): Adjust typedef streaming,
2879 indicate whether it is a dependent alias.
2880 (trees_in::decl_value): Likewise. Set as dependent alias, if it
2881 is one.
2883 2021-03-15 Iain Sandoe <iain@sandoe.co.uk>
2885 PR c++/99047
2886 * coroutines.cc (expand_one_await_expression): If the
2887 await_ready() expression is not a boolean then convert it
2888 as required.
2890 2021-03-15 Iain Sandoe <iain@sandoe.co.uk>
2892 PR c++/98704
2893 * coroutines.cc (build_actor_fn): Make destroy index 1
2894 correspond to the abnormal unhandled_exception() exit.
2895 Substitute the proxy for the resume index.
2896 (coro_rewrite_function_body): Arrange to reset the resume
2897 index and make done = true for a rethrown exception from
2898 unhandled_exception ().
2899 (morph_fn_to_coro): Adjust calls to build_actor_fn and
2900 coro_rewrite_function_body.
2902 2021-03-15 Iain Sandoe <iain@sandoe.co.uk>
2904 PR c++/98480
2905 * coroutines.cc (replace_continue): Rewrite continue into
2906 'goto label'.
2907 (await_statement_walker): Handle await expressions in the
2908 initializer, condition and iteration expressions of for
2909 loops.
2911 2021-03-15 Iain Sandoe <iain@sandoe.co.uk>
2913 PR c++/96749
2914 * coroutines.cc (flatten_await_stmt): Allow for the case
2915 where a target expression variable only has uses in the
2916 second part of a compound expression.
2917 (maybe_promote_temps): Avoid emiting empty statements.
2919 2021-03-15 Tobias Burnus <tobias@codesourcery.com>
2921 PR c++/99509
2922 * decl.c (cp_finish_decl): For 'omp declare target implicit' vars,
2923 ensure that the varpool node is marked as offloadable.
2925 2021-03-12 Nathan Sidwell <nathan@acm.org>
2927 PR c++/99238
2928 * module.cc (depset::hash::add_binding_entity): Assert not
2929 visited.
2930 (depset::add::add_specializations): Likewise.
2931 * name-lookup.c (name_lookup::dedup): New.
2932 (name_lookup::~name_lookup): Assert not deduping.
2933 (name_lookup::restore_state): Likewise.
2934 (name_lookup::add_overload): Replace outlined code with dedup
2935 call.
2936 (name_lookup::add_value): Likewise.
2937 (name_lookup::search_namespace_only): Likewise.
2938 (name_lookup::adl_namespace_fns): Likewise.
2939 (name_lookup::adl_class_fns): Likewise.
2940 (name_lookup::search_adl): Likewise. Add clearing dedup call.
2941 (name_lookup::search_qualified): Likewise.
2942 (name_lookup::search_unqualified): Likewise.
2944 2021-03-12 Jakub Jelinek <jakub@redhat.com>
2946 PR c++/99507
2947 * call.c (build_over_call): For immediate evaluation of functions
2948 that return references, undo convert_from_reference effects before
2949 calling cxx_constant_value and call convert_from_reference
2950 afterwards.
2952 2021-03-11 Nathan Sidwell <nathan@acm.org>
2954 PR c++/99248
2955 * name-lookup.c (lookup_elaborated_type_1): Access slot not bind
2956 when there's a binding vector.
2957 * ptree.c (cxx_print_xnode): Lazy flags are no longer a thing.
2959 2021-03-11 Nathan Sidwell <nathan@acm.org>
2961 PR c++/99528
2962 * module.cc (enum merge_kind): Delete MK_type_tmpl_spec,
2963 MK_decl_tmpl_spec.
2964 (trees_in::decl_value): Adjust add_mergeable_specialization call.
2965 (trees_out::get_merge_kind): Adjust detecting a partial template
2966 instantiation.
2967 (trees_out::key_mergeable): Adjust handling same.
2968 (trees_in::key_mergeabvle): Likewise.
2970 2021-03-10 Nathan Sidwell <nathan@acm.org>
2972 PR c++/99423
2973 * module.cc (post_load_processing): Assert not gcable.
2974 (laxy_load_pendings): Extend no-gc region around
2975 post_load_processing.
2977 2021-03-10 Nathan Sidwell <nathan@acm.org>
2979 PR c++/99508
2980 * decl.c (make_rtl_for_nonlocal_decl): Propagate local-extern's
2981 assembler name to the ns alias.
2983 2021-03-09 Jakub Jelinek <jakub@redhat.com>
2985 PR c++/99459
2986 * coroutines.cc (build_co_await): Look through NOP_EXPRs in
2987 build_special_member_call return value to find the CALL_EXPR.
2988 Simplify.
2990 2021-03-09 Nathan Sidwell <nathan@acm.org>
2992 PR c++/99472
2993 * parser.c (cp_parser_diagnose_invalid_type_name): Clarify
2994 that C++20 does not yet imply modules.
2996 2021-03-08 Nathan Sidwell <nathan@acm.org>
2998 PR c++/99436
2999 * name-lookup.c (get_cxx_dialect_name): Add cxx23.
3001 2021-03-08 Nathan Sidwell <nathan@acm.org>
3003 * lex.c (module_token_filter::resume): Ignore module-decls inside
3004 header-unit.
3005 * parser.c (cp_parser_module_declaration): Reject in header-unit.
3007 2021-03-08 Nathan Sidwell <nathan@acm.org>
3009 PR c++/99285
3010 * cp-tree.h (match_mergeable_specialization)
3011 (add_mergeable_specialization): Adjust parms.
3012 * module.cc (trees_in::decl_value): Adjust
3013 add_mergeable_specialization calls.
3014 (trees_out::key_mergeable): Adjust match_mergeable_specialization
3015 calls.
3016 (specialization_add): Likewise.
3017 * pt.c (match_mergeable_specialization): Do not insert.
3018 (add_mergeable_specialization): Add to hash table here.
3020 2021-03-06 Patrick Palka <ppalka@redhat.com>
3021 Jakub Jelinek <jakub@redhat.com>
3023 PR c++/99287
3024 * constexpr.c (cxx_eval_increment_expression): Pass lval when
3025 evaluating the MODIFY_EXPR, and update 'mod' with the result of
3026 this evaluation. Check *non_constant_p afterwards. For prefix
3027 ops, just return 'mod'.
3029 2021-03-06 Patrick Palka <ppalka@redhat.com>
3030 Jakub Jelinek <jakub@redhat.com>
3032 PR c++/96330
3033 * pt.c (tsubst_copy) <case TEMPLATE_ID_EXPR>: Rename local
3034 variable 'fn' to 'tmpl'. Handle a variable template-id by
3035 calling lookup_template_variable.
3037 2021-03-06 Patrick Palka <ppalka@redhat.com>
3039 PR c++/99365
3040 * pt.c (unify) <case TEMPLATE_TYPE_PARM>: Pass targs as
3041 outer_targs to do_auto_deduction.
3042 (placeholder_type_constraint_dependent_p): Define.
3043 (do_auto_deduction): When processing_template_decl != 0
3044 and context is adc_unify and we have constraints, pretend the
3045 constraints are satisfied instead of punting. Otherwise don't
3046 punt unless placeholder_type_constraint_dependent_p holds.
3047 Add some clarifying sanity checks. Add a hack to add missing
3048 outermost template levels to outer_args before checking
3049 satisfaction. Don't substitute outer_targs into type if it's
3050 already been done.
3052 2021-03-05 Marek Polacek <polacek@redhat.com>
3054 PR c++/99374
3055 * call.c (standard_conversion): When converting pointers to
3056 member, don't return NULL when the bases are equivalent but
3057 incomplete.
3059 2021-03-05 Marek Polacek <polacek@redhat.com>
3061 PR c++/99120
3062 * name-lookup.c (check_local_shadow): Check if the type of decl
3063 is non-null before checking TYPE_PTR*.
3065 2021-03-05 Nathan Sidwell <nathan@acm.org>
3067 PR c++/99245
3068 * module.cc (module_state::write_cluster): Relax binding assert.
3070 2021-03-05 Nathan Sidwell <nathan@acm.org>
3072 PR c++/99377
3073 * pt.c (instantiate_decl): Call set_instantiating_module.
3075 2021-03-05 Iain Sandoe <iain@sandoe.co.uk>
3077 PR c++/98118
3078 * coroutines.cc (build_co_await): Use type_build_ctor_call()
3079 to determine cases when a CTOR needs to be built.
3080 (flatten_await_stmt): Likewise.
3081 (morph_fn_to_coro): Likewise.
3083 2021-03-05 Iain Sandoe <iain@sandoe.co.uk>
3085 PR c++/95616
3086 * coroutines.cc (coro_diagnose_throwing_fn): New helper.
3087 (coro_diagnose_throwing_final_aw_expr): New helper.
3088 (build_co_await): Diagnose throwing final await expression
3089 components.
3090 (build_init_or_final_await): Diagnose a throwing promise
3091 final_suspend() call.
3093 2021-03-05 Iain Sandoe <iain@sandoe.co.uk>
3095 PR c++/95615
3096 * coroutines.cc (struct param_info): Track parameter copies that need
3097 a DTOR.
3098 (coro_get_frame_dtor): New helper function factored from build_actor().
3099 (build_actor_fn): Use coro_get_frame_dtor().
3100 (morph_fn_to_coro): Track parameters that need DTORs on exception,
3101 likewise the frame promise and the return object. On exception, run the
3102 DTORs for these, destroy the frame and then rethrow the exception.
3104 2021-03-05 Nathan Sidwell <nathan@acm.org>
3106 PR c++/99389
3107 * pt.c (instantiate_class_template_1): Set instantiating module
3108 here.
3110 2021-03-05 Tobias Burnus <tobias@codesourcery.com>
3112 PR c/99137
3113 * parser.c (cp_parser_oacc_clause_async): Reject comma expressions.
3115 2021-03-04 Jakub Jelinek <jakub@redhat.com>
3117 PR c++/88146
3118 PR c++/99362
3119 * cvt.c (convert_to_void): Revert 2019-10-17 changes. Clarify
3120 comment.
3122 2021-03-04 Nathan Sidwell <nathan@acm.org>
3124 PR c++/99170
3125 * module.cc (class uintset): Delete.
3126 (typedef attached_map_t): A hash map.
3127 (attached_table): Use attached_map_t. Adjust uses ...
3128 (trees_out::decl_value, trees_in::decl_value): ... here ...
3129 (trees_out::key_mergeable): ... here ...
3130 (trees_in::key_mergeable): ... here ...
3131 (maybe_attach_decl): ... here ...
3132 (direct_import): ... and here.
3134 2021-03-04 Nathan Sidwell <nathan@acm.org>
3136 PR c++/99170
3137 * cp-tree.h
3138 * lex.c (cxx_dup_lang_specific_decl): Adjust for module_attached_p
3139 rename.
3140 * module.cc (class pending_key): New.
3141 (default_hash_traits<pending_key>): New specialization.
3142 (pending_map_t): New typedef.
3143 (pending_table): Replace old table.
3144 (trees_out::lang_decl_bools): Adjust.
3145 (trees_in::lang_decl_bools): Adjust.
3146 (trees_in::install_entity): Drop pending member and specialization
3147 handling.
3148 (find_pending_key): New.
3149 (depset::hash::fiund_dependencies): Use it.
3150 (pendset_lazy_load): Delete.
3151 (module_state::write_cluster): Don't count pendings here. Bye
3152 Duff's device-like thing.
3153 (module_state::write_pendings): Reimplement.
3154 (module_state::read_pendings): Reimplement.
3155 (lazy_specializations_p): Delete.
3156 (module_state::write): Adjust write_pendings call.
3157 (lazy_load_pendings): New.
3158 (lazy_load_specializations): Delete.
3159 (lazy_load_members): Delete.
3160 (init_modules): Adjust.
3161 * name-lookup.c (maybe_lazily_declare): Call lazy_load_pendings
3162 not lazy_load_members.
3163 (note_pending_specializations): Delete.
3164 (load_pending_specializations): Delete.
3165 * name-lookup.h (BINDING_VECTR_PENDING_SPECIALIZATIONS_P): Delete.
3166 (BINDING_VECTOR_PENDING_MEMBERS_P): Delete.
3167 (BINDING_VECTR_PENDING_MEMBERS_P): Delete.
3168 (note_pending_specializations): Delete.
3169 (load_pending_specializations): Delete.
3170 * pt.c (lookup_template_class_1): Call lazy_load_pendings not
3171 lazy_load_specializations.
3172 (instantiate_template_class_1): Likewise.
3173 (instantiate_decl): Call lazy_load_pendings.
3174 * typeck.c (complete_type): Likewise.
3176 2021-03-03 Nathan Sidwell <nathan@acm.org>
3178 PR c++/99170
3179 * module.cc (post_load_decls): New.
3180 (lazy_snum, recursive_lazy): Move earlier.
3181 (module_state::read_cluster): Push cloning onto post_load_decls.
3182 (post_load_processing): New. Do the cloning here.
3183 (module_state::read_inits): Call post_load_processing.
3184 (module_state::read_language): Likewise.
3185 (lazy_load_binding, lazy_load_specializations): Likewise
3186 (lazy_load_members): Likewise
3188 2021-03-03 Nathan Sidwell <nathan@acm.org>
3190 PR c++/99170
3191 * module.cc (trees_out::decl_value): Stream specialization keys
3192 after decl.
3193 (trees_in::decl_value): Stream them back and insert after
3194 completing the decl.
3195 (trees_out::key_mergeable): Drop some streaming here ...
3196 (trees_in::key_mergeable): ... and here. Don't insert into
3197 specialization tables.
3199 2021-03-03 Patrick Palka <ppalka@redhat.com>
3201 * constraint.cc (struct sat_info): Document the different
3202 meanings of noisy() and diagnose_unsatisfaction_p() during
3203 satisfaction and requires-expression evaluation.
3204 (tsubst_valid_expression_requirement): Take a sat_info instead
3205 of a subst_info. Perform the substitution quietly first. Fold
3206 in error-replaying code from diagnose_valid_expression.
3207 (tsubst_simple_requirement): Take a sat_info instead of a
3208 subst_info.
3209 (tsubst_type_requirement_1): New. Fold in error-replaying code
3210 from diagnose_valid_type.
3211 (tsubst_type_requirement): Use the above. Take a sat_info
3212 instead of a subst_info.
3213 (tsubst_compound_requirement): Likewise. Fold in
3214 error-replaying code from diagnose_compound_requirement.
3215 (tsubst_nested_requirement): Take a sat_info instead of a
3216 subst_info. Fold in error-replaying code from
3217 diagnose_nested_requirement.
3218 (tsubst_requirement): Take a sat_info instead of a subst_info.
3219 (tsubst_requires_expr): Split into two versions, one that takes
3220 a sat_info argument and another that takes a complain and
3221 in_decl argument. Remove outdated documentation. Document the
3222 effects of the sat_info argument. Don't short-circuit
3223 processing of requirements when diagnosing unsatisfaction,
3224 mirroring diagnose_requires_expr.
3225 (satisfy_nondeclaration_constraint) <case REQUIRES_EXPR>: Remove
3226 assert, and se the three-parameter version of tsubst_requires_expr.
3227 (diagnose_trait_expr): Make static. Take a template argument
3228 vector instead of a parameter mapping.
3229 (diagnose_valid_expression): Remove.
3230 (diagnose_valid_type): Remove.
3231 (diagnose_simple_requirement): Remove.
3232 (diagnose_compound_requirement): Remove.
3233 (diagnose_type_requirement): Remove.
3234 (diagnose_nested_requirement): Remove.
3235 (diagnose_requirement): Remove.
3236 (diagnose_requires_expr): Remove.
3237 (diagnose_atomic_constraint): Take a sat_info instead of a
3238 subst_info. Adjust call to diagnose_trait_expr. Call
3239 tsubst_requires_expr instead of diagnose_requires_expr.
3240 (diagnose_constraints): Remove special casing of REQUIRES_EXPR
3241 and just always call constraint_satisfaction_value.
3243 2021-03-03 Patrick Palka <ppalka@redhat.com>
3245 * constexpr.c (cxx_eval_call_expression): Adjust call to
3246 evaluate_concept_check.
3247 (cxx_eval_constant_expression) <case REQUIRES_EXPR>: Use
3248 evaluate_requires_expression instead of
3249 satisfy_constraint_expression.
3250 <case TEMPLATE_ID_EXPR>: Adjust call to evaluate_concept_check.
3251 * constraint.cc (struct sat_info): Adjust comment about which
3252 satisfaction entrypoints use noisy-unsat.
3253 (normalize_template_requirements): Remove (and adjust callers
3254 appropriately).
3255 (normalize_nontemplate_requirements): Likewise.
3256 (tsubst_nested_requirement): Use constraint_satisfaction_value
3257 instead of satisfy_constraint_expression, which'll do the
3258 noisy replaying of ill-formed quiet satisfaction for us.
3259 (decl_satisfied_cache): Adjust comment.
3260 (satisfy_constraint): Rename to ...
3261 (satisfy_normalized_constraints): ... this.
3262 (satisfy_associated_constraints): Remove (and make its
3263 callers check for dependent arguments).
3264 (satisfy_constraint_expression): Rename to ...
3265 (satisfy_nondeclaration_constraints): ... this. Assert that
3266 'args' is empty when 't' is a concept-id. Removing handling
3267 bare constraint-expressions, and handle REQUIRES_EXPRs
3268 specially. Adjust comment accordingly.
3269 (satisfy_declaration_constraints): Assert in the two-parameter
3270 version that 't' is not a TEMPLATE_DECL. Adjust following
3271 removal of normalize_(non)?template_requirements and
3272 satisfy_asociated_constraints.
3273 (constraint_satisfaction_value): Combine the two- and
3274 three-parameter versions in the natural way.
3275 (constraints_satisfied_p): Combine the one- and two-parameter
3276 versions in the natural way. Improve documentation.
3277 (evaluate_requires_expr): Define.
3278 (evaluate_concept_check): Remove 'complain' parameter. Use
3279 constraint_satisfaction_value instead of
3280 satisfy_constraint_expression.
3281 (diagnose_nested_requirement): Adjust following renaming of
3282 satisfy_constraint_expression.
3283 (diagnose_constraints): Handle REQUIRES_EXPR by going through
3284 diagnose_requires_expr directly instead of treating it as a
3285 constraint-expression. Improve documentation.
3286 * cp-gimplify.c (cp_genericize_r) <case CALL_EXPR>: Adjust call
3287 to evaluate_concept_check.
3288 <case REQUIRES_EXPR>: Use evaluate_requires_expr instead of
3289 constraints_satisfied_p.
3290 <case TEMPLATE_ID_EXPR>: Adjust call to evaluate_concept_check.
3291 * cp-tree.h (evaluate_requires_expr): Declare.
3292 (evaluate_concept_check): Remove tsubst_flag_t parameter.
3293 (satisfy_constraint_expression): Remove declaration.
3294 (constraints_satisfied_p): Remove one-parameter declaration.
3295 Add a default argument to the two-parameter declaration.
3296 * cvt.c (convert_to_void): Adjust call to
3297 evaluate_concept_check.
3299 2021-03-03 Jakub Jelinek <jakub@redhat.com>
3301 PR c++/82959
3302 * call.c (op_is_ordered): Handle TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR
3303 and COMPOUND_EXPR.
3305 2021-03-03 Marek Polacek <polacek@redhat.com>
3307 PR c++/97034
3308 PR c++/99009
3309 * pt.c (build_deduction_guide): Use INNERMOST_TEMPLATE_ARGS.
3310 (maybe_aggr_guide): Use the original template type where needed. In
3311 a class member template, partially instantiate the result of
3312 collect_ctor_idx_types.
3313 (do_class_deduction): Defer the deduction until the enclosing
3314 scope is non-dependent.
3316 2021-03-03 Jason Merrill <jason@redhat.com>
3318 PR c++/95675
3319 * call.c (build_temp): Wrap a CALL_EXPR in a TARGET_EXPR
3320 if it didn't get one before.
3322 2021-03-03 Nathan Sidwell <nathan@acm.org>
3324 PR c++/99344
3325 * module.cc (trees_out::decl_node): Small refactor.
3326 (depset::hash::add_binding_entity): Return true on meeting an
3327 import. Set namespace's import here.
3328 (module_state:write_namespaces): Inform of purview too.
3329 (module_state:read_namespaces): Adjust.
3330 * name-lookup.c (implicitly_export_namespace): Delete.
3331 (do_pushdecl): Don't call it.
3332 (push_namespace): Likewise, set purview.
3333 (add_imported_namespace): Reorder parms.
3334 * name-lookup.h (add_imported_namespace): Alter param ordering.
3336 2021-03-02 Martin Sebor <msebor@redhat.com>
3338 PR c++/99251
3339 * class.c (build_base_path): Call build_if_nonnull.
3340 * cp-tree.h (build_if_nonnull): Declare.
3341 * rtti.c (ifnonnull): Rename...
3342 (build_if_nonnull): ...to this. Set no-warning bit on COND_EXPR.
3343 (build_dynamic_cast_1): Adjust to name change.
3345 2021-03-02 Patrick Palka <ppalka@redhat.com>
3347 PR c++/96443
3348 PR c++/96960
3349 * constraint.cc (type_deducible_p): Don't substitute into the
3350 constraints, and instead just pass 'args' to do_auto_deduction
3351 as the outer template arguments.
3352 (tsubst_parameter_mapping): Remove confused code for handling
3353 placeholder type arguments.
3354 (normalize_placeholder_type_constraint): Define.
3355 (satisfy_constraint_expression): Use it to handle placeholder
3356 'auto' types.
3357 * cp-tree.h (PLACEHOLDER_TYPE_CONSTRAINTS_INFO): Define.
3358 (PLACEHOLDER_TYPE_CONSTRAINTS): Redefine in terms of the above.
3359 * pt.c (tsubst) <case TEMPLATE_TYPE_PARM>: Use
3360 PLACEHOLDER_TYPE_CONSTRAINTS_INFO instead.
3361 (make_constrained_placeholder_type): Set
3362 PLACEHOLDER_TYPE_CONSTRAINTS_INFO instead.
3363 (do_auto_deduction): Clarify comments about the outer_targs
3364 parameter. Rework satisfaction of a placeholder type constraint
3365 to pass in the complete set of template arguments directly to
3366 constraints_satisfied_p.
3367 (splice_late_return_type): Use PLACEHOLDER_TYPE_CONSTRAINTS_INFO
3368 instead. Also rebuild the the constraint info on the new auto.
3370 2021-03-02 Patrick Palka <ppalka@redhat.com>
3372 * constraint.cc (build_parameter_mapping): Rely on the caller to
3373 determine the in-scope template parameters.
3374 (norm_info::norm_info): Delegate the tsubst_flags_t constructor
3375 to the two-parameter constructor. In the two-parameter
3376 constructor, fold in the definition of make_context, set
3377 initial_parms appropriately, and don't set the now-removed
3378 orig_decl member.
3379 (norm_info::make_context): Remove, now that its only use is
3380 inlined into the caller.
3381 (norm_info::update_context): Adjust call to
3382 build_parameter_mapping to pass in the relevant set of in-scope
3383 template parameters.
3384 (norm_info::ctx_parms): Define this member function.
3385 (norm_info::context): Initialize to NULL_TREE.
3386 (norm_info::orig_decl): Remove this data member.
3387 (norm_info::initial_parms): Define this data member.
3388 (normalize_atom): Adjust call to build_parameter_mapping to pass
3389 in the relevant set of in-scope template parameters. Use
3390 info.initial_parms instead of info.orig_decl.
3391 (normalize_constraint_expression): Take a norm_info object
3392 instead of a bool. Cache the result of normalization.
3393 (tsubst_nested_requirement): Call satisfy_constraint_expression
3394 instead of satisfy_constraint, so that we normalize on demand.
3395 (satisfy_constraint_expression): Handle a NESTED_REQ argument.
3396 Adjust call to normalize_constraint_expression.
3397 (finish_nested_requirement): Set the TREE_TYPE of the NESTED_REQ
3398 to current_template_parms.
3399 (diagnose_nested_requirements): Go through
3400 satisfy_constraint_expression, as with tsubst_nested_requirement.
3402 2021-03-02 Patrick Palka <ppalka@redhat.com>
3404 * constraint.cc (tsubst_parameter_mapping): Canonicalize the
3405 arguments of a substituted TYPE_ARGUMENT_PACK even if we've
3406 started with a TYPE_ARGUMENT_PACK.
3407 (finish_requires_expr): Don't set DECL_CONTEXT and
3408 CONSTRAINT_VAR_P on each of the introduced parameters here.
3409 * parser.c (cp_parser_requirement_parameter_list): Instead set
3410 these fields earlier, here.
3411 * pt.c (do_auto_deduction): Canonicalize the result of
3412 do_auto_deduction. Pass 'complain' to finish_decltype_type.
3414 2021-03-02 Patrick Palka <ppalka@redhat.com>
3416 * constraint.cc (tsubst_simple_requirement): Just return
3417 boolean_true_node on success.
3418 (tsubst_type_requirement): Likewise.
3419 (tsubst_compound_requirement): Likewise.
3420 (tsubst_nested_requirement): Likewise.
3421 (tsubst_requirement_body): Remove.
3422 (check_constaint_variables): Rename to ...
3423 (check_constraint_variables): ... this.
3424 (tsubst_constraint_variables): Adjust.
3425 (tsubst_requires_expr): Fold tsubst_requirement_body into here.
3427 2021-03-01 Nathan Sidwell <nathan@acm.org>
3429 PR c++/99294
3430 * class.c (fixup_type_variants): Propagate mode, precision,
3431 alignment & emptiness.
3432 * module.cc (trees_out::type_node): Use TYPE_ALIGN_RAW.
3433 (trees_in::tree_node): Rematerialize alignment here.
3435 2021-02-27 Jason Merrill <jason@redhat.com>
3437 PR c++/90333
3438 * parser.c (cp_parser_lambda_declarator_opt): Accept GNU attributes
3439 between () and ->.
3441 2021-02-26 Jakub Jelinek <jakub@redhat.com>
3443 * parser.c (cp_parser_lambda_declarator_opt): Implement
3444 P1102R2 - Down with ()! Make ()s optional before lambda specifiers
3445 for -std={c,gnu}++2b or with pedwarn in earlier versions.
3447 2021-02-26 Jakub Jelinek <jakub@redhat.com>
3449 PR c++/95451
3450 * lambda.c (is_lambda_ignored_entity): Before checking for
3451 LAMBDA_FUNCTION_P, use OVL_FIRST. Drop FUNCTION_DECL check.
3453 2021-02-26 Jason Merrill <jason@redhat.com>
3455 PR c++/98810
3456 * pt.c (tsubst_copy) [VIEW_CONVERT_EXPR]: Add const
3457 to a class non-type template argument that needs it.
3459 2021-02-26 Patrick Palka <ppalka@redhat.com>
3461 PR c++/98990
3462 * pt.c (splice_late_return_type): Rebuild the entire return type
3463 if we have to adjust the level of an auto within.
3464 (type_uses_auto): Adjust call to find_type_usage.
3465 * type-utils.h (find_type_usage): Revert r10-6571 change that
3466 made this function return a pointer to the auto node.
3468 2021-02-25 Patrick Palka <ppalka@redhat.com>
3470 PR c++/99213
3471 PR c++/94521
3472 * error.c (dump_scope): Pass TFF_NO_TEMPLATE_BINDINGS instead of
3473 TFF_NO_FUNCTION_ARGUMENTS when dumping a function scope.
3475 2021-02-25 Patrick Palka <ppalka@redhat.com>
3477 PR c++/99103
3478 * pt.c (is_spec_or_derived): Drop cv-qualifiers from 'etype'.
3479 (maybe_aggr_guide): Fix order of arguments to is_spec_or_derived.
3481 2021-02-25 Marek Polacek <polacek@redhat.com>
3483 DR 1312
3484 PR c++/99176
3485 * constexpr.c (is_std_construct_at): New overload.
3486 (is_std_allocator_allocate): New overload.
3487 (cxx_eval_call_expression): Use the new overloads.
3488 (cxx_eval_constant_expression): Reject casting
3489 from void * as per DR 1312. Don't check can_convert.
3491 2021-02-25 Iain Sandoe <iain@sandoe.co.uk>
3493 PR c++/97587
3494 * coroutines.cc (struct param_info): Track rvalue refs.
3495 (morph_fn_to_coro): Track rvalue refs, and call the promise
3496 CTOR with the frame copy of passed parms.
3498 2021-02-25 Iain Sandoe <iain@sandoe.co.uk>
3500 PR c++/95822
3501 * coroutines.cc (morph_fn_to_coro): Unconditionally remove any
3502 set throwing_cleanup marker.
3504 2021-02-25 Nathan Sidwell <nathan@acm.org>
3506 PR c++/99166
3507 * module.cc (module_state::inform_cmi_p): Renamed field.
3508 (module_state::do_import): Adjust.
3509 (init_modules, finish_module_processing): Likewise.
3510 (handle_module_option): Likewise.
3512 2021-02-25 Nathan Sidwell <nathan@acm.org>
3514 PR c++/98318
3515 * mapper-client.cc (module_client::open_module_client): Fix typo
3516 of fd init.
3518 2021-02-24 Nathan Sidwell <nathan@acm.org>
3520 PR c++/98718
3521 * module.cc (ool): New indirection vector.
3522 (loc_spans::maybe_propagate): Location is not optional.
3523 (loc_spans::open): Likewise. Assert monotonically advancing.
3524 (module_for_ordinary_loc): Use ool indirection vector.
3525 (module_state::write_prepare_maps): Do not count empty macro
3526 expansions. Elide empty spans.
3527 (module_state::write_macro_maps): Skip empty expansions.
3528 (ool_cmp): New qsort comparator.
3529 (module_state::write): Create and destroy ool vector.
3530 (name_pending_imports): Fix dump push/pop.
3531 (preprocess_module): Likewise. Add more dumping.
3532 (preprocessed_module): Likewise.
3534 2021-02-24 Iain Sandoe <iain@sandoe.co.uk>
3536 PR c++/96251
3537 * coroutines.cc (coro_common_keyword_context_valid_p): Suppress
3538 error reporting when instantiating for a constexpr.
3540 2021-02-23 Nathan Sidwell <nathan@acm.org>
3542 PR c++/99208
3543 * decl.c (name_unnamed_type): Check DECL identity, not IDENTIFIER
3544 identity.
3546 2021-02-23 Patrick Palka <ppalka@redhat.com>
3548 PR c++/95468
3549 * pt.c (tsubst_copy_and_build) <case BASELINK>: New case, copied
3550 over from tsubst_copy.
3552 2021-02-23 Patrick Palka <ppalka@redhat.com>
3554 * pt.c (instantiation_dependent_expression_p): Check
3555 processing_template_decl before calling
3556 potential_constant_expression.
3558 2021-02-22 Nathan Sidwell <nathan@acm.org>
3560 PR c++/99174
3561 * module.cc (struct module_state): Add visited_p flag.
3562 (name_pending_imports): Use it to avoid duplicate requests.
3563 (preprocess_module): Don't read preprocessor state if we failed to
3564 load a module's config.
3566 2021-02-22 Nathan Sidwell <nathan@acm.org>
3568 PR c++/99153
3569 * decl.c (duplicate_decls): Move DECL_MODULE_IMPORT_P propagation
3570 to common-path.
3571 * module.cc (set_defining_module): Add assert.
3573 2021-02-19 Nathan Sidwell <nathan@acm.org>
3575 PR c++/98741
3576 * module.cc (pending_imports): New.
3577 (declare_module): Adjust test condition.
3578 (name_pending_imports): New.
3579 (preprocess_module): Reimplement using pending_imports.
3580 (preprocessed_module): Move name-getting to name_pending_imports.
3581 * name-lookup.c (append_imported_binding_slot): Assert module
3582 ordering is increasing.
3584 2021-02-19 Nathan Sidwell <nathan@acm.org>
3586 * module.cc (note_cmis): New.
3587 (struct module_state): Add inform_read_p bit.
3588 (module_state::do_import): Inform of CMI location, if enabled.
3589 (init_modules): Canonicalize note_cmis entries.
3590 (handle_module_option): Handle -flang-info-module-read=FOO.
3592 2021-02-19 Jason Merrill <jason@redhat.com>
3594 PR c++/96926
3595 * call.c (perfect_conversion_p): Limit rvalueness
3596 test to reference bindings.
3598 2021-02-19 Jason Merrill <jason@redhat.com>
3600 PR c++/96926
3601 * call.c (perfect_conversion_p): New.
3602 (perfect_candidate_p): New.
3603 (add_candidates): Ignore templates after a perfect non-template.
3605 2021-02-18 Nathan Sidwell <nathan@acm.org>
3607 PR c++/99023
3608 * module.cc (canonicalize_header_name): Use
3609 cpp_probe_header_unit.
3610 (maybe_translate_include): Fix note_includes comparison.
3611 (init_modules): Fix note_includes string termination.
3613 2021-02-18 Jakub Jelinek <jakub@redhat.com>
3615 PR c++/99132
3616 * cp-gimplify.c (cp_genericize_r) <case CALL_EXPR>: Use
3617 cp_get_callee_fndecl_nofold instead of cp_get_callee_fndecl to check
3618 for immediate function calls.
3620 2021-02-17 Nathan Sidwell <nathan@acm.org>
3622 PR c++/99023
3623 * module.cc (struct macro_export): Add GTY markers.
3624 (macro_exports): Likewise, us a va_gc Vector.
3626 2021-02-17 Jakub Jelinek <jakub@redhat.com>
3628 PR sanitizer/99106
3629 * init.c (build_zero_init_1): For flexible array members just return
3630 NULL_TREE instead of returning empty CONSTRUCTOR with non-complete
3631 ARRAY_TYPE.
3633 2021-02-17 Nathan Sidwell <nathan@acm.org>
3635 PR c++/99116
3636 * name-lookup.c (do_pushdecl): Don't peek under template_parm
3637 bindings here ...
3638 (set_identifier_type_value_with_scope): ... or here.
3639 (do_pushtag): Only set_identifier_type_value_with_scope at
3640 non-class template parm scope, and use parent scope.
3642 2021-02-17 Nathan Sidwell <nathan@acm.org>
3644 PR c++/99071
3645 * name-lookup.c (maybe_record_mergeable_decl): Deref the correct
3646 pointer.
3648 2021-02-17 Patrick Palka <ppalka@redhat.com>
3650 PR debug/96997
3651 PR c++/94034
3652 * tree.c (build_aggr_init_expr): Revert r10-7718 change.
3654 2021-02-12 Nathan Sidwell <nathan@acm.org>
3656 * module.cc (module_state::write_cluster): Check bindings for
3657 imported using-decls.
3659 2021-02-12 Nathan Sidwell <nathan@acm.org>
3661 PR c++/99040
3662 * module.cc (trees_in::decl_value): Call add_module_namespace_decl
3663 for new namespace-scope entities.
3664 (module_state::read_cluster): Don't call add_module_decl here.
3665 * name-lookup.h (add_module_decl): Rename to ...
3666 (add_module_namespace_decl): ... this.
3667 * name-lookup.c (newbinding_bookkeeping): Move into ...
3668 (do_pushdecl): ... here. Its only remaining caller.
3669 (add_module_decl): Rename to ...
3670 (add_module_namespace_decl): ... here. Add checking-assert for
3671 circularity. Don't call newbinding_bookkeeping, just extern_c
3672 checking and incomplete var checking.
3674 2021-02-12 Nathan Sidwell <nathan@acm.org>
3676 PR c++/99039
3677 PR c++/99040
3678 * cp-tree.h (CPTI_GLOBAL_TYPE): Delete.
3679 (global_type_node): Delete.
3680 (IDENTIFIER_TYPE_VALUE): Delete.
3681 (IDENTIFIER_HAS_TYPE_VALUE): Delete.
3682 (get_type_value): Delete.
3683 * name-lookup.h (identifier_type_value): Delete.
3684 * name-lookup.c (check_module_override): Don't
3685 SET_IDENTIFIER_TYPE_VALUE here.
3686 (do_pushdecl): Nor here.
3687 (identifier_type_value_1, identifier_type_value): Delete.
3688 (set_identifier_type_value_with_scope): Only
3689 SET_IDENTIFIER_TYPE_VALUE for local and class scopes.
3690 (pushdecl_nanmespace_level): Remove shadow stack nadgering.
3691 (do_pushtag): Use REAL_IDENTIFIER_TYPE_VALUE.
3692 * call.c (check_dtor_name): Use lookup_name.
3693 * decl.c (cxx_init_decl_processing): Drop global_type_node.
3694 * decl2.c (cplus_decl_attributes): Don't SET_IDENTIFIER_TYPE_VALUE
3695 here.
3696 * init.c (get_type_value): Delete.
3697 * pt.c (instantiate_class_template_1): Don't call pushtag or
3698 SET_IDENTIFIER_TYPE_VALUE here.
3699 (tsubst): Assert never an identifier.
3700 (dependent_type_p): Drop global_type_node assert.
3701 * typeck.c (error_args_num): Don't use IDENTIFIER_HAS_TYPE_VALUE
3702 to determine ctorness.
3704 2021-02-12 Jakub Jelinek <jakub@redhat.com>
3706 PR c++/97742
3707 * parser.c (cp_parser_requirement_seq): Stop iterating after reaching
3708 CPP_EOF.
3710 2021-02-12 Jason Merrill <jason@redhat.com>
3712 PR c++/97246
3713 PR c++/94546
3714 * pt.c (extract_fnparm_pack): Check DECL_PACK_P here.
3715 (register_parameter_specializations): Not here.
3717 2021-02-11 Marek Polacek <polacek@redhat.com>
3719 PR c++/95888
3720 * pt.c (lookup_template_class_1): Pass tf_none to tsubst when looking
3721 for the partial instantiation.
3723 2021-02-11 Jakub Jelinek <jakub@redhat.com>
3725 PR c++/99033
3726 * init.c (build_zero_init_1): Handle zero initialiation of
3727 flexible array members like initialization of [0] arrays.
3728 Use integer_minus_onep instead of comparison to integer_minus_one_node
3729 and integer_zerop instead of comparison against size_zero_node.
3730 Formatting fixes.
3732 2021-02-11 Marek Polacek <polacek@redhat.com>
3734 PR c++/99063
3735 * semantics.c (finish_do_stmt): Check for unexpanded parameter packs.
3737 2021-02-11 Patrick Palka <ppalka@redhat.com>
3739 PR c++/97582
3740 * name-lookup.c (op_unqualified_lookup): Handle an ambiguous
3741 lookup result by discarding it if the first element is a
3742 class-scope declaration, otherwise return it.
3743 (push_operator_bindings): Handle an ambiguous lookup result by
3744 doing push_local_binding on each element in the list.
3746 2021-02-11 Marek Polacek <polacek@redhat.com>
3748 * parser.c (cp_parser_selection_statement): Use vec_free.
3750 2021-02-10 Jakub Jelinek <jakub@redhat.com>
3752 PR c++/98988
3753 PR c++/99031
3754 * constexpr.c: Include cgraph.h.
3755 (cxx_eval_call_expression): Call varpool_node::finalize_decl on
3756 heap artificial vars.
3757 (cxx_eval_outermost_constant_expr): Remove varpool nodes for
3758 heap artificial vars.
3760 2021-02-10 Nathan Sidwell <nathan@acm.org>
3762 PR c++/99030
3763 * pt.c (tsubst_copy) [VAR_DECL]: For a DECL_LOCAL_DECL_P T is the
3764 answer if there's no local specialization.
3766 2021-02-09 Nathan Sidwell <nathan@acm.org>
3768 PR c++/98944
3769 * module.cc (module_state::is_rooted): Rename to ...
3770 (module_state::has_location): ... here. Adjust callers.
3771 (module_state::read_partitions): Adjust validity check.
3772 Don't overwrite a known location.
3774 2021-02-09 Jason Merrill <jason@redhat.com>
3776 PR c++/96905
3777 * pt.c (mark_decl_instantiated): Exit early if consteval.
3779 2021-02-09 Jason Merrill <jason@redhat.com>
3781 PR c++/98326
3782 PR c++/20408
3783 * cp-gimplify.c (simple_empty_class_p): Don't touch an invisiref
3784 parm.
3786 2021-02-09 Jason Merrill <jason@redhat.com>
3788 PR c++/98994
3789 PR c++/97566
3790 * constexpr.c (cxx_eval_store_expression): Only skip empty fields in
3791 RECORD_TYPE.
3793 2021-02-08 Nathan Sidwell <nathan@acm.org>
3795 * decl.c (start_cleanup_fn): Push function into
3796 namespace.
3798 2021-02-08 Nathan Sidwell <nathan@acm.org>
3800 PR c++/98531
3801 * cp-tree.h (push_abi_namespace, pop_abi_namespace): Declare.
3802 * decl.c (push_abi_namespace, pop_abi_namespace): Moved
3803 from rtti.c, add default namespace arg.
3804 (check_redeclaration_exception_specification): Allow a lazy
3805 builtin's eh spec to differ from an lready-declared user
3806 declaration.
3807 (declare_global_var): Use push/pop_abi_namespace.
3808 (get_atexit_node): Push the fndecl into a namespace.
3809 * rtti.c (push_abi_namespace, pop_abi_namespace): Moved to
3810 decl.c.
3812 2021-02-08 Marek Polacek <polacek@redhat.com>
3814 * cp-tree.h (CLASSTYPE_TI_TEMPLATE): Fix typo.
3816 2021-02-05 Marek Polacek <polacek@redhat.com>
3818 PR c++/98947
3819 * call.c (build_conditional_expr_1): Don't call mark_lvalue_use
3820 on arg2/arg3.
3821 * expr.c (mark_use) <case MODIFY_EXPR>: Don't check read_p when
3822 issuing the -Wvolatile warning. Only set TREE_THIS_VOLATILE if
3823 a warning was emitted.
3825 2021-02-05 Marek Polacek <polacek@redhat.com>
3827 PR c++/96462
3828 * name-lookup.c (lookup_using_decl): Hoist the destructor check.
3830 2021-02-05 Jakub Jelinek <jakub@redhat.com>
3832 PR c++/97878
3833 * decl.c (check_array_initializer): For structured bindings, require
3834 the array type to be complete.
3836 2021-02-04 Jason Merrill <jason@redhat.com>
3838 PR c++/98717
3839 * constraint.cc (build_concept_check_arguments): Remove assert.
3840 (build_concept_check): Allow empty args.
3842 2021-02-04 Tom Greenslade (thomgree) <thomgree@cisco.com>
3844 PR c++/90926
3845 * call.c (can_convert_array): Extend to handle all valid aggregate
3846 initializers of an array; including by string literals, not just by
3847 brace-init-list.
3848 (build_aggr_conv): Call can_convert_array more often, not just in
3849 brace-init-list case.
3850 * typeck2.c (array_string_literal_compatible_p): New function.
3851 (digest_init_r): call array_string_literal_compatible_p
3852 * cp-tree.h: (array_string_literal_compatible_p): Declare.
3854 2021-02-04 Jason Merrill <jason@redhat.com>
3856 PR c++/98802
3857 * pt.c (do_class_deduction): No aggregate guide if any_dguides_p.
3859 2021-02-04 Jason Merrill <jason@redhat.com>
3861 PR c++/95192
3862 * pt.c (tsubst_attribute): Handle error.
3863 (apply_late_template_attributes): Return false on error.
3864 (tsubst_function_decl): Check its return value.
3865 (tsubst_decl): Likewise.
3866 (push_template_decl): Assert current_template_parms.
3867 (tsubst_template_decl): Set current_template_parms.
3869 2021-02-03 Marek Polacek <polacek@redhat.com>
3871 PR c++/98951
3872 * call.c (struct z_candidate): Mark rewritten and reversed as const.
3873 (struct NonPublicField): Mark operator() as const.
3874 (struct NonTrivialField): Likewise.
3876 2021-02-03 Jason Merrill <jason@redhat.com>
3878 PR c++/98926
3879 PR c++/98570
3880 * pt.c (spec_hasher::equal): Set processing_template_decl.
3881 * Make-lang.in (check-g++-strict-gc): Add --param
3882 hash-table-verification-limit=10000.
3884 2021-02-03 Marek Polacek <polacek@redhat.com>
3886 PR c++/98899
3887 * parser.c (cp_parser_class_specifier_1): Use any possible
3888 DEFPARSE_INSTANTIATIONS to update DEFERRED_NOEXCEPT_PATTERN.
3889 (cp_parser_save_noexcept): Initialize DEFPARSE_INSTANTIATIONS.
3890 * pt.c (tsubst_exception_specification): Stash new_specs into
3891 DEFPARSE_INSTANTIATIONS.
3892 * tree.c (fixup_deferred_exception_variants): Use
3893 UNPARSED_NOEXCEPT_SPEC_P.
3895 2021-02-02 Jason Merrill <jason@redhat.com>
3897 PR c++/98929
3898 PR c++/96199
3899 * error.c (dump_expr): Ignore dummy object.
3900 * pt.c (tsubst_baselink): Handle dependent scope.
3902 2021-02-01 Patrick Palka <ppalka@redhat.com>
3904 PR c++/98295
3905 * constexpr.c (cxx_eval_array_reference): Also set
3906 new_ctx.object when setting new_ctx.ctor.
3908 2021-02-01 Marek Polacek <polacek@redhat.com>
3910 PR c++/98355
3911 * parser.c (cp_parser_has_attribute_expression): Use
3912 uses_template_parms instead of type_dependent_expression_p.
3914 2021-02-01 Jason Merrill <jason@redhat.com>
3916 PR c++/98570
3917 * cp-tree.h: Declare it.
3918 * pt.c (comparing_dependent_aliases): New flag.
3919 (template_args_equal, spec_hasher::equal): Set it.
3920 (dependent_alias_template_spec_p): Assert that we don't
3921 get non-types other than error_mark_node.
3922 (instantiate_alias_template): SET_TYPE_STRUCTURAL_EQUALITY
3923 on complex alias specializations. Set TYPE_DEPENDENT_P here.
3924 (tsubst_decl): Not here.
3925 * module.cc (module_state::read_cluster): Set
3926 comparing_dependent_aliases instead of
3927 comparing_specializations.
3928 * tree.c (cp_tree_equal): Remove comparing_specializations
3929 module handling.
3930 * typeck.c (structural_comptypes): Adjust.
3931 (comptypes): Remove comparing_specializations handling.
3933 2021-01-29 Nathan Sidwell <nathan@acm.org>
3935 PR c++/98843
3936 * module.cc (module_state_config): Add num_entities field.
3937 (module_state::read_entities): The entity_ary span is
3938 already allocated.
3939 (module_state::write_config): Write num_entities.
3940 (module_state::read_config): Read num_entities.
3941 (module_state::write): Set config's num_entities.
3942 (module_state::read_initial): Allocate the entity ary
3943 span here.
3944 (module_state::read_language): Do not set entity_lwm
3945 here.
3947 2021-01-29 Marek Polacek <polacek@redhat.com>
3949 PR c++/96137
3950 * parser.c (cp_parser_class_name): If parser->scope is
3951 error_mark_node, return it, otherwise continue.
3953 2021-01-28 Jakub Jelinek <jakub@redhat.com>
3955 PR c++/98841
3956 * typeck.c (build_x_indirect_ref): For *this, return current_class_ref.
3958 2021-01-28 Jakub Jelinek <jakub@redhat.com>
3960 PR c++/33661
3961 PR c++/98847
3962 * decl.c (cp_finish_decl): For register vars with asmspec in templates
3963 call set_user_assembler_name and set DECL_HARD_REGISTER.
3964 * pt.c (tsubst_expr): When instantiating DECL_HARD_REGISTER vars,
3965 pass asmspec_tree to cp_finish_decl.
3967 2021-01-28 Nathan Sidwell <nathan@acm.org>
3969 PR c++/98770
3970 * module.cc (trees_out::decl_value): Swap is_typedef & TYPE_NAME
3971 check order.
3972 (trees_in::decl_value): Do typedef frobbing only when installing
3973 a new typedef, adjust is_matching_decl call. Swap is_typedef
3974 & TYPE_NAME check.
3975 (trees_in::is_matching_decl): Add is_typedef parm. Adjust variable
3976 names and deal with typedef checking.
3978 2021-01-27 Jason Merrill <jason@redhat.com>
3980 PR c++/97874
3981 * name-lookup.c (lookup_using_decl): Clean up handling
3982 of dependency and inherited constructors.
3983 (finish_nonmember_using_decl): Handle DECL_DEPENDENT_P.
3984 * pt.c (tsubst_expr): Handle DECL_DEPENDENT_P.
3986 2021-01-26 Jason Merrill <jason@redhat.com>
3988 PR c++/97474
3989 * call.c (type_passed_as): Don't mark invisiref restrict.
3991 2021-01-26 Jason Merrill <jason@redhat.com>
3993 PR c++/97566
3994 PR c++/98463
3995 * class.c (layout_class_type): An empty field gets size 0.
3996 (is_empty_field): New.
3997 (check_bases): Check it.
3998 * cp-tree.h (is_empty_field): Declare it.
3999 * constexpr.c (cxx_eval_store_expression): Check it.
4000 (cx_check_missing_mem_inits): Likewise.
4001 * init.c (perform_member_init): Likewise.
4002 * typeck2.c (process_init_constructor_record): Likewise.
4004 2021-01-25 Martin Sebor <msebor@redhat.com>
4006 PR c++/98646
4007 * cvt.c (cp_fold_convert): Propagate TREE_NO_WARNING.
4009 2021-01-25 Jason Merrill <jason@redhat.com>
4011 PR c++/98463
4012 * constexpr.c (get_or_insert_ctor_field): Add check.
4013 (cxx_eval_store_expression): Handle discontinuity of refs.
4015 2021-01-23 Anthony Sharp <anthonysharp15@gmail.com>
4017 * call.c (complain_about_access): Altered function.
4018 * cp-tree.h (complain_about_access): Changed parameters of function.
4019 (get_parent_with_private_access): Declared new function.
4020 * search.c (get_parent_with_private_access): Defined new function.
4021 * semantics.c (enforce_access): Modified function.
4022 * typeck.c (complain_about_unrecognized_member): Updated function
4023 arguments in complain_about_access.
4025 2021-01-23 Patrick Palka <ppalka@redhat.com>
4027 PR c++/97399
4028 * cp-tree.h (shared_member_p): Adjust declaration.
4029 * parser.c (cp_parser_init_declarator): If the storage class
4030 specifier is sc_static, pass true for static_p to
4031 cp_parser_declarator.
4032 (cp_parser_direct_declarator): Don't do inject_this_parm when
4033 the declarator is a friend.
4034 * search.c (shared_member_p): Change return type to bool and
4035 adjust function body accordingly. Return false for a dependent
4036 USING_DECL instead of aborting.
4037 * semantics.c (finish_qualified_id_expr): Rely on shared_member_p
4038 even when type-dependent.
4040 2021-01-22 Marek Polacek <polacek@redhat.com>
4042 PR c++/96623
4043 * parser.c (inject_parm_decls): Remove a redundant assignment.
4044 (cp_parser_class_specifier_1): Clear current_class_{ptr,ref}
4045 before calling inject_parm_decls.
4047 2021-01-22 Jason Merrill <jason@redhat.com>
4049 PR c++/98744
4050 * call.c (make_base_init_ok): Use DECL_HAS_VTT_PARM_P.
4052 2021-01-22 Jakub Jelinek <jakub@redhat.com>
4054 PR sanitizer/95693
4055 * init.c (build_zero_init_1): Revert the 2018-03-06 change to
4056 return build_zero_cst for reference types.
4057 * typeck2.c (process_init_constructor_record): Instead call
4058 build_zero_cst here during error recovery instead of build_zero_init.
4060 2021-01-22 Marek Polacek <polacek@redhat.com>
4062 PR c++/98545
4063 * mangle.c (write_member_name): Emit abi_warn_or_compat_version_crosses
4064 warnings regardless of abi_version_at_least.
4065 (write_expression): When the expression is a dependent name
4066 and an operator name, write "on" before writing its name.
4068 2021-01-22 Marek Polacek <polacek@redhat.com>
4070 PR c++/97966
4071 * pt.c (instantiate_class_template_1): Instantiate members
4072 marked with attribute used only after we're done instantiating
4073 the class.
4075 2021-01-21 Patrick Palka <ppalka@redhat.com>
4077 PR c++/71879
4078 * semantics.c (finish_decltype_type): Set up a cp_unevaluated
4079 sentinel at the start of the function. Remove a now-redundant
4080 manual adjustment of cp_unevaluated_operand.
4082 2021-01-21 Nathan Sidwell <nathan@acm.org>
4084 PR c++/98624
4085 * module.cc (depset::hash::find_dependencies): Add
4086 module arg.
4087 (trees_out::core_vals): Check state before calling
4088 write_location.
4089 (sort_cluster, module_state::write): Adjust
4090 find_dependencies call.
4092 2021-01-21 Jakub Jelinek <jakub@redhat.com>
4094 PR c++/98672
4095 * constexpr.c (check_for_return_continue_data): Add break_stmt member.
4096 (check_for_return_continue): Also look for BREAK_STMT. Handle
4097 SWITCH_STMT by ignoring break_stmt from its body.
4098 (potential_constant_expression_1) <case FOR_STMT>,
4099 <case WHILE_STMT>: If the condition isn't constant true, check if
4100 the loop body can contain a return stmt.
4101 <case SWITCH_STMT>: Adjust check_for_return_continue_data initializer.
4102 <case IF_STMT>: If recursion with tf_none is successful,
4103 merge *jump_target from the branches - returns with highest priority,
4104 breaks or continues lower. If then branch is potentially constant and
4105 doesn't return, check the else branch if it could return, break or
4106 continue.
4108 2021-01-21 Nathan Sidwell <nathan@acm.org>
4110 PR c++/98530
4111 * name-lookup.c (lookup_class_binding): Rearrange a stat-hack.
4113 2021-01-20 Nathan Sidwell <nathan@acm.org>
4115 * module.cc (bytes_in::i, bytes_in::wi): Avoid left shift of
4116 signed type.
4118 2021-01-20 Patrick Palka <ppalka@redhat.com>
4120 PR c++/95434
4121 * pt.c (tsubst) <case TEMPLATE_TYPE_PARM>: If tsubsting
4122 CLASS_PLACEHOLDER_TEMPLATE yields a TEMPLATE_TEMPLATE_PARM,
4123 adjust to its TEMPLATE_TEMPLATE_PARM_TEMPLATE_DECL.
4125 2021-01-20 Patrick Palka <ppalka@redhat.com>
4127 PR c++/82613
4128 * parser.c (cp_parser_class_head): Defer access checking when
4129 parsing the base-clause until all bases are seen and attached
4130 to the class type.
4131 * pt.c (instantiate_class_template): Likewise when substituting
4132 into dependent bases.
4134 2021-01-20 Jakub Jelinek <jakub@redhat.com>
4136 PR c++/98742
4137 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_DETACH>: If
4138 error_operand_p, remove clause without further checking. Check
4139 for non-NULL TYPE_NAME.
4141 2021-01-19 Marek Polacek <polacek@redhat.com>
4143 PR c++/98659
4144 * pt.c (maybe_instantiate_noexcept): Return false if FN is
4145 error_mark_node.
4147 2021-01-19 Marek Polacek <polacek@redhat.com>
4149 PR c++/98687
4150 * name-lookup.c (push_using_decl_bindings): New, broken out of...
4151 (finish_nonmember_using_decl): ...here.
4152 * name-lookup.h (push_using_decl_bindings): Update declaration.
4153 * pt.c (tsubst_expr): Update the call to push_using_decl_bindings.
4155 2021-01-19 Patrick Palka <ppalka@redhat.com>
4157 PR c++/41437
4158 PR c++/58993
4159 * search.c (friend_accessible_p): If scope is a hidden friend
4160 defined inside a dependent class, consider access from the
4161 class.
4162 * parser.c (cp_parser_late_parsing_for_member): Don't push a
4163 dk_no_check access state.
4165 2021-01-19 Marek Polacek <polacek@redhat.com>
4167 PR c++/98333
4168 * parser.c (cp_parser_class_specifier_1): Perform late-parsing
4169 of NSDMIs before late-parsing of noexcept-specifiers.
4171 2021-01-19 Nathan Sidwell <nathan@acm.org>
4173 * module.cc (identifier): Merge overloads.
4175 2021-01-19 Nathan Sidwell <nathan@acm.org>
4177 PR c++/98624
4178 * module.cc (trees_out::write_location): Make static.
4180 2021-01-16 Kwok Cheung Yeung <kcy@codesourcery.com>
4182 * parser.c (cp_parser_omp_clause_detach): New.
4183 (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_DETACH.
4184 (OMP_TASK_CLAUSE_MASK): Add mask for PRAGMA_OMP_CLAUSE_DETACH.
4185 * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
4186 * semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
4187 Prevent use of detach with mergeable and overriding the data sharing
4188 mode of the event handle.
4190 2021-01-15 Nathan Sidwell <nathan@acm.org>
4192 PR c++/98538
4193 * tree.c (cp_build_qualified_type_real): Propagate an array's
4194 dependentness to the copy, if known.
4196 2021-01-15 Jason Merrill <jason@redhat.com>
4198 PR c++/98642
4199 * call.c (unsafe_return_slot_p): Return int.
4200 (init_by_return_slot_p): Split out from...
4201 (unsafe_copy_elision_p): ...here.
4202 (unsafe_copy_elision_p_opt): New name for old meaning.
4203 (build_over_call): Adjust.
4204 (make_safe_copy_elision): New.
4205 * typeck2.c (split_nonconstant_init_1): Elide copy from safe
4206 list-initialization.
4207 * cp-tree.h: Adjust.
4209 2021-01-15 Jason Merrill <jason@redhat.com>
4211 * call.c (base_ctor_for, make_base_init_ok): New.
4212 (build_over_call): Use make_base_init_ok.
4214 2021-01-15 Jason Merrill <jason@redhat.com>
4216 PR c++/63707
4217 * tree.c (build_vec_init_expr): Don't call build_vec_init_elt
4218 if we got a CONSTRUCTOR.
4220 2021-01-15 Nathan Sidwell <nathan@acm.org>
4222 PR c++/98591
4223 * lang-specs.h: Fix handling of -fmodule-only with -fsyntax-only.
4225 2021-01-14 Jason Merrill <jason@redhat.com>
4227 * typeck2.c (process_init_constructor_record): Use fldtype
4228 variable consistently.
4230 2021-01-14 Nathan Sidwell <nathan@acm.org>
4232 PR c++/98372
4233 * tree.c (cp_tree_equal): Correct map_context logic.
4235 2021-01-13 Marek Polacek <polacek@redhat.com>
4237 PR c++/98231
4238 * name-lookup.c (push_using_decl_bindings): New.
4239 * name-lookup.h (push_using_decl_bindings): Declare.
4240 * pt.c (tsubst_expr): Call push_using_decl_bindings.
4242 2021-01-13 Nathan Sidwell <nathan@acm.org>
4244 PR c++/98626
4245 * module.cc (module_add_import_initializers): Pass a
4246 zero-element argument vector.
4248 2021-01-12 Patrick Palka <ppalka@redhat.com>
4250 PR c++/98611
4251 * tree.c (cp_walk_subtrees) <case TEMPLATE_TYPE_PARM>: Visit
4252 the template of a CTAD placeholder.
4254 2021-01-12 Marek Polacek <polacek@redhat.com>
4256 PR c++/98620
4257 * typeck2.c (process_init_constructor_record): Don't emit
4258 -Wmissing-field-initializers warnings in unevaluated contexts.
4260 2021-01-11 Jakub Jelinek <jakub@redhat.com>
4262 PR c++/98481
4263 * class.c (find_abi_tags_r): Set *walk_subtrees to 2 instead of 1
4264 for types.
4265 (mark_abi_tags_r): Likewise.
4266 * decl2.c (min_vis_r): Likewise.
4267 * tree.c (cp_walk_subtrees): If *walk_subtrees_p is 2, look through
4268 typedefs.
4270 2021-01-08 Patrick Palka <ppalka@redhat.com>
4272 PR c++/98551
4273 * constexpr.c (cxx_eval_call_expression): Check CLASS_TYPE_P
4274 instead of AGGREGATE_TYPE_P before calling replace_result_decl.
4276 2021-01-08 Patrick Palka <ppalka@redhat.com>
4278 PR c++/98515
4279 * semantics.c (check_accessibility_of_qualified_id): Punt if
4280 we're checking access of a scoped non-static member inside a
4281 class template.
4283 2021-01-07 Jakub Jelinek <jakub@redhat.com>
4285 PR c++/98329
4286 * pt.c (tsubst_copy) <case BIT_CAST_EXPR>: Don't call
4287 cp_build_bit_cast here, instead just build_min a BIT_CAST_EXPR and set
4288 its location.
4289 (tsubst_copy_and_build): Handle BIT_CAST_EXPR.
4291 2021-01-07 Marek Polacek <polacek@redhat.com>
4293 PR c++/98441
4294 * decl.c (grokdeclarator): Move the !funcdecl_p check inside the
4295 !late_return_type block.
4297 2021-01-07 Jason Merrill <jason@redhat.com>
4299 * constexpr.c (cxx_bind_parameters_in_call): Add comment.
4300 (cxx_eval_store_expression): Add comment.
4302 2021-01-07 Jason Merrill <jason@redhat.com>
4304 * call.c (has_next): Factor out from...
4305 (next_conversion): ...here.
4306 (strip_standard_conversion): And here.
4307 (is_subseq): And here.
4308 (build_conv): Check it.
4309 (standard_conversion): Don't call build_conv
4310 for ck_identity.
4312 2021-01-06 Martin Sebor <msebor@redhat.com>
4314 PR c++/95768
4315 * error.c (dump_expr): Call c_pretty_printer::unary_expression.
4317 2021-01-05 Patrick Palka <ppalka@redhat.com>
4319 * pt.c (unify) <case TEMPLATE_PARM_INDEX>: After walking into
4320 the type of the NTTP, substitute into the type again. If the
4321 type is still dependent, don't unify the NTTP.
4323 2021-01-05 Jakub Jelinek <jakub@redhat.com>
4325 * Make-lang.in (cc1plus-checksum, cc1plus$(exeext): Add
4326 $(CODYLIB) after $(BACKEND).
4328 2021-01-05 Jakub Jelinek <jakub@redhat.com>
4330 PR c++/98469
4331 * constexpr.c (cxx_eval_constant_expression) <case BIT_CAST_EXPR>:
4332 Punt if lval is true.
4333 * semantics.c (cp_build_bit_cast): Call get_target_expr_sfinae on
4334 the result if it has a class type.
4336 2021-01-05 Marek Polacek <polacek@redhat.com>
4338 PR c++/82099
4339 * pt.c (resolve_overloaded_unification): Call
4340 maybe_instantiate_noexcept after instantiating the function
4341 decl.
4343 2021-01-05 Nathan Sidwell <nathan@acm.org>
4345 * parser.c (cp_parser_module_declaration): Alter diagnostic
4346 text to say where is permissable.
4348 2021-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4350 PR c++/98316
4351 * Make-lang.in (cc1plus$(exeext)): Add $(CODYLIB), $(NETLIBS).
4353 2021-01-02 Jan Hubicka <jh@suse.cz>
4355 * cp-tree.h (cp_tree_c_finish_parsing): Declare.
4356 * decl2.c (c_parse_final_cleanups): Call cp_tree_c_finish_parsing.
4357 * tree.c (cp_tree_c_finish_parsing): New function.
4359 2021-01-01 Jakub Jelinek <jakub@redhat.com>
4361 * ChangeLog-2020: Rotate ChangeLog. New file.
4363 \f
4364 Copyright (C) 2021 Free Software Foundation, Inc.
4366 Copying and distribution of this file, with or without modification,
4367 are permitted in any medium without royalty provided the copyright
4368 notice and this notice are preserved.