1 2023-09-06 Jason Merrill <jason@redhat.com>
3 * class.cc (check_subobject_offset): Check
4 same_type_ignoring_top_level_qualifiers_p.
6 2023-09-05 Marek Polacek <polacek@redhat.com>
9 * constexpr.cc (verify_constant_explain_r): New.
10 (verify_constant): Call it.
12 2023-09-05 Jakub Jelinek <jakub@redhat.com>
15 * name-lookup.cc (check_local_shadow): Don't punt early for
16 DECL_EXTERNAL decls, instead just disable the shadowing of namespace
17 decls check for those and emit a pedwarn rather than error_at or
18 permerror for those. Formatting fix.
20 2023-09-05 Jakub Jelinek <jakub@redhat.com>
23 * name-lookup.h (struct cp_binding_level): Add artificial bit-field.
25 * name-lookup.cc (check_local_shadow): Skip artificial bindings when
26 checking if parameter scope is parent scope. Don't special case
27 FUNCTION_NEEDS_BODY_BLOCK. Diagnose the in_function_try_handler
28 cases in the b->kind == sk_function_parms test and verify no
29 non-artificial intervening scopes. Add missing auto_diagnostic_group.
30 * decl.cc (begin_function_body): Set
31 current_binding_level->artificial.
32 * semantics.cc (begin_function_try_block): Likewise.
34 2023-09-05 Patrick Palka <ppalka@redhat.com>
36 * parser.cc (cp_parser_parenthesized_expression_list_elt): Pass
37 nullptr as non_constant_p to cp_parser_braced_list if our
38 non_constant_p is null.
39 (cp_parser_initializer_list): Likewise to
40 cp_parser_initializer_clause. Avoid inspecting
41 clause_non_constant_p if it's uninitialized.
43 2023-09-05 Patrick Palka <ppalka@redhat.com>
45 * call.cc (build_user_type_conversion): Free allocated
47 (build_converted_constant_expr_internal): Use
48 conversion_obstack_sentinel instead.
49 (perform_dguide_overload_resolution): Likewise.
50 (build_new_function_call): Likewise.
51 (build_operator_new_call): Free allocated conversions.
52 (build_op_call): Use conversion_obstack_sentinel instead.
53 (build_conditional_expr): Use conversion_obstack_sentinel
54 instead, and hoist it out to the outermost scope.
55 (build_new_op): Use conversion_obstack_sentinel instead
56 and set it up before the first goto. Remove second unneeded goto.
57 (build_op_subscript): Use conversion_obstack_sentinel instead.
58 (ref_conv_binds_to_temporary): Likewise.
59 (build_new_method_call): Likewise.
60 (can_convert_arg): Likewise.
61 (can_convert_arg_bad): Likewise.
62 (perform_implicit_conversion_flags): Likewise.
63 (perform_direct_initialization_if_possible): Likewise.
64 (initialize_reference): Likewise.
66 2023-09-01 Jakub Jelinek <jakub@redhat.com>
69 * cp-tree.h (determine_local_discriminator): Add NAME argument with
71 (struct cp_decomp): New type.
72 (cp_finish_decl): Add DECOMP argument defaulted to nullptr.
73 (cp_maybe_mangle_decomp): Remove declaration.
74 (cp_finish_decomp): Add cp_decomp * argument, remove tree and unsigned
76 (cp_convert_range_for): Likewise.
77 * decl.cc (determine_local_discriminator): Add NAME argument, use it
78 if non-NULL, otherwise compute it the old way.
79 (maybe_commonize_var): Don't return early for structured bindings.
80 (cp_finish_decl): Add DECOMP argument, if non-NULL, call
81 cp_maybe_mangle_decomp.
82 (cp_maybe_mangle_decomp): Make it static with a forward declaration.
83 Call determine_local_discriminator. Replace FIRST and COUNT arguments
85 (cp_finish_decomp): Replace FIRST and COUNT arguments with DECOMP
87 * mangle.cc (find_decomp_unqualified_name): Remove.
88 (write_unqualified_name): Don't call find_decomp_unqualified_name.
89 (mangle_decomp): Handle mangling of static function/block scope
90 structured bindings. Don't call decl_mangling_context twice. Call
91 check_abi_tags, call write_abi_tags for abi version >= 19 and emit
92 -Wabi warnings if needed.
93 (write_guarded_var_name): Handle structured bindings.
94 (mangle_ref_init_variable): Use write_guarded_var_name.
95 * parser.cc (cp_parser_range_for): Adjust do_range_for_auto_deduction
96 and cp_convert_range_for callers.
97 (do_range_for_auto_deduction): Replace DECOMP_FIRST_NAME and
98 DECOMP_CNT arguments with DECOMP. Adjust cp_finish_decomp caller.
99 (cp_convert_range_for): Replace DECOMP_FIRST_NAME and
100 DECOMP_CNT arguments with DECOMP. Don't call cp_maybe_mangle_decomp,
101 adjust cp_finish_decl and cp_finish_decomp callers.
102 (cp_parser_decomposition_declaration): Don't call
103 cp_maybe_mangle_decomp, adjust cp_finish_decl and cp_finish_decomp
105 (cp_convert_omp_range_for): Adjust do_range_for_auto_deduction
106 and cp_finish_decomp callers.
107 (cp_finish_omp_range_for): Don't call cp_maybe_mangle_decomp,
108 adjust cp_finish_decl and cp_finish_decomp callers.
109 * pt.cc (tsubst_omp_for_iterator): Adjust tsubst_decomp_names
111 (tsubst_decomp_names): Replace FIRST and CNT arguments with DECOMP.
112 (tsubst_expr): Don't call cp_maybe_mangle_decomp, adjust
113 tsubst_decomp_names, cp_finish_decl, cp_finish_decomp and
114 cp_convert_range_for callers.
116 2023-08-30 Marek Polacek <polacek@redhat.com>
119 * parser.cc (cp_parser_initializer_list): Set CONSTRUCTOR_IS_DIRECT_INIT
120 when the designated initializer is of the .x{} form.
122 2023-08-30 Marek Polacek <polacek@redhat.com>
125 * decl.cc (grokdeclarator): Disallow constinit on functions.
127 2023-08-29 Marek Polacek <polacek@redhat.com>
129 * call.cc (convert_like_internal): Show where the conversion function
131 (maybe_show_nonconverting_candidate): New.
132 * cp-tree.h (maybe_show_nonconverting_candidate): Declare.
133 * typeck.cc (convert_for_assignment): Call it.
135 2023-08-25 Sandra Loosemore <sandra@codesourcery.com>
137 * cp-tree.h (cp_convert_omp_range_for): Adjust declaration.
138 * parser.cc (struct omp_for_parse_data): New.
139 (cp_parser_postfix_expression): Diagnose calls to OpenMP runtime
141 (check_omp_intervening_code): New.
142 (cp_parser_statement_seq_opt): Special-case nested loops, blocks,
143 and other constructs for OpenMP loops.
144 (cp_parser_iteration_statement): Reject loops in intervening code.
145 (cp_parser_omp_for_loop_init): Expand comments and tweak the
146 interface slightly to better distinguish input/output parameters.
147 (cp_convert_omp_range_for): Likewise.
148 (cp_parser_omp_loop_nest): New, split from cp_parser_omp_for_loop
149 and largely rewritten. Add more comments.
150 (insert_structured_blocks): New.
151 (find_structured_blocks): New.
152 (struct sit_data, substitute_in_tree_walker, substitute_in_tree):
154 (fixup_blocks_walker): New.
155 (cp_parser_omp_for_loop): Rewrite to use recursive descent instead
156 of a loop. Add logic to reshuffle the bits of code collected
157 during parsing so intervening code gets moved to the loop body.
158 (cp_parser_omp_loop): Remove call to finish_omp_for_block, which
160 (cp_parser_omp_simd): Likewise.
161 (cp_parser_omp_for): Likewise.
162 (cp_parser_omp_distribute): Likewise.
163 (cp_parser_oacc_loop): Likewise.
164 (cp_parser_omp_taskloop): Likewise.
165 (cp_parser_pragma): Reject OpenMP pragmas in intervening code.
166 * parser.h (struct cp_parser): Add omp_for_parse_state field.
167 * pt.cc (tsubst_omp_for_iterator): Adjust call to
168 cp_convert_omp_range_for.
169 * semantics.cc (finish_omp_for): Try harder to preserve location
170 of loop variable init expression for use in diagnostics.
171 (struct fofb_data, finish_omp_for_block_walker): New.
172 (finish_omp_for_block): Allow variables to be bound in a BIND_EXPR
173 nested inside BIND instead of directly in BIND itself.
175 2023-08-25 Sandra Loosemore <sandra@codesourcery.com>
177 * constexpr.cc (cxx_eval_constant_expression): Handle
178 OMP_STRUCTURED_BLOCK.
179 * pt.cc (tsubst_expr): Likewise.
181 2023-08-25 Uros Bizjak <ubizjak@gmail.com>
183 * call.cc (build_conditional_expr):
184 Rename TRUE/FALSE to true/false.
185 (build_new_op): Ditto.
187 2023-08-22 Jason Merrill <jason@redhat.com>
189 * pt.cc (outer_template_args): Handle non-template argument.
190 * constraint.cc (maybe_substitute_reqs_for): Pass decl to it.
191 * cp-tree.h (outer_template_args): Adjust.
193 2023-08-22 Jason Merrill <jason@redhat.com>
196 * cp-tree.h (member_like_constrained_friend_p): Declare.
197 * decl.cc (member_like_constrained_friend_p): New.
198 (function_requirements_equivalent_p): Check it.
199 (duplicate_decls): Check it.
200 (grokfndecl): Check friend template constraints.
201 * mangle.cc (decl_mangling_context): Check it.
202 (write_unqualified_name): Check it.
203 * pt.cc (uses_outer_template_parms_in_constraints): Fix for friends.
204 (tsubst_friend_function): Don't check satisfaction.
206 2023-08-22 Tobias Burnus <tobias@codesourcery.com>
208 * parser.cc (cp_parser_omp_clause_defaultmap): Parse
211 2023-08-15 Chung-Lin Tang <cltang@codesourcery.com>
212 Thomas Schwinge <thomas@codesourcery.com>
214 * parser.cc (OACC_DATA_CLAUSE_MASK): Add PRAGMA_OACC_CLAUSE_DEFAULT.
216 2023-08-14 gnaggnoyil <gnaggnoyil@gmail.com>
220 * decl.cc (get_tuple_size): Update implementation for DR 2386.
222 2023-08-14 Jason Merrill <jason@redhat.com>
224 * parser.cc (cp_parser_simple_type_specifier): Handle -std=c++14
227 2023-08-12 Patrick Palka <ppalka@redhat.com>
228 Jason Merrill <jason@redhat.com>
231 * decl.cc (redeclaration_error_message): Remove special handling
232 for deduction guides.
233 (grokfndecl): Give deduction guides a dummy DECL_INITIAL.
235 2023-08-11 Patrick Palka <ppalka@redhat.com>
238 * parser.cc (cp_parser_type_requirement): Pass
239 check_dependency_p=true instead of =false.
241 2023-08-11 Patrick Palka <ppalka@redhat.com>
244 * decl.cc (grokdeclarator): Pass 'dname' instead of
245 'unqualified_id' as the name when building the VAR_DECL for a
246 static data member. Call check_explicit_specialization for a
247 TEMPLATE_ID_EXPR such member.
248 * pt.cc (finish_member_template_decl): Return NULL_TREE
249 instead of 'decl' when DECL_TEMPLATE_SPECIALIZATION is not
252 2023-08-11 Patrick Palka <ppalka@redhat.com>
254 * ptree.cc (cxx_print_decl): Check for DECL_LANG_SPECIFIC and
255 TS_DECL_COMMON only when necessary. Print DECL_TEMPLATE_INFO
256 for all decls that have it, not just VAR_DECL or FUNCTION_DECL.
257 Also print DECL_USE_TEMPLATE.
258 (cxx_print_type): Print TYPE_TEMPLATE_INFO.
259 <case BOUND_TEMPLATE_TEMPLATE_PARM>: Don't print TYPE_TI_ARGS
261 <case TEMPLATE_TYPE/TEMPLATE_PARM>: Print TEMPLATE_TYPE_PARM_INDEX
262 instead of printing the index, level and original level
265 2023-08-08 Marek Polacek <polacek@redhat.com>
267 * parser.cc (cp_parser_postfix_expression): Adjust the call to
268 cp_parser_braced_list.
269 (cp_parser_postfix_open_square_expression): Likewise.
270 (cp_parser_new_initializer): Likewise.
271 (cp_parser_assignment_expression): Adjust the call to
272 cp_parser_initializer_clause.
273 (cp_parser_lambda_introducer): Adjust the call to cp_parser_initializer.
274 (cp_parser_range_for): Adjust the call to cp_parser_braced_list.
275 (cp_parser_jump_statement): Likewise.
276 (cp_parser_mem_initializer): Likewise.
277 (cp_parser_template_argument): Likewise.
278 (cp_parser_default_argument): Adjust the call to cp_parser_initializer.
279 (cp_parser_initializer): Handle null is_direct_init and non_constant_p
281 (cp_parser_initializer_clause): Handle null non_constant_p argument.
282 (cp_parser_braced_list): Likewise.
283 (cp_parser_initializer_list): Likewise.
284 (cp_parser_member_declaration): Adjust the call to
285 cp_parser_initializer_clause and cp_parser_initializer.
286 (cp_parser_yield_expression): Adjust the call to cp_parser_braced_list.
287 (cp_parser_functional_cast): Likewise.
288 (cp_parser_late_parse_one_default_arg): Adjust the call to
289 cp_parser_initializer.
290 (cp_parser_omp_for_loop_init): Likewise.
291 (cp_parser_omp_declare_reduction_exprs): Likewise.
293 2023-08-08 Nathaniel Shead <nathanieloshead@gmail.com>
296 * parser.cc (cp_parser_decltype_expr): Report errors raised by
297 finish_id_expression.
299 2023-08-04 Tamar Christina <tamar.christina@arm.com>
301 * cp-tree.h (RANGE_FOR_NOVECTOR): New.
302 (cp_convert_range_for, finish_while_stmt_cond, finish_do_stmt,
303 finish_for_cond): Add novector param.
304 * init.cc (build_vec_init): Default novector to false.
305 * method.cc (build_comparison_op): Likewise.
306 * parser.cc (cp_parser_statement): Likewise.
307 (cp_parser_for, cp_parser_c_for, cp_parser_range_for,
308 cp_convert_range_for, cp_parser_iteration_statement,
309 cp_parser_omp_for_loop, cp_parser_pragma): Support novector.
310 (cp_parser_pragma_novector): New.
311 * pt.cc (tsubst_expr): Likewise.
312 * semantics.cc (finish_while_stmt_cond, finish_do_stmt,
313 finish_for_cond): Likewise.
315 2023-08-01 Lewis Hyatt <lhyatt@gmail.com>
317 * parser.cc (c_init_preprocess): New function.
318 (maybe_read_tokens_for_pragma_lex): New function.
319 (pragma_lex): Support preprocess-only mode.
320 (pragma_lex_discard_to_eol): New function.
322 2023-07-31 Chung-Lin Tang <cltang@codesourcery.com>
324 * parser.cc (cp_parser_oacc_host_data): Add checking requiring OpenACC
325 host_data construct to have an use_device clause.
327 2023-07-28 Ng YongXiang <yongxiangng@gmail.com>
331 * init.cc (build_vec_delete_1): Devirtualize array destruction.
333 2023-07-27 Patrick Palka <ppalka@redhat.com>
336 * constexpr.cc (cxx_eval_array_reference): Allow synthesizing an
337 empty subobject even if CONSTRUCTOR_NO_CLEARING is set.
338 (cxx_eval_bare_aggregate): Set 'no_slot' to true more generally
339 whenever new_ctx.ctor is set to NULL_TREE by init_subob_ctx,
340 i.e. whenever initializing an subobject of empty type.
341 (cxx_eval_vec_init_1): Define 'no_slot' as above and use it
344 2023-07-27 Nathaniel Shead <nathanieloshead@gmail.com>
347 * pt.cc (type_uses_auto): Check inside parameter packs.
349 2023-07-26 Patrick Palka <ppalka@redhat.com>
353 * pt.cc (reduce_template_parm_level): Set DECL_TEMPLATE_INFO
354 on the DECL_TEMPLATE_RESULT of the new ttp.
355 (add_defaults_to_ttp): Make a copy of the original ttp's
356 DECL_TEMPLATE_RESULT, and update this copy's DECL_TEMPLATE_INFO
358 (coerce_template_template_parms): Make sure 'scope_args' has
359 the right amount of levels for the ttp argument.
360 (most_general_template): Handle template template parameters.
361 (rewrite_template_parm): Set DECL_TEMPLATE_RESULT on the
362 DECL_TEMPLATE_RESULT of the new ttp.
364 2023-07-26 Patrick Palka <ppalka@redhat.com>
368 * pt.cc (coerce_template_template_parms): Simplify by using
369 DECL_INNERMOST_TEMPLATE_PARMS and removing redundant asserts.
370 Always pass the parameters of the most general template to
371 coerce_template_parms.
373 2023-07-26 Patrick Palka <ppalka@redhat.com>
376 * pt.cc (unify) <case INTEGER_CST>: Generalize to handle
379 2023-07-26 Marek Polacek <polacek@redhat.com>
381 * parser.cc (cp_parser_constant_expression): Allow non_constant_p to be
382 nullptr even when allow_non_constant_p is true. Don't call
383 _rvalue_constant_expression when not necessary. Move local variable
384 declarations closer to their first use.
385 (cp_parser_static_assert): Don't pass a dummy down to
386 cp_parser_constant_expression.
388 2023-07-26 Jason Merrill <jason@redhat.com>
391 * parser.cc (cp_parser_template_name): Skip non-member
392 lookup after the template keyword.
393 (cp_parser_lookup_name): Pass down template_keyword_p.
395 2023-07-26 Nathaniel Shead <nathanieloshead@gmail.com>
400 * constexpr.cc (constexpr_global_ctx::is_outside_lifetime): New
402 (constexpr_global_ctx::get_value): Don't return expired values.
403 (constexpr_global_ctx::get_value_ptr): Likewise.
404 (constexpr_global_ctx::remove_value): Mark value outside
406 (outside_lifetime_error): New function.
407 (cxx_eval_call_expression): No longer track save_exprs.
408 (cxx_eval_loop_expr): Likewise.
409 (cxx_eval_constant_expression): Add checks for outside lifetime
410 values. Remove local variables at end of bind exprs, and
411 temporaries after cleanup points.
413 2023-07-26 Nathaniel Shead <nathanieloshead@gmail.com>
416 * cp-gimplify.cc (cp_genericize_r): Transform RETURN_EXPRs to
417 not return dangling pointers.
418 * cp-tree.h (RETURN_EXPR_LOCAL_ADDR_P): New flag.
419 (check_return_expr): Add a new parameter.
420 * semantics.cc (finish_return_stmt): Set flag on RETURN_EXPR
421 when referring to dangling pointer.
422 * typeck.cc (check_return_expr): Disable transformation of
423 dangling pointers, instead pass this information to caller.
425 2023-07-26 Nathaniel Shead <nathanieloshead@gmail.com>
427 * constexpr.cc (modifying_const_object_error): Find the source
428 location of the const object's declaration.
429 (cxx_eval_constant_expression): Update input_location to the
430 location of the currently evaluated expression, if possible.
432 2023-07-25 Marek Polacek <polacek@redhat.com>
435 * pt.cc (lookup_and_finish_template_variable): Don't clear tf_partial
437 (instantiate_template): Reset all complain flags except
440 2023-07-25 Marek Polacek <polacek@redhat.com>
443 * constexpr.cc (cxx_eval_array_reference): Create a new constructor
444 only when we don't already have a matching one. Clear the object
445 when the type is non-scalar.
447 2023-07-21 Marek Polacek <polacek@redhat.com>
450 * constexpr.cc (potential_constant_expression_1): Try to complete the
451 type when !processing_template_decl.
453 2023-07-20 Marek Polacek <polacek@redhat.com>
456 * call.cc (implicit_conversion_1): Return early if the type isn't
459 2023-07-19 Marek Polacek <polacek@redhat.com>
462 * error.cc (dump_simple_decl): Print base class name.
464 2023-07-19 Marek Polacek <polacek@redhat.com>
467 * typeck2.cc (process_init_constructor_record): Don't emit
468 -Wmissing-field-initializers for empty classes.
470 2023-07-19 Patrick Palka <ppalka@redhat.com>
472 * pt.cc (type_unification_real): Test for PARM_DECL instead
473 of TEMPLATE_PARM_INDEX to distinguish a type vs non-type
474 template parameter pack.
475 (type_targs_deducible_from): Likewise.
477 2023-07-19 Patrick Palka <ppalka@redhat.com>
479 * pt.cc (tsubst_function_decl): Add defaulted 'use_spec_table'
480 flag parameter. Don't look up or insert into the specializations
481 table if 'use_spec_table' is false.
482 (tsubst_decl): Add defaulted 'use_spec_table' flag parameter.
483 Check for error_mark_node.
484 <case FUNCTION_DECL>: Pass 'use_spec_table' to
485 tsubst_function_decl.
486 <case TYPE/VAR_DECL>: Don't call coerce_template_parms.
487 Don't look up or insert into the specializations table if
488 'use_spec_table' is false. Exit earlier if the substituted
489 type is erroneous and we're not complaining, and do so for
490 alias specializations as well.
491 (instantiate_template): Pass false as 'use_spec_table'
492 to tsubst_decl. Call register_specialization afterwards.
494 2023-07-18 Jason Merrill <jason@redhat.com>
496 * constexpr.cc (cxx_eval_bit_cast): Check that the result of
497 native_interpret_aggregate doesn't need more evaluation.
499 2023-07-18 Patrick Palka <ppalka@redhat.com>
501 * call.cc (add_template_conv_candidate): Don't check for
502 non-empty 'candidates' here.
503 (build_op_call): Check it here, before we've considered any
504 conversion functions.
506 2023-07-18 Patrick Palka <ppalka@redhat.com>
509 * call.cc (add_conv_candidate): Check constraints.
511 2023-07-17 Jason Merrill <jason@redhat.com>
513 * constexpr.cc (cxx_eval_call_expression): Only cache
514 reduced_constant_expression_p results.
515 (reduced_constant_expression_p): Handle CONSTRUCTOR of scalar type.
516 (cxx_eval_constant_expression): Fold vectors here.
517 (cxx_eval_bare_aggregate): Not here.
519 2023-07-15 Patrick Palka <ppalka@redhat.com>
522 * call.cc (keep_unused_object_arg): Use cp_build_compound_expr
523 instead of building a COMPOUND_EXPR directly.
525 2023-07-15 Patrick Palka <ppalka@redhat.com>
528 * mangle.cc (write_expression): Handle TEMPLATE_ID_EXPR
529 whose template is already an IDENTIFIER_NODE.
531 2023-07-14 Nathaniel Shead <nathanieloshead@gmail.com>
533 * constexpr.cc (cxx_eval_constant_expression): Pass t to get_value.
535 2023-07-14 Jason Merrill <jason@redhat.com>
538 * constexpr.cc (cxx_eval_constant_expression): Move P2738 handling
540 * name-lookup.cc (get_cxx_dialect_name): Add C++26.
542 2023-07-14 Marek Polacek <polacek@redhat.com>
543 Jason Merrill <jason@redhat.com>
546 * decl.cc (cp_finish_decl): Set TREE_CONSTANT when initializing
547 an object of empty class type.
548 * pt.cc (value_dependent_expression_p) <case VAR_DECL>: Treat a
549 constexpr-declared non-constant variable as value-dependent.
551 2023-07-11 Patrick Palka <ppalka@redhat.com>
554 * pt.cc (lookup_template_variable): Pass all levels of arguments
555 to coerce_template_parms, and use the parameters from the most
558 2023-07-10 Patrick Palka <ppalka@redhat.com>
561 * pt.cc (redeclare_class_template): Relax the ttp DECL_CONTEXT
562 assert, and downgrade it to a checking assert.
564 2023-06-30 Patrick Palka <ppalka@redhat.com>
566 * cp-tree.h (TEMPLATE_PARM_DESCENDANTS): Harden.
567 (TEMPLATE_TYPE_DESCENDANTS): Define.
568 (TEMPLATE_TEMPLATE_PARM_SIMPLE_P): Define.
569 * pt.cc (reduce_template_parm_level): Revert
570 r14-418-g0bc2a1dc327af9 change.
571 (process_template_parm): Set TEMPLATE_TEMPLATE_PARM_SIMPLE_P
573 (uses_outer_template_parms): Determine the outer depth of
574 a template template parm without relying on DECL_CONTEXT.
575 (tsubst) <case TEMPLATE_TEMPLATE_PARM>: Cache lowering a
576 simple template template parm. Consistently use 'code'.
578 2023-06-29 Patrick Palka <ppalka@redhat.com>
581 * init.cc (maybe_instantiate_nsdmi_init): Mask out all
582 tsubst flags except for tf_warning_or_error.
584 2023-06-29 Patrick Palka <ppalka@redhat.com>
587 * cp-gimplify.cc (cp_fold) <case CONSTRUCTOR>: Propagate
588 CONSTRUCTOR_MUTABLE_POISON.
590 2023-06-29 Patrick Palka <ppalka@redhat.com>
592 * cp-tree.h (tree_template_info::partial): New data member.
593 (TI_PARTIAL_INFO): New tree accessor.
594 (most_specialized_partial_spec): Add defaulted bool parameter.
595 * module.cc (trees_out::core_vals) <case TEMPLATE_INFO>: Stream
597 (trees_in::core_vals) <case TEMPLATE_INFO>: Likewise.
598 * parser.cc (specialization_of): Adjust after making
599 most_specialized_partial_spec return TEMPLATE_INFO instead
601 * pt.cc (process_partial_specialization): Set TI_PARTIAL_INFO
602 of 'decl' to point back to the partial TEMPLATE_DECL. Likewise
603 (and pass rechecking=true to most_specialization_partial_spec).
604 (instantiate_class_template): Likewise.
605 (instantiate_template): Set TI_PARTIAL_INFO to the result of
606 most_specialization_partial_spec after forming a variable
607 template specialization.
608 (most_specialized_partial_spec): Add 'rechecking' parameter.
609 Exit early if the template is not primary. Use the TI_PARTIAL_INFO
610 of the corresponding TEMPLATE_INFO as a cache unless 'rechecking'
611 is true. Don't bother setting TREE_TYPE of each TREE_LIST.
612 (instantiate_decl): Adjust after making
613 most_specialized_partial_spec return TEMPLATE_INFO instead of
615 * ptree.cc (cxx_print_xnode) <case TEMPLATE_INFO>: Dump
618 2023-06-29 Eugene Rozenfeld <erozen@microsoft.com>
620 * Make-lang.in: Pass correct stage cc1plus when processing
621 profile data collected while building target libraries
623 2023-06-28 Patrick Palka <ppalka@redhat.com>
627 * cp-tree.h (lookup_template_variable): Add complain parameter.
628 * parser.cc (cp_parser_template_id): Pass tf_warning_or_error
629 to lookup_template_variable.
630 * pt.cc (lookup_template_variable): Add complain parameter.
631 Coerce template arguments here ...
632 (finish_template_variable): ... instead of here.
633 (lookup_and_finish_template_variable): Check for error_mark_node
634 result from lookup_template_variable.
635 (tsubst_copy) <case TEMPLATE_ID_EXPR>: Pass complain to
636 lookup_template_variable.
637 (instantiate_template): Use build2 instead of
638 lookup_template_variable to build a TEMPLATE_ID_EXPR
639 for most_specialized_partial_spec.
641 2023-06-28 Marek Polacek <polacek@redhat.com>
644 * typeck.cc (cp_build_unary_op): Check tf_warning before warning.
646 2023-06-28 Jason Merrill <jason@redhat.com>
649 * cp-tree.h (clone_attrs): Declare.
650 * method.cc (implicitly_declare_fn): Use it for inherited
652 * optimize.cc (clone_attrs): New.
653 (maybe_clone_body): Use it.
655 2023-06-28 Jason Merrill <jason@redhat.com>
658 * constexpr.cc (cxx_eval_constant_expression): In C++26, allow cast
659 from void* to the type of a pointed-to object.
661 2023-06-23 David Malcolm <dmalcolm@redhat.com>
664 * cp-name-hint.h (maybe_suggest_missing_header): New decl.
665 * decl.cc: Define INCLUDE_MEMORY. Add include of
667 (start_decl_1): Call maybe_suggest_missing_header.
668 * name-lookup.cc (maybe_suggest_missing_header): Remove "static".
670 2023-06-16 Alex Coplan <alex.coplan@arm.com>
672 * parser.cc (cp_parser_enum_specifier): Don't reject
673 elaborated-type-specifier with enum-base, instead emit new
674 Welaborated-enum-base warning.
676 2023-06-14 Jason Merrill <jason@redhat.com>
680 * call.cc (joust_maybe_elide_copy): Don't change cand.
681 (joust): Move the elided tiebreaker later.
683 2023-06-13 David Malcolm <dmalcolm@redhat.com>
686 * name-lookup.cc (missing_std_header::~missing_std_header): Reword
687 note to avoid negative tone of "forgetting".
689 2023-06-13 Jason Merrill <jason@redhat.com>
691 * tree.cc (build_target_expr): Check TYPE_HAS_MUTABLE_P.
693 2023-06-12 Tobias Burnus <tobias@codesourcery.com>
695 * parser.cc (cp_parser_omp_clause_map): Reword error message for
696 clearness especially with 'omp target (enter/exit) data.'
697 * semantics.cc (handle_omp_array_sections): Handle
698 GOMP_MAP_{ALWAYS_,}PRESENT_{TO,TOFROM,FROM,ALLOC} enum values.
700 2023-06-12 Jason Merrill <jason@redhat.com>
703 * call.cc (convert_like_internal) [ck_list]: Use
704 maybe_init_list_as_array.
705 * constexpr.cc (cxx_eval_vec_init_1): Init might have
707 * tree.cc (build_vec_init_elt): Likewise.
708 * init.cc (build_vec_init): Handle from_array from a
709 TARGET_EXPR. Retain TARGET_EXPR of a different type.
711 2023-06-11 Patrick Palka <ppalka@redhat.com>
714 * constexpr.cc (cxx_eval_call_expression): Synthesize defaulted
715 functions needed for constant evaluation.
716 (instantiate_cx_fn_r): Likewise.
718 2023-06-11 Patrick Palka <ppalka@redhat.com>
721 * pt.cc (lookup_template_class): Extend shortcut for looking up the
722 current class scope to consider outer class scopes too, and use
723 current_nonlambda_class_type instead of current_class_type. Only
724 call coerce_template_parms when specializing a primary template.
726 2023-06-10 Nathan Sidwell <nathan@acm.org>
729 * pt.cc (maybe_adjust_types_for_deduction): Implement DR976.
731 2023-06-09 Jason Merrill <jason@redhat.com>
735 * method.cc (build_comparison_op): Give retval a name.
736 * typeck.cc (check_return_expr): Fix for nameless variables.
738 2023-06-09 Jason Merrill <jason@redhat.com>
740 * parser.cc (cp_parser_simple_type_specifier): Check for auto
741 in template argument.
742 (cp_parser_template_type_arg): Remove auto checking.
744 2023-06-09 Jason Merrill <jason@redhat.com>
747 * call.cc (maybe_init_list_as_array): Check that the element type is
750 2023-06-07 Jason Merrill <jason@redhat.com>
754 * cp-tree.h (INIT_EXPR_NRV_P): New.
755 * semantics.cc (finalize_nrv_r): Check it.
756 * name-lookup.h (decl_in_scope_p): Declare.
757 * name-lookup.cc (decl_in_scope_p): New.
758 * typeck.cc (check_return_expr): Allow non-NRV
759 returns if the NRV is no longer in scope.
761 2023-06-07 Jason Merrill <jason@redhat.com>
764 * typeck.cc (want_nrvo_p): New.
765 (check_return_expr): Handle -Wnrvo.
767 2023-06-07 Jason Merrill <jason@redhat.com>
771 * decl.cc (finish_function): Simplify NRV handling.
772 * except.cc (maybe_set_retval_sentinel): Also set if NRV.
773 (maybe_splice_retval_cleanup): Don't add the cleanup region
775 * semantics.cc (nrv_data): Add simple field.
776 (finalize_nrv): Set it.
777 (finalize_nrv_r): Check it and retval sentinel.
778 * cp-tree.h (finalize_nrv): Adjust declaration.
779 * typeck.cc (check_return_expr): Remove named_labels check.
781 2023-06-07 Jason Merrill <jason@redhat.com>
784 * typeck.cc (check_return_expr): Prevent NRV in the presence of
787 2023-06-07 Jason Merrill <jason@redhat.com>
790 * except.cc (maybe_splice_retval_cleanup): Change
791 recognition of function body and try scopes.
792 * semantics.cc (do_poplevel): Call it after poplevel.
794 * cp-tree.h (maybe_splice_retval_cleanup): Adjust.
796 2023-06-07 Jason Merrill <jason@redhat.com>
798 * semantics.cc (finalize_nrv_r): [RETURN_EXPR]: Only replace the
801 2023-06-06 Kwok Cheung Yeung <kcy@codesourcery.com>
802 Tobias Burnus <tobias@codesourcery.com>
804 * parser.cc (cp_parser_omp_clause_defaultmap,
805 cp_parser_omp_clause_map): Parse 'present'.
806 (cp_parser_omp_clause_from_to): New; parse to/from
807 clauses with optional 'present' modifier.
808 (cp_parser_omp_all_clauses): Update call.
809 (cp_parser_omp_target_data, cp_parser_omp_target_enter_data,
810 cp_parser_omp_target_exit_data): Handle new enum value for
812 * semantics.cc (finish_omp_target): Likewise.
814 2023-06-04 Jason Merrill <jason@redhat.com>
817 * cp-tree.h (enum cp_tree_index): Add CPTI_CALL_TERMINATE_FN.
818 (call_terminate_fn): New macro.
819 * cp-gimplify.cc (gimplify_must_not_throw_expr): Use it.
820 * except.cc (init_exception_processing): Set it.
821 (cp_protect_cleanup_actions): Return it.
823 2023-06-03 Patrick Palka <ppalka@redhat.com>
826 * pt.cc (is_specialization_of_friend): Fix overbroad check for
827 a non-template member function of a class template.
829 2023-06-03 Patrick Palka <ppalka@redhat.com>
831 * pt.cc (iterative_hash_template_arg): Don't hash
832 TEMPLATE_TEMPLATE_PARM specially.
834 2023-06-03 Patrick Palka <ppalka@redhat.com>
836 * class.cc (build_base_path): Check in_template_context instead
837 of in_template_function.
838 (resolves_to_fixed_type_p): Likewise.
839 * cp-tree.h (in_template_context): Define.
840 (in_template_function): Remove.
841 * decl.cc (cp_make_fname_decl): Check current_function_decl
842 and in_template_context instead of in_template_function.
843 * decl2.cc (mark_used): Check in_template_context instead of
844 in_template_function.
845 * pt.cc (in_template_function): Remove.
846 * semantics.cc (enforce_access): Check in_template_context
847 instead of current_template_parms directly.
849 2023-06-03 Patrick Palka <ppalka@redhat.com>
852 * mangle.cc (write_expression): Handle NOEXCEPT_EXPR.
854 2023-06-02 Jason Merrill <jason@redhat.com>
858 * call.cc (sfk_copy_or_move): New.
859 (joust): Add tiebreaker for explicit conv and copy ctor.
861 2023-06-02 Jason Merrill <jason@redhat.com>
865 * call.cc (maybe_init_list_as_array): Set DECL_MERGEABLE.
866 (convert_like_internal) [ck_list]: Set it.
867 (set_up_extended_ref_temp): Copy it.
868 * tree.cc (handle_no_unique_addr_attribute): Set it.
870 2023-06-01 Jason Merrill <jason@redhat.com>
872 * typeck2.cc (check_narrowing): Check flag_permissive.
874 2023-05-30 Tobias Burnus <tobias@codesourcery.com>
877 * parser.cc (cp_parser_oacc_all_clauses,
878 cp_parser_omp_all_clauses): Improve error wording.
880 2023-05-19 Andrew Pinski <apinski@marvell.com>
883 * lang-specs.h ("@c++-header"): Add %w after
885 ("@c++-system-header"): Likewise.
886 ("@c++-user-header"): Likewise.
888 2023-05-19 Patrick Palka <ppalka@redhat.com>
890 * constraint.cc (normalize_concept_check): Avoid having to do
891 two norm_cache lookups. Remove unnecessary early exit for an
892 ill-formed concept definition.
894 2023-05-19 Patrick Palka <ppalka@redhat.com>
897 * pt.cc (lookup_and_finish_template_variable): Don't call
898 convert_from_reference.
899 (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Call
900 convert_from_reference on the result of
901 lookup_and_finish_template_variable.
903 2023-05-18 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
905 * call.cc (promoted_arithmetic_type_p): Use _P defines from tree.h.
906 (build_conditional_expr): Ditto.
907 (convert_like_internal): Ditto.
908 (convert_arg_to_ellipsis): Ditto.
909 (build_over_call): Ditto.
910 (compare_ics): Ditto.
911 * class.cc (is_empty_base_ref): Ditto.
912 * coroutines.cc (rewrite_param_uses): Ditto.
913 * cp-tree.h (DECL_DISCRIMINATOR_P): Ditto.
914 (ARITHMETIC_TYPE_P): Ditto.
915 * cvt.cc (ocp_convert): Ditto.
916 * cxx-pretty-print.cc (pp_cxx_template_argument_list): Ditto.
917 * decl.cc (layout_var_decl): Ditto.
918 (get_tuple_size): Ditto.
919 * error.cc (dump_simple_decl): Ditto.
920 * lambda.cc (start_lambda_scope): Ditto.
921 * mangle.cc (write_template_arg): Ditto.
922 * method.cc (spaceship_comp_cat): Ditto.
923 * module.cc (node_template_info): Ditto.
924 (trees_out::start): Ditto.
925 (trees_out::decl_node): Ditto.
926 (trees_in::read_var_def): Ditto.
927 (set_instantiating_module): Ditto.
928 * name-lookup.cc (maybe_record_mergeable_decl): Ditto.
929 (consider_decl): Ditto.
930 (maybe_add_fuzzy_decl): Ditto.
931 * pt.cc (convert_nontype_argument): Ditto.
932 * semantics.cc (handle_omp_array_sections_1): Ditto.
933 (finish_omp_clauses): Ditto.
934 (finish_omp_target_clauses_r): Ditto.
935 (is_this_parameter): Ditto.
936 * tree.cc (build_cplus_array_type): Ditto.
937 (is_this_expression): Ditto.
938 * typeck.cc (do_warn_enum_conversions): Ditto.
939 * typeck2.cc (store_init_value): Ditto.
940 (check_narrowing): Ditto.
942 2023-05-17 Jakub Jelinek <jakub@redhat.com>
945 * init.cc (build_zero_init_1): Don't initialize zero-width bitfields.
946 For unions only initialize the first FIELD_DECL.
948 2023-05-16 Marek Polacek <polacek@redhat.com>
951 * typeck.cc (check_return_expr): In a template, return only after
952 suppressing -Wdangling-reference.
954 2023-05-16 Patrick Palka <ppalka@redhat.com>
957 * call.cc (add_list_candidates): Check for invalid designated
958 initialization sooner and even for types that have a list
961 2023-05-11 Patrick Palka <ppalka@redhat.com>
964 * typeck2.cc (poison_mutable_constructors): Define.
965 (store_init_value): Use it instead of setting
966 CONSTRUCTOR_MUTABLE_POISON directly.
968 2023-05-11 Patrick Palka <ppalka@redhat.com>
969 Jonathan Wakely <jwakely@redhat.com>
974 * pt.cc (convert_nontype_argument_function): Remove linkage
975 requirement for C++17 and later.
976 (invalid_tparm_referent_p) <case ADDR_EXPR>: Restrict
977 DECL_ARTIFICIAL rejection test to VAR_DECL.
979 2023-05-10 Marek Polacek <polacek@redhat.com>
982 * method.cc (build_trait_object): New.
983 (assignable_expr): Use it.
984 (ref_xes_from_temporary): Likewise.
985 (is_convertible_helper): Likewise. Check FUNC_OR_METHOD_TYPE_P.
987 2023-05-10 Jason Merrill <jason@redhat.com>
989 * call.cc (convert_like_internal): Share ck_ref_bind handling
990 between all bad conversions.
992 2023-05-10 Jason Merrill <jason@redhat.com>
995 * constexpr.cc (cxx_eval_outermost_constant_expr): Preserve
997 (potential_constant_expression_1): Check TARGET_EXPR_ELIDING_P.
998 * typeck2.cc (store_init_value): Diagnose constinit sooner.
1000 2023-05-10 Jason Merrill <jason@redhat.com>
1002 * constexpr.cc (cxx_eval_outermost_constant_expr): Always check
1003 for address of immediate fn.
1004 (maybe_constant_init_1): Evaluate PTRMEM_CST.
1006 2023-05-10 Jakub Jelinek <jakub@redhat.com>
1009 * parser.cc (cp_parser_std_attribute): For unknown attributes with
1010 arguments set TREE_VALUE (attribute) to error_mark_node after skipping
1011 the balanced tokens.
1012 (cp_parser_std_attribute_list): If ... is used after attribute without
1013 arguments, diagnose it and return error_mark_node. If
1014 TREE_VALUE (attribute) is error_mark_node, don't call
1015 make_pack_expansion nor return early error_mark_node.
1017 2023-05-09 Patrick Palka <ppalka@redhat.com>
1020 * constraint.cc (satisfaction_cache::satisfaction_cache): In the
1021 unexpected case of evaluating an atom for the first time noisily,
1022 remove the cache slot that we inserted.
1024 2023-05-09 Patrick Palka <ppalka@redhat.com>
1027 * parser.cc (cp_parser_class_specifier): Don't pass a class
1028 context to noexcept_override_late_checks.
1029 (noexcept_override_late_checks): Remove 'type' parameter
1030 and use DECL_CONTEXT of 'fndecl' instead.
1032 2023-05-09 Jakub Jelinek <jakub@redhat.com>
1035 * cp-gimplify.cc (process_stmt_assume_attribute): Diagnose pack
1036 expansion of assume attribute.
1038 2023-05-08 Patrick Palka <ppalka@redhat.com>
1042 * pt.cc (do_auto_deduction): Move up resolve_nondeduced_context
1043 calls to happen before do_class_deduction. Add some
1044 error_mark_node tests.
1046 2023-05-07 Patrick Palka <ppalka@redhat.com>
1049 * cxx-pretty-print.cc (cxx_pretty_printer::unary_expression)
1050 <case ALIGNOF_EXPR>: Consider ALIGNOF_EXPR_STD_P.
1051 * error.cc (dump_expr) <case ALIGNOF_EXPR>: Likewise.
1053 2023-05-07 Patrick Palka <ppalka@redhat.com>
1057 * decl.cc (decl_jump_unsafe): Return bool instead of int.
1058 Don't consider TYPE_HAS_NONTRIVIAL_DESTRUCTOR.
1059 (check_previous_goto_1): Simplify now that decl_jump_unsafe
1060 returns bool instead of int.
1061 (check_goto): Likewise.
1063 2023-05-07 Patrick Palka <ppalka@redhat.com>
1065 * pt.cc (instantiate_alias_template): Exit early upon
1066 error from coerce_template_parms. Remove dependence test
1067 guarding constraints_satisfied_p.
1069 2023-05-07 Patrick Palka <ppalka@redhat.com>
1071 * cp-tree.h (PLACEHOLDER_TYPE_CONSTRAINTS_INFO): Harden via
1072 TEMPLATE_TYPE_PARM_CHECK.
1073 (TPARMS_PRIMARY_TEMPLATE): Harden via TREE_VEC_CHECK.
1074 (TEMPLATE_TEMPLATE_PARM_TEMPLATE_DECL): Harden via
1075 TEMPLATE_TEMPLATE_PARM_CHECK.
1076 * cxx-pretty-print.cc (cxx_pretty_printer::simple_type_specifier):
1077 Guard PLACEHOLDER_TYPE_CONSTRAINTS access.
1078 * error.cc (dump_type) <case TEMPLATE_TYPE_PARM>: Use separate
1079 variable to store CLASS_PLACEHOLDER_TEMPLATE result.
1080 * pt.cc (outer_template_args): Use strip_innermost_template_args.
1081 (any_type_dependent_arguments_p): Exit early if
1082 !processing_template_decl. Use range-based for.
1083 (any_dependent_template_arguments_p): Likewise.
1085 2023-05-07 Patrick Palka <ppalka@redhat.com>
1088 * pt.cc (tsubst_copy_and_build) <case COMPONENT_REF>: Propagate
1089 REF_PARENTHESIZED_P more generally via force_paren_expr.
1090 * semantics.cc (force_paren_expr): Document default argument.
1092 2023-05-07 Patrick Palka <ppalka@redhat.com>
1095 * pt.cc (coerce_template_args_for_ttp): Mention we can hit the
1096 current_template_parms fallback when level-lowering a bound ttp.
1097 (tsubst_template_decl): Add lambda_tparms parameter. Prefer to
1098 use lambda_tparms instead of substituting DECL_TEMPLATE_PARMS.
1099 (tsubst_decl) <case TEMPLATE_DECL>: Pass NULL_TREE as lambda_tparms
1100 to tsubst_template_decl.
1101 (tsubst_lambda_expr): For a generic lambda, substitute
1102 DECL_TEMPLATE_PARMS and set current_template_parms to it
1103 before substituting the function type. Pass the substituted
1104 DECL_TEMPLATE_PARMS as lambda_tparms to tsubst_template_decl.
1106 2023-05-07 Patrick Palka <ppalka@redhat.com>
1109 * semantics.cc (enforce_access): Check current_template_parms
1110 instead of processing_template_decl when deciding whether to
1111 defer the access check.
1113 2023-05-07 Patrick Palka <ppalka@redhat.com>
1116 * constexpr.cc (potential_constant_expression_1) <case CALL_EXPR>:
1117 Reorganize to call get_fns sooner. Remove special handling of
1118 the object argument of a non-static member function call. Remove
1119 dead store to 'fun'.
1121 2023-05-05 Jason Merrill <jason@redhat.com>
1124 2023-04-27 Jason Merrill <jason@redhat.com>
1127 * pt.cc (instantiate_decl): Assert !defer_ok for local
1130 2023-05-03 Jason Merrill <jason@redhat.com>
1134 * friend.cc (do_friend): Don't call check_explicit_specialization if
1135 DECL_TEMPLATE_INFO is already set.
1136 * decl2.cc (check_classfn): Set DECL_TEMPLATE_INFO.
1137 * name-lookup.cc (set_decl_namespace): Likewise.
1139 2023-05-03 Jakub Jelinek <jakub@redhat.com>
1141 * cp-gimplify.cc (cp_fold_data): Move definition earlier.
1142 (cp_gimplify_expr): Pass address of ff_genericize | ff_mce_false
1143 constructed data rather than &pset to cp_walk_tree with cp_fold_r.
1145 2023-05-03 Jason Merrill <jason@redhat.com>
1147 * pt.cc (reduce_template_parm_level): Fix comparison of
1148 template template parm to cached version.
1150 2023-05-02 Jason Merrill <jason@redhat.com>
1152 * pt.cc (instantiate_class_template): Skip the RECORD_TYPE
1153 of a class template.
1154 (tsubst_template_decl): Clear CLASSTYPE_USE_TEMPLATE.
1156 2023-05-02 Jason Merrill <jason@redhat.com>
1158 * name-lookup.cc (pop_from_top_level): Don't
1159 invalidate_class_lookup_cache.
1161 2023-05-02 Jason Merrill <jason@redhat.com>
1164 * cp-tree.h (lookup_base): Add offset parm.
1165 * constexpr.cc (cxx_fold_indirect_ref_1): Pass it.
1166 * search.cc (struct lookup_base_data_s): Add offset.
1167 (dfs_lookup_base): Handle it.
1168 (lookup_base): Pass it.
1170 2023-05-02 Jason Merrill <jason@redhat.com>
1173 * constexpr.cc (cxx_fold_indirect_ref_1): Handle empty base first.
1175 2023-05-01 Jason Merrill <jason@redhat.com>
1178 * name-lookup.cc (maybe_push_to_top_level)
1179 (maybe_pop_from_top_level): Split out...
1180 * pt.cc (instantiate_body): ...from here.
1181 * init.cc (maybe_instantiate_nsdmi_init): Use them.
1182 * name-lookup.h: Declare them..
1184 2023-04-28 Eugene Rozenfeld <erozen@microsoft.com>
1186 * Make-lang.in: Merge perf data collected when compiling cc1plus and runtime libraries
1188 2023-04-27 Jason Merrill <jason@redhat.com>
1190 * call.cc (print_conversion_rejection): Use iloc_sentinel.
1192 2023-04-27 Jason Merrill <jason@redhat.com>
1195 * pt.cc (instantiate_decl): Assert !defer_ok for local
1198 2023-04-26 Jason Merrill <jason@redhat.com>
1200 * init.cc (nsdmi_inst): Remove.
1201 (maybe_instantiate_nsdmi_init): Use DECL_INITIAL instead.
1203 2023-04-26 Jason Merrill <jason@redhat.com>
1206 * pt.cc (instantiate_class_template): Do partially instantiate.
1207 (tsubst_expr): Do call complete_type for partial instantiations.
1209 2023-04-26 Jason Merrill <jason@redhat.com>
1212 * pt.cc (regenerate_decl_from_template): Skip unique friends.
1214 2023-04-26 Patrick Palka <ppalka@redhat.com>
1216 * pt.cc (most_specialized_partial_spec): Exit early when
1217 DECL_TEMPLATE_SPECIALIZATIONS is empty. Move local variable
1218 declarations closer to their first use. Remove redundant
1219 flag_concepts test. Remove redundant forward declaration.
1221 2023-04-25 Patrick Palka <ppalka@redhat.com>
1224 * pt.cc (value_dependent_expression_p) <case VAR_DECL>:
1225 Suppress conservative early exit for reference variables
1226 when DECL_HAS_VALUE_EXPR_P.
1228 2023-04-25 Tobias Burnus <tobias@codesourcery.com>
1230 * parser.cc (cp_parser_omp_scan_loop_body): Handle
1231 zero exec statements before/after 'omp scan'.
1233 2023-04-24 Patrick Palka <ppalka@redhat.com>
1235 * cp-tree.h (cp_expr_location): Define here.
1236 * tree.cc (cp_expr_location): Don't define here.
1238 2023-04-21 Jason Merrill <jason@redhat.com>
1241 * decl.cc (grokdeclarator): Don't clear typedef_decl after 'unsigned
1242 typedef' pedwarn. Use c_common_signed_or_unsigned_type. Also
1243 handle 'signed typedef'.
1245 2023-04-21 Patrick Palka <ppalka@redhat.com>
1247 * tree.cc (cp_walk_subtrees): Avoid repeatedly dereferencing tp.
1248 <case DECLTYPE_TYPE>: Use cp_unevaluated and WALK_SUBTREE.
1249 <case ALIGNOF_EXPR etc>: Likewise.
1251 2023-04-20 Patrick Palka <ppalka@redhat.com>
1253 * pt.cc (tsubst) <case TEMPLATE_TYPE_PARM>: Don't recurse when
1254 level lowering a cv-qualified type template parameter. Remove
1255 recursive loop breaker in the level lowering case for constrained
1256 autos. Use the TEMPLATE_PARM_DESCENDANTS cache in this case as
1259 2023-04-20 Patrick Palka <ppalka@redhat.com>
1261 * constraint.cc (diagnose_trait_expr): Convert a TREE_VEC
1262 of arguments into a TREE_LIST for sake of pretty printing.
1263 * cxx-pretty-print.cc (pp_cxx_trait): Handle TREE_VEC
1264 instead of TREE_LIST of trailing variadic trait arguments.
1265 * method.cc (constructible_expr): Likewise.
1266 (is_xible_helper): Likewise.
1267 * parser.cc (cp_parser_trait): Represent trailing variadic trait
1268 arguments as a TREE_VEC instead of TREE_LIST.
1269 * pt.cc (value_dependent_expression_p): Handle TREE_VEC
1270 instead of TREE_LIST of trailing variadic trait arguments.
1271 * semantics.cc (finish_type_pack_element): Likewise.
1272 (check_trait_type): Likewise.
1274 2023-04-20 Patrick Palka <ppalka@redhat.com>
1276 * tree.cc (strip_typedefs): Move TREE_LIST handling to
1277 strip_typedefs_expr. Dispatch to strip_typedefs_expr for
1279 <case TYPENAME_TYPE>: Remove manual dispatching to
1280 strip_typedefs_expr.
1281 <case TRAIT_TYPE>: Likewise.
1282 (strip_typedefs_expr): Replaces calls to strip_typedefs_expr
1283 with strip_typedefs throughout. Don't dispatch to strip_typedefs
1285 <case TREE_LIST>: Replace this with the better version from
1288 2023-04-19 Patrick Palka <ppalka@redhat.com>
1289 Jonathan Wakely <jwakely@redhat.com>
1292 * cp-trait.def (TYPE_PACK_ELEMENT): Define.
1293 * cp-tree.h (finish_trait_type): Add complain parameter.
1294 * cxx-pretty-print.cc (pp_cxx_trait): Handle
1295 CPTK_TYPE_PACK_ELEMENT.
1296 * parser.cc (cp_parser_constant_expression): Document default
1298 (cp_parser_trait): Handle CPTK_TYPE_PACK_ELEMENT. Pass
1299 tf_warning_or_error to finish_trait_type.
1300 * pt.cc (tsubst) <case TRAIT_TYPE>: Handle non-type first
1301 argument. Pass complain to finish_trait_type.
1302 * semantics.cc (finish_type_pack_element): Define.
1303 (finish_trait_type): Add complain parameter. Handle
1304 CPTK_TYPE_PACK_ELEMENT.
1305 * tree.cc (strip_typedefs): Handle non-type first argument.
1306 Pass tf_warning_or_error to finish_trait_type.
1307 * typeck.cc (structural_comptypes) <case TRAIT_TYPE>: Use
1308 cp_tree_equal instead of same_type_p for the first argument.
1310 2023-04-19 Patrick Palka <ppalka@redhat.com>
1313 * pt.cc (try_class_unification): Don't ggc_free the copy of
1316 2023-04-19 Jason Merrill <jason@redhat.com>
1319 * decl.cc (grokdeclarator): Keep typedef_decl for __int128_t.
1321 2023-04-17 Patrick Palka <ppalka@redhat.com>
1324 * pt.cc (tsubst) <case BOUND_TEMPLATE_TEMPLATE_PARM>:
1325 In the level-lowering case just use lookup_template_class
1326 to rebuild the bound ttp.
1328 2023-04-15 Jason Merrill <jason@redhat.com>
1331 * constexpr.cc (cxx_eval_constant_expression) [TARGET_EXPR]:
1332 Check for complex initializer.
1334 2023-04-13 Patrick Palka <ppalka@redhat.com>
1337 * decl.cc (make_typename_type): Also ignore non-types during the
1338 lookup if tag_type corresponds to an elaborated-type-specifier.
1339 * pt.cc (tsubst) <case TYPENAME_TYPE>: Pass class_type or
1340 enum_type as tag_type to make_typename_type accordingly instead
1341 of always passing typename_type.
1343 2023-04-13 Jason Merrill <jason@redhat.com>
1346 * semantics.cc (check_trait_type): Handle incomplete type directly.
1347 * typeck2.cc (cxx_incomplete_type_diagnostic): Remove assert.
1349 2023-04-13 Jason Merrill <jason@redhat.com>
1351 * typeck2.cc (cxx_incomplete_type_diagnostic): Return bool.
1352 * cp-tree.h (cxx_incomplete_type_diagnostic): Adjust.
1354 2023-04-12 Jakub Jelinek <jakub@redhat.com>
1356 * Make-lang.in (s-cp-module-version): New target.
1357 (cp/module.o): Depend on it.
1358 (MODULE_VERSION): Remove variable.
1359 (CFLAGS-cp/module.o): For -DMODULE_VERSION= argument just
1360 cat s-cp-module-version.
1362 2023-04-09 Iain Sandoe <iain@sandoe.co.uk>
1364 * coroutines.cc (coro_rewrite_function_body): Ensure that added
1365 bind expressions have scope blocks.
1367 2023-04-04 Jason Merrill <jason@redhat.com>
1370 * decl2.cc (find_last_decl): Return early if DECL_USE_TEMPLATE.
1372 2023-04-03 Patrick Palka <ppalka@redhat.com>
1375 * decl.cc (cp_finish_decl): Diagnose ordinary auto deduction
1376 with no initializer, instead of asserting.
1378 2023-04-01 Patrick Palka <ppalka@redhat.com>
1381 * cp-tree.h (do_auto_deduction): Add defaulted tmpl parameter.
1382 * pt.cc (convert_template_argument): Pass 'in_decl' as 'tmpl' to
1384 (tsubst_decl) <case VAR_/TYPE_DECL>: Pass 'tmpl' instead of 't' as
1385 'in_decl' to coerce_template_parms.
1386 (unify) <case TEMPLATE_PARM_INDEX>: Pass TPARMS_PRIMARY_TEMPLATE
1387 as 'tmpl' to do_auto_deduction.
1388 (do_auto_deduction): Document default arguments. Rename local
1389 variable 'tmpl' to 'ctmpl'. Use 'tmpl' to obtain a full set of
1390 template arguments for satisfaction in the adc_unify case.
1392 2023-04-01 Patrick Palka <ppalka@redhat.com>
1396 * pt.cc (invalid_tparm_referent_p): Accept ADDR_EXPR of
1398 (instantiate_class_template): Call mark_template_arguments_used.
1399 (tsubst_copy_and_build) <case CALL_EXPR>: Revert r13-995 change.
1400 (mark_template_arguments_used): Define.
1401 (instantiate_body): Call mark_template_arguments_used.
1403 2023-04-01 Iain Sandoe <iain@sandoe.co.uk>
1406 * coroutines.cc (flatten_await_stmt): Use the current count of
1407 promoted temporaries to build a unique name for the frame entries.
1409 2023-03-30 Jason Merrill <jason@redhat.com>
1412 * search.cc (type_context_for_name_lookup): New.
1413 (accessible_p): Handle anonymous union.
1414 * init.cc (maybe_instantiate_nsdmi_init): Use
1415 type_context_for_name_lookup.
1416 * parser.cc (cp_parser_class_specifier): Likewise.
1417 * cp-tree.h (type_context_for_name_lookup): Declare.
1419 2023-03-30 Jason Merrill <jason@redhat.com>
1422 * pt.cc (unify) [FUNCTION_TYPE]: Handle function pointer
1425 2023-03-30 Jakub Jelinek <jakub@redhat.com>
1428 * decl2.cc (grok_array_decl): After emitting a pedwarn for
1429 -Wcomma-subscript, if processing_template_decl set orig_index_exp
1430 to compound expr from orig_index_exp_list.
1432 2023-03-30 Jason Merrill <jason@redhat.com>
1436 * decl2.cc (record_mangling): Use symtab_node::reset.
1438 2023-03-30 Jakub Jelinek <jakub@redhat.com>
1441 * call.cc (convert_like_internal): If pedwarn for extended float
1442 type conversions doesn't report anything, avoid calling
1443 maybe_inform_about_fndecl_for_bogus_argument_init.
1445 2023-03-29 Jason Merrill <jason@redhat.com>
1449 * pt.cc (alias_ctad_tweaks): Rewrite deduced args.
1450 (type_targs_deducible_from): Handle null pack deduction.
1452 2023-03-28 David Malcolm <dmalcolm@redhat.com>
1455 * parser.cc (cp_parser_binary_expression): Update for new param of
1456 check_for_xor_used_as_pow.
1458 2023-03-28 Jakub Jelinek <jakub@redhat.com>
1461 * contracts.cc: Include intl.h.
1462 (check_postcondition_result): Don't form diagnostics from two halves
1463 of an English message to allow translations.
1465 2023-03-24 Patrick Palka <ppalka@redhat.com>
1468 * parser.cc (cp_parser_class_specifier): Clear current_class_ptr
1469 and current_class_ref sooner, before parsing a class definition.
1471 2023-03-24 Jason Merrill <jason@redhat.com>
1474 * pt.cc (type_unification_real): Adjust for partial ordering.
1476 2023-03-23 Jason Merrill <jason@redhat.com>
1479 * typeck.cc (build_ptrmemfunc): Drop 0-offset optimization
1480 and location wrappers.
1482 2023-03-23 Marek Polacek <polacek@redhat.com>
1485 * call.cc (class_has_reference_member_p): New.
1486 (class_has_reference_member_p_r): New.
1487 (reference_like_class_p): Don't look for a specific constructor.
1488 Use a DFS walk with class_has_reference_member_p_r.
1490 2023-03-23 Jason Merrill <jason@redhat.com>
1493 * pt.cc (find_parameter_packs_r): Handle null TREE_BINFO.
1495 2023-03-22 Jason Merrill <jason@redhat.com>
1498 * pt.cc (unify): Use fold of build_nop instead of fold_convert.
1500 2023-03-22 Jason Merrill <jason@redhat.com>
1503 * semantics.cc (finish_id_expression_1): Check scope before
1504 returning id_expression.
1506 2023-03-22 Alex Coplan <alex.coplan@arm.com>
1509 * call.cc (build_over_call): Use make_temp_override to suppress
1510 both unavailable and deprecated warnings when calling
1513 2023-03-21 Jason Merrill <jason@redhat.com>
1516 * init.cc (maybe_instantiate_nsdmi_init): Don't leave
1517 current_function_decl set to a constructor.
1519 2023-03-20 Marek Polacek <polacek@redhat.com>
1522 * call.cc (add_template_candidate_real): Add explicit decls to the
1523 set of candidates when the initializer is a braced-init-list.
1525 2023-03-20 Jakub Jelinek <jakub@redhat.com>
1528 * cp-tree.h (var_needs_tls_wrapper): Declare.
1529 * decl2.cc (var_needs_tls_wrapper): No longer static.
1530 * decl.cc (cp_finish_decl): Clear TREE_READONLY on TLS variables
1531 for which a TLS wrapper will be needed.
1533 2023-03-17 Jason Merrill <jason@redhat.com>
1536 * lambda.cc (prune_lambda_captures): Don't bother in a template.
1538 2023-03-17 Jason Merrill <jason@redhat.com>
1541 * except.cc (build_throw): Check dtor access.
1543 2023-03-17 Jason Merrill <jason@redhat.com>
1546 * friend.cc (do_friend): Handle namespace as scope argument.
1547 * decl.cc (grokdeclarator): Pass down in_namespace.
1549 2023-03-16 Jason Merrill <jason@redhat.com>
1552 * init.cc (get_nsdmi): Split out...
1553 (maybe_instantiate_nsdmi_init): ...this function.
1554 * cp-tree.h: Declare it.
1555 * pt.cc (tsubst_expr): Use it.
1557 2023-03-16 Jason Merrill <jason@redhat.com>
1560 * pt.cc (tsubst_expr) [TAG_DEFN]: Handle partial instantiation.
1562 2023-03-16 Jason Merrill <jason@redhat.com>
1565 * semantics.cc (finish_qualified_id_expr): Don't try to build a
1566 pointer-to-member if the scope is an enumeration.
1568 2023-03-16 Patrick Palka <ppalka@redhat.com>
1571 * constexpr.cc (maybe_constant_init_1): For an unevaluated
1572 non-manifestly-constant operand, don't constant evaluate
1573 and instead call fold_to_constant as in maybe_constant_value.
1575 2023-03-16 Patrick Palka <ppalka@redhat.com>
1578 * constraint.cc (satisfaction_cache::get): Relax overly strict
1579 checking assert in the constraint recursion case.
1581 2023-03-16 Jason Merrill <jason@redhat.com>
1584 * coroutines.cc (build_co_await): Handle lvalue 'o'.
1586 2023-03-15 Jason Merrill <jason@redhat.com>
1590 * typeck.cc (cp_build_modify_expr): Allow array initialization of
1591 DECL_ARTIFICIAL variable.
1593 2023-03-15 Marek Polacek <polacek@redhat.com>
1596 * constexpr.cc (cxx_eval_store_expression): Strip location wrappers.
1598 2023-03-15 Jason Merrill <jason@redhat.com>
1601 * semantics.cc (check_template_template_default_arg): Check
1602 maybe_get_template_decl_from_type_decl.
1604 2023-03-15 Jason Merrill <jason@redhat.com>
1609 * pt.cc (coerce_template_template_parms): Use args from
1610 DECL_CONTEXT (arg_tmpl) instead of outer_args.
1612 2023-03-15 Jason Merrill <jason@redhat.com>
1615 * pt.cc (coerce_template_template_parms): Take the arg and parm
1617 (coerce_template_template_parm): Adjust.
1618 (template_template_parm_bindings_ok_p): Adjust.
1619 (convert_template_argument): Adjust.
1621 2023-03-14 Patrick Palka <ppalka@redhat.com>
1624 * pt.cc (push_inline_template_parms_recursive): Set
1625 TEMPLATE_PARMS_CONSTRAINTS.
1626 (push_template_decl): For an out-of-line declaration, verify
1627 constraints for each enclosing template scope match those of the
1628 original template declaratation.
1630 2023-03-14 Patrick Palka <ppalka@redhat.com>
1633 * pt.cc (redeclare_class_template): Add missing "of" in
1634 constraint mismatch diagnostic.
1635 (tsubst_friend_class): For an already declared class template,
1636 substitute and pass the friend declaration's constraints to
1637 redeclare_class_template instead of passing the existing
1638 template's constraints.
1640 2023-03-14 Jason Merrill <jason@redhat.com>
1643 * pt.cc (unify_pack_expansion): Check that TPARMS_PRIMARY_TEMPLATE
1646 2023-03-14 Jason Merrill <jason@redhat.com>
1649 * cp-gimplify.cc (genericize_if_stmt): Restore folding
1650 of constant conditions.
1652 2023-03-14 Jakub Jelinek <jakub@redhat.com>
1655 * tree.cc (record_has_unique_obj_representations): Ignore unnamed
1658 2023-03-13 Jason Merrill <jason@redhat.com>
1661 * parser.cc (cp_parser_set_decl_spec_type): Use
1662 redefined_builtin_type for extended_float_type_p.
1664 2023-03-13 Marek Polacek <polacek@redhat.com>
1667 * call.cc (reference_like_class_p): Check for std::span.
1669 2023-03-10 Jakub Jelinek <jakub@redhat.com>
1672 * decl.cc (cp_finish_decl): Don't clear TREE_READONLY on
1673 automatic non-aggregate variables just because of
1674 -fmerge-all-constants.
1676 2023-03-10 Jakub Jelinek <jakub@redhat.com>
1679 * class.cc (end_of_class): For bit-fields, instead of computing
1680 offset as sum of byte_position (field) and DECL_SIZE_UNIT (field),
1681 compute it as sum of bit_position (field) and DECL_SIZE (field)
1682 divided by BITS_PER_UNIT rounded up.
1684 2023-03-10 Jason Merrill <jason@redhat.com>
1687 * lambda.cc (compare_lambda_template_head): Check more
1688 for error_mark_node.
1690 2023-03-10 Jason Merrill <jason@redhat.com>
1693 * mangle.cc (anon_aggr_naming_decl): New.
1694 (write_unqualified_name): Use it.
1696 2023-03-10 Jakub Jelinek <jakub@redhat.com>
1699 * decl.cc (poplevel): Suppress OPT_Wunused_variable warning
1700 after diagnosing it.
1702 2023-03-10 Jason Merrill <jason@redhat.com>
1705 * decl.cc (grokdeclarator): Handle non-typedef typedef_decl.
1707 2023-03-10 Jason Merrill <jason@redhat.com>
1710 * class.cc (instantiate_type): Strip location wrapper.
1712 2023-03-09 Jason Merrill <jason@redhat.com>
1715 * init.cc (find_allocator_temps_r): New.
1716 (combine_allocator_temps): Replace find_allocator_temp.
1717 (build_vec_init): Adjust.
1719 2023-03-09 Jason Merrill <jason@redhat.com>
1723 * pt.cc (alias_ctad_tweaks): Continue after deduction failure.
1725 2023-03-09 Jason Merrill <jason@redhat.com>
1726 Michael Spertus <mike@spertus.com>
1729 * pt.cc (corresponding_template_parameter_list): Split out...
1730 (corresponding_template_parameter): ...from here.
1731 (find_template_parameters): Factor out...
1732 (find_template_parameter_info::find_in): ...this function.
1733 (find_template_parameter_info::find_in_recursive): New.
1734 (find_template_parameter_info::found): New.
1735 (alias_ctad_tweaks): Only add parms used in the deduced args.
1737 2023-03-09 Jason Merrill <jason@redhat.com>
1739 * cp-trait.def (IS_DEDUCIBLE): Add space to name.
1741 2023-03-09 Jason Merrill <jason@redhat.com>
1744 * cp-trait.def (IS_DEDUCIBLE): New.
1745 * cxx-pretty-print.cc (pp_cxx_trait): Handle non-type.
1746 * parser.cc (cp_parser_trait): Likewise.
1747 * tree.cc (cp_tree_equal): Likewise.
1748 * pt.cc (tsubst_copy_and_build): Likewise.
1749 (type_targs_deducible_from): New.
1750 (alias_ctad_tweaks): Use it.
1751 * semantics.cc (trait_expr_value): Handle CPTK_IS_DEDUCIBLE.
1752 (finish_trait_expr): Likewise.
1753 * constraint.cc (diagnose_trait_expr): Likewise.
1754 * cp-tree.h (type_targs_deducible_from): Declare.
1756 2023-03-07 Jason Merrill <jason@redhat.com>
1760 * pt.cc (tsubst_function_decl): Don't replace the closure
1761 parameter if DECL_STATIC_FUNCTION_P.
1763 2023-03-07 Marek Polacek <polacek@redhat.com>
1766 * call.cc (reference_like_class_p): New.
1767 (do_warn_dangling_reference): Add new bool parameter. See through
1768 reference_like_class_p.
1770 2023-03-07 Jakub Jelinek <jakub@redhat.com>
1773 * rtti.cc (emit_support_tinfo_1): Don't assert that last
1774 unemitted_tinfo_decls element is tinfo, instead pop from it only in
1776 * decl2.cc (c_parse_final_cleanups): Don't call emit_tinfo_decl
1777 for unemitted_tinfO_decls which have already non-NULL DECL_INITIAL.
1779 2023-03-07 Marek Polacek <polacek@redhat.com>
1782 * constexpr.cc (cxx_eval_call_expression): Relax assert.
1784 2023-03-07 Marek Polacek <polacek@redhat.com>
1787 * constexpr.cc (potential_constant_expression_1) <case CALL_EXPR>: Pass
1788 'any' when recursing on a VAR_DECL and not a pointer to function.
1790 2023-03-04 Jakub Jelinek <jakub@redhat.com>
1793 * constexpr.cc: Include toplev.h.
1794 (cxx_eval_constant_expression) <case DECL_EXPR>: When seeing a local
1795 static initialized by constant expression outside of a constexpr
1796 function which has been deferred by make_rtl_for_nonlocal_decl,
1797 call rest_of_decl_compilation on it.
1799 2023-03-03 Patrick Palka <ppalka@redhat.com>
1802 * pt.cc (el_data::skipped_trees): New data member.
1803 (extract_locals_r): Push to skipped_trees any unevaluated
1804 contexts that we skipped over.
1805 (extract_local_specs): For the second walk, start from each
1806 tree in skipped_trees.
1808 2023-03-03 Alexandre Oliva <oliva@adacore.com>
1810 * typeck.cc (cp_build_binary_op): Suppress redundant warning
1811 for pfn null test in pmfn test with vbit-in-delta.
1813 2023-03-02 Jakub Jelinek <jakub@redhat.com>
1816 * cp-tree.h (enum cp_tree_index): Remove CPTI_FALLBACK_DFLOAT*_TYPE
1818 (fallback_dfloat32_type, fallback_dfloat64_type,
1819 fallback_dfloat128_type): Remove.
1820 * rtti.cc (emit_support_tinfo_1): If not emitted already, call
1821 emit_tinfo_decl and remove from unemitted_tinfo_decls right away.
1822 (emit_support_tinfos): Move &dfloat*_type_node from fundamentals array
1823 into new fundamentals_with_fallback array. Call emit_support_tinfo_1
1824 on elements of that array too, with the difference that if
1825 the type is NULL, use a fallback REAL_TYPE for it temporarily.
1826 Drop the !targetm.decimal_float_supported_p () handling. Call
1827 targetm.emit_support_tinfos at the end.
1828 * mangle.cc (write_builtin_type): Remove references to
1829 fallback_dfloat*_type. Handle bfloat16_type_node mangling.
1831 2023-03-02 Patrick Palka <ppalka@redhat.com>
1835 * cp-gimplify.cc (cp_fully_fold): Add an internal overload that
1836 additionally takes and propagate an mce_value parameter, and
1837 define the existing public overload in terms of it.
1838 (cp_fully_fold_init): Pass mce_false to cp_fully_fold.
1840 2023-03-02 Patrick Palka <ppalka@redhat.com>
1843 * constexpr.cc (maybe_constant_init_1): Override
1844 manifestly_const_eval to true if is_static.
1846 2023-03-02 Jakub Jelinek <jakub@redhat.com>
1849 * cp-gimplify.cc (cp_genericize_r) <case USING_STMT>: Set
1850 DECL_SOURCE_LOCATION on IMPORTED_DECL to expression location
1851 of USING_STMT or input_location.
1853 2023-03-02 Marek Polacek <polacek@redhat.com>
1856 * parser.cc (class_decl_loc_t::diag_mismatched_tags): If the first
1857 lookup of SPEC didn't find anything, try to look for
1858 most_general_template.
1860 2023-03-02 Jakub Jelinek <jakub@redhat.com>
1863 * parser.cc (cp_convert_omp_range_for): Allow in assert
1864 decomp_first_name without DECL_HAS_VALUE_EXPR_P if it has
1865 error_mark_node type.
1866 (cp_finish_omp_range_for): Don't set DECL_HAS_VALUE_EXPR_P back
1867 on decls which have error_mark_node type.
1869 2023-03-01 Marek Polacek <polacek@redhat.com>
1872 * constexpr.cc (cxx_eval_constant_expression): Emit an error when
1873 a PTRMEM_CST cannot be evaluated.
1875 2023-03-01 Patrick Palka <ppalka@redhat.com>
1877 * pt.cc (tsubst_scope): Define.
1878 (tsubst_decl) <case USING_DECL>: Call tsubst_scope instead of
1879 calling tsubst_scope with tf_qualifying_scope set.
1880 (tsubst_qualified_id): Call tsubst_scope instead of
1881 calling tsubst with tf_qualifying_scope set.
1882 (tsubst_copy): Immediately delegate to tsubst for all TYPE_P
1883 trees. Remove tf_qualifying_scope manipulation.
1884 <case SCOPE_REF>: Call tsubst_scope instead of calling
1885 tsubst with tf_qualifying_scope set.
1887 2023-03-01 Patrick Palka <ppalka@redhat.com>
1888 Jason Merrill <jason@redhat.com>
1892 * constexpr.cc (fold_to_constant): Define.
1893 (maybe_constant_value): Move up early exit test for unevaluated
1894 operands. Try reducing an unevaluated operand to a constant via
1896 (fold_non_dependent_expr_template): Add early exit test for
1897 CONSTANT_CLASS_P nodes. Try reducing an unevaluated operand
1898 to a constant via fold_to_constant.
1899 * cp-tree.h (fold_to_constant): Declare.
1901 2023-03-01 Jakub Jelinek <jakub@redhat.com>
1904 * constexpr.cc (potential_constant_expression_1) <case DECL_EXPR>:
1905 Only recurse on DECL_INITIAL (tmp) if tmp is a VAR_DECL, otherwise
1908 2023-02-28 Patrick Palka <ppalka@redhat.com>
1911 * pt.cc (finish_template_variable): Move dependence check
1913 (lookup_and_finish_template_variable): ... here.
1914 * semantics.cc (finish_id_expression_1): Call
1915 finish_template_variable sooner, before (and regardless of) the
1916 type_dependent_expression_p test.
1918 2023-02-28 Marek Polacek <polacek@redhat.com>
1921 * pt.cc (lookup_and_finish_template_variable): Clear tf_partial.
1923 2023-02-20 Marek Polacek <polacek@redhat.com>
1926 * constexpr.cc (cxx_eval_call_expression): Replace shortcutting trivial
1927 constructor/op= with a checking assert.
1929 2023-02-20 Marek Polacek <polacek@redhat.com>
1932 * pt.cc (prepend_one_capture): Set LAMBDA_CAPTURE_EXPLICIT_P.
1933 (tsubst_lambda_expr): Pass LAMBDA_CAPTURE_EXPLICIT_P to
1934 prepend_one_capture.
1936 2023-02-18 Jason Merrill <jason@redhat.com>
1946 * semantics.cc (finish_static_assert): Don't diagnose in
1949 2023-02-17 Patrick Palka <ppalka@redhat.com>
1953 * cp-gimplify.cc (enum fold_flags): Define.
1954 (fold_flags_t): Declare.
1955 (cp_fold_data::genericize): Replace this data member with ...
1956 (cp_fold_data::fold_flags): ... this.
1957 (cp_fold_r): Adjust use of cp_fold_data and calls to cp_fold.
1958 (cp_fold_function): Likewise.
1959 (cp_fold_maybe_rvalue): Add an internal overload that
1960 additionally takes and propagates a fold_flags_t parameter, and
1961 define the existing public overload in terms of it.
1962 (cp_fold_rvalue): Likewise.
1963 (cp_fully_fold_init): Adjust use of cp_fold_data.
1964 (fold_cache): Replace with ...
1965 (fold_caches): ... this 2-element array of caches.
1966 (get_fold_cache): Define.
1967 (clear_fold_cache): Adjust.
1968 (cp_fold): Add fold_flags_t parameter. Use get_fold_cache.
1969 Pass flags to calls to cp_fold, cp_fold_rvalue and
1970 cp_fold_maybe_rvalue.
1971 <case CALL_EXPR>: If ff_mce_false is set, fold
1972 __builtin_is_constant_evaluated to false and pass mce_false to
1973 maybe_constant_value.
1975 2023-02-17 Patrick Palka <ppalka@redhat.com>
1977 * constexpr.cc (constexpr_call::manifestly_const_eval): Give
1978 it type int instead of bool.
1979 (constexpr_ctx::manifestly_const_eval): Give it type mce_value
1981 (cxx_eval_builtin_function_call): Adjust after making
1982 manifestly_const_eval tri-state.
1983 (cxx_eval_call_expression): Likewise.
1984 (cxx_eval_binary_expression): Likewise.
1985 (cxx_eval_conditional_expression): Likewise.
1986 (cxx_eval_constant_expression): Likewise.
1987 (cxx_eval_outermost_constant_expr): Likewise.
1988 (cxx_constant_value): Likewise.
1989 (cxx_constant_dtor): Likewise.
1990 (maybe_constant_value): Give manifestly_const_eval parameter
1991 type mce_value instead of bool and adjust accordingly.
1992 (fold_non_dependent_expr_template): Adjust call
1993 to cxx_eval_outermost_constant_expr.
1994 (fold_non_dependent_expr): Likewise.
1995 (maybe_constant_init_1): Likewise.
1996 * constraint.cc (satisfy_atom): Adjust call to
1997 maybe_constant_value.
1998 * cp-tree.h (enum class mce_value): Define.
1999 (maybe_constant_value): Adjust manifestly_const_eval parameter
2000 type and default argument.
2001 * decl.cc (compute_array_index_type_loc): Adjust call to
2002 maybe_constant_value.
2003 * pt.cc (convert_nontype_argument): Likewise.
2005 2023-02-16 Patrick Palka <ppalka@redhat.com>
2008 * cp-tree.h (enum tsubst_flags): New flag tf_qualifying_scope.
2009 * decl.cc (make_typename_type): Use lookup_member instead of
2010 lookup_field. If tf_qualifying_scope is set, pass want_type=true
2011 instead of =false to lookup_member. Generalize format specifier
2012 in diagnostic to handle both type and non-type bindings.
2013 * pt.cc (tsubst_aggr_type_1): Clear tf_qualifying_scope. Tidy
2015 (tsubst_decl) <case USING_DECL>: Set tf_qualifying_scope when
2016 substituting USING_DECL_SCOPE.
2017 (tsubst): Clear tf_qualifying_scope right away and remember if
2018 it was set. Do the same for tf_tst_ok sooner.
2019 <case TYPENAME_TYPE>: Set tf_qualifying_scope when substituting
2020 TYPE_CONTEXT. Pass tf_qualifying_scope to make_typename_type
2022 (tsubst_qualified_id): Set tf_qualifying_scope when substituting
2024 (tsubst_copy): Clear tf_qualifying_scope and remember if it was
2026 <case SCOPE_REF>: Set tf_qualifying_scope when substituting the
2028 <case *_TYPE>: Pass tf_qualifying_scope to tsubst if it was set.
2029 * search.cc (lookup_member): Document default argument.
2031 2023-02-16 Patrick Palka <ppalka@redhat.com>
2033 * cp-tree.h: Mechanically drop static from static inline
2034 functions via s/^static inline/inline/g.
2036 2023-02-15 Marek Polacek <polacek@redhat.com>
2039 * call.cc (joust_maybe_elide_copy): Return false for ck_ambig.
2041 2023-02-10 Marek Polacek <polacek@redhat.com>
2044 * call.cc (set_up_extended_ref_temp): Pass var to maybe_constant_init.
2046 2023-02-09 Tobias Burnus <tobias@codesourcery.com>
2048 * parser.cc (cp_parser_omp_allocate): Parse align
2049 clause and check for restrictions.
2051 2023-02-09 Jakub Jelinek <jakub@redhat.com>
2054 * mangle.cc (write_expression, write_template_arg): Handle
2055 EXCESS_PRECISION_EXPR with REAL_CST operand as
2056 write_template_arg_literal on fold_convert of the REAL_CST
2057 to EXCESS_PRECISION_EXPR type.
2059 2023-02-06 Patrick Palka <ppalka@redhat.com>
2062 * cp-tree.h (call_expr_dependent_name): Declare.
2063 * pt.cc (iterative_hash_template_arg) <case CALL_EXPR>: Use
2064 call_expr_dependent_name instead of dependent_name.
2065 * tree.cc (call_expr_dependent_name): Define.
2066 (called_fns_equal): Adjust to take two CALL_EXPRs instead of
2067 CALL_EXPR_FNs thereof. Use call_expr_dependent_name instead
2069 (cp_tree_equal) <case CALL_EXPR>: Adjust call to called_fns_equal.
2071 2023-02-03 Marek Polacek <polacek@redhat.com>
2074 * constexpr.cc (cxx_eval_array_reference): Don't replace
2077 2023-02-03 Patrick Palka <ppalka@redhat.com>
2080 * semantics.cc (finish_call_expr): Strip ADDR_EXPR from
2081 the selected callee during overload set pruning.
2083 2023-02-03 Patrick Palka <ppalka@redhat.com>
2086 * class.cc (check_methods): Diagnose an unviable OVERLOAD
2087 set for CLASSTYPE_DESTRUCTOR differently from an ambiguous one.
2088 Then prune the OVERLOAD to a single function.
2089 (check_bases_and_members): Handle CLASSTYPE_DESTRUCTOR being
2090 an OVERLOAD when calling deduce_noexcept_on_destructor.
2091 Document why it has to be called before check_methods.
2093 2023-02-03 Patrick Palka <ppalka@redhat.com>
2096 * class.cc (check_methods): Swap order of constraints_satisfied_p
2097 and copy/move_fn_p tests.
2099 2023-02-01 Marek Polacek <polacek@redhat.com>
2102 * call.cc (build_new_op): Don't call warn_logical_operator when
2103 processing a template.
2105 2023-02-01 Jakub Jelinek <jakub@redhat.com>
2108 * constexpr.cc (cxx_eval_constant_expression): Handle OMP_*
2109 and OACC_* constructs as non-constant.
2110 (potential_constant_expression_1): Handle OMP_SCAN and OMP_SCOPE.
2112 2023-02-01 Jason Merrill <jason@redhat.com>
2114 * class.cc (note_name_declared_in_class): Change from permerror to
2115 -Wchanges-meaning pedwarn, forcing -pedantic-errors for most cases.
2117 2023-01-31 Jason Merrill <jason@redhat.com>
2120 * cp-gimplify.cc (any_non_eliding_target_exprs): New.
2121 (cp_genericize_init): Check it.
2123 2023-01-31 Marek Polacek <polacek@redhat.com>
2127 * cp-tree.h (instantiation_dependent_expression_p): Don't
2130 2023-01-26 Marek Polacek <polacek@redhat.com>
2133 * parser.cc: Remove unnecessary forward declarations.
2134 (cp_parser_string_literal): New wrapper.
2135 (cp_parser_string_literal_common): Renamed from
2136 cp_parser_string_literal. Add a bool parameter. Give an error when
2137 UDLs are not permitted.
2138 (cp_parser_userdef_string_literal): New wrapper.
2139 (finish_userdef_string_literal): Renamed from
2140 cp_parser_userdef_string_literal.
2141 (cp_parser_primary_expression): Call cp_parser_userdef_string_literal
2142 instead of cp_parser_string_literal.
2143 (cp_parser_linkage_specification): Move a variable declaration closer
2145 (cp_parser_static_assert): Likewise.
2146 (cp_parser_operator): Call cp_parser_userdef_string_literal instead of
2147 cp_parser_string_literal.
2148 (cp_parser_asm_definition): Move a variable declaration closer to its
2150 (cp_parser_asm_specification_opt): Move variable declarations closer to
2152 (cp_parser_asm_operand_list): Likewise.
2153 (cp_parser_asm_clobber_list): Likewise.
2155 2023-01-26 Jakub Jelinek <jakub@redhat.com>
2158 * parser.cc (cp_convert_omp_range_for): If cp_finish_decomp has been
2159 called in !processing_template_decl with processing_template_decl
2160 temporarily set, clear DECL_HAS_VALUE_EXPR_P on the vars temporarily.
2161 (cp_finish_omp_range_for): And set it back again here.
2163 2023-01-25 Jakub Jelinek <jakub@redhat.com>
2166 * mangle.cc (write_closure_type_name): Don't assume all
2167 lambda operator() fns are methods.
2169 2023-01-24 Jason Merrill <jason@redhat.com>
2172 * parser.cc (cp_lexer_new_main): Pass C_LEX_STRING_NO_JOIN for first
2175 2023-01-24 Jason Merrill <jason@redhat.com>
2178 * pt.cc (tsubst_function_decl): Handle static lambda.
2180 2023-01-24 Jakub Jelinek <jakub@redhat.com>
2183 * cp-gimplify.cc (cp_fold_r): Revert 2023-01-19 changes.
2185 2023-01-24 Jason Merrill <jason@redhat.com>
2189 * cp-gimplify.cc (cp_fold_r) [TARGET_EXPR]: In case of double
2190 TARGET_EXPR, keep the outer one instead of the inner one.
2191 (maybe_replace_decl): New.
2193 2023-01-23 Jason Merrill <jason@redhat.com>
2196 * cp-gimplify.cc (cp_gimplify_init_expr): Allow unexpected elision
2199 2023-01-23 Marek Polacek <polacek@redhat.com>
2202 * cvt.cc (ocp_convert): copy_warning when creating a new
2204 * init.cc (build_new_1): Suppress -Wunused-value on
2205 compiler-generated COMPOUND_EXPRs.
2207 2023-01-23 Jason Merrill <jason@redhat.com>
2210 * call.cc (build_user_type_conversion_1): Check whether the
2211 iterators also find a list ctor.
2213 2023-01-23 Jason Merrill <jason@redhat.com>
2216 * decl.cc (grokdeclarator): Check whether DECL_RESULT is already
2219 2023-01-23 Jason Merrill <jason@redhat.com>
2223 * call.cc (extend_ref_init_temps_1): Handle ptrmem expression.
2225 2023-01-19 Jakub Jelinek <jakub@redhat.com>
2228 * cp-tree.h (keep_unused_object_arg): Declare.
2229 * call.cc (keep_unused_object_arg): No longer static.
2230 * tree.cc (build_min_non_dep_op_overload): Handle ARRAY_REF
2231 with overload being static member function.
2233 2023-01-19 Jakub Jelinek <jakub@redhat.com>
2236 * cp-gimplify.cc (cp_fold_r): During cp_fully_fold_init replace
2237 DECL_ANON_UNION_VAR_P VAR_DECLs with their corresponding
2240 2023-01-16 Jakub Jelinek <jakub@redhat.com>
2243 * decl.cc (cp_finish_decl): Check warning_enabled_at
2244 at the DECL_SOURCE_LOCATION (decl) for OPT_Winit_self instead
2247 2023-01-14 Jakub Jelinek <jakub@redhat.com>
2250 * typeck.cc (cp_build_binary_op): Use may_shorten_divmod for integral
2253 2023-01-13 Jakub Jelinek <jakub@redhat.com>
2256 * cvt.cc (cp_convert_and_check): For EXCESS_PRECISION_EXPR
2257 use its operand except that for warning purposes use the original
2258 EXCESS_PRECISION_EXPR.
2259 * call.cc (convert_like_internal): Only look through
2260 EXCESS_PRECISION_EXPR when calling cp_convert, not when calling
2261 cp_convert_and_check.
2263 2023-01-09 Jakub Jelinek <jakub@redhat.com>
2268 * call.cc (maybe_init_list_as_range): Always return NULL_TREE if
2269 processing_template_decl.
2271 2023-01-05 Patrick Palka <ppalka@redhat.com>
2274 * parser.cc (cp_parser_class_head): Use dk_deferred instead of
2275 dk_no_check when parsing the class name.
2277 2023-01-05 Jakub Jelinek <jakub@redhat.com>
2280 * semantics.cc (finish_omp_target_clauses): Ignore clauses other than
2283 2023-01-04 Patrick Palka <ppalka@redhat.com>
2286 * decl2.cc (mark_single_function): Ignore mark_used failure
2287 only in a non-SFINAE context rather than in a SFINAE one.
2289 2023-01-04 Jakub Jelinek <jakub@redhat.com>
2292 * decl.cc (merge_default_template_args): Return false if either
2293 new_parm or old_parm are erroneous.
2296 Copyright (C) 2023 Free Software Foundation, Inc.
2298 Copying and distribution of this file, with or without modification,
2299 are permitted in any medium without royalty provided the copyright
2300 notice and this notice are preserved.