1 2019-10-30 Jason Merrill <jason@redhat.com>
3 PR c++/92268 - hard error satisfying return-type-requirement
4 * constraint.cc (type_deducible_p): Check for substitution failure.
5 (diagnose_compound_requirement): Adjust diagnostic.
6 * pt.c (do_auto_deduction): Don't pass cargs to
7 constraints_satisfied_p.
9 2019-10-30 Jakub Jelinek <jakub@redhat.com>
11 PR c++/91369 - Implement P0784R7: constexpr new
12 * constexpr.c (cxx_replaceable_global_alloc_fn): Don't return true
14 (cxx_placement_new_fn, is_std_construct_at): New functions.
15 (cxx_eval_call_expression): Allow placement new in std::construct_at.
16 (potential_constant_expression_1): Likewise.
18 * typeck.c (decl_in_std_namespace_p): Return true also for decls
19 in inline namespaces inside of std namespace.
21 2019-10-30 Bernd Edlinger <bernd.edlinger@hotmail.de>
24 * name-lookup.c (check_local_shadow): Shadowing TYPE_DECLs
25 is always a -Wshadow=compatible-local warning, unless
28 2019-10-30 Jason Merrill <jason@redhat.com>
30 * cxx-pretty-print.c (get_fold_operator): Use OVL_OP_INFO.
32 2019-10-30 Marek Polacek <polacek@redhat.com>
34 PR c++/92134 - constinit malfunction in static data member.
35 * decl2.c (grokfield): Set LOOKUP_CONSTINIT.
37 2019-10-30 Jakub Jelinek <jakub@redhat.com>
39 * cp-tree.h (omp_declare_variant_finalize, build_local_temp): Declare.
40 * decl.c: Include omp-general.h.
41 (declare_simd_adjust_this): Add forward declaration.
42 (omp_declare_variant_finalize_one, omp_declare_variant_finalize): New
44 (cp_finish_decl, finish_function): Call omp_declare_variant_finalize.
45 * parser.c (cp_finish_omp_declare_variant): Adjust parsing of the
46 variant id-expression and propagate enough information to
47 omp_declare_variant_finalize_one in the attribute so that it can
49 * class.c (finish_struct): Call omp_declare_variant_finalize.
50 * tree.c (build_local_temp): No longer static, remove forward
53 2019-10-30 Paolo Carlini <paolo.carlini@oracle.com>
55 * typeck.c (cp_build_modify_expr): Prefer error + inform to
56 error + error in one place.
57 (get_delta_difference_1): Likewise.
58 (get_delta_difference): Likewise, in two places.
60 2019-10-29 Paolo Carlini <paolo.carlini@oracle.com>
62 * typeck.c (build_x_unary_op): Use the location_t argument in
65 2019-10-29 Marek Polacek <polacek@redhat.com>
67 PR c++/90998 - ICE with copy elision in init by ctor and -Wconversion.
68 * call.c (joust): Don't attempt to warn if ->second_conv is null.
70 2019-10-29 Jakub Jelinek <jakub@redhat.com>
73 * cp-gimplify.c (cp_gimplify_expr): If gimplify_to_rvalue changes the
74 function pointer type, re-add cast to the original one.
76 2019-10-29 Marek Polacek <polacek@redhat.com>
78 PR c++/91548 - fix detecting modifying const objects for ARRAY_REF.
79 * constexpr.c (cxx_eval_store_expression): Don't call
80 modifying_const_object_p for ARRAY_REF.
82 2019-10-29 Richard Sandiford <richard.sandiford@arm.com>
84 * cp-objcp-common.h (cxx_simulate_enum_decl): Declare.
85 (LANG_HOOKS_SIMULATE_ENUM_DECL): Define to the above.
86 * decl.c (cxx_simulate_enum_decl): New function.
88 2019-10-29 Richard Sandiford <richard.sandiford@arm.com>
90 * cp-tree.h (cxx_simulate_builtin_function_decl): Declare.
91 * decl.c (cxx_simulate_builtin_function_decl): New function.
92 * cp-objcp-common.h (LANG_HOOKS_SIMULATE_BUILTIN_FUNCTION_DECL):
95 2019-10-28 Martin Sebor <msebor@redhat.com>
98 * cp-objcp-common.c (names_builtin_p): Define new function.
100 2019-10-28 Nathan Sidwell <nathan@acm.org>
102 * parser.h (struct cp_token): Drop {ENUM,BOOL}_BITFIELD C-ism.
103 Add tree_check_p flag, use as nested union discriminator.
104 (struct cp_lexer): Add saved_type & saved_keyword fields.
105 * parser.c (eof_token): Delete.
106 (cp_lexer_new_main): Always init last_token to last token of
108 (cp_lexer_new_from_tokens): Overlay EOF token at end of range.
109 (cp_lexer_destroy): Restore token under the EOF.
110 (cp_lexer_previous_token_position): No check for eof_token here.
111 (cp_lexer_get_preprocessor_token): Clear tree_check_p.
112 (cp_lexer_peek_nth_token): Check CPP_EOF not eof_token.
113 (cp_lexer_consume_token): Assert not CPP_EOF, no check for
115 (cp_lexer_purge_token): Likewise.
116 (cp_lexer_purge_tokens_after): No check for EOF token.
117 (cp_parser_nested_name_specifier, cp_parser_decltype)
118 (cp_parser_template_id): Set tree_check_p.
120 2019-10-24 Jakub Jelinek <jakub@redhat.com>
122 * decl2.c (cplus_decl_attributes): Add "omp declare target block"
123 attribute in between declare target and end declare target
126 * call.c (convert_arg_to_ellipsis): Add missing space in string
129 2019-10-24 Marek Polacek <polacek@redhat.com>
131 * decl.c (reshape_init_r): Add missing space.
133 2019-10-24 Nathan Sidwell <nathan@acm.org>
135 * pt.c (reduce_template_parm_level): Attach the new TPI to the new
137 (convert_generic_types_to_packs): Pass the copied type to
138 reduce_templatE_parm_level.
140 2019-10-23 Nathan Sidwell <nathan@acm.org>
142 * cp-tree.c (CPTI_STD_IDENTIFIER): Delete.
143 (std_identifier): Delete.
144 (DECL_NAME_SPACE_STD_P): Compare against std_node.
145 * decl.c (initialize_predefined_identifiers): 'std' is not needed.
146 (cxx_init_decl_processing): Adjust creation of ::std. Use
147 {push,pop}_nested_namespace.
148 (cxx_builtin_function): Use {push,pop}_nested_namespace.
149 * except.c (init_exception_processing): Likewise.
150 * rtti.c (init_rtti_processing): Likewise.
152 2019-10-23 Jason Merrill <jason@redhat.com>
154 Implement P1286R2, Contra CWG1778
155 * method.c (defaulted_late_check): Don't check explicit
156 exception-specification on defaulted function.
157 (after_nsdmi_defaulted_late_checks): Remove.
158 * parser.h (struct cp_unparsed_functions_entry): Remove classes.
159 * parser.c (unparsed_classes): Remove.
160 (push_unparsed_function_queues, cp_parser_class_specifier_1):
163 2019-10-23 Jakub Jelinek <jakub@redhat.com>
165 * constexpr.c (cxx_eval_constant_expression) <case CLEANUP_STMT>:
166 Temporarily change input_location to CLEANUP_STMT location.
168 2019-10-22 Jakub Jelinek <jakub@redhat.com>
170 PR tree-optimization/85887
171 * decl.c (expand_static_init): Drop ECF_LEAF from __cxa_guard_acquire
172 and __cxa_guard_release.
174 2019-10-22 Marc Glisse <marc.glisse@inria.fr>
177 * constexpr.c (cxx_eval_builtin_function_call): Only set
178 force_folding_builtin_constant_p if manifestly_const_eval.
180 2019-10-22 Richard Sandiford <richard.sandiford@arm.com>
182 * cp-tree.h (STF_USER_VISIBLE): New constant.
183 (strip_typedefs, strip_typedefs_expr): Take a flags argument.
184 * tree.c (strip_typedefs, strip_typedefs_expr): Likewise,
185 updating mutual calls accordingly. When STF_USER_VISIBLE is true,
186 only look through typedefs if user_facing_original_type_p.
187 * error.c (dump_template_bindings, type_to_string): Pass
188 STF_USER_VISIBLE to strip_typedefs.
189 (dump_type): Likewise, unless pp_c_flag_gnu_v3 is set.
191 2019-10-21 Kamlesh Kumar <kamleshbhalui@gmail.com>
192 Jason Merrill <jason@redhat.com>
194 PR c++/83534 - typeinfo of noexcept function
195 * rtti.c (get_tinfo_decl_dynamic): Do not call
196 TYPE_MAIN_VARIANT for function.
197 (get_typeid): Likewise.
199 2019-10-21 Paolo Carlini <paolo.carlini@oracle.com>
201 * parser.c (cp_parser_class_head): Improve error recovery upon
202 extra qualification error.
204 2019-10-21 Jakub Jelinek <jakub@redhat.com>
207 * constexpr.c (cxx_eval_component_reference, cxx_eval_bit_field_ref):
208 Use STRIP_ANY_LOCATION_WRAPPER on CONSTRUCTOR elts.
210 2019-10-21 Marek Polacek <polacek@redhat.com>
212 PR c++/92062 - ODR-use ignored for static member of class template.
213 * pt.c (has_value_dependent_address): Strip location wrappers.
215 2019-10-21 Marek Polacek <polacek@redhat.com>
217 PR c++/92106 - ICE with structured bindings and -Wreturn-local-addr.
218 * typeck.c (maybe_warn_about_returning_address_of_local): Avoid
219 recursing on null initializer and return false instead.
221 2019-10-17 JeanHeyd Meneide <phdofthehouse@gmail.com>
223 Implement p1301 [[nodiscard("should have a reason")]] + p1771 DR
224 * tree.c (handle_nodiscard_attribute): Handle C++2a nodiscard
226 (std_attribute_table) Increase nodiscard argument handling
227 max_length from 0 to 1.
228 * parser.c (cp_parser_check_std_attribute): Add requirement
229 that nodiscard only be seen once in attribute-list.
230 (cp_parser_std_attribute): Check that empty parenthesis lists are
231 not specified for attributes that have max_length > 0 (e.g.
233 * cvt.c (maybe_warn_nodiscard): Add nodiscard message to
234 output, if applicable.
235 (convert_to_void): Allow constructors to be nodiscard-able (P1771).
237 2019-10-18 Nathan Sidwell <nathan@acm.org>
239 * cp-tree.h (struct lang_type): Remove was_anonymous.
240 (TYPE_WAS_UNNAMED): Implement by checking TYPE_DECL &
242 * decl.c (name_unnamed_type): Don't set TYPE_WAS_UNNAMED.
244 2019-10-17 Paolo Carlini <paolo.carlini@oracle.com>
246 * decl.c (grokfndecl): Remove redundant use of in_system_header_at.
247 (compute_array_index_type_loc): Likewise.
248 (grokdeclarator): Likewise.
249 * error.c (cp_printer): Likewise.
250 * lambda.c (add_default_capture): Likewise.
251 * parser.c (cp_parser_primary_expression): Likewise.
252 (cp_parser_selection_statement): Likewise.
253 (cp_parser_toplevel_declaration): Likewise.
254 (cp_parser_enumerator_list): Likewise.
255 (cp_parser_using_declaration): Likewise.
256 (cp_parser_member_declaration): Likewise.
257 (cp_parser_exception_specification_opt): Likewise.
258 (cp_parser_std_attribute_spec): Likewise.
259 * pt.c (do_decl_instantiation): Likewise.
260 (do_type_instantiation): Likewise.
261 * typeck.c (cp_build_unary_op): Likewise.
263 * decl.c (check_tag_decl): Pass to in_system_header_at the same
264 location used for the permerror.
265 (grokdeclarator): Likewise.
267 * decl.c (check_tag_decl): Use locations[ds_typedef] in error_at.
269 2019-10-17 Jason Merrill <jason@redhat.com>
271 * cp-gimplify.c (cp_gimplify_expr): Use get_initialized_tmp_var.
272 (gimplify_to_rvalue): Remove default NULL argument.
274 2019-10-17 Nathan Sidwell <nathan@acm.org>
276 * decl.c (builtin_function_1): Merge into ...
277 (cxx_builtin_function): ... here. Nadger the decl before maybe
278 copying it. Set the context.
279 (cxx_builtin_function_ext_scope): Push to top level, then call
280 cxx_builtin_function.
282 2019-10-16 Luis Machado <luis.machado@linaro.org>
284 * cp-gimplify.c: Fix reference to non-existing tree-gimple.c file.
286 2019-10-16 Jakub Jelinek <jakub@redhat.com>
288 * decl.c (cxx_maybe_build_cleanup): When clearing location of cleanup,
289 if cleanup is a nop, clear location of its operand too.
291 2019-10-15 Andrew Sutton <asutton@lock3software.com>
293 Finish moving constraint and logic functionality of out pt.c.
294 Reimplement and re-enable subsumption caching.
296 * config-lang.in (gtfiles): Add logic.cc.
297 * constraint.cc (atomic_constraints_identical_p): Add assertions.
298 (hash_atomic_constraint): Likewise.
299 (constraints_equivalent_p): New.
300 (inchash::add_constraint): New.
301 (iterative_hash_constraint): New.
302 (decl_constraints): Moved from pt.c.
303 (get_constraints): Likewise.
304 (set_constraints): Likewise.
305 (remove_constraints): Likewise.
306 * cp-tree.h (CONSTR_P): New.
307 (init_constraint_processing): Remove.
308 (constraints_equivalent_p, iterative_hash_constraint): Declare.
309 * decl.c (cxx_init_decl_processing): Don't initialize constraints.
310 * logic.cc (subsumption_entry): Moved from pt.c.
311 (subsumption_hasher): Likewise.
312 (subsumption_cache): Likewise.
313 (lookup_subsumption): Likewise.
314 (save_subsumption): Likewise.
315 (subsumes_constraints_nonnull): Use subsumption cache.
316 * pt.c: Move aforementioned declarations out of this file.
317 (init_constraint_processing): Remove.
319 2019-10-15 Andrew Sutton <asutton@lock3software.com>
321 * parser.c (cp_parser_constructor_declarator_p): Pass an empty
322 decl-specifier-seq to make sure we parse type constraints as part
325 2019-10-15 Nathan Sidwell <nathan@acm.org>
327 * class.c (build_clones): Break out of clone_function_decl. Just
329 (clone_function_decl): Call build_clones, then maybe add them to
332 * class.c (build_clone): Refactor to clarify recursiveness.
334 2019-10-14 Jason Merrill <jason@redhat.com>
336 PR c++/91930 - ICE with constrained inherited default ctor.
337 * name-lookup.c (do_class_using_decl): Set TYPE_HAS_USER_CONSTRUCTOR
338 for inherited constructor.
340 2019-10-14 Paolo Carlini <paolo.carlini@oracle.com>
342 * decl.c (check_tag_decl): Use DECL_SOURCE_LOCATION.
344 2019-10-14 Jakub Jelinek <jakub@redhat.com>
347 * semantics.c (handle_omp_array_sections_1): Temporarily disable
348 -fstrong-eval-order also for in_reduction and task_reduction clauses.
350 * parser.c (cp_parser_omp_all_clauses): Change bool NESTED_P argument
351 into int NESTED, if it is 2, diagnose missing commas in between
353 (cp_parser_omp_context_selector): Pass 2 as last argument to
354 cp_parser_omp_all_clauses.
356 2019-10-12 Jakub Jelinek <jakub@redhat.com>
358 * parser.c (cp_parser_omp_context_selector): Improve error recovery.
359 For simd properties, put them directly into TREE_VALUE.
360 (cp_finish_omp_declare_variant): Add "omp declare variant base"
361 attribute rather than "omp declare variant".
363 2019-10-11 Marek Polacek <polacek@redhat.com>
365 PR c++/92049 - extra error with -fchecking=2.
366 * pt.c (build_non_dependent_expr): Call fold_non_dependent_expr
369 2019-10-11 Paolo Carlini <paolo.carlini@oracle.com>
371 * typeck.c (cp_build_binary_op): Do not handle RROTATE_EXPR and
373 * constexpr.c (cxx_eval_constant_expression): Likewise.
374 (potential_constant_expression_1): Likewise.
375 * pt.c (tsubst_copy): Likewise.
377 2019-10-11 Jason Merrill <jason@redhat.com>
379 * decl2.c (mark_used): Don't clobber DECL_SOURCE_LOCATION on
380 explicitly defaulted functions.
381 * method.c (synthesize_method): Likewise.
383 2019-10-11 Jakub Jelinek <jakub@redhat.com>
386 * decl2.c (grok_array_decl): For -fstrong-eval-order, when array ref
387 operands have been swapped and at least one operand has side-effects,
388 revert the swapping before calling build_array_ref.
389 * typeck.c (cp_build_array_ref): For non-ARRAY_TYPE array ref with
390 side-effects on the index operand, if -fstrong-eval-order use
391 save_expr around the array operand.
392 (cp_build_binary_op): For shifts with side-effects in the second
393 operand, wrap first operand into SAVE_EXPR and evaluate it before
395 * semantics.c (handle_omp_array_sections_1): Temporarily disable
396 flag_strong_eval_order during OMP_CLAUSE_REDUCTION array section
398 * cp-gimplify.c (gimplify_to_rvalue): New function.
399 (cp_gimplify_expr): Use it.
401 2019-10-10 Marek Polacek <polacek@redhat.com>
403 * typeck.c (comp_ptr_ttypes_real): Change the return type to bool.
404 Use false instead of 0.
406 2019-10-10 Jakub Jelinek <jakub@redhat.com>
408 * parser.h (struct cp_omp_declare_simd_data): Add variant_p member.
409 * parser.c (cp_ensure_no_omp_declare_simd): Handle both declare simd
411 (cp_parser_oacc_all_clauses): Formatting fix.
412 (cp_parser_omp_all_clauses): Add NESTED_P argument, if true, terminate
413 processing on closing paren and don't skip to end of pragma line.
414 (cp_parser_omp_declare_simd): Add VARIANT_P argument. Handle also
416 (omp_construct_selectors, omp_device_selectors,
417 omp_implementation_selectors, omp_user_selectors): New variables.
418 (cp_parser_omp_context_selector,
419 cp_parser_omp_context_selector_specification,
420 cp_finish_omp_declare_variant): New functions.
421 (cp_parser_late_parsing_omp_declare_simd): Handle also declare variant.
422 (cp_parser_omp_declare): Handle declare variant.
424 2019-10-09 Jason Merrill <jason@redhat.com>
426 * cp-tree.h (template_info_decl_check): Check ENABLE_TREE_CHECKING.
428 2019-10-09 Marek Polacek <polacek@redhat.com>
430 PR c++/91364 - P0388R4: Permit conversions to arrays of unknown bound.
431 PR c++/69531 - DR 1307: Differently bounded array parameters.
432 PR c++/88128 - DR 330: Qual convs and pointers to arrays of pointers.
433 * call.c (build_array_conv): Build ck_identity at the beginning
435 (standard_conversion): Pass bounds_none to comp_ptr_ttypes_const.
436 (maybe_warn_array_conv): New.
437 (convert_like_real): Call it. Add an error message about converting
438 from arrays of unknown bounds.
439 (conv_get_original_expr): New.
440 (nelts_initialized_by_list_init): New.
441 (conv_binds_to_array_of_unknown_bound): New.
442 (compare_ics): Implement list-initialization ranking based on
443 array sizes, as specified in DR 1307 and P0388R.
444 * cp-tree.h (comp_ptr_ttypes_const): Adjust declaration.
445 (compare_bounds_t): New enum.
446 * typeck.c (comp_array_types): New bool and compare_bounds_t
447 parameters. Use them.
448 (structural_comptypes): Adjust the call to comp_array_types.
449 (similar_type_p): Handle ARRAY_TYPE.
450 (build_const_cast_1): Pass bounds_none to comp_ptr_ttypes_const.
451 (comp_ptr_ttypes_real): Don't check cv-quals of ARRAY_TYPEs. Use
452 comp_array_types to compare array types. Look through arrays as per
454 (comp_ptr_ttypes_const): Use comp_array_types to compare array types.
455 Look through arrays as per DR 330.
457 2019-10-09 Marek Polacek <polacek@redhat.com>
459 PR c++/92032 - DR 1601: Promotion of enum with fixed underlying type.
460 * call.c (standard_conversion): When converting an enumeration with
461 a fixed underlying type to the underlying type, give it the cr_promotion
463 (compare_ics): Implement a tiebreaker as per CWG 1601.
465 2019-10-08 Andrew Sutton <asutton@lock3software.com>
466 Jason Merrill <jason@redhat.com>
468 Update the concepts implementation to conform to the C++20
469 specification, improve compile times, and generally clean up
471 * call.c (build_new_function_call): Don't evaluate concepts here.
472 (constraint_failure): Don't record the template.
473 (print_z_candidate): Don't extract the template.
474 * class.c (add_method): When overloading, hide ineligible special
476 (check_methods): Set TYPE_HAS_COMPLEX_* here.
477 * constexpr.c (cxx_eval_constant_expression): Evaluate concepts.
478 (maybe_initialize_fundef_copies_table): Remove.
479 (get_fundef_copy): Use hash_map_safe_get_or_insert.
480 (clear_cv_and_fold_caches): Clear the satisfaction cache.
481 * constraint.cc (known_non_bool_p): New.
482 (parsing_constraint_expression_sentinel): Renamed from
483 expanding_constraint_sentinel.
484 (check_constraint_operands): New.
485 (check_constraint_atom): New.
486 (finish_constraint_binary_op): New.
487 (finish_constraint_or_expr): Likewise.
488 (finish_constraint_and_expr): Likewise.
489 (finish_constraint_primary_expr): Likewise.
490 (combine_constraint_expressions): New.
491 (finish_requires_expr): Add location parm.
492 (get_concept_definition): Return the initializer of concept definitions.
493 (get_template_head_requirements): New.
494 (get_trailing_function_requirements): New.
495 (deduce_constrained_parameter): Check if the identifier or template-id
496 is a concept definition.
497 (resolve_concept_definition_check): Removed.
498 (resolve_variable_concept_check): Removed.
499 (resolve_concept_check): New.
500 (resolve_constraint_check): Handle concept definitions.
501 converting arguments.
502 (function_concept_check_p): Removed.
503 (variable_concept_check_p): Removed.
504 (unpack_concept_check): New.
505 (get_concept_check_template): New.
506 (build_call_check): Moved and renamed to build_function_check.
507 (build_concept_check_arguments): make static.
508 (build_function_check): Always do overload resolution
509 in order to force conversion of template arguments (i.e., actually
510 check that the use of a concept is valid).
511 (build_standard_check): Renamed from build_real_concept_check.
512 (build_real_concept_check): Build checks for C++2a concepts by
513 (build_wildcard_concept_check): New.
514 (build_concept_check): Use build_real_concept_check. New overload.
515 (build_constraints): Save expressions, not normalized constraints.
516 (build_concept_id): New. Pass tf_warning_or_error.
517 (build_type_constraint): New.
518 (finish_type_constraints): New.
519 (associate_classtype_constraints): Also add constraints to union
520 types. Note the original declaration in errors. Don't return
521 error_mark_node in order to avoid an assertion later.
522 (push_down_pack_expansion): Remove.
523 (finish_shorthand_constraint): Make fold expressions, not naked
524 parameter packs. Always apply the constraint to each template argument.
525 (check_introduction_list): New. Fail if not enough
526 names are introduced.
527 (finish_template_introduction): Don't normalize constraints. Pass
528 tsubst flags. Check for insufficient introductions.
529 (placeholder_extract_concept_and_args): Handle the template-id case.
530 Unpack function concept checks correctly.
531 (tsubst_simple_requirement): Return errors if they occur. Don't
532 process as a template.
533 (tsubst_type_requirement): Likewise.
534 (type_deducible_p): New. Wrap the input expression in parens for the
535 purpose of deduction.
536 (expression_convertible_t): New.
537 (tsubst_compound_requirement): Use new deduction, conversion predicates.
538 (tsubst_nested_requirement): Return errors if they occur. Don't
539 process as a template. Instantiate and evaluate the nested requirement.
540 (tsubst_valid_expression_requirement): New.
541 (tsubst_simple_requirement): Use tsubst_valid_expression_requirement.
542 (tsubst_compound_requirement): Use tsubst_valid_expression_requirement.
543 (check_constaint_variables): New.
544 (tsubst_constraint_variables): Check that type substitutions are valid.
545 (tsubst_requires_expr): Likewise. Produce new requires-exprs during
546 template substitution. Copy the previous local specialization stack,
547 so references to non-local parameters can be found. Use cp_unevaluated.
548 (tsubst_constraint): New. Don't evaluate concept checks.
550 (norm_info): New. Used to build a normalization tree for concept check
552 (debug_parameter_mapping): New.
553 (debug_argument_list): New.
554 (expand_concept): Removed.
555 (normalize_logical_operation): Pass subst_info through call.
556 (normalize_pack_expansion): Remove.
557 (normalize_simple_requirement): Removed
558 (normalize_type_requirement): Removed
559 (normalize_compound_requirement): Removed
560 (normalize_nested_requirement): Removed
561 (normalize_requirement): Removed
562 (normalize_requirements): Removed
563 (normalize_requires_expression): Removed
564 (normalize_variable_concept_check): Removed.
565 (normalize_function_concept_check): Removed.
566 (normalize_concept_check): Merged all normalize_*_check here.
567 Substitute through written template arguments before normalizing the
568 definition. Only substitute the innermost template arguments.
569 (check_for_logical_overloads): Delete.
570 (map_arguments): New. Associate template parameters with arguments.
571 (build_parameter_mapping): New. Extract used parameters.
572 (normalize_expression): Rewrite.
573 (normalize_conjunction): Removed
574 (normalize_disjunction): Removed
575 (normalize_predicate_constraint): Removed
576 (normalize_parameterized_constraint): Removed
577 (normalized_map): New variable.
578 (get_normalized_constraints): New entry point for normalization.
580 (get_normalized_constraints_from_info): New.
581 (get_normalized_constraints_from_decl): New. Turn on template processing
582 prior to normalization. Handle inheriting ctors. Build the
583 normalization arguments from the full set of template parameters of the
584 most general template. This guarantees that we have no concrete arguments
585 in the parameter mapping (e.g., from template members of class
586 templates). Cache normalizations.
587 (normalize_concept_definition): New. Cache normalizations.
588 (normalize_template_requirements): New.
589 (normalize_nontemplate_requirements): New.
590 (normalize_constraint_expression): New.
591 (tsubst_parameter_mapping): New.
592 (get_mapped_args): New.
593 (parameter_mapping_equivalent_p): New. Use template_args_equal.
594 (atomic_constraints_identical_p): New.
595 (hash_atomic_constraint): New.
596 (satisfying_constraint_p): New. Guard against recursive evaluation of
597 constraints during satisfaction.
598 (satisfy_conjunction): New.
599 (satisfy_disjunction): New.
600 (sat_entry): New class for hashing satisfaction results.
601 (sat_hasher): New hash traits.
603 (get_satisfaction): New. Returns cached satisfaction result.
604 (save_satisfaction): New. Caches a satisfaction result.
605 (clear_satisfaction_cache): New.
606 (satisfaction_cache): New. Helps manage satisfaction cache requests.
607 (decl_satisfied_cache): New.
609 (satisfy_constraint_r): New.
610 (satisfy_constraint): Use new satisfaction algorithm.
611 (evaluate_concept_check): New.
612 (evaluate_concept): Removed.
613 (evaluate_function_concept): Removed.
614 (evaluate_variable_concept): Removed.
615 (satisfy_constraint_expression): New.
616 (constraint_expression_satisfied_p): New.
617 (constraints_satisfied_p): Use strip_inheriting_ctors. Use
618 push_/pop_access_scope.
619 (more_constrained): Normalize before calling out to subsumption. Allow
620 classes as arguments.
621 (strictly_subsumes): Allow non-templates as arguments. Accept a new
623 (weakly_subsumes): New.
624 (at_least_as_constrained): Removed.
625 (diagnose_other_expression): Removed.
626 (diagnose_predicate_constraint): Removed.
627 (diagnose_pack_expansion): Removed.
628 (diagnose_check_constraint): Removed.
629 (diagnose_logical_constraint): Removed.
630 (diagnose_expression_constraint): Removed.
631 (diagnose_type_constraint): Removed.
632 (diagnose_implicit_conversion_constraint): Removed.
633 (diagnose_argument_deduction_constraint): Removed.
634 (diagnose_exception_constraint): Removed.
635 (diagnose_parameterized_constraint): Removed.
636 (diagnose_argument_deduction_constraint): Removed.
637 (diagnose_argument_deduction_constraint): Removed.
638 (diagnose_argument_deduction_constraint): Removed.
639 (diagnose_trait_expr): New.
640 (diagnose_requires_expr): New.
641 (diagnose_atomic_constraint): New.
642 (diagnose_valid_expression) Stop wrongly diagnosing valid expressions.
643 Don't substitute as if in template decls. This causes substitution
644 to generate expressions that aren't suitable for use with the noexcept
646 (diagnose_valid_type) Likewise.
647 (diagnose_compound_requirement) Actually emit diagnostics for
648 the causes of errors.Call force_paren_expr_uneval.
649 (diagnose_declaration_constraints): Turn on template processing to
650 suppress certain analyses.
651 * cp-objcp-common.c (cp_common_init_ts): Make concepts typed.
652 (cp_get_debug_type): Use hash_map_safe_*.
653 * cp-tree.h: New function declarations for semantic actions, other
654 facilities. Remove declaration no longer used or needed. Remove
655 unused _CONSTR macros.
656 (LANG_DECL_HAS_MIN): Add CONCEPT_DECL.
657 (template_info_decl_check): Factor macro check into an inline function.
658 (DECL_TEMPLATE_INFO): Use new check facility.
659 (finish_concept_definition): New. Don't invalid concept declarations
660 with invalid initializers.
661 (find_template_parameters): New.
662 (concept_definition_p): New.
663 (concept_check_p): New.
664 (variable_concept_check_p): New.
665 (force_paren_expr_uneval): New.
666 (ovl_iterator::using_p): A USING_DECL by itself was also
667 introduced by a using-declaration.
668 (struct tree_template_info): Use tree_base instead of
669 tree_common. Add tmpl and args fields.
670 (TI_TEMPLATE, TI_ARGS): Adjust.
671 (DECLTYPE_FOR_INIT_CAPTURE): Remove.
672 (CONSTR_CHECK, CONSTR_INFO, CONSTR_EXPR, CONSTR_CONTEXT): New.
673 (ATOMIC_CONSTR_MAP, TRAIT_EXPR_LOCATION): New.
674 (struct tree_trait_expr): Add locus field.
675 (enum tsubst_flags): Add tf_norm as a hint to generate normalization
676 context when diagnosing constraint failure.
677 * cp-tree.def: Remove unused _CONSTR nodes and rename PRED_CONSTR
680 * cxx-pretty-print.c: Remove constraint printing code.
681 (pp_cxx_concept_definition): New.
682 (pp_cxx_template_declaration): Print concept definitions.
683 (pp_cxx_check_constraint): Update printing for concept definitions.
684 (pp_cxx_nested_name_specifier): Fix a weird
685 case where we're printing '::::' for concepts.
686 (simple_type_specifier): Print requirements for placeholder types.
687 (pp_cxx_constrained_type_spec): Print the associated requirements of
689 (pp_cxx_compound_requirement): Add space before the '->'.
690 (pp_cxx_parameter_mapping): Print the parameter mapping.
691 (pp_cxx_atomic_constraint): Use the function above.
692 * decl.c (redeclaration_error_message): New error for concepts.
693 (grokdeclarator): Check for and disallow decltype(auto) in parameter
695 (grokfndecl): Don't normalize constraints. Add check for constraints
697 (grokvardecl): Don't normalize constraints.
698 (grok_special_member_properties): Don't set TYPE_HAS_COMPLEX_*.
699 (function_requirements_equivalent_p): New. Compare trailing
700 requires clauses. Compare combined constraints in pre-C++20 mode.
701 (decls_match): Compare trailing requires clauses. Compare template
702 heads for function templates. Remove old constraint comparison.
703 Simplify comparison of functions, function templates.
704 (duplicate_function_template_decls): New. Refactor a nasty if
705 condition into a single predicate.
706 (require_deduced_type): Don't complain if we already complained about
708 (finish_function): Perform auto deduction to ensure that constraints
709 are checked even when functions contain no return statements. Only do
710 auto deduction if we haven't previously seen any return statements.
711 This prevents multiple diagnostics of the same error.
712 (store_decomp_type): Remove.
713 (cp_finish_decomp): Use hash_map_safe_put.
714 * error.c: Remove constraint printing code.
715 (dump_decl): Dump concept definitions. Handle wildcard declarations.
716 (dump_template_decl): Likewise.
717 (dump_type): Print associated requirements for placeholder
719 (rebuild_concept_check): New.
720 (maybe_print_single_constraint_context): New.
721 (maybe_print_constraint_context): Recursively print nested contexts.
722 * init.c (get_nsdmi): Use hash_map_safe_*.
723 * lambda.c (maybe_add_lambda_conv_op): Bail if deduction failed.
724 (add_capture): Copy parameter packs from init.
725 (lambda_capture_field_type): Always use auto for init-capture.
726 * logic.cc: Completely rewrite.
727 (constraint_hash): New.
728 (clause/ctor): Save atoms in the hash table.
729 (replace): Save atoms during replacement.
730 (insert): Save atoms during insertion.
731 (contains): Only search the hash table for containment.
732 (clause): Keep a hash of atomic constraints.
733 (clause::clause): Explicitly copy the hash table when copying.
734 (disjunction_p, conjunction_p, atomic_p, dnf_size, cnf_size): New.
735 (diagnose_constraint_size): New.
736 (subsumes_constraints_nonnull): Compare the sizes of normalized formula
737 to determine the cheapest decomposition.
738 * name-lookup.c (diagnose_name_conflict): Diagnose name issues with
740 (matching_fn_p): Check constraints.
741 (push_class_level_binding_1): Move overloaded functions case down,
742 accept FUNCTION_DECL as target_decl.
743 * parser.c (enum required_token): New required token for auto.
744 (make_location): Add overload taking lexer as last parm.
745 (cp_parser_required_error): Diagnose missing auto.
746 (cp_parser_diagnose_ungrouped_constraint_plain): New.
747 (cp_parser_diagnose_ungrouped_constraint_plain): New.
748 (cp_parser_constraint_primary_expression): New. Tentatively parse the
749 primary expression. If that fails tentatively parse a lower
750 precedence expression in order to diagnose the error.
751 (cp_parser_check_non_logical_constraint): New. Performs a trial
752 parse of the right-hand-side of non-logical operators in order to
753 generate good diagnostics.
754 (cp_parser_constraint_logical_and_expression): New.
755 (cp_parser_constraint_logical_or_expression): New.
756 (cp_parser_requires_clause_expression): New.
757 (cp_parser_requires_clause): Renamed to cp_parser_constraint_expression.
758 (cp_parser_requires_clause_opt): Parse the requires-clause differently
759 in -fconcepts and -std=c++2a modes.
760 (cp_parser_requirement_list): Rename to cp_parser_requirement_seq.
761 Rewrite so that semicolons are parsed
762 along with requirements, not the sequence.
763 (cp_parser_simple_requirement): Expect a semicolon at end.
764 (cp_parser_compound_requirement): Expect a semicolon at end. Only
765 allow trailing-return-type with -fconcepts-ts.
766 (cp_parser_nested_requirement): Expect a semicolon at end. Parse
767 constraint-expressions.
768 (cp_parser_concept_definition): New. Don't fail parsing the concept
769 definition if the initializer is ill-formed. Don't declare the concept
770 before parsing the initializer.
771 (cp_parser_constraint_expression): Declare earlier.
772 (cp_parser_type_requirement): Current scope is not valid.
773 (cp_parser_requires_expression): Commit to the tentative parse.
774 (cp_parser_decl_specifier_seq): Warn when concept appears to be used
776 (cp_parser_template_declaration_after_parameters): Parse concept
778 (cp_parser_template_id): Don't try to resolve a concept template-id yet.
779 (cp_parser_template_id_expr): Resolve it as a concept check.
780 (cp_parser_decl_specifier_seq): Warn on 'concept bool'.
781 (cp_parser_type_parameter): Combine expressions not
783 (cp_parser_explicit_template_declaration): Combine expressions not
785 (cp_parser_maybe_concept_name): Removed.
786 (cp_parser_simple_type_specifier): Handle an error condition of
787 a bad constrained type specifier. Expect auto or decltype after
788 a concept name. Also handle the case where we have a template-id
790 (cp_parser_template_introduction): Diagnose errors on invalid
791 introductions. Give up if it doesn't start with a concept name.
792 Pedwarn if not -fconcepts-ts.
793 (synthesize_implicit_template_parm): Don't do consistent binding.
794 Use a new flag for constrained parameters. Combine expressions,
795 not constraints. Fail if we get a placeholder in block scope.
796 Placeholders that do not constrain types are not allowed in parameter
797 declarations, so don't handle them.
798 (cp_parser_placeholder_type_specifier): New. Implement parsing of
799 placeholder type specifiers following a concept name or partial
800 concept check. Disallow decltype(auto) parameters.
801 (cp_parser_nested_name_specifier_opt): If the token is already
802 CPP_NESTED_NAME_SPECIFIER, leave it alone.
803 (cp_parser_id_expression, cp_parser_unqualified_id): Call
804 cp_parser_template_id_expr.
805 (cp_parser_placeholder_type_specifier): Add tentative parm. Don't
806 expect a WILDCARD_DECL.
807 (cp_parser_trait_expr): Pass trait_loc down.
808 (cp_parser_postfix_expression): Do set location of dependent member
810 * pt.c (finish_concept_definition): New.
811 (push_template_decl_real): Handle concept definitions.
812 (start_concept_definition): Let push_template_decl_real handle the
813 creation of the template.
814 (get_constraints): Return null if the table hasn't been initialized.
815 (tsubst_copy_and_build): Build template-id expressions for concept
817 [TRAIT_EXPR]: Pass trait_loc down.
818 (lookup_template_class_1): Add the template name to the constraint
820 (lookup_and_finish_template_variable): Build concept checks
821 with the correct arguments.
822 (tsubst_function_decl): Don't substitute through constraints.
823 Always associate constraints with functions.
824 (template_parm_level_and_index): Make non-static.
825 (for_each_template_parm_r): Handle requires expressions.
826 (keep_template_parm): New.
827 (find_template_parameters): New.
828 (more_specialized_fn): Change how winners and losers are chosen.
829 (make_constrained_auto): Don't normalize constraints.
830 (template_parameters_equivalent_p): New. Compare template
831 parameters. Add a comparison for implicitly vs. explicitly declared
833 (template_parameter_lists_equivalent_p): New. Compare template
835 (template_requirements_equivalent_p): New.
836 (template_heads_equivalent_p): New. Compare template heads.
837 (template_parameter_constraints_equivalent_p): New.
838 (is_compatible_template_arg): Use weakly_subsumes.
839 (maybe_new_partial_specialization): Use new constraint comparison
840 for finding specializations.
841 (process_partial_specialization): Pass main template as argument.
842 (more_specialized_partial_spec): Don't immediately return when
844 (make_constrained_auto): Handle concept definitions.
845 (do_auto_deduction): Update auto deduction for new concept model.
846 Extract the function concept correctly; rename constr to check to
847 reflect the kind of node.
848 (tsubst): Adjust wildcard argument during substitution.
849 [DECLTYPE_TYPE]: Remove init-capture handling.
850 (tsubst_copy_and_build): Build concept checks, not template ids.
851 Defer checks of function concepts. Handle concepts before variable
852 templates. Handle calls to function concepts explicitly.
853 (coerce_template_parms): Use concept_definition_p. Handle a deduction
854 error where a potentially empty pack can be supplied after the last
855 parameter of a concept.
856 (finish_template_variable): Don't process concepts here.
857 (instantiation_dependent_r): Use concept_check_p.
858 (tsubst_template_args): Make non-static.
859 (make_constrained_placeholder_type): New. Refactored from
860 make_constrained_auto.
861 (make_constrained_auto) Use make_constrained_placeholder_type.
862 (make_constrained_decltype_auto) New.
863 (tsubst_function_parms): New.
864 (value_dependent_expression_p) [TEMPLATE_ID_EXPR]: Use
865 concept_definition_p.
866 (push_access_scope, pop_access_scope): No longer static.
867 (tsubst_template_parm): Substitute TEMPLATE_PARM_CONSTRAINTS.
868 (tsubst_friend_function): Use tsubst_constraint. Use generic_targs_for.
869 (get_underlying_template) Use generic_targs_for.
870 (uses_parameter_packs): Return tree.
871 (gen_elem_of_pack_expansion_instantiation): Don't push
872 local_specialization_stack.
873 (prepend_one_capture): New.
874 (tsubst_lambda_expr): Use prepend_one_capture. Don't touch
875 local_specializations.
876 (template_parms_level_to_args): No longer static.
877 (add_outermost_template_args): Likewise.
878 (find_template_parameter_info): New. Provide context for finding
880 (keep_template_parm): Don't keep parameters declared at depth levels
881 greater than those of the template parameters of the source declaration.
882 Don't propagate cv-qualified types. Return 0, so we find all template
883 parameters, not the just first.
884 (any_template_parm_r): New. Handle cases that are mishandled by
885 for_each_template_parm_r.
886 (generic_targs_for): Factor out of coerce_template_args_for_ttp.
887 (tsubst_argument_pack): Factor out of tsubst_template_args.
888 (constraint_sat_entry): Removed.
889 (constraint_sat_hasher): Removed.
890 (concept_spec_entry): Removed.
891 (concept_spec_hasher): Removed.
892 (constraint_memos): Removed.
893 (concept_memos): Removed.
894 (lookup_constraint_satisfaction): Removed.
895 (memoize_constraint_satisfaction): Removed.
896 (lookup_concept_satisfaction): Removed.
897 (memoize_concept_satisfaction): Removed.
898 (concept_expansions): Removed.
899 (get_concept_expansion): Removed.
900 (save_concept_expansion): Removed.
901 (init_constraint_processing): Remove initialization of non-existing
903 (find_template_requirement): New. Search for the sub-requirement
904 within the associated constraints.
905 (convert_generic_types_to_packs): Also transform the associated
906 constraint and update the current template requirements.
907 (store_defaulted_ttp, lookup_defaulted_ttp): Remove.
908 (add_defaults_to_ttp): Use hash_map_safe_*.
909 * semantics.c (finish_call_expr): Diagnose calls to concepts.
910 Handle concept checks explicitly.
911 (finish_id_expression): Evaluate variable concepts as part of
912 id-expression processing. Don't treat variable concepts as variables,
913 and don't process function concepts as plain id-expressions.
914 (force_paren_expr): Add even_uneval parm.
915 (finish_trait_expr): Add location parm.
916 * tree.c (special_memfn_p): New.
917 (cp_expr_location): Handle TRAIT_EXPR.
918 * typeck.c (check_return_expr): Actually use the diagnostic kind
919 when performing return-type deduction.
920 * typeck2.c (build_functional_cast): Don't rely on the location of
923 2019-10-09 Paolo Carlini <paolo.carlini@oracle.com>
925 * decl.c (grok_ctor_properties): Use DECL_SOURCE_LOCATION.
926 * typeck.c (cp_build_binary_op): Use the op_location_t argument
927 in many error messages.
929 2019-10-08 Martin Sebor <msebor@redhat.com>
932 * call.c (maybe_warn_class_memaccess): Handle arrays.
934 2019-10-07 Paolo Carlini <paolo.carlini@oracle.com>
936 * call.c (resolve_args): Use cp_expr_loc_or_input_loc in one place.
937 * decl.c (grokdeclarator): Use id_loc in one place.
938 * decl2.c (build_anon_union_vars): Use DECL_SOURCE_LOCATION.
939 * parser.c (cp_parser_delete_expression): Fix the location of the
941 (cp_parser_throw_expression): Likewise.
942 * pt.c (determine_specialization): Use DECL_SOURCE_LOCATION.
944 2019-10-05 Jakub Jelinek <jakub@redhat.com>
946 PR c++/91369 - Implement P0784R7: constexpr new
947 * cp-tree.h (enum cp_tree_index): Add CPTI_HEAP_UNINIT_IDENTIFIER,
948 CPTI_HEAP_IDENTIFIER and CPTI_HEAP_DELETED_IDENTIFIER.
949 (heap_uninit_identifier, heap_identifier, heap_deleted_identifier):
951 (type_has_constexpr_destructor, build_new_constexpr_heap_type,
952 cxx_constant_dtor): Declare.
953 * class.c (type_maybe_constexpr_default_constructor): Make static.
954 (type_maybe_constexpr_destructor, type_has_constexpr_destructor): New
956 (finalize_literal_type_property): For c++2a, don't clear
957 CLASSTYPE_LITERAL_P for types without trivial destructors unless they
958 have non-constexpr destructors.
959 (explain_non_literal_class): For c++2a, complain about non-constexpr
960 destructors rather than about non-trivial destructors.
961 * constexpr.c: Include stor-layout.h.
962 (struct constexpr_global_ctx): New type.
963 (struct constexpr_ctx): Add global field, remove values and
965 (cxx_replaceable_global_alloc_fn): New inline function.
966 (cxx_eval_call_expression): For c++2a allow calls to replaceable
967 global allocation functions, for new return address of a heap uninit
968 var, for delete record its deletion. Change ctx->values->{get,put} to
969 ctx->global->values.{get,put}.
970 (non_const_var_error): Add auto_diagnostic_group sentinel. Emit
971 special diagnostics for heap variables.
972 (cxx_eval_store_expression): Change ctx->values->{get,put} to
973 ctx->global->values.{get,put}.
974 (cxx_eval_loop_expr): Initialize jump_target if NULL. Change
975 new_ctx.values->remove to ctx->global->values.remove.
976 (cxx_eval_constant_expression): Change *ctx->constexpr_ops_count
977 to ctx->global->constexpr_ops_count. Change ctx->values->{get,put} to
978 ctx->global->values.{get,put}.
979 <case NOP_EXPR>: Formatting fix. On cast of replaceable global
980 allocation function to some pointer type, adjust the type of
981 the heap variable and change name from heap_uninit_identifier
983 (find_heap_var_refs): New function.
984 (cxx_eval_outermost_constant_expr): Add constexpr_dtor argument,
985 handle evaluation of constexpr dtors and add tracking of heap
986 variables. Use tf_no_cleanup for get_target_expr_with_sfinae.
987 (cxx_constant_value): Adjust cxx_eval_outermost_constant_expr caller.
988 (cxx_constant_dtor): New function.
989 (maybe_constant_value, fold_non_dependent_expr_template,
990 maybe_constant_init_1): Adjust cxx_eval_outermost_constant_expr
992 (potential_constant_expression_1): Ignore clobbers. Allow
993 COND_EXPR_IS_VEC_DELETE for c++2a.
994 * decl.c (initialize_predefined_identifiers): Add heap identifiers.
995 (decl_maybe_constant_destruction): New function.
996 (cp_finish_decl): Don't clear TREE_READONLY for constexpr variables
997 with non-trivial, but constexpr destructors.
998 (register_dtor_fn): For constexpr variables with constexpr non-trivial
999 destructors call cxx_maybe_build_cleanup instead of adding destructor
1001 (expand_static_init): For constexpr variables with constexpr
1002 non-trivial destructors call cxx_maybe_build_cleanup.
1003 (grokdeclarator): Allow constexpr destructors for c++2a. Formatting
1005 (cxx_maybe_build_cleanup): For constexpr variables with constexpr
1006 non-trivial destructors call cxx_constant_dtor instead of adding
1007 destructor calls at runtime.
1008 * init.c: Include stor-layout.h.
1009 (build_new_constexpr_heap_type, maybe_wrap_new_for_constexpr): New
1011 (build_new_1): For c++2a and new[], add cast around the alloc call
1012 to help constexpr evaluation figure out the type of the heap storage.
1013 (build_vec_delete_1): Set DECL_INITIAL of tbase and emit a DECL_EXPR
1014 for it instead of initializing an uninitialized variable.
1015 * method.c: Include intl.h.
1016 (SFK_CTOR_P, SFK_DTOR_P, SFK_ASSIGN_P, SFK_COPY_P, SFK_MOVE_P): Move
1017 definitions earlier.
1018 (process_subob_fn): Add sfk argument, adjust non-constexpr call
1019 diagnostics based on it.
1020 (walk_field_subobs): Formatting fixes. Adjust process_subob_fn caller.
1021 (synthesized_method_base_walk): Likewise.
1022 (synthesized_method_walk): Set *constexpr_p to true for dtors in c++2a.
1023 Fix up DR number in comment.
1024 (implicitly_declare_fn): Formatting fix.
1025 * typeck2.c (store_init_value): Don't call cp_fully_fold_init on
1026 initializers of automatic non-constexpr variables in constexpr
1029 2019-10-04 Jakub Jelinek <jakub@redhat.com>
1032 * constexpr.c (cxx_fold_indirect_ref_1): New function.
1033 (cxx_fold_indirect_ref): Use it.
1036 * cp-gimplify.c (cp_gimplify_expr) <case CALL_EXPR>: For
1037 -fstrong-eval-order ensure CALL_EXPR_FN side-effects are evaluated
1038 before any arguments. Additionally, ensure CALL_EXPR_FN that isn't
1039 invariant nor OBJ_TYPE_REF nor SSA_NAME is forced into a temporary.
1041 2019-10-03 Paolo Carlini <paolo.carlini@oracle.com>
1043 * init.c (build_new): Use cp_expr_loc_or_input_loc in two places.
1044 * name-lookup.c (do_pushdecl): Use DECL_SOURCE_LOCATION.
1045 (push_class_level_binding_1): Likewise.
1046 (set_decl_namespace): Likewise.
1048 2019-10-03 Jakub Jelinek <jakub@redhat.com>
1050 * constexpr.c (cxx_eval_constant_expression) <case CLEANUP_STMT>: If
1051 not skipping upon entry to body, run cleanup with the same *jump_target
1052 as it started to run the cleanup even if the body returns, breaks or
1054 (potential_constant_expression_1): Allow CLEANUP_STMT.
1056 * constexpr.c (cxx_eval_store_expression): Formatting fix. Handle
1057 const_object_being_modified with array type.
1059 2019-10-02 Jason Merrill <jason@redhat.com>
1061 * typeck2.c (store_init_value): Only clear_cv_and_fold_caches if the
1064 2019-09-30 Jason Merrill <jason@redhat.com>
1066 Use hash_map_safe_* functions.
1067 * constexpr.c (maybe_initialize_fundef_copies_table): Remove.
1068 (get_fundef_copy): Use hash_map_safe_get_or_insert.
1069 * cp-objcp-common.c (cp_get_debug_type): Use hash_map_safe_*.
1070 * decl.c (store_decomp_type): Remove.
1071 (cp_finish_decomp): Use hash_map_safe_put.
1072 * init.c (get_nsdmi): Use hash_map_safe_*.
1073 * pt.c (store_defaulted_ttp, lookup_defaulted_ttp): Remove.
1074 (add_defaults_to_ttp): Use hash_map_safe_*.
1076 2019-10-02 Richard Biener <rguenther@suse.de>
1079 * decl.c (build_ptrmemfunc_type): Mark pointer-to-member
1080 fat pointer structure members as DECL_NONADDRESSABLE_P.
1082 2019-09-28 Marek Polacek <polacek@redhat.com>
1084 PR c++/91889 - follow-up fix for DR 2352.
1085 * call.c (involves_qualification_conversion_p): New function.
1086 (direct_reference_binding): Build a ck_qual if the conversion
1087 would involve a qualification conversion.
1088 (convert_like_real): Strip the conversion created by the ck_qual
1089 in direct_reference_binding.
1091 PR c++/91921 - stray warning with -Woverloaded-virtual.
1092 * class.c (warn_hidden): Only emit the second part of
1093 -Woverloaded-virtual if the first part was issued. Use inform instead
1096 PR c++/91923 - failure-to-SFINAE with class type NTTP in C++17.
1097 * pt.c (invalid_nontype_parm_type_p): Only emit errors when
1100 2019-09-27 Jakub Jelinek <jakub@redhat.com>
1103 * parser.c (cp_parser_omp_var_list_no_open): Parse predefined
1105 * semantics.c (finish_omp_clauses): Allow predefined variables in
1106 shared and firstprivate clauses, even when they are predetermined
1108 * cp-gimplify.c (cxx_omp_predetermined_sharing_1): Return
1109 OMP_CLAUSE_DEFAULT_SHARED for predefined variables.
1111 2019-09-27 Jason Merrill <jason@redhat.com>
1113 * constexpr.c (cxx_fold_indirect_ref): Use similar_type_p.
1114 (cxx_eval_indirect_ref): Likewise. Improve error location.
1116 * cp-tree.h (class iloc_sentinel): New.
1117 * decl.c (grokdeclarator, finish_enum_value_list): Use it.
1118 * mangle.c (mangle_decl_string): Use it.
1119 * pt.c (perform_typedefs_access_check): Use it.
1121 2019-09-27 Richard Sandiford <richard.sandiford@arm.com>
1123 * cp-tree.h (build_cxx_call): Take the original function decl
1124 as an optional final parameter.
1125 (cp_build_function_call_vec): Likewise.
1126 * call.c (build_cxx_call): Likewise. Pass all built-in calls to
1127 check_builtin_function_arguments.
1128 * typeck.c (build_function_call_vec): Take the original function
1129 decl as an optional final parameter and pass it to
1130 cp_build_function_call_vec.
1131 (cp_build_function_call_vec): Take the original function
1132 decl as an optional final parameter and pass it to build_cxx_call.
1134 2019-09-25 Marek Polacek <polacek@redhat.com>
1136 PR c++/91877 - ICE with converting member of packed struct.
1137 * call.c (convert_like_real): Use similar_type_p in an assert.
1139 2019-09-25 Paolo Carlini <paolo.carlini@oracle.com>
1141 * name-lookup.c (check_extern_c_conflict): Use DECL_SOURCE_LOCATION.
1142 (check_local_shadow): Use it in three additional places.
1144 2019-09-24 Jason Merrill <jason@redhat.com>
1146 * parser.c (cp_parser_postfix_expression): Do set location of
1147 dependent member call.
1149 2019-09-24 Marek Polacek <polacek@redhat.com>
1151 PR c++/91868 - improve -Wshadow location.
1152 * name-lookup.c (check_local_shadow): Use DECL_SOURCE_LOCATION
1153 instead of input_location.
1155 PR c++/91845 - ICE with invalid pointer-to-member.
1156 * expr.c (mark_use): Use error_operand_p.
1157 * typeck2.c (build_m_component_ref): Check error_operand_p after
1158 calling mark_[lr]value_use.
1160 2019-09-23 Paolo Carlini <paolo.carlini@oracle.com>
1162 * pt.c (check_explicit_specialization): Use cp_expr_loc_or_input_loc.
1163 (process_partial_specialization): Likewise.
1164 (convert_nontype_argument_function): Likewise.
1165 (invalid_tparm_referent_p): Likewise.
1166 (convert_template_argument): Likewise.
1167 (check_valid_ptrmem_cst_expr): Tidy.
1169 2019-09-23 Jason Merrill <jason@redhat.com>
1171 PR c++/91809 - bit-field and ellipsis.
1172 * call.c (convert_arg_to_ellipsis): Don't call decay_conversion for
1173 arithmetic arguments.
1175 2019-09-23 Marek Polacek <polacek@redhat.com>
1177 PR c++/91844 - Implement CWG 2352, Similar types and reference binding.
1178 * call.c (reference_related_p): Use similar_type_p instead of
1180 (reference_compatible_p): Update implementation to match CWG 2352.
1181 * cp-tree.h (similar_type_p): Declare.
1182 * typeck.c (similar_type_p): New.
1184 2019-09-22 Marek Polacek <polacek@redhat.com>
1186 PR c++/91819 - ICE with operator++ and enum.
1187 * call.c (build_new_op_1): Set arg2_type.
1189 2019-09-17 Jason Merrill <jason@redhat.com>
1191 * parser.c (cp_parser_statement): Handle [[likely]] on
1194 2019-09-19 Jason Merrill <jason@redhat.com>
1197 * call.c (build_new_op_1): Don't apply any standard conversions to
1198 the operands of a built-in operator. Don't suppress conversions in
1200 * typeck.c (cp_build_unary_op): Do integral promotions for enums.
1202 2019-09-16 Paolo Carlini <paolo.carlini@oracle.com>
1204 * decl.c (grokdeclarator): Use declspecs->locations and
1205 declarator->id_loc in a few error messages.
1206 * pt.c (finish_member_template_decl): Use DECL_SOURCE_LOCATION.
1207 (push_template_decl_real): Likewise.
1209 2019-09-15 Jason Merrill <jason@redhat.com>
1211 PR c++/30277 - int-width bit-field promotion.
1212 PR c++/33819 - long bit-field promotion.
1213 * typeck.c (cp_perform_integral_promotions): Handle large bit-fields
1214 properly. Handle 32-bit non-int bit-fields properly.
1215 (is_bitfield_expr_with_lowered_type): Don't look through NOP_EXPR.
1217 PR c++/82165 - enum bitfields and operator overloading.
1218 * call.c (build_new_op_1): Use unlowered_expr_type.
1220 * call.c (build_new_op_1): Don't apply any standard conversions to
1221 the operands of a built-in operator. Don't suppress conversions in
1223 * typeck.c (cp_build_unary_op): Do integral promotions for enums.
1225 2019-09-15 Marek Polacek <polacek@redhat.com>
1227 PR c++/91740 - ICE with constexpr call and ?: in ARRAY_REF.
1228 * pt.c (build_non_dependent_expr): Call build_non_dependent_expr for
1231 2019-09-15 Nathan Sidwell <nathan@acm.org>
1233 * cp-tree.h (DECL_CLONED_FUNCTION_P): Reimplement using
1234 IDENTIFIER_CDTOR_P, correct documentation.
1235 (DECL_CLONED_FUNCTION): Directly access field.
1236 (decl_cloned_function_p): Delete.
1237 * class.c (decl_cloned_function_p): Delete.
1238 * pt.c (instantiate_template_1): Check DECL_CHAIN is a decl.
1240 2019-09-11 Nathan Sidwell <nathan@acm.org>
1242 * c-objcp-common.c (cp-objcp-common.c): Alphababetize and
1243 correctly mark all C++ nodes.
1244 * decl.c (cp_tree_node_structure): Alphabetize.
1246 2019-09-10 Marek Polacek <polacek@redhat.com>
1248 PR c++/91673 - ICE with noexcept in alias-declaration.
1249 * parser.c (CP_PARSER_FLAGS_DELAY_NOEXCEPT): New parser flag.
1250 (cp_parser_lambda_declarator_opt): Pass CP_PARSER_FLAGS_NONE to
1251 cp_parser_exception_specification_opt.
1252 (cp_parser_direct_declarator): Adjust a call to
1253 cp_parser_exception_specification_opt.
1254 (cp_parser_member_declaration): Pass CP_PARSER_FLAGS_DELAY_NOEXCEPT
1255 to cp_parser_declarator if not processing a friend or typedef
1257 (cp_parser_late_noexcept_specifier): Adjust a call to
1258 cp_parser_noexcept_specification_opt.
1259 (cp_parser_noexcept_specification_opt): New parameter for parser flags,
1260 drop the FRIEND_P parameter. Use the new parameter.
1261 (cp_parser_exception_specification_opt): Likewise.
1262 (cp_parser_transaction): Adjust a call to
1263 cp_parser_noexcept_specification_opt.
1264 (cp_parser_transaction_expression): Likewise.
1266 2019-09-10 Marek Polacek <polacek@redhat.com>
1268 PR c++/91705 - constexpr evaluation rejects ++/-- on floats.
1269 * constexpr.c (cxx_eval_increment_expression): Call fold_simple on
1272 2019-09-10 Paolo Carlini <paolo.carlini@oracle.com>
1274 * decl.c (has_designator_problem): Use cp_expr_loc_or_input_loc
1276 (build_enumerator): Likewise.
1277 (cp_finish_decl): Use DECL_SOURCE_LOCATION.
1278 (grokdeclarator): Use id_loc in two error_at; change errror
1279 message about constinit together constexpr to use two ranges.
1281 2019-09-09 Marek Polacek <polacek@redhat.com>
1283 PR c++/84374 - diagnose invalid uses of decltype(auto).
1284 * decl.c (grokdeclarator): Diagnose wrong usage of decltype(auto) in
1285 a function declaration.
1287 2019-09-06 Nathan Sidwell <nathan@acm.org>
1290 * cp-tree.h (IDENTIFIER_REPO_CHOSEN, DECL_REPO_AVAILABLE_P): Delete.
1291 (struct lang_decl_base): Remove repo_available_p.
1292 * decl.c (duplicate_decls): Don't copy DECL_REPO_AVAILABLE_P.
1294 (Reserve TREE_LANG_FLAG_3 for modules.
1295 * cp-tree.h (DECL_CONSTRUCTION_VTABLE_P): Delete.
1296 (DECL_NON_TRIVIALLY_INITIALIZED_P): Move to TREE_LANG_FLAG_6.
1297 * class.c (build_ctor_vtbl_group): Don't set
1298 DECL_CONSTRUCTION_VTABLE_P.
1299 * decl2.c (determine_visibility_from_class): Don't check
1300 DECL_CONSTRUCTION_VTABLE_P anymore.
1302 2019-09-06 Martin Liska <mliska@suse.cz>
1305 * Make-lang.in: Remove repo.o.
1306 * config-lang.in: Likewise.
1307 * cp-tree.h (init_repo): Remove declarations
1308 of repo-related functions.
1309 (repo_emit_p): Likewise.
1310 (repo_export_class_p): Likewise.
1311 (finish_repo): Likewise.
1312 * decl2.c (import_export_class): Always
1314 (mark_needed): Remove -frepo from comment.
1315 (import_export_decl): Similarly here.
1316 (c_parse_final_cleanups): Remove call of finish_repo.
1317 * lex.c (cxx_init): Remove call to init_repo.
1318 * optimize.c (can_alias_cdtor): Remove dead condition.
1319 * pt.c (push_template_decl_real): Update comment.
1320 (instantiate_decl): Remove dead code used for -frepo.
1323 2019-09-05 Marek Polacek <polacek@redhat.com>
1325 PR c++/91644 - ICE with constinit in function template.
1326 * decl.c (start_decl): Call retrofit_lang_decl for constinit variables.
1327 * pt.c (tsubst_expr): Pass LOOKUP_CONSTINIT down to cp_finish_decl for
1328 constinit variables.
1330 2019-09-05 Nathan Sidwell <nathan@acm.org>
1332 * cp-tree.h (DECL_VTABLE_OR_VTT_P): Forward to DECL_VIRTUAL_P.
1334 2019-09-04 Marek Polacek <polacek@redhat.com>
1336 * call.c (build_over_call): Remove -fdeduce-init-list implementation.
1337 * pt.c (unify): Likewise.
1339 2019-09-01 Marek Polacek <polacek@redhat.com>
1341 PR c++/91129 - wrong error with binary op in template argument.
1342 * typeck.c (warn_for_null_address): Use fold_for_warn instead of
1343 fold_non_dependent_expr.
1344 (cp_build_binary_op): Likewise.
1346 2019-08-30 Jason Merrill <jason@redhat.com>
1348 Add source location to TRAIT_EXPR.
1349 * cp-tree.h (TRAIT_EXPR_LOCATION): New.
1350 (struct tree_trait_expr): Add locus field.
1351 * parser.c (cp_parser_trait_expr): Pass trait_loc down.
1352 * pt.c (tsubst_copy_and_build) [TRAIT_EXPR]: Likewise.
1353 * semantics.c (finish_trait_expr): Add location parm.
1354 * tree.c (cp_expr_location): Handle TRAIT_EXPR.
1356 2019-08-29 Paolo Carlini <paolo.carlini@oracle.com>
1358 * decl.c (check_var_type): Add location_t parameter and use it.
1359 (grokdeclarator): Adjust call.
1360 * pt.c (tsubst_decl): Likewise.
1361 * cp-tree.h: Adjust declaration.
1363 2019-08-28 Marek Polacek <polacek@redhat.com>
1365 Implement P1152R4: Deprecating some uses of volatile.
1367 * cp-gimplify.c (cp_fold): Set TREE_THIS_VOLATILE.
1368 * decl.c (grokdeclarator): Warn about a volatile-qualified structured
1369 binding and return type.
1370 (grokparms): Warn about a volatile-qualified function parameter.
1371 * expr.c (mark_use) <case MODIFY_EXPR>: Emit a -Wvolatile warning.
1372 * typeck.c (cp_build_unary_op): Emit a -Wvolatile warning for pre and
1373 post ++/-- on a volatile operand.
1374 (genericize_compound_lvalue): Use a better location. Don't lose
1376 (cp_build_modify_expr): Emit a -Wvolatile warning for a compound
1377 assignment whose LHS is volatile-qualified. Build the assignment with
1378 a more precise location.
1380 2019-08-28 Marek Polacek <polacek@redhat.com>
1382 PR c++/91360 - Implement C++20 P1143R2: constinit.
1383 * cp-tree.h (TINFO_VAR_DECLARED_CONSTINIT): Define.
1384 (LOOKUP_CONSTINIT): Define.
1385 (enum cp_decl_spec): Add ds_constinit.
1386 * decl.c (check_tag_decl): Give an error for constinit in type
1388 (check_initializer): Also check LOOKUP_CONSTINIT.
1389 (cp_finish_decl): Add checking for a constinit declaration. Set
1390 TINFO_VAR_DECLARED_CONSTINIT.
1391 (grokdeclarator): Add checking for a declaration with the constinit
1393 * lex.c (init_reswords): Handle D_CXX20.
1394 * parser.c (cp_lexer_get_preprocessor_token): Pass a better location
1395 to warning_at. Warn about C++20 keywords.
1396 (cp_keyword_starts_decl_specifier_p): Handle RID_CONSTINIT.
1397 (cp_parser_diagnose_invalid_type_name): Add an inform about constinit.
1398 (cp_parser_decomposition_declaration): Maybe pass LOOKUP_CONSTINIT to
1400 (cp_parser_decl_specifier_seq): Handle RID_CONSTINIT.
1401 (cp_parser_init_declarator): Maybe pass LOOKUP_CONSTINIT to
1403 (set_and_check_decl_spec_loc): Add "constinit".
1404 * pt.c (tsubst_decl): Set TINFO_VAR_DECLARED_CONSTINIT.
1405 (instantiate_decl): Maybe pass LOOKUP_CONSTINIT to cp_finish_decl.
1406 * typeck2.c (store_init_value): If a constinit variable wasn't
1407 initialized using a constant initializer, give an error.
1409 2019-08-28 Nathan Sidwell <nathan@acm.org>
1412 * name-lookup.c (cp_emit_debug_info): Check for builtins during
1415 2019-08-27 Marek Polacek <polacek@redhat.com>
1417 PR c++/81676 - bogus -Wunused warnings in constexpr if.
1418 * semantics.c (maybe_mark_exp_read_r): New function.
1419 (finish_if_stmt): Call it on THEN_CLAUSE and ELSE_CLAUSE.
1421 PR c++/91428 - warn about std::is_constant_evaluated in if constexpr.
1422 * cp-tree.h (decl_in_std_namespace_p): Declare.
1423 * semantics.c (is_std_constant_evaluated_p): New.
1424 (finish_if_stmt_cond): Warn about "std::is_constant_evaluated ()" in
1426 * typeck.c (decl_in_std_namespace_p): No longer static.
1428 2019-08-26 Jason Merrill <jason@redhat.com>
1430 * decl.c (duplicate_decls): Always merge DECL_DECLARED_CONSTEXPR_P.
1432 2019-08-26 Marek Polacek <polacek@redhat.com>
1434 PR c++/91545 - ICE in constexpr store evaluation.
1435 * constexpr.c (cxx_eval_store_expression): Check FIELD_DECL instead
1438 2019-08-24 Nathan Sidwell <nathan@acm.org>
1440 * class.c (check_for_overrides): Conversion operators need
1443 2019-08-24 Paolo Carlini <paolo.carlini@oracle.com>
1445 * semantics.c (finish_switch_cond): Improve error message location.
1447 2019-08-23 Jason Merrill <jason@redhat.com>
1449 * decl2.c (decl_dependent_p): New.
1450 (mark_used): Check it instead of just processing_template_decl.
1452 2019-08-23 Jason Merrill <jason@redhat.com>
1454 * parser.c (cp_parser_nested_name_specifier_opt): Avoid redundant
1457 2019-08-23 Marek Polacek <polacek@redhat.com>
1459 PR c++/91521 - wrong error with operator->.
1460 * decl.c (grokdeclarator): Return error_mark_node for an invalid
1461 trailing return type.
1463 PR c++/79817 - attribute deprecated on namespace.
1464 * cp-tree.h (cp_warn_deprecated_use_scopes): Declare.
1465 * decl.c (grokdeclarator): Call cp_warn_deprecated_use_scopes.
1466 (type_is_deprecated): Likewise.
1467 * decl2.c (cp_warn_deprecated_use_scopes): New function.
1468 * name-lookup.c (handle_namespace_attrs): Handle attribute deprecated.
1469 * parser.c (cp_parser_namespace_alias_definition): Call
1470 cp_warn_deprecated_use_scopes.
1471 (cp_parser_using_declaration): Likewise.
1472 (cp_parser_using_directive): Likewise.
1473 * semantics.c (finish_id_expression_1): Likewise.
1475 2019-08-23 Nathan Sidwell <nathan@acm.org>
1477 * class.c (check_for_override): Checking IDENTIFIER_VIRTUAL_P is
1478 sufficient, reorder DECL_OVERRIDE_P check.
1480 2019-08-23 Iain Sandoe <iain@sandoe.co.uk>
1483 * parser.c (cp_parser_initial_pragma): Call c_common_no_more_pch ()
1484 after determining that the first token is not
1485 PRAGMA_GCC_PCH_PREPROCESS.
1487 2019-08-22 Marek Polacek <polacek@redhat.com>
1489 PR c++/91304 - prefix attributes ignored in condition.
1490 * parser.c (cp_parser_condition): Handle prefix attributes.
1492 2019-08-21 Richard Sandiford <richard.sandiford@arm.com>
1495 * decl.c (duplicate_decls): Call copy_attributes_to_builtin inside
1496 the BUILT_IN_NORMAL block rather than afterward.
1498 2019-08-19 Marek Polacek <polacek@redhat.com>
1500 PR c++/91264 - detect modifying const objects in constexpr.
1501 * constexpr.c (modifying_const_object_error): New function.
1502 (cxx_eval_call_expression): Set TREE_READONLY on a CONSTRUCTOR of
1503 a const-qualified object after it's been fully constructed.
1504 (modifying_const_object_p): New function.
1505 (cxx_eval_store_expression): Detect modifying a const object
1506 during constant expression evaluation.
1507 (cxx_eval_increment_expression): Use a better location when building
1509 (cxx_eval_constant_expression) <case DECL_EXPR>: Mark a constant
1510 object's constructor TREE_READONLY.
1512 2019-08-15 Jason Merrill <jason@redhat.com>
1514 PR c++/90393 - ICE with thow in ?:
1516 PR c++/64372, DR 1560 - Gratuitous lvalue-to-rvalue conversion in ?:
1517 * tree.c (lvalue_kind): Handle throw in one arm.
1518 * typeck.c (rationalize_conditional_expr): Likewise.
1519 (cp_build_modify_expr): Likewise.
1521 2019-08-14 Jason Merrill <jason@redhat.com>
1523 Implement P0848R3, Conditionally Trivial Special Member Functions.
1524 * tree.c (special_memfn_p): New.
1525 * class.c (add_method): When overloading, hide ineligible special
1527 (check_methods): Set TYPE_HAS_COMPLEX_* here.
1528 * decl.c (grok_special_member_properties): Not here.
1529 * name-lookup.c (push_class_level_binding_1): Move overloaded
1530 functions case down, accept FUNCTION_DECL as target_decl.
1532 2019-08-14 Jonathan Wakely <jwakely@redhat.com>
1535 * name-lookup.c (get_std_name_hint): Fix min_dialect field for
1536 complex_literals and make_unique entries.
1538 2019-08-14 Jakub Jelinek <jakub@redhat.com>
1539 Marek Polacek <polacek@redhat.com>
1541 PR c++/91391 - bogus -Wcomma-subscript warning.
1542 * parser.c (cp_parser_postfix_open_square_expression): Don't warn about
1543 a deprecated comma here. Pass warn_comma_subscript down to
1544 cp_parser_expression.
1545 (cp_parser_expression): New bool parameter. Warn about uses of a comma
1546 operator within a subscripting expression.
1547 (cp_parser_skip_to_closing_square_bracket): Revert to pre-r274121 state.
1548 (cp_parser_skip_to_closing_square_bracket_1): Remove.
1550 2019-08-14 Jonathan Wakely <jwakely@redhat.com>
1552 * name-lookup.c (get_std_name_hint): Add more entries.
1554 2019-08-14 Paolo Carlini <paolo.carlini@oracle.com>
1556 * decl2.c (grok_array_decl): Use the location of the open square
1557 bracket in error message about invalid types.
1559 2019-08-14 Paolo Carlini <paolo.carlini@oracle.com>
1561 * decl.c (grokdeclarator): Check here for typedef a function
1562 definition or a member function definition.
1563 (start_function): Adjust.
1564 (grokmethod): Likewise.
1566 2019-08-13 Richard Sandiford <richard.sandiford@arm.com>
1569 * decl.c (duplicate_decls): Use copy_decl_built_in_function.
1570 * pt.c (declare_integer_pack): Use set_decl_built_in_function.
1572 2019-08-13 Marek Polacek <polacek@redhat.com>
1574 PR c++/90473 - wrong code with nullptr in default argument.
1575 * call.c (null_ptr_cst_p): Update quote from the standard.
1576 * decl.c (check_default_argument): Don't return nullptr when the arg
1579 2019-08-13 Marek Polacek <polacek@redhat.com>
1581 * cp-tree.h (DECL_MUTABLE_P): Use FIELD_DECL_CHECK.
1583 2019-08-10 Jakub Jelinek <jakub@redhat.com>
1585 * parser.c (cp_parser_omp_clause_name): Parse device_type.
1586 (cp_parser_omp_clause_device_type): New function.
1587 (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_DEVICE_TYPE.
1588 (OMP_DECLARE_TARGET_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_DEVICE_TYPE.
1589 (cp_parser_omp_declare_target): Handle device_type clauses. Remove
1590 diagnostics for declare target with clauses nested in clause-less
1591 declare target declaration-definition-seq.
1592 * semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_DEVICE_TYPE.
1594 2019-08-09 Jakub Jelinek <jakub@redhat.com>
1596 * parser.c (check_no_duplicate_clause): Simplify using
1598 (cp_parser_omp_clause_if): Fix up printing of target {enter,exit} data
1599 directive name modifiers.
1602 * parser.c (cp_parser_omp_clause_dist_schedule): Comment out the
1603 check_no_duplicate_clause call, instead emit a warning for duplicate
1604 dist_schedule clauses.
1606 2019-08-08 Paolo Carlini <paolo.carlini@oracle.com>
1608 * decl.c (grokdeclarator): Use id_loc and EXPR_LOCATION in
1609 a few error messages.
1611 2019-08-08 Marek Polacek <polacek@redhat.com>
1613 PR c++/87519 - bogus warning with -Wsign-conversion.
1614 * typeck.c (cp_build_binary_op): Use same_type_p instead of comparing
1617 * constexpr.c (inline_asm_in_constexpr_error): New.
1618 (cxx_eval_constant_expression) <case ASM_EXPR>: Call it.
1619 (potential_constant_expression_1) <case ASM_EXPR>: Likewise.
1621 2019-08-08 Jakub Jelinek <jakub@redhat.com>
1623 * semantics.c (finish_omp_clauses): For C_ORT_OMP
1624 OMP_CLAUSE_USE_DEVICE_* clauses use oacc_reduction_head bitmap
1625 instead of generic_head to track duplicates.
1627 2019-08-07 Marek Polacek <polacek@redhat.com>
1629 PR c++/81429 - wrong parsing of constructor with C++11 attribute.
1630 * parser.c (cp_parser_constructor_declarator_p): Handle the scenario
1631 when a parameter declaration begins with [[attribute]].
1633 2019-08-07 Marek Polacek <polacek@redhat.com>
1635 PR c++/91346 - Implement P1668R1, allow unevaluated asm in constexpr.
1636 * constexpr.c (cxx_eval_constant_expression): Handle ASM_EXPR.
1637 (potential_constant_expression_1) <case ASM_EXPR>: Allow.
1638 * cp-tree.h (finish_asm_stmt): Adjust.
1639 * parser.c (cp_parser_asm_definition): Grab the locaion of "asm" and
1640 use it. Change an error to a pedwarn. Allow asm in C++2a, warn
1642 * pt.c (tsubst_expr): Pass a location down to finish_asm_stmt.
1643 * semantics.c (finish_asm_stmt): New location_t parameter. Use it.
1645 2019-08-07 Jakub Jelinek <jakub@redhat.com>
1647 * parser.c (cp_parser_omp_clause_name): Parse use_device_addr clause.
1648 (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_USE_DEVICE_ADDR.
1649 (OMP_TARGET_DATA_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_USE_DEVICE_ADDR.
1650 (cp_parser_omp_target_data): Handle PRAGMA_OMP_CLAUSE_USE_DEVICE_ADDR
1651 like PRAGMA_OMP_CLAUSE_USE_DEVICE_PTR, adjust diagnostics about no
1652 map or use_device_* clauses.
1653 * semantics.c (finish_omp_clauses): For OMP_CLAUSE_USE_DEVICE_PTR
1654 in OpenMP, require pointer or reference to pointer type rather than
1655 pointer or array or reference to pointer or array type. Handle
1656 OMP_CLAUSE_USE_DEVICE_ADDR.
1657 * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_USE_DEVICE_ADDR.
1659 2019-08-06 Jason Merrill <jason@redhat.com>
1661 PR c++/91378 - ICE with noexcept and auto return type.
1662 * pt.c (maybe_instantiate_noexcept): push_to_top_level.
1664 2019-08-06 Paolo Carlini <paolo.carlini@oracle.com>
1666 * decl.c (check_array_designated_initializer): Use
1667 cp_expr_loc_or_input_loc in one place.
1669 2019-08-06 Jakub Jelinek <jakub@redhat.com>
1671 * parser.c (cp_parser_omp_for_loop): For OMP_LOOP, ignore parallel
1672 clauses and predetermine iterator as lastprivate.
1673 * semantics.c (handle_omp_for_class_iterator): Use
1674 OMP_CLAUSE_LASTPRIVATE_LOOP_IV instead of
1675 OMP_CLAUSE_LASTPRIVATE_TASKLOOP_IV, set it for lastprivate also
1676 on OMP_LOOP construct. If a clause is missing for class iterator
1677 on OMP_LOOP, add firstprivate clause, and if there is private
1678 clause, turn it into firstprivate too.
1679 (finish_omp_for): Formatting fix. For OMP_LOOP, adjust
1680 OMP_CLAUSE_LASTPRIVATE_LOOP_IV clause CP_CLAUSE_INFO, so that it
1681 uses copy ctor instead of default ctor.
1682 * cp-gimplify.c (cp_gimplify_expr): Handle OMP_LOOP like
1684 (cp_fold_r): Likewise.
1685 (cp_genericize_r): Likewise.
1686 (cxx_omp_finish_clause): Also finish lastprivate clause with
1687 OMP_CLAUSE_LASTPRIVATE_LOOP_IV flag.
1688 * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_BIND.
1689 (tsubst_omp_for_iterator): For OMP_LOOP, ignore parallel
1690 clauses and predetermine iterator as lastprivate.
1691 * constexpr.c (potential_constant_expression_1): Handle OMP_LOOP
1692 like OMP_DISTRIBUTE etc.
1694 2019-08-05 Marek Polacek <polacek@redhat.com>
1696 DR 2413 - typename in conversion-function-ids.
1697 * parser.c (cp_parser_conversion_type_id): Call
1698 cp_parser_type_specifier_seq with CP_PARSER_FLAGS_TYPENAME_OPTIONAL
1699 instead of CP_PARSER_FLAGS_NONE.
1701 2019-08-05 Paolo Carlini <paolo.carlini@oracle.com>
1703 * cp-tree.h (cp_expr_loc_or_input_loc): New.
1704 (cxx_incomplete_type_diagnostic): Use it.
1705 * call.c (build_converted_constant_expr_internal, convert_like_real,
1706 convert_arg_to_ellipsis, convert_for_arg_passing, build_over_call,
1707 build_cxx_call, perform_implicit_conversion_flags,
1708 initialize_reference): Likewise.
1709 * constexpr.c (cxx_eval_internal_function, cxx_eval_call_expression,
1710 eval_and_check_array_index, cxx_eval_store_expression,
1711 cxx_eval_statement_list, cxx_eval_loop_expr,
1712 cxx_eval_constant_expression, potential_constant_expression_1):
1714 * constraint.cc (check_for_logical_overloads,
1715 satisfy_predicate_constraint): Likewise.
1716 * cp-gimplify.c (cp_gimplify_expr): Likewise.
1717 * cvt.c (cp_convert_to_pointer, convert_to_reference,
1718 cp_convert_and_check, ocp_convert, maybe_warn_nodiscard): Likewise.
1719 * decl.c (pop_switch): Likewise.
1720 * decl2.c (delete_sanity): Likewise.
1721 * error.c (location_of): Likewise.
1722 * init.c (maybe_warn_list_ctor, build_aggr_init,
1723 warn_placement_new_too_small, build_new_1, build_vec_init): Likewise.
1724 * lex.c (unqualified_name_lookup_error): Likewise.
1725 * parser.c (cp_parser_initializer_list, cp_parser_omp_for_cond):
1727 * pt.c (check_for_bare_parameter_packs, check_valid_ptrmem_cst_expr,
1728 unify_arg_conversion, convert_nontype_argument,
1729 tsubst_copy_and_build, resolve_typename_type): Likewise.
1730 * semantics.c (maybe_convert_cond, finish_call_expr,
1731 cp_build_vec_convert): Likewise.
1732 * typeck.c (decay_conversion, rationalize_conditional_expr,
1733 cp_build_unary_op, build_x_compound_expr_from_list,
1734 maybe_warn_about_returning_address_of_local,
1735 maybe_warn_pessimizing_move): Likewise.
1736 * typeck2.c (check_narrowing, digest_init_r,
1737 process_init_constructor_array): Likewise.
1739 2019-08-05 Tom Honermann <tom@honermann.net>
1741 * parser.c (cp_parser_template_declaration_after_parameters): Enable
1742 class template argument deduction for non-type template parameters
1743 in literal operator templates.
1745 2019-08-05 Marek Polacek <polacek@redhat.com>
1747 PR c++/91338 - Implement P1161R3: Deprecate a[b,c].
1748 * parser.c (cp_parser_postfix_open_square_expression): Warn about uses
1749 of a comma operator within a subscripting expression.
1750 (cp_parser_skip_to_closing_square_bracket_1): New function, made out
1752 (cp_parser_skip_to_closing_square_bracket): ...this.
1754 2019-08-05 Jason Merrill <jason@redhat.com>
1756 * semantics.c (force_paren_expr): Preserve location.
1758 2019-08-02 Marek Polacek <polacek@redhat.com>
1760 PR c++/91230 - wrong error with __PRETTY_FUNCTION__ and generic lambda.
1761 * pt.c (value_dependent_expression_p): Consider __PRETTY_FUNCTION__
1762 inside a template function value-dependent.
1764 2019-08-02 Paolo Carlini <paolo.carlini@oracle.com>
1766 * tree.c (handle_nodiscard_attribute): Do not warn about nodiscard
1767 applied to a constructor.
1769 2019-08-02 Martin Liska <mliska@suse.cz>
1771 * decl.c (grok_op_properties):
1772 Mark DECL_SET_IS_OPERATOR_DELETE for user-provided delete operators.
1774 2019-08-01 Martin Sebor <msebor@redhat.com>
1777 * decl.c (reshape_init_array_1): Avoid truncating initializer
1778 lists containing string literals.
1780 2019-08-01 Marek Polacek <polacek@redhat.com>
1782 PR c++/90805 - detect narrowing in case values.
1783 * decl.c (case_conversion): Detect narrowing in case values.
1785 2019-07-31 Paolo Carlini <paolo.carlini@oracle.com>
1787 * decl2.c (delete_sanity): Improve diagnostic locations, use
1788 cp_expr_loc_or_loc in four places.
1790 2019-07-31 Jason Merrill <jason@redhat.com>
1792 PR c++/90538 - multiple expansions of capture packs
1793 * cp-tree.h (DECLTYPE_FOR_INIT_CAPTURE): Remove.
1794 * lambda.c (add_capture): Copy parameter packs from init.
1795 (lambda_capture_field_type): Always use auto for init-capture.
1796 * pt.c (uses_parameter_packs): Return tree.
1797 (tsubst) [DECLTYPE_TYPE]: Remove init-capture handling.
1798 (gen_elem_of_pack_expansion_instantiation): Don't push
1799 local_specialization_stack.
1800 (prepend_one_capture): New.
1801 (tsubst_lambda_expr): Use it. Don't touch local_specializations.
1802 (do_auto_deduction): Avoid redundant error.
1804 Fix copy_node of TEMPLATE_INFO.
1805 * cp-tree.h (struct tree_template_info): Use tree_base instead of
1806 tree_common. Add tmpl and args fields.
1807 (TI_TEMPLATE, TI_ARGS): Adjust.
1809 2019-07-30 Martin Liska <mliska@suse.cz>
1811 PR tree-optimization/91270
1812 * tree-ssa-dce.c (propagate_necessity): Mark 2nd argument
1813 of delete operator as needed.
1815 2019-07-25 Martin Liska <mliska@suse.cz>
1816 Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
1819 * decl.c (cxx_init_decl_processing): Mark delete operators
1820 with DECL_SET_IS_OPERATOR_DELETE.
1822 2019-07-25 Martin Liska <mliska@suse.cz>
1824 * decl.c (duplicate_decls): Use new macros
1825 (e.g. DECL_SET_LAMBDA_FUNCTION and DECL_LAMBDA_FUNCTION_P).
1826 (cxx_init_decl_processing): Likewise.
1827 (grok_op_properties): Likewise.
1828 * parser.c (cp_parser_lambda_declarator_opt): Likewise.
1830 2019-07-24 Martin Sebor <msebor@redhat.com>
1833 * decl.c (finish_function): Use lang_mask.
1835 2019-07-20 Jason Merrill <jason@redhat.com>
1837 * cp-tree.h (ovl_iterator::using_p): A USING_DECL by itself was also
1838 introduced by a using-declaration.
1840 2019-07-20 Jason Merrill <jason@redhat.com>
1842 Reduce memory consumption for push/pop_access_scope.
1843 * name-lookup.c (leave_scope): Do add class levels other than
1844 previous_class_level to free_binding_level.
1845 (invalidate_class_lookup_cache): Move from class.c, add to
1847 * pt.c (saved_access_scope): Change from list to vec.
1849 2019-07-20 Jakub Jelinek <jakub@redhat.com>
1851 * cp-tree.h (OMP_FOR_GIMPLIFYING_P): Use OMP_LOOPING_CHECK
1852 instead of OMP_LOOP_CHECK.
1853 * parser.c (cp_parser_omp_clause_name): Handle bind clause.
1854 (cp_parser_omp_clause_bind): New function.
1855 (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_BIND.
1856 (OMP_LOOP_CLAUSE_MASK): Define.
1857 (cp_parser_omp_loop): New function.
1858 (cp_parser_omp_parallel, cp_parser_omp_teams): Handle parsing of
1859 loop combined with parallel or teams.
1860 (cp_parser_omp_construct): Handle PRAGMA_OMP_LOOP.
1861 (cp_parser_pragma): Likewise.
1862 * pt.c (tsubst_expr): Handle OMP_LOOP.
1863 * semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_BIND.
1865 2019-07-19 Jason Merrill <jason@redhat.com>
1867 PR c++/90101 - dependent class non-type parameter.
1868 * pt.c (invalid_nontype_parm_type_p): Check for dependent class type.
1870 2019-07-18 Jason Merrill <jason@redhat.com>
1872 PR c++/90098 - partial specialization and class non-type parms.
1875 * call.c (build_converted_constant_expr_internal): Don't copy.
1876 * pt.c (process_partial_specialization): Allow VIEW_CONVERT_EXPR
1877 around class non-type parameter.
1878 (unify) [TEMPLATE_PARM_INDEX]: Ignore cv-quals.
1880 2019-07-16 Jason Merrill <jason@redhat.com>
1882 * parser.c (make_location): Add overload taking cp_lexer* as last
1885 * parser.c (cp_parser_simple_type_specifier): Separate tentative
1886 parses for optional type-spec and CTAD.
1888 * parser.c (cp_parser_nested_name_specifier_opt): If the token is
1889 already CPP_NESTED_NAME_SPECIFIER, leave it alone.
1891 2019-07-12 Jakub Jelinek <jakub@redhat.com>
1893 * parser.c (cp_parser_omp_clause_name): Handle order clause.
1894 (cp_parser_omp_clause_order): New function.
1895 (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_ORDER.
1896 (OMP_SIMD_CLAUSE_MASK, OMP_FOR_CLAUSE_MASK): Add
1897 PRAGMA_OMP_CLAUSE_ORDER.
1898 * semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_ORDER.
1899 * pt.c (tsubst_omp_clauses): Likewise.
1901 2019-07-10 Paolo Carlini <paolo.carlini@oracle.com>
1903 * decl.c (get_type_quals,
1904 smallest_type_location (const cp_decl_specifier_seq*)): New.
1905 (check_tag_decl): Use smallest_type_location in error_at about
1906 multiple types in one declaration.
1907 (grokdeclarator): Use locations[ds_complex] in error_at about
1908 complex invalid; use locations[ds_storage_class] in error_at
1909 about static cdtor; use id_loc in error_at about flexible
1910 array member in union; use get_type_quals.
1912 2019-07-09 Martin Sebor <msebor@redhat.com>
1915 * cp-tree.h: Change class-key of PODs to struct and others to class.
1917 * semantics.c (finalize_nrv_r): Same.
1919 2019-07-09 Martin Sebor <msebor@redhat.com>
1922 * constexpr.c (cxx_eval_call_expression): Change class-key from class
1923 to struct and vice versa to match convention and avoid -Wclass-is-pod
1924 and -Wstruct-no-pod.
1925 * constraint.cc (get_concept_definition): Same.
1927 * cxx-pretty-print.h: Same.
1929 * logic.cc (term_list::replace): Same.
1930 * name-lookup.c (find_local_binding): Same.
1931 * pt.c (tsubst_binary_right_fold): Same.
1932 * search.c (field_accessor_p): Same.
1933 * semantics.c (expand_or_defer_fn): Same.
1935 2019-07-08 Jakub Jelinek <jakub@redhat.com>
1938 * decl2.c (cp_omp_mappable_type_1): Don't emit any note for
1939 error_mark_node type.
1941 2019-07-05 Jakub Jelinek <jakub@redhat.com>
1945 * call.c (build_new_method_call_1): Remove set but not used variable
1948 2019-07-05 Paolo Carlini <paolo.carlini@oracle.com>
1950 PR c++/67184 (again)
1952 * call.c (build_over_call): Devirtualize user-defined operators
1953 coming from a base too.
1954 (build_new_method_call_1): Do not devirtualize here.
1956 2019-07-04 Marek Polacek <polacek@redhat.com>
1959 PR c++/83374 - __is_standard_layout wrong for a class with repeated
1961 * class.c (check_bases): Set CLASSTYPE_NON_STD_LAYOUT for a class if
1962 CLASSTYPE_REPEATED_BASE_P is true.
1964 2019-07-04 Andrew Stubbs <ams@codesourcery.com>
1966 * cp-tree.h (cp_omp_emit_unmappable_type_notes): New prototype.
1967 * decl.c (cp_finish_decl): Call cp_omp_emit_unmappable_type_notes.
1968 * decl2.c (cp_omp_mappable_type): Move contents to ...
1969 (cp_omp_mappable_type_1): ... here and add note output.
1970 (cp_omp_emit_unmappable_type_notes): New function.
1971 * semantics.c (finish_omp_clauses): Call
1972 cp_omp_emit_unmappable_type_notes in four places.
1974 2019-07-03 Martin Liska <mliska@suse.cz>
1976 * call.c (build_new_op_1): Remove dead assignemts.
1977 * typeck.c (cp_build_binary_op): Likewise.
1979 2019-06-27 Jason Merrill <jason@redhat.com>
1981 PR c++/55442 - memory-hog with highly recursive constexpr.
1982 * constexpr.c (push_cx_call_context): Return depth.
1983 (cxx_eval_call_expression): Don't cache past constexpr_cache_depth.
1985 2019-06-27 Jan Hubicka <jh@suse.cz>
1987 * class.c (layout_class_type): Set TYPE_CXX_ODR_P for as-base
1990 2019-06-27 Martin Liska <mliska@suse.cz>
1992 * class.c (adjust_clone_args): Remove obviously
1994 (dump_class_hierarchy_r): Likewise.
1995 * decl.c (check_initializer): Likewise.
1996 * parser.c (cp_parser_lambda_expression): Likewise.
1997 * pt.c (unify_bound_ttp_args): Likewise.
1998 (convert_template_argument): Likewise.
1999 * rtti.c (build_headof): Likewise.
2000 * typeck.c (convert_for_initialization): Likewise.
2002 2019-06-25 Jason Merrill <jason@redhat.com>
2004 PR c++/70462 - unnecessary base ctor variant with final.
2005 * optimize.c (populate_clone_array): Skip base variant if
2007 (maybe_clone_body): We don't need an alias if we are only defining
2010 * class.c (resolves_to_fixed_type_p): Check CLASSTYPE_FINAL.
2012 2019-06-25 Jakub Jelinek <jakub@redhat.com>
2015 * constexpr.c (cxx_eval_array_reference): Don't look through VCE from
2016 vector type if lval.
2018 2019-06-25 Jozef Lawrynowicz <jozef.l@mittosystems.com>
2020 * lex.c (init_reswords): Create keyword for "__intN__" type.
2021 * cp-tree.h (cp_decl_specifier_seq): New bitfield "int_n_alt".
2022 * decl.c (grokdeclarator): Don't pedwarn about "__intN" ISO
2023 C incompatibility if alternate "__intN__" form is used.
2024 * parser.c (cp_parser_simple_type_specifier): Set
2025 decl_specs->int_n_alt if "__intN__" form is used.
2027 2019-06-24 Jan Hubicka <jh@suse.cz>
2029 * lex.c (cxx_make_type): Set TYPE_CXX_ODR_P.
2031 2019-06-24 Jason Merrill <jason@redhat.com>
2033 * class.c (layout_class_type): Don't use a separate
2034 CLASSTYPE_AS_BASE if it's the same size.
2036 2019-06-23 Marek Polacek <polacek@redhat.com>
2038 * call.c (convert_default_arg): Use DEFERRED_PARSE instead of
2040 * cp-objcp-common.c (cp_tree_size): Likewise. Use tree_deferred_parse
2041 instead of tree_default_arg.
2042 * cp-tree.def: Rename DEFAULT_ARG to DEFERRED_PARSE.
2043 * cp-tree.h: Rename DEFARG_TOKENS to DEFPARSE_TOKENS. Rename
2044 DEFARG_INSTANTIATIONS to DEFPARSE_INSTANTIATIONS. Rename
2045 tree_default_arg to tree_deferred_parse.
2046 (UNPARSED_NOEXCEPT_SPEC_P): Use DEFERRED_PARSE instead of DEFAULT_ARG.
2047 (cp_tree_node_structure_enum): Rename TS_CP_DEFAULT_ARG to
2048 TS_CP_DEFERRED_PARSE.
2049 (lang_tree_node): Rename tree_default_arg to tree_deferred_parse.
2050 Rename default_arg to deferred_parse. Use TS_CP_DEFERRED_PARSE instead
2051 of TS_CP_DEFAULT_ARG.
2052 (defarg_location): Remove declaration.
2053 (defparse_location): Add declaration.
2054 * decl.c (grokfndecl): Use DEFERRED_PARSE instead of DEFAULT_ARG.
2055 Call defparse_location instead of defarg_location.
2056 (check_default_argument): Use DEFERRED_PARSE instead of DEFAULT_ARG.
2057 (cp_tree_node_structure): Likewise. Use TS_CP_DEFERRED_PARSE instead
2058 of TS_CP_DEFAULT_ARG.
2059 * decl2.c (grokfield): Use DEFERRED_PARSE instead of DEFAULT_ARG.
2060 * error.c (dump_expr): Likewise.
2061 (location_of): Likewise.
2062 * init.c (get_nsdmi): Likewise.
2063 * parser.c (cp_parser_save_noexcept): Likewise. Use DEFPARSE_TOKENS
2064 instead of DEFARG_TOKENS.
2065 (cp_parser_late_noexcept_specifier): Likewise.
2066 (cp_parser_late_parse_one_default_arg): Use DEFPARSE_TOKENS instead
2068 (cp_parser_late_parsing_default_args): Use DEFERRED_PARSE instead of
2069 DEFAULT_ARG. Use DEFPARSE_INSTANTIATIONS instead of
2070 DEFARG_INSTANTIATIONS.
2071 (cp_parser_cache_defarg): Use DEFERRED_PARSE instead of DEFAULT_ARG.
2072 Use DEFPARSE_TOKENS instead of DEFARG_TOKENS. Use
2073 DEFPARSE_INSTANTIATIONS instead of DEFARG_INSTANTIATIONS.
2074 (defparse_location): Renamed from defarg_location.
2075 * pt.c (tsubst_default_argument): Use DEFERRED_PARSE instead of
2077 (tsubst_arg_types): Likewise.
2078 (dependent_type_p_r): Likewise.
2079 * tree.c (cp_tree_equal): Likewise.
2080 (cp_walk_subtrees): Likewise.
2081 * typeck.c (convert_arguments): Likewise.
2083 2019-06-22 Marek Polacek <polacek@redhat.com>
2085 PR c++/86476 - noexcept-specifier is a complete-class context.
2087 * cp-tree.def (DEFAULT_ARG): Update commentary.
2088 * cp-tree.h (UNPARSED_NOEXCEPT_SPEC_P): New macro.
2089 (tree_default_arg): Use tree_base instead of tree_common.
2090 (do_push_parm_decls, maybe_check_overriding_exception_spec): Declare.
2091 * decl.c (do_push_parm_decls): New function, broken out of...
2092 (store_parm_decls): ...here. Call it.
2093 * except.c (nothrow_spec_p): Accept DEFAULT_ARG in the assert.
2094 * parser.c (cp_parser_noexcept_specification_opt,
2095 cp_parser_late_noexcept_specifier, noexcept_override_late_checks):
2097 (unparsed_noexcepts): New macro.
2098 (push_unparsed_function_queues): Update initializer.
2099 (cp_parser_direct_declarator): Pass FRIEND_P to
2100 cp_parser_exception_specification_opt.
2101 (inject_parm_decls): New.
2102 (pop_injected_parms): New.
2103 (cp_parser_class_specifier_1): Implement delayed parsing of
2104 noexcept-specifiers.
2105 (cp_parser_save_noexcept): New.
2106 (cp_parser_late_noexcept_specifier): New.
2107 (noexcept_override_late_checks): New.
2108 (cp_parser_noexcept_specification_opt): Add FRIEND_P parameter. Call
2109 cp_parser_save_noexcept instead of the normal processing if needed.
2110 (cp_parser_exception_specification_opt): Add FRIEND_P parameter and
2111 pass it to cp_parser_noexcept_specification_opt.
2112 (cp_parser_save_member_function_body): Fix comment.
2113 (cp_parser_save_default_args): Maybe save the noexcept-specifier to
2115 (cp_parser_transaction): Update call to
2116 cp_parser_noexcept_specification_opt.
2117 (cp_parser_transaction_expression): Likewise.
2118 * parser.h (cp_unparsed_functions_entry): Add new field to carry
2119 a noexcept-specifier.
2120 * pt.c (dependent_type_p_r): Handle unparsed noexcept expression.
2121 * search.c (maybe_check_overriding_exception_spec): New function, broken
2123 (check_final_overrider): ...here. Call
2124 maybe_check_overriding_exception_spec.
2125 * tree.c (canonical_eh_spec): Handle UNPARSED_NOEXCEPT_SPEC_P.
2126 (cp_tree_equal): Handle DEFAULT_ARG.
2128 PR c++/90881 - bogus -Wunused-value in unevaluated context.
2129 * cvt.c (convert_to_void): Don't emit unused warnings in
2130 an unevaluated context.
2132 2019-06-22 Paolo Carlini <paolo.carlini@oracle.com>
2134 * decl.c (grokdeclarator): Use id_loc, typespec_loc, and
2135 locations[ds_storage_class] in a few additional places.
2137 2019-06-21 Paolo Carlini <paolo.carlini@oracle.com>
2141 2019-05-21 Paolo Carlini <paolo.carlini@oracle.com>
2145 * call.c (build_over_call): Devirtualize when the final overrider
2146 comes from the base.
2148 2019-06-21 Marek Polacek <polacek@redhat.com>
2150 PR c++/61490 - qualified-id in friend function definition.
2151 * decl.c (grokdeclarator): Diagnose qualified-id in friend function
2152 definition. Improve location for diagnostics of friend functions.
2154 PR c++/60223 - ICE with T{} in non-deduced context.
2155 * pt.c (unify): Allow COMPOUND_LITERAL_P in a non-deduced context.
2157 PR c++/64235 - missing syntax error with invalid alignas.
2158 * parser.c (cp_parser_std_attribute_spec): Commit to tentative parse
2159 if there's a missing close paren.
2161 PR c++/90490 - fix decltype issues in noexcept-specifier.
2162 * except.c (build_noexcept_spec): Call
2163 instantiate_non_dependent_expr_sfinae before
2164 build_converted_constant_expr instead of calling
2165 instantiate_non_dependent_expr after it. Add
2166 processing_template_decl_sentinel.
2168 2019-06-21 Jakub Jelinek <jakub@redhat.com>
2171 * semantics.c (finish_omp_clauses): Don't reject references to
2172 incomplete types if processing_template_decl.
2174 2019-06-19 Marek Polacek <polacek@redhat.com>
2176 PR c++/60364 - noreturn after first decl not diagnosed.
2177 * decl.c (duplicate_decls): Give an error when a function is
2178 declared [[noreturn]] after its first declaration.
2179 * parser.c (cp_parser_std_attribute): Don't treat C++11 noreturn
2180 attribute as equivalent to GNU's.
2181 * tree.c (std_attribute_table): Add noreturn.
2183 2019-06-19 Jakub Jelinek <jakub@redhat.com>
2185 * cp-gimplify.c (cp_genericize_r): Handle OMP_CLAUSE_{IN,EX}CLUSIVE
2186 like OMP_CLAUSE_SHARED.
2188 2019-06-18 Jason Merrill <jason@redhat.com>
2190 * constexpr.c (cxx_eval_store_expression): Delay target evaluation.
2192 2019-06-18 Jason Merrill <jason@redhat.com>
2194 * constexpr.c (eval_and_check_array_index): Split out from...
2195 (cxx_eval_array_reference): ...here.
2196 (cxx_eval_store_expression): Use it here, too.
2197 (diag_array_subscript): Take location. Strip location wrapper.
2199 2019-06-18 Jason Merrill <jason@redhat.com>
2201 * constexpr.c (cxx_eval_constant_expression): Handle conversion from
2202 and then to the same type.
2204 2019-06-18 Jason Merrill <jason@redhat.com>
2206 * constexpr.c (unshare_constructor): Add MEM_STAT_DECL.
2208 2019-06-17 Jakub Jelinek <jakub@redhat.com>
2210 * semantics.c (finish_omp_clauses): For OMP_CLAUSE_REDUCTION_INSCAN
2211 set need_copy_assignment.
2213 2019-06-17 Marek Polacek <polacek@redhat.com>
2215 PR c++/83820 - excessive attribute arguments not detected.
2216 * parser.c (cp_parser_std_attribute): Detect excessive arguments.
2218 2019-06-17 Nathan Sidwell <nathan@acm.org>
2221 * name-lookup.c (lookup_type_scope_1): Calll qualify_lookup before
2224 2019-06-14 Marek Polacek <polacek@redhat.com>
2226 PR c++/90884 - stray note with -Wctor-dtor-privacy.
2227 * class.c (maybe_warn_about_overly_private_class): Guard the call to
2230 2019-06-12 Jason Merrill <jason@redhat.com>
2232 PR c++/85552 - wrong instantiation of dtor for DMI.
2233 * typeck2.c (digest_nsdmi_init): Set tf_no_cleanup for direct-init.
2235 2019-06-13 Paolo Carlini <paolo.carlini@oracle.com>
2237 * decl.c (grokdeclarator): Use id_loc in five additional places
2238 in the last part of the function.
2240 2019-06-13 Paolo Carlini <paolo.carlini@oracle.com>
2242 * decl.c (grokdeclarator): Move further up the declaration of
2243 id_loc, use it immediately, update its value after the loop
2244 over declarator, use it again in the final part of function;
2245 improve locations of error messages about multiple data types
2246 and conflicting specifiers.
2248 2019-06-13 Richard Biener <rguenther@suse.de>
2251 * typeck2.c (split_nonconstant_init_1): Properly count
2252 num_split_elts, optimize single constructor elt removal.
2254 2019-06-12 Marek Polacek <polacek@redhat.com>
2256 PR c++/66999 - 'this' captured by reference.
2257 * parser.c (cp_parser_lambda_introducer): Reject `&this'. Use
2258 cp_lexer_nth_token_is instead of cp_lexer_peek_nth_token.
2260 PR c++/90825 - endless recursion when evaluating sizeof.
2261 PR c++/90832 - endless recursion when evaluating sizeof.
2262 * constexpr.c (cxx_eval_constant_expression): Don't recurse on the
2263 result of fold_sizeof_expr if is returns a SIZEOF_EXPR.
2264 * typeck.c (cxx_sizeof_expr): Only return a SIZEOF_EXPR if the operand
2265 is instantiation-dependent.
2267 PR c++/90736 - bogus error with alignof.
2268 * constexpr.c (adjust_temp_type): Use cv_unqualified type.
2270 2019-06-11 Matthew Beliveau <mbelivea@redhat.com>
2272 PR c++/90449 - add -Winaccessible-base option.
2273 * class.c (warn_about_ambiguous_bases): Changed name to:
2274 maybe_warn_about_inaccessible_bases.
2275 (maybe_warn_about_inaccessible_bases): Implemented new
2276 Winaccessible-base warning option for both direct and virtual
2278 (layout_class_type): Call to warn_about_ambiguous_bases changed to fit
2281 2019-06-11 Richard Biener <rguenther@suse.de>
2284 * typeck2.c (split_nonconstant_init_1): Avoid ordered remove
2285 from CONSTRUCTOR by marking to remove elements and doing all
2286 of them in a O(n) scan.
2288 2019-06-11 Jakub Jelinek <jakub@redhat.com>
2291 * init.c (constant_value_1): Handle VECTOR_CST DECL_INITIAL for
2292 !DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P decls like CONSTRUCTOR.
2294 2019-06-11 Martin Liska <mliska@suse.cz>
2297 * pt.c (init_template_processing): Disable hash table
2298 sanitization for decl_specializations and type_specializations.
2300 2019-06-10 Jason Merrill <jason@redhat.com>
2302 * constexpr.c (free_constructor): New.
2303 (cxx_eval_call_expression): Free parameter value CONSTRUCTORs.
2305 * constexpr.c (unshare_constructor): Only unshare if T is itself a
2307 (cxx_eval_call_expression): Don't call it on the result here.
2309 Reduce constexpr_call memory consumption.
2310 * constexpr.c (cxx_bind_parameters_in_call): Use TREE_VEC rather
2312 (constexpr_call_hasher::equal, cxx_bind_parameters_in_call)
2313 (cxx_eval_call_expression): Adjust.
2315 2019-06-10 Jakub Jelinek <jakub@redhat.com>
2317 * parser.c (cp_parser_omp_clause_reduction): Don't sorry_at on inscan
2319 (cp_parser_omp_scan_loop_body): New function.
2320 (cp_parser_omp_for_loop): Call cp_parser_omp_scan_loop_body if there
2321 are inscan reduction clauses.
2322 (cp_parser_pragma): Reject PRAGMA_OMP_SCAN.
2323 * semantics.c (finish_omp_clauses): Reject mixing inscan with
2324 non-inscan reductions on the same construct, or inscan reductions with
2325 ordered or schedule clauses, or inscan array reductions.
2326 * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
2327 (tsubst_expr): Handle OMP_SCAN.
2329 2019-06-07 Jason Merrill <jason@redhat.com>
2331 * constexpr.c (cxx_eval_constant_expression): Call
2332 STRIP_ANY_LOCATION_WRAPPER early.
2333 [CONVERT_EXPR]: Don't build anything for conversion to void.
2334 [ADDR_EXPR]: ggc_free unused ADDR_EXPR.
2336 2019-06-05 Martin Sebor <msebor@redhat.com>
2339 * typeck.c (maybe_warn_about_returning_address_of_local): Only
2340 consider functions returning pointers as candidates for
2341 -Wreturn-local-addr.
2343 2019-06-05 Paolo Carlini <paolo.carlini@oracle.com>
2345 * decl.c (smallest_type_location): New.
2346 (check_special_function_return_type): Use it.
2347 (grokdeclarator): Lkewise.
2349 2019-06-05 Paolo Carlini <paolo.carlini@oracle.com>
2351 * decl.c (grokdeclarator): Use locations[ds_friend]
2354 2019-06-05 Martin Sebor <msebor@redhat.com>
2356 * call.c (build_conditional_expr_1): Adjust quoting and hyphenation.
2357 (convert_like_real): Same.
2358 (convert_arg_to_ellipsis): Same.
2359 * constexpr.c (diag_array_subscript): Same.
2360 * constraint.cc (diagnose_trait_expression): Same.
2361 * cvt.c (ocp_convert): Same.
2362 * decl.c (start_decl): Same.
2363 (check_for_uninitialized_const_var): Same.
2365 (check_special_function_return_type): Same.
2366 (finish_enum_value_list): Same.
2367 (start_preparsed_function): Same.
2368 * parser.c (cp_parser_decl_specifier_seq): Same.
2369 * typeck.c (cp_build_binary_op): Same.
2370 (build_static_cast_1): Same.
2372 2019-06-04 Nina Dinka Ranns <dinka.ranns@gmail.com>
2374 PR c++/63149 - Wrong auto deduction from braced-init-list.
2375 * pt.c (listify_autos): use non cv qualified auto_node in
2376 std::initializer_list<auto>.
2378 2019-06-04 Paolo Carlini <paolo.carlini@oracle.com>
2380 * decl.c (grokdeclarator): Use declarator->id_loc in two
2383 2019-06-04 Nathan Sidwell <nathan@acm.org>
2385 * name-lookup.c (lookup_type_scope_1): Reimplement, handle local
2386 and namespace scopes separately.
2388 2019-06-04 Harald van Dijk <harald@gigawatt.nl>
2390 PR c++/60531 - Wrong error about unresolved overloaded function
2391 * typeck.c (cp_build_binary_op): See if overload can be resolved.
2392 (cp_build_unary_op): Ditto.
2394 2019-06-04 Jason Merrill <jason@redhat.com>
2396 Reduce accumulated garbage in constexpr evaluation.
2397 * constexpr.c (cxx_eval_call_expression): ggc_free any bindings we
2399 (cxx_eval_increment_expression): ggc_free the MODIFY_EXPR after
2402 2019-06-04 Jakub Jelinek <jakub@redhat.com>
2404 * cp-tree.h (CP_OMP_CLAUSE_INFO): Allow for any clauses up to _condvar_
2405 instead of only up to linear.
2407 2019-06-03 Paolo Carlini <paolo.carlini@oracle.com>
2409 * parser.c (cp_parser_unqualified_id): Use build_min_nt_loc in
2412 2019-06-01 Ville Voutilainen <ville.voutilainen@gmail.com>
2415 * class.c (fixup_type_variants): Handle CLASSTYPE_FINAL.
2417 2019-05-31 Nathan Sidwell <nathan@acm.org>
2419 * cp-tree.h (IDENTIFIER_LAMBDA_P): New.
2421 (LAMBDA_TYPE_P, TYPE_UNNAMED_P): Likewise.
2422 (LAMBDANAME_PREFIX, LAMBDANAME_FORMAT): Delete.
2423 (make_lambda_name): Don't declare.
2424 * error.c (dump_aggr_type): Check for lambdas before other
2426 * lambda.c (begin_lambda_type): Use make_anon_name.
2427 * cp-lang.c (cxx_dwarf_name): Lambda names smell anonymous.
2428 * mangle.c (write_local_name): Likewise.
2429 * name-lookup.c (lambda_cnt, make_lambda_name): Delete.
2431 2019-05-30 Marek Polacek <polacek@redhat.com>
2433 * cp-tree.h (TYPE_HAS_NONTRIVIAL_DESTRUCTOR): Fix a typo.
2435 2019-05-31 Paolo Carlini <paolo.carlini@oracle.com>
2437 * decl.c (grokdeclarator): Use declarator->id_loc in five
2440 2019-05-29 Jakub Jelinek <jakub@redhat.com>
2443 * tree.c (lvalue_kind): Return clk_none for expressions with
2446 2019-05-29 Paolo Carlini <paolo.carlini@oracle.com>
2449 * parser.c (cp_parser_sizeof_operand): When the type-id production
2450 did not work out commit to the tentative parse.
2452 2019-05-29 Jakub Jelinek <jakub@redhat.com>
2454 P1091R3 - Extending structured bindings to be more like var decls
2455 P1381R1 - Reference capture of structured bindings
2456 * decl.c (cp_maybe_mangle_decomp): Handle TREE_STATIC decls even at
2458 (cp_finish_decomp): Copy over various decl properties from decl to
2459 v[i] in the tuple case.
2460 (grokdeclarator): Allow static, thread_local and __thread for C++2a
2461 and use pedwarn instead of error for older standard revisions.
2462 Make other structured binding diagnostic messages more i18n friendly.
2464 2019-05-28 Nathan Sidwell <nathan@acm.org>
2466 * decl.c (duplicate_decls): Assert a template newdecl has no
2469 2019-05-28 Marek Polacek <polacek@redhat.com>
2471 PR c++/90548 - ICE with generic lambda and empty pack.
2472 * pt.c (tsubst_copy_and_build): Handle pack expansion properly.
2474 2019-05-28 Nathan Sidwell <nathan@acm.org>
2476 * cp-tree.h (make_anon_name): Drop declaration.
2477 (TYPE_UNNAMED_P): Use IDENTIFIER_ANON_P.
2478 * cp-lang.c (cxx_dwarf_name): Likewise.
2479 * class.c (find_flexarrays): Likewise.
2480 * decl.c (name_unnamed_type, xref_tag_1): Likewise.
2481 * error.c (dump_aggr_type): Likewise.
2482 * pt.c (push_template_decl_real): Likewise.
2483 * name-lookup.c (consider_binding_level): Likewise.
2484 (anon_cnt, make_anon_name): Delete.
2486 2019-05-25 Marek Polacek <polacek@redhat.com>
2488 PR c++/90572 - wrong disambiguation in friend declaration.
2489 * parser.c (cp_parser_constructor_declarator_p): Don't allow missing
2490 typename for friend declarations.
2492 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2494 * cp-tree.h (CP_AGGREGATE_TYPE_P): Fix whitespace.
2496 * init.c (std_placement_new_fn_p): Remove outdated TODO comment that
2497 was resolved by r254694.
2499 2019-05-22 Jason Merrill <jason@redhat.com>
2501 PR c++/20408 - unnecessary code for empty struct.
2502 * call.c (build_call_a): Use simple_empty_class_p.
2504 PR c++/86485 - -Wmaybe-unused with empty class ?:
2505 * cp-gimplify.c (simple_empty_class_p): Also true for MODIFY_EXPR.
2507 2019-05-21 Paolo Carlini <paolo.carlini@oracle.com>
2509 * parser.c (cp_parser_template_declaration_after_parameters): Use
2510 DECL_SOURCE_LOCATION in literal operator template errors.
2512 2019-05-21 Paolo Carlini <paolo.carlini@oracle.com>
2516 * call.c (build_over_call): Devirtualize when the final overrider
2517 comes from the base.
2519 2019-05-21 Nathan Sidwell <nathan@acm.org>
2521 * name-lookup.c (do_nonmember_using_decl): Drop INSERT_P
2522 parameter. Document.
2523 (finish_nonmember_using_decl): Adjust do_nonmember_using_decl
2524 calls. Remove stray FIXME comment.
2526 * name-lookup.h (struct cp_binding_level): Drop usings field.
2527 (finish_namespace_using_decl, finish_local_using_decl): Replace with ...
2528 (finish_nonmember_using_decl): ... this.
2529 * name-lookup.c (push_using_decl_1, push_using_decl):
2530 (do_nonmember_using_decl): ... here. Add INSERT_P arg. Reimplement.
2531 (validate_nonmember_using_decl, finish_namespace_using_decl)
2532 (finish_local_using_decl): Replace with ...
2533 (finish_nonmember_using_decl): ... this. Drop DECL parm.
2534 * parser.c (cp_parser_using_declaration): Don't do lookup here.
2535 * pt.c (tsubst_expr): Do not do using decl lookup here.
2537 2019-05-21 Eric Botcazou <ebotcazou@adacore.com>
2539 * decl2.c (cpp_check) <IS_ASSIGNMENT_OPERATOR>: New case.
2541 2019-05-20 Marek Polacek <polacek@redhat.com>
2543 CWG 2094 - volatile scalars are trivially copyable.
2545 * tree.c (trivially_copyable_p): Don't check CP_TYPE_VOLATILE_P for
2548 2019-05-20 Marek Polacek <polacek@redhat.com>
2550 * pt.c (convert_template_argument): Add a diagnostic for the
2551 [temp.arg]/2 ambiguity case.
2553 * name-lookup.c (finish_using_directive): Don't issue inform() if the
2554 warning didn't trigger. Add quoting. Tweak the inform message.
2556 2019-05-20 Paolo Carlini <paolo.carlini@oracle.com>
2558 * cp-tree.h: Remove remnants of CONV_NONCONVERTING.
2560 2019-05-20 Nathan Sidwell <nathan@acm.org>
2562 * name-lookup.c (finish_namespace_using_directive)
2563 (finish_local_using_directive): Merge to ...
2564 (finish_using_directive): ... here. Handle both contexts.
2565 * name-lookup.h (finish_namespace_using_directive)
2566 (finish_local_using_directive): Replace with ...
2567 (finish_using_directive): ... this.
2568 * parser.c (cp_parser_using_directive): Adjust.
2569 * pt.c (tsubst_expr): Likewise.
2571 * cp-tree.h (struct lang_decl_ns): Remove usings field.
2572 (DECL_NAMESPACE_USING): Delete.
2573 * name-lookup.c (name_lookup::search_usings): Use namespace's
2575 (name_lookup::queue_namespae): Likewise.
2576 (finish_namespace_using_directive, push_namespace): Likewise.
2577 (has_using_namespace_std_directive): Just search the entire
2580 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2582 PR c++/90532 Ensure __is_constructible(T[]) is false
2583 * method.c (is_xible_helper): Return error_mark_node for construction
2584 of an array of unknown bound.
2586 2019-05-17 Thomas Schwinge <thomas@codesourcery.com>
2589 * parser.c (cp_finalize_oacc_routine): Rework checking if already
2590 marked with an OpenACC 'routine' directive.
2593 * parser.c (cp_parser_oacc_routine)
2594 (cp_parser_late_parsing_oacc_routine): Normalize order of clauses.
2595 (cp_finalize_oacc_routine): Call oacc_verify_routine_clauses.
2598 * parser.c (cp_finalize_oacc_routine): Refer to OpenACC 'routine'
2599 clauses from "omp declare target" attribute.
2601 2019-05-16 Martin Sebor <msebor@redhat.com>
2603 * call.c (print_z_candidate): Wrap diagnostic text in a gettext
2605 (print_z_candidates): Same.
2606 (build_conditional_expr_1): Quote keywords, operators, and types
2608 (build_op_delete_call): Same.
2609 (maybe_print_user_conv_context): Wrap diagnostic text in a gettext
2611 (convert_like_real): Same.
2612 (convert_arg_to_ellipsis): Quote keywords, operators, and types
2614 (build_over_call): Same.
2615 (joust): Break up an overlong line. Wrap diagnostic text in a gettext
2617 * constexpr.c (cxx_eval_check_shift_p): Spell out >= in English.
2618 (cxx_eval_constant_expression): Quote keywords, operators, and types
2620 (potential_constant_expression_1): Same.
2621 * cp-gimplify.c (cp_genericize_r): Same.
2622 * cvt.c (maybe_warn_nodiscard): Quote keywords, operators, and types
2624 (type_promotes_to): Same.
2625 * decl.c (check_previous_goto_1): Same.
2628 (cp_finish_decl): Avoid parenthesizing a sentence for consistency.
2629 (grok_op_properties): Quote keywords, operators, and types
2631 * decl2.c (grokfield): Same.
2632 (coerce_delete_type): Same.
2633 * except.c (is_admissible_throw_operand_or_catch_parameter): Same.
2634 * friend.c (do_friend): Quote C++ tokens.
2635 * init.c (build_new_1): Quote keywords, operators, and types
2637 (build_vec_delete_1): Same.
2638 (build_delete): Same.
2639 * lex.c (parse_strconst_pragma): Same.
2640 (handle_pragma_implementation): Same.
2641 (unqualified_fn_lookup_error): Same.
2642 * mangle.c (write_type): Same.
2643 * method.c (defaulted_late_check): Avoid two consecutive punctuators.
2644 * name-lookup.c (cp_binding_level_debug): Remove a trailing newline.
2645 (pop_everything): Same.
2646 * parser.c (cp_lexer_start_debugging): Quote a macro name.
2648 (cp_lexer_stop_debugging): Same.
2649 (cp_parser_userdef_numeric_literal): Quote a C++ header name
2651 (cp_parser_nested_name_specifier_opt): Quote keywords, operators,
2652 and types in diagnostics.
2653 (cp_parser_question_colon_clause): Same.
2654 (cp_parser_asm_definition): Same.
2655 (cp_parser_init_declarator): Same.
2656 (cp_parser_template_declaration_after_parameters): Avoid capitalizing
2657 a sentence in a diagnostic.
2658 (cp_parser_omp_declare_reduction): Quote keywords, operators, and types
2660 (cp_parser_transaction): Same.
2661 * pt.c (maybe_process_partial_specialization): Replace second call
2662 to permerror with inform for consistency with other uses.
2663 (expand_integer_pack): Quote keywords, operators, and types
2665 * rtti.c (get_typeid): Quote keywords, operators, and types
2667 (build_dynamic_cast_1): Same.
2668 * semantics.c (finish_asm_stmt): Same.
2669 (finish_label_decl): Same.
2670 (finish_bases): Same.
2671 (finish_offsetof): Same.
2672 (cp_check_omp_declare_reduction): Same.
2673 (finish_decltype_type): Same.
2674 * tree.c (handle_init_priority_attribute): Same. Add detail
2676 (maybe_warn_zero_as_null_pointer_constant): Same.
2677 * typeck.c (cp_build_binary_op): Quote keywords, operators, and types
2679 (cp_build_unary_op): Same.
2680 (check_for_casting_away_constness): Same.
2681 (build_static_cast): Same.
2682 (build_const_cast_1): Same.
2683 (maybe_warn_about_returning_address_of_local): Same.
2684 (check_return_expr): Same.
2685 * typeck2.c (abstract_virtuals_error_sfinae): Same.
2686 (digest_init_r): Replace a tab with spaces in a diagnostic.
2687 (build_functional_cast): Quote keywords, operators, and types
2690 2019-05-15 Jakub Jelinek <jakub@redhat.com>
2693 * cp-gimplify.c (genericize_cp_loop): Emit a DEBUG_BEGIN_STMT
2694 before the condition (or if missing or constant non-zero at the end
2695 of the loop. Emit a DEBUG_BEGIN_STMT before the increment expression
2696 if any. Don't call protected_set_expr_location on incr if it already
2699 2019-05-15 Marek Polacek <polacek@redhat.com>
2701 CWG 2096 - constraints on literal unions.
2702 * class.c (check_field_decls): Initialize booleans directly. A union
2703 is literal if at least one of its non-static data members is of
2704 non-volatile literal type.
2706 2019-05-15 Paolo Carlini <paolo.carlini@oracle.com>
2708 * cp-tree.h (REFERENCE_VLA_OK): Remove.
2709 * lambda.c (build_capture_proxy): Remove use of the above.
2711 2019-05-15 Paolo Carlini <paolo.carlini@oracle.com>
2713 * call.c (perform_overload_resolution, build_new_method_call_1):
2714 Use OVL_P; remove redundant TEMPLATE_DECL checks.
2715 * decl.c (grokfndecl): Likewise.
2716 * mangle.c (write_expression): Likewise.
2717 * parser.c (cp_parser_template_id): Likewise.
2718 * pt.c (resolve_overloaded_unification, type_dependent_expression_p):
2720 * search.c (build_baselink): Likewise.
2721 * tree.c (is_overloaded_fn, dependent_name, maybe_get_fns): Likewise.
2723 2019-05-14 Paolo Carlini <paolo.carlini@oracle.com>
2725 PR preprocessor/90382
2726 * decl.c (grokdeclarator): Fix value assigned to typespec_loc, use
2729 2019-05-13 Jason Merrill <jason@redhat.com>
2731 Use releasing_vec more broadly.
2732 * cp-tree.h (struct releasing_vec): Replace get_ref method with
2734 (vec_safe_push, vec_safe_reserve, vec_safe_length, vec_safe_splice):
2735 Forwarding functions for releasing_vec.
2736 (release_tree_vector): Declare but don't define.
2737 * call.c (build_op_delete_call, build_temp, call_copy_ctor)
2738 (perform_direct_initialization_if_possible): Use releasing_vec.
2739 * constexpr.c (cxx_eval_vec_init_1, cxx_eval_store_expression):
2741 * cp-gimplify.c (cp_fold): Likewise.
2742 * cvt.c (force_rvalue, ocp_convert): Likewise.
2743 * decl.c (get_tuple_decomp_init): Likewise.
2744 * except.c (build_throw): Likewise.
2745 * init.c (perform_member_init, expand_default_init): Likewise.
2746 * method.c (do_build_copy_assign, locate_fn_flags): Likewise.
2747 * parser.c (cp_parser_userdef_char_literal)
2748 (cp_parser_userdef_numeric_literal)
2749 (cp_parser_userdef_string_literal)
2750 (cp_parser_perform_range_for_lookup)
2751 (cp_parser_range_for_member_function, cp_parser_omp_for_loop)
2752 (cp_parser_omp_for_loop_init): Likewise.
2753 * pt.c (tsubst_copy_and_build, do_class_deduction): Likewise.
2754 * semantics.c (calculate_direct_bases, calculate_bases)
2755 (finish_omp_barrier, finish_omp_flush, finish_omp_taskwait)
2756 (finish_omp_taskyield, finish_omp_cancel)
2757 (finish_omp_cancellation_point): Likewise.
2758 * tree.c (build_vec_init_elt, strip_typedefs, strip_typedefs_expr)
2759 (build_min_non_dep_op_overload): Likewise.
2760 * typeck.c (build_function_call_vec, cp_build_function_call_nary)
2761 (cp_build_modify_expr): Likewise.
2762 * typeck2.c (build_functional_cast): Likewise.
2764 2019-05-11 Paolo Carlini <paolo.carlini@oracle.com>
2766 * typeck.c (cp_build_function_call_vec): When mark_used fails
2767 unconditionally return error_mark_node.
2769 2019-05-10 Paolo Carlini <paolo.carlini@oracle.com>
2771 * decl.c (grokvardecl): Use an accurate location in error message
2772 about main as a global variable.
2774 2019-05-10 Paolo Carlini <paolo.carlini@oracle.com>
2776 * call.c (build_call_a): Use FUNC_OR_METHOD_TYPE_P.
2777 * cp-gimplify.c (cp_fold): Likewise.
2778 * cp-objcp-common.c (cp_type_dwarf_attribute): Likewise.
2779 * cp-tree.h (TYPE_OBJ_P, TYPE_PTROBV_P): Likewise.
2780 * cvt.c (perform_qualification_conversions): Likewise.
2781 * decl.c (grokdeclarator): Likewise.
2782 * decl2.c (build_memfn_type): Likewise.
2783 * mangle.c (canonicalize_for_substitution, write_type): Likewise.
2784 * parser.c (cp_parser_omp_declare_reduction): Likewise.
2785 * pt.c (check_explicit_specialization, uses_deducible_template_parms,
2786 check_cv_quals_for_unify, dependent_type_p_r): Likewise.
2787 * rtti.c (ptr_initializer): Likewise.
2788 * semantics.c (finish_asm_stmt, finish_offsetof,
2789 cp_check_omp_declare_reduction): Likewise.
2790 * tree.c (cp_build_qualified_type_real,
2791 cp_build_type_attribute_variant, cxx_type_hash_eq,
2792 cxx_copy_lang_qualifiers, cp_free_lang_data): Likewise.
2793 * typeck.c (structural_comptypes, convert_arguments,
2794 cp_build_addr_expr_1, unary_complex_lvalue, cp_build_c_cast,
2795 cp_build_modify_expr, comp_ptr_ttypes_real, type_memfn_rqual):
2798 2019-05-10 Marek Polacek <polacek@redhat.com>
2800 PR c++/78010 - bogus -Wsuggest-override warning on final function.
2801 * class.c (check_for_override): Don't warn for final functions.
2803 2019-05-10 Jakub Jelinek <jakub@redhat.com>
2806 * config-lang.in (gtfiles): Remove c-family/c-lex.c, add
2807 c-family/c-cppbuiltin.c.
2809 2019-05-09 Paolo Carlini <paolo.carlini@oracle.com>
2813 2018-04-26 Paolo Carlini <paolo.carlini@oracle.com>
2815 * decl.c (grokdeclarator): Fix value assigned to typespec_loc, use
2818 2019-05-08 Nathan Sidwell <nathan@acm.org>
2820 Kill DECL_SAVED_FUNCTION_DATA .
2821 * cp-tree.h (language_function): Remove x_auto_return_pattern.
2822 (current_function_auto_return_pattern): Delete.
2823 (lang_decl_fn): Replace saved_language_function with
2824 saved_auto_return type.
2825 (DECL_SAVED_FUNCTION_DATA): Delete.
2826 (DECL_SAVED_AUTO_RETURN_TYPE): New.
2827 (FNDECL_USED_AUTO): Correct documentation.
2828 * decl.c (duplicate_decls): Adjust AUTO return handling.
2829 (start_preparsed_function): Replace
2830 current_function_auto_return_pattern with
2831 DECL_SAVED_AUTO_RETURN_TYPE. Remove DECL_SAVED_FUNCTION_DATA
2833 (finish_function): Likewise.
2834 (save_function_data): Delete.
2835 (fndecl_declared_return_type): Reimplement.
2836 * mangle.c (write_unqualified_name): Use DECL_SAVED_AUTO_RETURN_TYPE.
2837 * method.c (make_thunk, make_alias_for): Likewise.
2838 * parser.c (cp_parser_jump_statement): Likewise.
2839 * pt.c (do_auto_deduction): Likewise.
2840 * typeck.c (check_return_expr): Likewise.
2842 2019-05-06 Jason Merrill <jason@redhat.com>
2844 PR c++/90171 - reorganize usual_deallocation_fn_p
2845 * call.c (struct dealloc_info): New.
2846 (usual_deallocation_fn_p): Take a dealloc_info*.
2847 (aligned_deallocation_fn_p, sized_deallocation_fn_p): Remove.
2848 (build_op_delete_call): Adjust.
2850 2019-05-07 Jason Merrill <jason@redhat.com>
2852 PR c++/86485 - -Wmaybe-unused with empty class ?:
2853 * typeck.c (build_static_cast_1): Use cp_build_addr_expr.
2855 * pt.c (type_dependent_expression_p): A non-type template parm with
2856 a placeholder type is type-dependent.
2858 2019-05-06 Marek Polacek <polacek@redhat.com>
2860 PR c++/90265 - ICE with generic lambda.
2861 * pt.c (tsubst_copy_and_build): Use a dedicated variable for the last
2862 element in the vector.
2864 2019-05-03 Martin Liska <mliska@suse.cz>
2866 * call.c (build_aggr_conv): Use is_empty instead of
2867 elements () == 0 (and similar usages).
2868 * parser.c (cp_parser_lambda_introducer): Likewise.
2870 2019-05-02 Nathan Sidwell <nathan@acm.org>
2872 * semantics.c (finish_id_expression_1): Remove unreachable code.
2874 2019-05-01 Nathan Sidwell <nathan@acm.org>
2876 * name-lookup.h (get_class_binding_direct): Change final arg to
2878 (get_class_binding): Likewise.
2879 * name-lookup.c (get_class_binding_direct): Replace TYPE_OR_FNS
2880 arg with WANT_TYPE bool. Simplify.
2881 (get_class_binding): Adjust final arg.
2882 * decl.c (reshape_init_class): Adjust get_class_binding calls.
2884 2019-04-30 Nathan Sidwell <nathan@acm.org>
2886 * cp-objcp-common.c (cp_common_init_ts): Use MARK_TS_EXP for _EXPR
2887 nodes. Call c_common_init_ts.
2889 2019-04-29 Nathan Sidwell <nathan@acm.org>
2891 * decl.c (duplicate_decls): Add whitespace, move comments into
2893 * method.c (explain_implicit_non_constexpr): Refactor.
2894 * pt.c (check_explicit_specialization): Fix indentation.
2895 * semantics.c (process_outer_var_ref): Reformat.
2896 (finish_id_expression_1): Use STRIP_TEMPLATE.
2898 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
2900 PR c++/90243 - orphaned note in uninstantiated constexpr function
2901 * decl.c (check_for_uninitialized_const_var): Suppress notes if no
2904 2019-04-26 Paolo Carlini <paolo.carlini@oracle.com>
2907 * decl.c (grokdeclarator): Set type to error_mark_node
2908 upon error about template placeholder type non followed
2909 by a simple declarator-id.
2911 2019-04-26 Paolo Carlini <paolo.carlini@oracle.com>
2913 * decl.c (grokdeclarator): Fix value assigned to typespec_loc, use
2916 2019-04-24 Jason Merrill <jason@redhat.com>
2918 PR c++/90227 - error with template parameter packs.
2919 * pt.c (coerce_template_parms): Do add empty pack when
2922 2019-04-24 Richard Biener <rguenther@suse.de>
2924 * call.c (null_ptr_cst_p): Order checks according to expensiveness.
2925 (conversion_null_warnings): Likewise.
2926 * typeck.c (same_type_ignoring_top_level_qualifiers_p): Return
2927 early if type1 == type2.
2929 2019-04-22 Jason Merrill <jason@redhat.com>
2931 PR c++/87366 - wrong error with alias template.
2932 * typeck.c (structural_comptypes): When comparing_specializations,
2933 aliases are unequal.
2934 (comptypes): When comparing_specializations, do structural
2937 2019-04-19 Jason Merrill <jason@redhat.com>
2939 PR c++/90190 - CTAD with list-constructor.
2940 * pt.c (do_class_deduction): Don't try the single element deduction
2941 if the single element is also a braced list.
2943 PR c++/90171 - ICE with destroying delete with size_t parm.
2944 * call.c (sized_deallocation_fn_p): New. Use it instead of
2945 second_parm_is_size_t in most cases.
2946 (second_parm_is_size_t): Don't check for aligned.
2948 2019-04-19 Paolo Carlini <paolo.carlini@oracle.com>
2951 * pt.c (fn_type_unification): When handling null explicit
2952 arguments do not special case non-parameter packs.
2954 2019-04-19 Jakub Jelinek <jakub@redhat.com>
2957 * pt.c (process_template_parm): Set decl to pushdecl result. If
2958 !is_non_type, also set parm to that.
2961 * decl.c (struct cp_switch): Remove outside_range_p member.
2962 (push_switch): Don't clear it.
2963 (pop_switch): Adjust c_do_switch_warnings caller.
2964 (finish_case_label): Adjust c_add_case_label caller.
2967 * decl.c (duplicate_decls): If remove is main variant and
2968 DECL_ORIGINAL_TYPE is some other type, remove a DECL_ORIGINAL_TYPE
2969 variant that has newdecl as TYPE_NAME if any.
2971 2019-04-18 Jason Merrill <jason@redhat.com>
2973 PR c++/87554 - ICE with extern template and reference member.
2974 * decl.c (cp_finish_decl): Don't set DECL_INITIAL of external vars.
2976 2019-04-17 Jason Merrill <jason@redhat.com>
2978 PR c++/90047 - ICE with enable_if alias template.
2979 * pt.c (tsubst_decl) [TYPE_DECL]: Don't put an erroneous decl in the
2980 hash table when we're in SFINAE context.
2982 2019-04-17 Marek Polacek <polacek@redhat.com>
2984 PR c++/90124 - bogus error with incomplete type in decltype.
2985 * typeck.c (build_class_member_access_expr): Check
2986 cp_unevaluated_operand.
2988 2019-04-12 Jakub Jelinek <jakub@redhat.com>
2991 * decl.c (duplicate_decls): When newdecl's type is its main variant,
2992 don't try to remove it from the variant list, but instead assert
2995 2019-04-12 Martin Sebor <msebor@redhat.com>
2999 * parser.c (cp_parser_has_attribute_expression): Handle assignment
3002 2019-04-12 Jason Merrill <jason@redhat.com>
3004 * call.c (null_member_pointer_value_p): Handle an empty CONSTRUCTOR
3007 2019-04-12 Marek Polacek <polacek@redhat.com>
3009 * except.c (build_noexcept_spec): Use build_converted_constant_bool_expr
3010 instead of perform_implicit_conversion_flags.
3012 PR c++/87603 - constexpr functions are no longer noexcept.
3013 * constexpr.c (is_sub_constant_expr): Remove unused function.
3014 * cp-tree.h (is_sub_constant_expr): Remove declaration.
3015 * except.c (check_noexcept_r): Don't consider a call to a constexpr
3018 2019-04-11 Jakub Jelinek <jakub@redhat.com>
3020 PR translation/90035
3021 * parser.h (struct cp_parser): Add
3022 type_definition_forbidden_message_arg member.
3023 * parser.c (cp_debug_parser): Print it.
3024 (cp_parser_check_type_definition): Pass
3025 parser->type_definition_forbidden_message_arg as second argument to
3027 (cp_parser_has_attribute_expression, cp_parser_sizeof_operand): Set
3028 parser->type_definition_forbidden_message_arg and use G_() with
3029 %qs for parser->type_definition_forbidden_message instead of
3030 building untranslatable message using concat.
3032 2019-04-09 Jakub Jelinek <jakub@redhat.com>
3034 PR translation/90011
3035 * typeck2.c (check_narrowing): Remove trailing space from diagnostics.
3037 2019-04-08 Marek Polacek <polacek@redhat.com>
3039 * typeck2.c (digest_init_r): Don't condition the object slicing warning
3042 2019-04-08 Paolo Carlini <paolo.carlini@oracle.com>
3045 * semantics.c (trait_expr_value): Don't use TYPE_NOTHROW_P
3046 when maybe_instantiate_noexcept fails.
3047 (classtype_has_nothrow_assign_or_copy_p): Likewise.
3048 * method.c (implicitly_declare_fn): Avoid passing error_mark_node
3049 to build_exception_variant.
3051 2019-04-05 Marek Polacek <polacek@redhat.com>
3053 PR c++/87145 - bogus error converting class type in template arg list.
3054 * pt.c (convert_nontype_argument): Don't call
3055 build_converted_constant_expr if it could involve calling a conversion
3056 function with a instantiation-dependent constructor as its argument.
3058 2019-04-05 Martin Sebor <msebor@redhat.com>
3061 * decl.c (reshape_init_array_1): Avoid treating empty strings
3062 as zeros in array initializers.
3063 Use trivial_type_p () instead of TYPE_HAS_TRIVIAL_DFLT().
3065 2019-04-04 Jason Merrill <jason@redhat.com>
3067 PR c++/89948 - ICE with break in statement-expr.
3068 * constexpr.c (cxx_eval_statement_list): Jumping out of a
3069 statement-expr is non-constant.
3071 2019-04-04 Jason Merrill <jason@redhat.com>
3073 PR c++/89966 - error with non-type auto tparm.
3074 * pt.c (do_auto_deduction): Clear tf_partial.
3076 2019-04-04 Jason Merrill <jason@redhat.com>
3078 PR c++/86986 - ICE with TTP with parameter pack.
3079 * pt.c (coerce_template_parameter_pack): Only look at the type of a
3080 non-type parameter pack.
3081 (fixed_parameter_pack_p_1): Don't recurse into the type of a
3082 non-type parameter pack.
3083 (coerce_template_template_parms): Call add_outermost_template_args.
3085 2019-04-04 Martin Sebor <msebor@redhat.com>
3091 * decl.c (reshape_init_array_1): Strip trailing zero-initializers
3092 from arrays of trivial type and known size.
3093 * mangle.c (write_expression): Convert braced initializer lists
3095 (write_expression): Trim trailing zero-initializers from arrays
3097 (write_template_arg_literal): Mangle strings the same as braced
3100 2019-04-03 Jason Merrill <jason@redhat.com>
3102 PR c++/81866 - ICE with member template and default targ.
3103 * pt.c (tsubst_template_decl): Handle getting a type from
3104 retrieve_specialization.
3106 PR c++/86586 - -fcompare-debug=-Wsign-compare.
3107 * typeck.c (cp_build_binary_op): Don't fold for -Wsign-compare.
3109 PR c++/89331 - ICE with offsetof in incomplete class.
3110 * semantics.c (finish_offsetof): Handle error_mark_node.
3111 * typeck.c (build_class_member_access_expr): Call
3112 complete_type_or_maybe_complain before converting to base.
3114 PR c++/89917 - ICE with lambda in variadic mem-init.
3115 * pt.c (make_pack_expansion): Change type_pack_expansion_p to false.
3117 2019-04-01 Jason Merrill <jason@redhat.com>
3119 PR c++/86946 - ICE with function call in template argument.
3121 * pt.c (iterative_hash_template_arg) [CALL_EXPR]: Use
3124 2019-04-01 Paolo Carlini <paolo.carlini@oracle.com>
3127 * pt.c (tsubst_copy): Deal with lookup_name not returing a variable.
3129 2019-03-31 Marek Polacek <polacek@redhat.com>
3131 PR c++/89852 - ICE with C++11 functional cast with { }.
3132 * constexpr.c (fold_non_dependent_expr_template): New static function
3134 (fold_non_dependent_expr): ...here.
3135 (fold_non_dependent_init): New function.
3136 * cp-tree.h (fold_non_dependent_init): Declare.
3137 * typeck2.c (massage_init_elt): Call fold_non_dependent_init instead
3138 of fold_non_dependent_expr. Don't call maybe_constant_init.
3140 2019-03-30 Jason Merrill <jason@redhat.com>
3142 PR c++/89744 - ICE with specialization of member class template.
3143 * pt.c (lookup_template_class_1): If the partial instantiation is
3144 explicitly specialized, adjust.
3145 (maybe_process_partial_specialization): Also adjust
3148 2019-03-29 Jakub Jelinek <jakub@redhat.com>
3151 * typeck.c: Include gimplify.h.
3152 (cp_build_modify_expr) <case COND_EXPR>: Unshare rhs before using it
3153 for second time. Formatting fixes.
3155 2019-03-29 Marek Polacek <polacek@redhat.com>
3157 PR c++/89876 - ICE with deprecated conversion.
3158 * call.c (convert_like_real): Only give warnings with tf_warning.
3160 2019-03-28 Marek Polacek <polacek@redhat.com>
3162 PR c++/89612 - ICE with member friend template with noexcept.
3163 * pt.c (maybe_instantiate_noexcept): For function templates, use their
3164 template result (function decl). Don't set up local specializations.
3165 Temporarily turn on processing_template_decl. Update the template type
3168 PR c++/89836 - bool constant expression and explicit conversions.
3169 * call.c (build_converted_constant_expr_internal): New function,
3171 (build_converted_constant_expr): ...this. New.
3172 (build_converted_constant_bool_expr): New.
3173 * cp-tree.h (build_converted_constant_bool_expr): Declare.
3174 * decl.c (build_explicit_specifier): Call
3175 build_converted_constant_bool_expr.
3177 2019-03-28 Jakub Jelinek <jakub@redhat.com>
3180 * constexpr.c (struct check_for_return_continue_data): New type.
3181 (check_for_return_continue): New function.
3182 (potential_constant_expression_1) <case SWITCH_STMT>: Walk
3183 SWITCH_STMT_BODY to find RETURN_EXPRs or CONTINUE_STMTs not nested
3184 in loop bodies and set *jump_target to that if found.
3186 2019-03-27 Jason Merrill <jason@redhat.com>
3188 PR c++/89831 - error with qualified-id in const member function.
3189 * semantics.c (finish_non_static_data_member): Use object cv-quals
3190 in scoped case, too.
3192 PR c++/89421 - ICE with lambda in template parameter list.
3193 * parser.c (cp_parser_lambda_expression): Also reject a lambda in a
3194 template parameter list before C++20.
3195 * pt.c (type_dependent_expression_p): True for LAMBDA_EXPR.
3196 * semantics.c (begin_class_definition): Restore error about defining
3197 non-lambda class in template parm list.
3199 2019-03-26 Jason Merrill <jason@redhat.com>
3201 PR c++/86932 - missed SFINAE with empty pack.
3202 * pt.c (coerce_template_parms): Don't add an empty pack if
3204 (fn_type_unification): Pass tf_partial to coerce_template_parms.
3206 PR c++/86429 - constexpr variable in lambda.
3209 * constexpr.c (cxx_eval_constant_expression): In a lambda function,
3210 try evaluating the captured variable directly.
3212 2019-03-26 Jakub Jelinek <jakub@redhat.com>
3215 * semantics.c (finish_omp_atomic): Add warning_sentinel for
3216 -Wunused-value around finish_expr_stmt call.
3218 2019-03-25 Paolo Carlini <paolo.carlini@oracle.com>
3222 * parser.c (cp_parser_binary_expression): Don't call cp_fully_fold
3223 to undo the disabling of warnings.
3225 2019-03-25 Jason Merrill <jason@redhat.com>
3227 PR c++/87748 - substitution failure error with decltype.
3228 * pt.c (most_specialized_partial_spec): Clear
3229 processing_template_decl.
3231 2019-03-25 Marek Polacek <polacek@redhat.com>
3233 PR c++/89214 - ICE when initializing aggregates with bases.
3234 * typeck2.c (digest_init_r): Warn about object slicing instead of
3237 PR c++/89705 - ICE with reference binding with conversion function.
3238 * call.c (reference_binding): If the result of the conversion function
3239 is a prvalue of non-class type, use the cv-unqualified type.
3241 2019-03-25 Nathan Sidwell <nathan@acm.org>
3243 * lambda.c (maybe_add_lambda_conv_op): Don't add to comdat group.
3245 2019-03-22 Jakub Jelinek <jakub@redhat.com>
3248 * cp-tree.h (get_tls_wrapper_fn): Remove declaration.
3249 (maybe_get_tls_wrapper_call): Declare.
3250 * decl2.c (get_tls_wrapper_fn): Make static.
3251 (maybe_get_tls_wrapper_call): New function.
3252 * typeck.c (build_class_member_access_expr): Handle accesses to TLS
3254 * semantics.c (finish_qualified_id_expr): Likewise.
3255 (finish_id_expression_1): Use maybe_get_tls_wrapper_call.
3256 * pt.c (tsubst_copy_and_build): Likewise.
3259 * constexpr.c (struct constexpr_ctx): Add constexpr_ops_count member.
3260 (cxx_eval_constant_expression): When not skipping, not constant class
3261 or location wrapper, increment *ctx->constexpr_ops_count and if it is
3262 above constexpr_loop_nest_limit, diagnose failure.
3263 (cxx_eval_outermost_constant_expr): Add constexpr_ops_count and
3264 initialize ctx.constexpr_ops_count to its address.
3265 (is_sub_constant_expr): Likewise.
3267 2019-03-21 Jakub Jelinek <jakub@redhat.com>
3270 * call.c (filed_in_pset): Change pset from hash_set<tree> * to
3271 hash_set<tree, true> &, adjust uses accordingly.
3272 (build_aggr_conv): Change pset from hash_set<tree> *
3273 to hash_set<tree, true>. Replace goto fail; with return NULL;,
3277 * parser.c (cp_parser_lambda_introducer): Add ids and first_capture_id
3278 variables, check for duplicates in this function.
3279 * lambda.c (add_capture): Don't check for duplicates nor use
3281 (register_capture_members): Don't clear IDENTIFIER_MARKED here.
3283 2019-03-21 Paolo Carlini <paolo.carlini@oracle.com>
3286 * method.c (after_nsdmi_defaulted_late_checks): Avoid passing
3287 error_mark_node to comp_except_specs.
3289 2019-03-20 Jason Merrill <jason@redhat.com>
3291 PR c++/87480 - decltype of member access in default template arg
3292 * pt.c (type_unification_real): Accept a dependent result in
3295 2019-03-19 Martin Sebor <msebor@redhat.com>
3297 PR tree-optimization/89688
3298 * typeck2.c (store_init_value): Call braced_lists_to_string for more
3299 kinds of initializers.
3301 2019-03-18 Jason Merrill <jason@redhat.com>
3303 PR c++/89630 - ICE with dependent using-decl as template arg.
3304 * tree.c (cp_tree_equal): Always return false for USING_DECL.
3306 PR c++/89761 - ICE with sizeof... in pack expansion.
3307 * pt.c (argument_pack_element_is_expansion_p): Handle
3308 ARGUMENT_PACK_SELECT.
3310 PR c++/89640 - GNU attributes on lambda.
3311 * parser.c (cp_parser_lambda_declarator_opt): Allow GNU attributes.
3313 PR c++/89682 - wrong access error in default argument.
3314 * pt.c (tsubst_default_argument): Don't defer access checks.
3316 2019-03-18 Paolo Carlini <paolo.carlini@oracle.com>
3319 * semantics.c (finish_non_static_data_member): Check return value
3320 of context_for_name_lookup and immediately return error_mark_node
3323 2019-03-17 Jason Merrill <jason@redhat.com>
3325 PR c++/89571 - ICE with ill-formed noexcept on constructor.
3326 * pt.c (maybe_instantiate_noexcept): Only return false if defaulted.
3327 (regenerate_decl_from_template): Use it for noexcept-specs.
3329 2019-03-14 Jason Merrill <jason@redhat.com>
3331 * parser.c (cp_parser_decl_specifier_seq): Support C++20
3332 concept-definition syntax without 'bool'.
3334 2019-03-14 Jakub Jelinek <jakub@redhat.com>
3337 * semantics.c (finish_qualified_id_expr): Reject variable templates.
3340 * constexpr.c (struct constexpr_ctx): Change save_exprs type from
3341 hash_set<tree> to vec<tree>.
3342 (cxx_eval_call_expression): Adjust for save_exprs being a vec instead
3344 (cxx_eval_loop_expr): Likewise. Truncate the vector after each
3345 removal of SAVE_EXPRs from values.
3346 (cxx_eval_constant_expression) <case SAVE_EXPR>: Call safe_push
3347 method on save_exprs instead of add.
3349 2019-03-13 Jason Merrill <jason@redhat.com>
3351 PR c++/86521 - C++17 copy elision in initialization by constructor.
3352 * call.c (joust_maybe_elide_copy): New.
3355 2019-03-13 Marek Polacek <polacek@redhat.com>
3357 PR c++/88979 - further P0634 fix for constructors.
3358 * parser.c (cp_parser_decl_specifier_seq): Pass flags to
3359 cp_parser_constructor_declarator_p.
3360 (cp_parser_direct_declarator): Allow missing typename for constructor
3362 (cp_parser_constructor_declarator_p): Add FLAGS parameter. Pass it to
3363 cp_parser_type_specifier.
3365 PR c++/89686 - mixing init-capture and simple-capture in lambda.
3366 * parser.c (cp_parser_lambda_introducer): Give error when combining
3367 init-capture and simple-capture.
3369 PR c++/89660 - bogus error with -Wredundant-move.
3370 * typeck.c (maybe_warn_pessimizing_move): Only accept (T &) &arg
3371 as the std::move's argument. Don't call convert_for_initialization
3372 when warn_redundant_move isn't on.
3374 2019-03-11 Jason Merrill <jason@redhat.com>
3376 PR c++/86521 - wrong overload resolution with ref-qualifiers.
3377 * call.c (build_user_type_conversion_1): Don't use a conversion to a
3378 reference of the wrong rvalueness for direct binding.
3380 2019-03-11 Martin Liska <mliska@suse.cz>
3382 * cvt.c (build_expr_type_conversion): Wrap apostrophes
3383 in gcc internal format with %'.
3384 * decl.c (check_no_redeclaration_friend_default_args): Likewise.
3385 (grokfndecl): Likewise.
3386 * name-lookup.c (do_pushtag): Likewise.
3387 * pt.c (unify_parameter_deduction_failure): Likewise.
3388 (unify_template_deduction_failure): Likewise.
3390 2019-03-11 Martin Liska <mliska@suse.cz>
3392 * call.c (convert_arg_to_ellipsis): Wrap an option name
3393 in a string format message and fix GNU coding style.
3394 (build_over_call): Likewise.
3395 * class.c (check_field_decl): Likewise.
3396 (layout_nonempty_base_or_field): Likewise.
3397 * constexpr.c (cxx_eval_loop_expr): Likewise.
3398 * cvt.c (type_promotes_to): Likewise.
3399 * decl.c (cxx_init_decl_processing): Likewise.
3400 (mark_inline_variable): Likewise.
3401 (grokdeclarator): Likewise.
3402 * decl2.c (record_mangling): Likewise.
3403 * error.c (maybe_warn_cpp0x): Likewise.
3404 * except.c (doing_eh): Likewise.
3405 * mangle.c (maybe_check_abi_tags): Likewise.
3406 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
3407 (cp_parser_userdef_numeric_literal): Likewise.
3408 (cp_parser_primary_expression): Likewise.
3409 (cp_parser_unqualified_id): Likewise.
3410 (cp_parser_pseudo_destructor_name): Likewise.
3411 (cp_parser_builtin_offsetof): Likewise.
3412 (cp_parser_lambda_expression): Likewise.
3413 (cp_parser_lambda_introducer): Likewise.
3414 (cp_parser_lambda_declarator_opt): Likewise.
3415 (cp_parser_selection_statement): Likewise.
3416 (cp_parser_init_statement): Likewise.
3417 (cp_parser_decomposition_declaration): Likewise.
3418 (cp_parser_function_specifier_opt): Likewise.
3419 (cp_parser_static_assert): Likewise.
3420 (cp_parser_simple_type_specifier): Likewise.
3421 (cp_parser_namespace_definition): Likewise.
3422 (cp_parser_using_declaration): Likewise.
3423 (cp_parser_ctor_initializer_opt_and_function_body): Likewise.
3424 (cp_parser_initializer_list): Likewise.
3425 (cp_parser_type_parameter_key): Likewise.
3426 (cp_parser_member_declaration): Likewise.
3427 (cp_parser_try_block): Likewise.
3428 (cp_parser_std_attribute_spec): Likewise.
3429 (cp_parser_requires_clause_opt): Likewise.
3430 * pt.c (check_template_variable): Likewise.
3431 (check_default_tmpl_args): Likewise.
3432 (push_tinst_level_loc): Likewise.
3433 (instantiate_pending_templates): Likewise.
3434 (invalid_nontype_parm_type_p): Likewise.
3435 * repo.c (get_base_filename): Likewise.
3436 * rtti.c (typeid_ok_p): Likewise.
3437 (build_dynamic_cast_1): Likewise.
3438 * tree.c (maybe_warn_parm_abi): Likewise.
3440 2019-03-08 Jakub Jelinek <jakub@redhat.com>
3443 * parser.c (cp_parser_template_declaration_after_parameters): Avoid
3444 one space before " at the end of line and another after " on another
3445 line in a string literal.
3447 PR tree-optimization/89550
3448 * semantics.c (maybe_convert_cond): Only set TREE_NO_WARNING if
3449 warning_at returned true.
3450 * decl2.c (c_parse_final_cleanups): Likewise.
3451 * typeck.c (convert_for_assignment): Likewise.
3452 * decl.c (finish_function): Likewise.
3455 * parser.c (cp_parser_asm_definition): Just warn instead of error
3456 on volatile qualifier outside of function body.
3459 * constexpr.c (potential_constant_expression_1): Reject
3460 REINTERPRET_CAST_P NOP_EXPRs.
3463 * call.c (joust): Call print_z_candidate only if pedwarn returned
3466 2019-03-07 Jason Merrill <jason@redhat.com>
3468 PR c++/88123 - lambda and using-directive.
3469 * name-lookup.c (op_unqualified_lookup)
3470 (maybe_save_operator_binding, discard_operator_bindings)
3471 (push_operator_bindings): New.
3472 * typeck.c (build_x_binary_op, build_x_unary_op): Call
3473 maybe_save_operator_binding.
3474 * decl.c (start_preparsed_function): Call push_operator_bindings.
3475 * tree.c (cp_free_lang_data): Call discard_operator_bindings.
3477 PR c++/88820 - ICE with CTAD and member template used in DMI.
3478 * pt.c (do_class_deduction): Handle parm used as its own arg.
3480 2019-03-07 Jakub Jelinek <jakub@redhat.com>
3483 * parser.c (cp_parser_asm_definition): Parse asm qualifiers even
3484 at toplevel, but diagnose them.
3486 2019-03-06 Jason Merrill <jason@redhat.com>
3488 PR c++/89381 - implicit copy and using-declaration.
3489 * class.c (classtype_has_move_assign_or_move_ctor_p): Don't consider
3490 op= brought in by a using-declaration.
3492 2019-03-06 Jakub Jelinek <jakub@redhat.com>
3495 * init.c (build_value_init_noctor): Ignore flexible array members.
3497 2019-03-06 Jason Merrill <jason@redhat.com>
3499 PR c++/89576 - if constexpr of lambda capture.
3500 * semantics.c (maybe_convert_cond): Do convert a non-dependent
3501 condition in a template.
3502 * typeck.c (condition_conversion): Handle being called in a
3505 2019-03-06 Marek Polacek <polacek@redhat.com>
3507 PR c++/87378 - bogus -Wredundant-move warning.
3508 * typeck.c (maybe_warn_pessimizing_move): See if the maybe-rvalue
3509 overload resolution would actually succeed.
3511 2019-03-05 Jason Merrill <jason@redhat.com>
3513 * class.c (is_really_empty_class): Add ignore_vptr parm.
3514 (trivial_default_constructor_is_constexpr): Pass it.
3515 * call.c (build_over_call): Pass it.
3516 * constexpr.c (cxx_eval_constant_expression): Pass it instead of
3517 checking TYPE_POLYMORPHIC_P.
3518 (cxx_eval_component_reference, potential_constant_expression_1):
3520 * cp-gimplify.c (simple_empty_class_p): Pass it.
3521 * init.c (expand_aggr_init_1): Pass it.
3523 2019-03-04 Paolo Carlini <paolo.carlini@oracle.com>
3526 * parser.c (cp_parser_class_head): Reject TYPE_BEING_DEFINED too.
3528 2019-03-04 Jakub Jelinek <jakub@redhat.com>
3531 * call.c (field_in_pset): New function.
3532 (build_aggr_conv): Handle CONSTRUCTOR_IS_DESIGNATED_INIT correctly.
3534 2019-03-02 Jakub Jelinek <jakub@redhat.com>
3537 * cp-tree.h (CONSTRUCTOR_IS_DESIGNATED_INIT): Define.
3538 * parser.c (cp_parser_braced_list): Adjust cp_parser_initializer_list
3539 caller, set CONSTRUCTOR_IS_DESIGNATED_INIT.
3540 (cp_parser_initializer_list): Add designated parameter, set *designated
3541 to a bool whether any designators were parsed.
3542 * decl.c (reshape_init): Copy over CONSTRUCTOR_IS_DESIGNATED_INIT if
3544 * pt.c (tsubst_copy_and_build): Likewise.
3545 * call.c (implicit_conversion): If CONSTRUCTOR_IS_DESIGNATED_INIT,
3546 don't call build_list_conv, nor build_complex_conv, nor attempt to
3547 convert a single element initializer to scalar.
3549 2019-03-01 Marek Polacek <polacek@redhat.com>
3551 PR c++/89537 - missing location for error with non-static member fn.
3552 * call.c (resolve_args): Use EXPR_LOCATION.
3553 * typeck.c (build_class_member_access_expr): Use input_location.
3555 PR c++/89532 - ICE with incomplete type in decltype.
3556 * semantics.c (finish_compound_literal): Return error_mark_node
3557 if digest_init_flags returns error_mark_node.
3559 2019-03-01 Jakub Jelinek <jakub@redhat.com>
3561 Implement P1002R1, Try-catch blocks in constexpr functions
3563 * parser.c (cp_parser_ctor_initializer_opt_and_function_body):
3564 Diagnose constexpr ctor or function with function-try-block with
3565 pedwarn for c++17 and earlier. Formatting fix.
3566 (cp_parser_try_block): Use pedwarn instead of error and only for
3567 c++17 and earlier when try block appears in constexpr function.
3568 * constexpr.c (build_constexpr_constructor_member_initializers):
3569 Handle TRY_BLOCK here instead of erroring on it.
3571 2019-02-28 Jason Merrill <jason@redhat.com>
3573 PR c++/88183 - ICE with .* fold-expression.
3574 * pt.c (fold_expression) [DOTSTAR_EXPR]: Remove special handling.
3576 PR c++/86969 - ICE with constexpr if and recursive generic lambdas.
3577 * class.c, lambda.c, pt.c: Revert earlier change.
3578 * lambda.c (add_capture): Don't special-case capture of dependent
3581 * name-lookup.c (print_binding_level): Print this_entity.
3583 2019-02-27 Marek Polacek <polacek@redhat.com>
3585 PR c++/88857 - ICE with value-initialization of argument in template.
3586 * call.c (convert_like_real): Don't call build_value_init in template.
3588 2019-02-27 Jason Merrill <jason@redhat.com>
3590 PR c++/86969 - ICE with constexpr if and recursive generic lambdas.
3591 * semantics.c (process_outer_var_ref): Do capture dependent vars.
3592 * class.c (finish_struct): Only add TAG_DEFN if T is in
3593 current_function_decl.
3594 * lambda.c (vla_capture_type): Force the capture type out into the
3595 lambda's enclosing function.
3596 (add_capture): Pass in the lambda.
3597 * pt.c (tsubst_lambda_expr): complete_type a VLA capture type.
3599 2019-02-27 Marek Polacek <polacek@redhat.com>
3601 PR c++/89511 - ICE with using-declaration and unscoped enumerator.
3602 * parser.c (cp_parser_using_declaration): For an unscoped enum
3603 only use its context if it's not a function declaration.
3605 2019-02-27 Paolo Carlini <paolo.carlini@oracle.com>
3608 * method.c (process_subob_fn): When maybe_instantiate_noexcept
3609 returns false don't call merge_exception_specifiers.
3611 2019-02-27 Paolo Carlini <paolo.carlini@oracle.com>
3614 * parser.c (cp_parser_noexcept_specification_opt): Return NULL_TREE
3615 for a non-constant parsed expression.
3617 2019-02-26 Jakub Jelinek <jakub@redhat.com>
3620 * constexpr.c (cxx_eval_store_expression): When changing active union
3621 member, set no_zero_init.
3623 2019-02-23 Marek Polacek <polacek@redhat.com>
3625 PR c++/88294 - ICE with non-constant noexcept-specifier.
3626 * pt.c (maybe_instantiate_noexcept): Set up the list of local
3627 specializations. Set current_class_{ptr,ref}.
3629 2019-02-22 David Malcolm <dmalcolm@redhat.com>
3632 * parser.c (cp_parser_unqualified_id): Capture and use locations
3635 2019-02-22 Marek Polacek <polacek@redhat.com>
3637 PR c++/89420 - ICE with CAST_EXPR in explicit-specifier.
3638 * decl.c (build_explicit_specifier): Don't check
3639 processing_template_decl. Call instantiation_dependent_expression_p
3640 instead of value_dependent_expression_p. Call
3641 instantiate_non_dependent_expr_sfinae before
3642 build_converted_constant_expr instead of calling
3643 instantiate_non_dependent_expr after it. Add
3644 processing_template_decl_sentinel.
3646 2019-02-22 Thomas Schwinge <thomas@codesourcery.com>
3648 * parser.c (cp_parser_oacc_simple_clause): Remove parser formal
3649 parameter, move loc formal parameter to the front. Adjust all
3651 (cp_parser_oacc_shape_clause): Add loc formal parameter. Adjust
3654 2019-02-21 Jason Merrill <jason@redhat.com>
3656 PR c++/87685 - generic lambda 'this' capture error.
3657 * lambda.c (lambda_expr_this_capture): Change add_capture_p to int.
3658 (maybe_generic_this_capture): Pass -1.
3660 PR c++/88394 - ICE with VLA init-capture.
3661 * lambda.c (is_normal_capture_proxy): Check DECL_CAPTURED_VARIABLE.
3663 PR c++/88869 - C++17 ICE with CTAD and explicit specialization.
3664 * pt.c (do_class_deduction): Don't include explicit specialization
3667 PR c++/89422 - ICE with -g and lambda in default arg in template.
3668 * pt.c (tsubst_function_decl): SET_DECL_FRIEND_CONTEXT sooner.
3670 2019-02-21 Jason Merrill <jason@redhat.com>
3672 PR c++/88419 - C++17 ICE with class template arg deduction.
3673 * pt.c (make_template_placeholder): Set TYPE_CANONICAL after
3674 CLASS_PLACEHOLDER_TEMPLATE.
3676 2019-02-21 Jakub Jelinek <jakub@redhat.com>
3679 * constexpr.c (struct constexpr_fundef): Add parms and result members.
3680 (retrieve_constexpr_fundef): Adjust for the above change.
3681 (register_constexpr_fundef): Save constexpr body with copy_fn,
3682 temporarily set DECL_CONTEXT on DECL_RESULT before that.
3683 (get_fundef_copy): Change FUN argument to FUNDEF with
3684 constexpr_fundef * type, grab body and parms/result out of
3685 constexpr_fundef struct and temporarily change it for copy_fn calls
3687 (cxx_eval_builtin_function_call): For __builtin_FUNCTION temporarily
3688 adjust current_function_decl from ctx->call context. Test
3689 !potential_constant_expression instead of !is_constant_expression.
3690 (cxx_bind_parameters_in_call): Grab parameters from new_call. Undo
3691 convert_for_arg_passing changes for TREE_ADDRESSABLE type passing.
3692 (cxx_eval_call_expression): Adjust get_fundef_copy caller.
3693 (cxx_eval_conditional_expression): For IF_STMT, allow then or else
3694 operands to be NULL.
3695 (label_matches): Handle BREAK_STMT and CONTINUE_STMT.
3696 (cxx_eval_loop_expr): Add support for FOR_STMT, WHILE_STMT and DO_STMT.
3697 (cxx_eval_switch_expr): Add support for SWITCH_STMT.
3698 (cxx_eval_constant_expression): Handle IF_STMT, FOR_STMT, WHILE_STMT,
3699 DO_STMT, CONTINUE_STMT, SWITCH_STMT, BREAK_STMT and CONTINUE_STMT.
3700 For SIZEOF_EXPR, recurse on the result of fold_sizeof_expr. Ignore
3701 DECL_EXPR with USING_DECL operand.
3702 * lambda.c (maybe_add_lambda_conv_op): Build thisarg using
3703 build_int_cst to make it a valid constant expression.
3705 2019-02-20 Jason Merrill <jason@redhat.com>
3707 PR c++/88690 - C++17 ICE with empty base in aggregate.
3708 * typeck2.c (process_init_constructor_record): Skip trivial
3709 initialization of an empty base.
3711 2019-02-21 Richard Biener <rguenther@suse.de>
3714 * vtable-class-hierarchy.c (vtv_generate_init_routine): Do not
3715 make symtab process new functions here.
3717 2019-02-20 Jason Merrill <jason@redhat.com>
3719 PR c++/87921 - wrong error with inline static data member.
3720 * decl2.c (finish_static_data_member_decl): Don't set DECL_IN_AGGR_P
3721 for a non-template inline variable. Do nothing for an
3722 already-instantiated variable.
3723 (c_parse_final_cleanups): Check DECL_IN_AGGR_P without
3725 * decl.c (check_initializer): Likewise.
3726 (make_rtl_for_nonlocal_decl): Likewise.
3727 * pt.c (instantiate_decl): Likewise.
3728 * typeck2.c (store_init_value): Likewise.
3730 2019-02-20 Jakub Jelinek <jakub@redhat.com>
3733 * decl2.c (c_parse_final_cleanups): Move TREE_ASM_WRITTEN setting
3734 for flag_syntax_only from here...
3735 * semantics.c (expand_or_defer_fn_1): ... here.
3738 * decl.c (maybe_commonize_var): When clearing TREE_PUBLIC and
3739 DECL_COMMON, set DECL_INTERFACE_KNOWN.
3742 * constexpr.c (cxx_eval_store_expression): Diagnose changing of active
3743 union member for -std=c++17 and earlier.
3745 2019-02-19 Jason Merrill <jason@redhat.com>
3747 PR c++/87513 - 'sorry' mangling PMF template-id.
3748 * mangle.c (write_expression): Handle SCOPE_REF to BASELINK.
3750 2019-02-19 Jason Merrill <jason@redhat.com>
3752 PR c++/88380 - wrong-code with flexible array and NSDMI.
3753 * typeck2.c (process_init_constructor_record): Skip flexarrays.
3755 2019-02-20 will wray <wjwray@gmail.com>
3757 PR c++/88572 - wrong handling of braces on scalar init.
3758 * decl.c (reshape_init_r): Allow braces around scalar initializer
3759 within aggregate init. Reject double braced-init of scalar
3762 2019-02-20 Paolo Carlini <paolo.carlini@oracle.com>
3765 * pt.c (tsubst_init): Diagnose an initializer expanding to an
3766 empty list of expressions; tweak wrt dependent types.
3767 (regenerate_decl_from_template): For VAR_DECLs call tsubst_init
3768 instead of tsubst_expr.
3770 2019-02-19 Jason Merrill <jason@redhat.com>
3772 PR c++/88368 - wrong 'use of deleted function'
3773 * method.c (walk_field_subobs): Remember errors from get_nsdmi.
3774 (get_defaulted_eh_spec): Call push_tinst_level.
3775 * pt.c (maybe_instantiate_noexcept): Keep error_mark_node.
3776 * typeck2.c (merge_exception_specifiers): Handle error_mark_node.
3778 2019-02-19 Chung-Lin Tang <cltang@codesourcery.com>
3781 * parser.c (cp_parser_oacc_clause_wait): Add representation of wait
3782 clause without argument as 'wait (GOMP_ASYNC_NOVAL)', adjust comments.
3784 2019-02-19 Jakub Jelinek <jakub@redhat.com>
3787 * lambda.c (maybe_generic_this_capture): Don't check
3788 DECL_NONSTATIC_MEMBER_FUNCTION_P on USING_DECLs.
3791 * typeck.c (build_reinterpret_cast_1): Don't handle void to
3792 && conversion go through build_target_expr_with_type.
3795 * error.c (qualified_name_lookup_error): Only call
3796 suggest_alternative_in_scoped_enum if name is IDENTIFIER_NODE.
3798 2019-02-19 Tom Honermann <tom@honermann.net>
3800 * name-lookup.c (get_std_name_hint): Added u8string as a name hint.
3802 2019-02-18 Jason Merrill <jason@redhat.com>
3804 PR c++/89336 - multiple stores in constexpr stmt.
3805 * constexpr.c (cxx_eval_store_expression): Preevaluate scalar or
3808 * pt.c (check_explicit_specialization): If the declarator is a
3809 template-id, only check whether the arguments are dependent.
3811 Improve duplicate [[likely]] diagnostic.
3812 * parser.c (cp_parser_statement): Make attrs_loc a range. Pass it
3813 to process_stmt_hotness_attribute.
3814 * cp-gimplify.c (process_stmt_hotness_attribute): Take attrs_loc.
3815 (genericize_if_stmt): Use likely/unlikely instead of predictor_name.
3817 2019-02-17 Marek Polacek <polacek@redhat.com>
3819 PR c++/89217 - ICE with list-initialization in range-based for loop.
3820 * constexpr.c (unshare_constructor): No longer static.
3821 * cp-tree.h (unshare_constructor): Declare.
3822 * semantics.c (finish_compound_literal): When dealing with a
3823 non-dependent expression in a template, return the original
3824 expression. Pass LOOKUP_NO_NARROWING to digest_init_flags.
3826 2019-02-13 Marek Polacek <polacek@redhat.com>
3828 PR c++/89297 - ICE with OVERLOAD in template.
3829 * semantics.c (finish_compound_literal): Call
3830 instantiate_non_dependent_expr_sfinae.
3832 2019-02-13 Alexandre Oliva <aoliva@redhat.com>
3835 * cp-tree.h (USING_DECL_SCOPE): Use result rather than type.
3836 * name-lookup.c (strip_using_decl): Use USING_DECL_SCOPE.
3837 * search.c (protected_accessible_p): Follow USING_DECL_DECLS.
3838 (shared_member_p): Likewise.
3839 (lookup_member): Likewise.
3840 * decl.c (grok_special_member_properties): Skip USING_DECLs.
3841 * semantics.c (finish_omp_declare_simd_methods): Likewise.
3842 (finish_qualified_id_expr): Do not call shared_member_p with
3846 * pt.c (tsubst_lambda_expr): Avoid duplicate tsubsting.
3847 Move cp_evaluated resetting before signature tsubsting.
3848 (gen_elem_of_pack_expansion_instantiation): Separate local
3849 specializations per index.
3851 2019-02-13 David Malcolm <dmalcolm@redhat.com>
3854 * class.c (add_method): Drop destructor assertion.
3856 2019-02-13 Paolo Carlini <paolo.carlini@oracle.com>
3859 * decl.c (make_typename_type): Allow for TYPE_PACK_EXPANSION as
3860 context (the first argument).
3861 * pt.c (tsubst, case TYPENAME_TYPE): Handle TYPE_PACK_EXPANSION
3864 2019-02-12 Jason Merrill <jason@redhat.com>
3866 PR c++/89144 - link error with constexpr initializer_list.
3867 * call.c (convert_like_real) [ck_list]: Don't allocate a temporary
3868 array for an empty list.
3869 * typeck2.c (store_init_value): Don't use cxx_constant_init in a
3872 2019-02-11 Jason Merrill <jason@redhat.com>
3874 PR c++/89241 - ICE with __func__ in lambda in template.
3875 * pt.c (enclosing_instantiation_of): Also check
3876 instantiated_lambda_fn_p for the template context.
3878 2019-02-11 Marek Polacek <polacek@redhat.com>
3880 PR c++/89212 - ICE converting nullptr to pointer-to-member-function.
3881 * pt.c (tsubst_copy_and_build) <case CONSTRUCTOR>: Return early for
3882 null member pointer value.
3884 2019-02-11 Jakub Jelinek <jakub@redhat.com>
3887 * pt.c (convert_nontype_argument): Pass true as manifestly_const_eval
3888 to maybe_constant_value calls.
3890 2019-02-11 Marek Polacek <polacek@redhat.com>
3892 * typeck2.c (digest_init_r): Remove commented code.
3894 2019-02-11 Martin Sebor <msebor@redhat.com>
3897 * decl.c (compute_array_index_type_loc): Preserve signed sizes
3898 for diagnostics. Call valid_array_size_p instead of error.
3899 * init.c (build_new_1): Compute size for diagnostic. Call
3900 invalid_array_size_error
3901 (build_new): Call valid_array_size_p instead of error.
3903 2019-02-07 Alexandre Oliva <aoliva@redhat.com>
3906 * call.c (compare_ics): Deal with ck_aggr in either cs.
3908 2019-02-06 David Malcolm <dmalcolm@redhat.com>
3911 * call.c (get_location_for_expr_unwinding_for_system_header): New
3913 (conversion_null_warnings): Use it when getting locations for
3914 EXPR, effectively adding a call to
3915 get_location_for_expr_unwinding_for_system_header for
3916 -Wconversion-null and making use of EXPR_LOCATION for
3917 -Wzero-as-null-pointer-constant.
3919 2019-02-05 Jakub Jelinek <jakub@redhat.com>
3922 * optimize.c (maybe_thunk_body): Clear TREE_ADDRESSABLE on
3923 PARM_DECLs of the thunk.
3924 * lambda.c (maybe_add_lambda_conv_op): Likewise.
3926 2019-02-05 Marek Polacek <polacek@redhat.com>
3928 PR c++/89158 - by-value capture of constexpr variable broken.
3929 * call.c (convert_like_real) <case ck_user>: Call mark_exp_read
3930 instead of mark_rvalue_use.
3932 2019-02-05 Alexandre Oliva <aoliva@redhat.com>
3935 * pt.c (instantiates_primary_template_p): New.
3936 (type_dependent_expression_p): Use it.
3938 2019-02-01 Jason Merrill <jason@redhat.com>
3940 PR c++/88761 - ICE with reference capture of constant.
3941 * lambda.c (mark_const_cap_r): Do walk subtrees of DECL_EXPR for
3944 2019-02-01 Marek Polacek <polacek@redhat.com>
3946 PR c++/88325 - ICE with invalid out-of-line template member definition.
3947 * parser.c (cp_parser_class_name): Don't call make_typename_type
3950 2019-02-01 Jakub Jelinek <jakub@redhat.com>
3953 * parser.c (cp_parser_gnu_attributes_opt): Set ok to false
3954 if require_open failed.
3956 2019-01-31 Marek Polacek <polacek@redhat.com>
3958 PR c++/89083, c++/80864 - ICE with list initialization in template.
3959 * constexpr.c (adjust_temp_type): Use copy_node and change the type
3960 instead of using build_constructor.
3961 * decl.c (reshape_init_r): Don't reshape a digested initializer.
3962 Return the initializer for COMPOUND_LITERAL_P.
3964 PR c++/88983 - ICE with switch in constexpr function.
3965 * constexpr.c (cxx_eval_switch_expr): Use SWITCH_COND and SWITCH_BODY.
3966 (cxx_eval_constant_expression) <case COND_EXPR>: Don't look for the
3967 label in the else branch if we found it in the then branch.
3969 2019-01-30 Jason Merrill <jason@redhat.com>
3971 PR c++/88752 - ICE with lambda and constexpr if.
3972 * cp-tree.h (LAMBDA_EXPR_INSTANTIATED): New.
3973 * pt.c (tsubst_lambda_expr): Set it.
3974 (instantiated_lambda_fn_p): Check it.
3975 (enclosing_instantiation_of): Use it.
3977 2019-01-31 Jakub Jelinek <jakub@redhat.com>
3980 * cxx-pretty-print.c (pp_cxx_enumeration_constant): Print always as
3981 a C cast in pp_c_flag_gnu_v3 mode.
3983 2019-01-30 Jakub Jelinek <jakub@redhat.com>
3986 * lambda.c (is_capture_proxy): Don't return true for
3987 DECL_OMP_PRIVATIZED_MEMBER artificial vars.
3989 2019-01-30 Marek Polacek <polacek@redhat.com>
3991 PR c++/89119 - ICE with value-initialization in template.
3992 * pt.c (tsubst_copy_and_build): Handle RANGE_EXPR.
3994 2019-01-29 Jason Merrill <jason@redhat.com>
3996 PR c++/86943 - wrong code converting lambda to function pointer.
3997 * lambda.c (maybe_add_lambda_conv_op): Use a template-id in the
3998 call. Only forward parms for decltype.
3999 * pt.c (tsubst_copy_and_build) [CALL_EXPR]: Handle CALL_FROM_THUNK_P
4001 * typeck.c (check_return_expr): Don't mess with a thunk call.
4003 2019-01-28 Jason Merrill <jason@redhat.com>
4005 PR c++/89089 - ICE with [[no_unique_address]].
4006 PR c++/88865 - wrong layout with [[no_unique_address]].
4007 * class.c (check_field_decls): A potentially-overlapping field makes
4008 the class non-layout-POD, but not non-empty.
4009 (end_of_class): Always consider empty data members.
4010 (layout_class_type): Set DECL_SIZE for empty fields.
4012 2019-01-28 Marek Polacek <polacek@redhat.com>
4014 PR c++/88358 - name wrongly treated as type.
4015 * parser.c (cp_parser_direct_declarator): Don't assume a qualified-id
4016 in parameter-list is a type if the function's declarator-id is not
4019 2019-01-27 Marek Polacek <polacek@redhat.com>
4021 PR c++/88815 - narrowing conversion lost in decltype.
4022 PR c++/78244 - narrowing conversion in template not detected.
4023 * cp-tree.h (CONSTRUCTOR_IS_DEPENDENT): New.
4024 * pt.c (instantiation_dependent_r): Consider a CONSTRUCTOR with
4025 CONSTRUCTOR_IS_DEPENDENT instantiation-dependent.
4026 * semantics.c (finish_compound_literal): When the compound literal
4027 isn't instantiation-dependent and the type isn't type-dependent,
4028 fall back to the normal processing. Set CONSTRUCTOR_IS_DEPENDENT.
4030 PR c++/89024 - ICE with incomplete enum type.
4031 * call.c (standard_conversion): When converting an
4032 ARITHMETIC_TYPE_P to an incomplete type, return NULL.
4034 2019-01-25 Paolo Carlini <paolo.carlini@oracle.com>
4037 * call.c (build_op_delete_call): Implement 7.6.2.5/(10.1).
4038 * decl2.c (coerce_delete_type): Use build_pointer_type instead
4041 2019-01-24 Jason Merrill <jason@redhat.com>
4043 PR c++/89001 - mangling of reference temporaries
4044 * cp-tree.h (struct saved_scope): Add ref_temp_count.
4045 (current_ref_temp_count): New macro.
4046 * mangle.c (mangle_ref_init_variable): Use it.
4047 * typeck2.c (store_init_value): Clear it.
4048 * call.c (make_temporary_var_for_ref_to_temp): Copy public and
4051 2019-01-24 Jakub Jelinek <jakub@redhat.com>
4054 * semantics.c (finish_omp_cancel): Diagnose more than one if
4055 on #pragma omp cancel with different modifiers. Use
4056 maybe_convert_cond when not in template or build_x_binary_op
4059 2019-01-23 Marek Polacek <polacek@redhat.com>
4061 PR c++/88757 - qualified name treated wrongly as type.
4062 * parser.c (cp_parser_direct_declarator): Don't treat qualified-ids
4063 in parameter-list as types if name lookup for declarator-id didn't
4064 find one or more function templates.
4066 2019-01-23 Jakub Jelinek <jakub@redhat.com>
4069 * cp-gimplify.c (genericize_cp_loop): Call begin_bc_block only
4070 after genericizing cond and incr expressions.
4073 * cp-gimplify.c (genericize_switch_stmt): Move cond genericization
4074 before the begin_bc_block call.
4076 2019-01-21 Jason Merrill <jason@redhat.com>
4078 PR c++/87893 - constexpr ctor ICE on ARM.
4079 PR c++/88293 - ICE with comma expression.
4080 * constexpr.c (initialized_type): Don't shortcut non-void type.
4081 Handle COMPOUND_EXPR.
4082 (cxx_eval_outermost_constant_expr): Return early for void type.
4084 2019-01-21 Jakub Jelinek <jakub@redhat.com>
4087 * optimize.c (cxx_copy_decl): New function.
4088 (clone_body): Use it instead of copy_decl_no_change.
4091 * typeck.c (cp_build_binary_op): Don't instrument
4092 SANITIZE_POINTER_COMPARE if processing_template_decl.
4093 (pointer_diff): Similarly for SANITIZE_POINTER_SUBTRACT.
4095 2019-01-18 Jason Merrill <jason@redhat.com>
4097 PR c++/88875 - error with explicit list constructor.
4098 * call.c (reference_binding): Don't modify EXPR. Set
4099 need_temporary_p on the ck_user conversion for a temporary.
4100 (convert_like_real): Check it.
4102 2019-01-18 H.J. Lu <hongjiu.lu@intel.com>
4106 * call.c (convert_for_arg_passing): Upate the
4107 warn_for_address_or_pointer_of_packed_member call.
4108 * typeck.c (convert_for_assignment): Likewise.
4110 2019-01-17 Jason Merrill <jason@redhat.com>
4112 PR c++/86205 - ICE with ?: of throw and template-id.
4113 * pt.c (resolve_nondeduced_context_or_error): Split out from...
4114 * typeck.c (decay_conversion): ...here.
4115 * call.c (build_conditional_expr_1): Use it.
4117 PR c++/86740, ICE with constexpr if and nested generic lambdas.
4118 * tree.c (cp_walk_subtrees): Handle LAMBDA_EXPR.
4120 2019-01-17 Paolo Carlini <paolo.carlini@oracle.com>
4122 * decl.c (grokdeclarator): Use typespec_loc in error messages
4123 about 'auto' and trailing return type.
4125 2019-01-17 David Malcolm <dmalcolm@redhat.com>
4128 * class.c (add_method): Don't use DECL_DESTRUCTOR_P on
4131 2019-01-17 Nathan Sidwell <nathan@acm.org>
4134 * semantics.c (process_outer_var_ref): Only skip dependent types
4137 2019-01-17 Alexandre Oliva <aoliva@redhat.com>
4140 * cp-tree.h (saved_scope): Add suppress_location_wrappers.
4141 * name-lookup.c (do_push_to_top_level): Save and reset it.
4142 (do_pop_from_top_level): Restore it.
4145 * pt.c (make_template_placeholder): Use auto_identifier.
4146 (is_auto): Drop CLASS_PLACEHOLDER_TEMPLATE test.
4147 * error.c (dump_type): Handle template placeholders.
4148 * cxx-pretty-print.c (pp_cx_unqualified_id): Likewise.
4151 * cvt.c (convert_to_void): Handle all cdtor calls as if
4154 2019-01-16 Paolo Carlini <paolo.carlini@oracle.com>
4156 * decl.c (grokdeclarator): Use locations[ds_storage_class] in
4157 error messages about ill-formed uses of mutable.
4159 2019-01-16 Marek Polacek <polacek@redhat.com>
4161 PR c++/78244 - narrowing conversion in template not detected.
4162 * call.c (perform_implicit_conversion_flags): Set
4163 IMPLICIT_CONV_EXPR_BRACED_INIT.
4164 * cp-tree.h (IMPLICIT_CONV_EXPR_BRACED_INIT): New.
4165 * pt.c (tsubst_copy_and_build): Use it.
4167 2019-01-15 David Malcolm <dmalcolm@redhat.com>
4170 * pt.c (build_deduction_guide): Bail out if tsubst_arg_types
4173 2019-01-15 Paolo Carlini <paolo.carlini@oracle.com>
4175 * decl.c (start_decl): Improve error location.
4176 * decl2.c (grokfield): Likewise.
4178 2019-01-15 Paolo Carlini <paolo.carlini@oracle.com>
4180 * decl.c (grokdeclarator): Move further up the location_t loc
4181 declaration and use the location when building a TYPE_DECL for
4183 * decl2.c (grokbitfield): Use DECL_SOURCE_LOCATION in the error
4184 about an ill-formed bit-field as typedef.
4186 2019-01-14 Marek Polacek <polacek@redhat.com>
4188 PR c++/88830 - ICE with abstract class.
4189 * decl2.c (maybe_emit_vtables): Check CLASSTYPE_LAZY_DESTRUCTOR.
4192 PR c++/88825 - ICE with bogus function return type deduction.
4193 * typeck.c (can_do_nrvo_p): Check error_mark_node.
4195 2019-01-14 Tom Honermann <tom@honermann.net>
4197 Implement P0482R5, char8_t: A type for UTF-8 characters and strings
4198 * cvt.c (type_promotes_to): Handle char8_t promotion.
4199 * decl.c (grokdeclarator): Handle invalid type specifier
4200 combinations involving char8_t.
4201 * lex.c (init_reswords): Add char8_t as a reserved word.
4202 * mangle.c (write_builtin_type): Add name mangling for char8_t (Du).
4203 * parser.c (cp_keyword_starts_decl_specifier_p)
4204 (cp_parser_simple_type_specifier): Recognize char8_t as a simple
4206 (cp_parser_string_literal): Use char8_array_type_node for the type
4208 (cp_parser_set_decl_spec_type): Tolerate char8_t typedefs in system
4210 * rtti.c (emit_support_tinfos): type_info support for char8_t.
4211 * tree.c (char_type_p): Recognize char8_t as a character type.
4212 * typeck.c (string_conv_p): Handle conversions of u8 string
4213 literals of char8_t type.
4214 (check_literal_operator_args): Handle UDLs with u8 string literals
4216 * typeck2.c (ordinary_char_type_p): New.
4217 (digest_init_r): Disallow initializing a char array with a u8 string
4220 2019-01-14 Martin Liska <mliska@suse.cz>
4222 PR gcov-profile/88263
4223 * decl2.c (get_tls_wrapper_fn): Use DECL_SOURCE_LOCATION
4224 as location of the TLS wrapper.
4226 2019-01-12 Paolo Carlini <paolo.carlini@oracle.com>
4228 * decl.c (cp_finish_decl): Improve error location.
4229 * decl2.c (grokfield): Likewise, improve two locations.
4231 2019-01-11 Marek Polacek <polacek@redhat.com>
4233 PR c++/88692, c++/87882 - -Wredundant-move false positive with *this.
4234 * typeck.c (maybe_warn_pessimizing_move): Return if ARG isn't
4237 2019-01-11 Jason Merrill <jason@redhat.com>
4239 PR c++/88312 - pack expansion of decltype.
4240 * pt.c (instantiation_dependent_r): A template non-type parameter
4241 pack is instantiation-dependent.
4243 2019-01-11 Jason Merrill <jason@redhat.com>
4245 PR c++/88613 - ICE with use of const var in lambda.
4246 * expr.c (mark_use): Fix location wrapper handling.
4247 * cp-gimplify.c (cp_fold_maybe_rvalue): Call mark_rvalue_use.
4249 2019-01-11 Tobias Burnus <burnus@net-b.de>
4252 * decl2.c (maybe_emit_vtables): If needed, generate code for
4253 the destructor of an abstract class.
4254 (mark_used): Update comment for older function-name change.
4256 2019-01-11 Paolo Carlini <paolo.carlini@oracle.com>
4258 * decl.c (start_decl): Improve error location.
4259 (grokdeclarator): Likewise, improve two locations.
4261 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
4265 * cp-tree.h: Mechanically replace "can not" with "cannot".
4266 * parser.c: Likewise.
4269 2019-01-08 Paolo Carlini <paolo.carlini@oracle.com>
4271 * decl.c (grok_reference_init): Improve error location.
4272 (grokdeclarator): Likewise, improve two locations.
4274 2019-01-08 Marek Polacek <polacek@redhat.com>
4276 PR c++/88538 - braced-init-list in template-argument-list.
4277 * parser.c (cp_parser_template_argument): Handle braced-init-list when
4280 PR c++/88548 - this accepted in static member functions.
4281 * parser.c (cp_debug_parser): Adjust printing of
4282 local_variables_forbidden_p.
4283 (cp_parser_new): Set local_variables_forbidden_p to 0 rather than false.
4284 (cp_parser_primary_expression): When checking
4285 local_variables_forbidden_p, use THIS_FORBIDDEN or
4286 LOCAL_VARS_FORBIDDEN.
4287 (cp_parser_lambda_body): Update the type of
4288 local_variables_forbidden_p. Set it to 0 rather than false.
4289 (cp_parser_condition): Adjust call to cp_parser_declarator.
4290 (cp_parser_explicit_instantiation): Likewise.
4291 (cp_parser_init_declarator): Likewise.
4292 (cp_parser_declarator): New parameter. Use it.
4293 (cp_parser_direct_declarator): New parameter. Use it to set
4294 local_variables_forbidden_p. Adjust call to cp_parser_declarator.
4295 (cp_parser_type_id_1): Adjust call to cp_parser_declarator.
4296 (cp_parser_parameter_declaration): Likewise.
4297 (cp_parser_default_argument): Update the type of
4298 local_variables_forbidden_p. Set it to LOCAL_VARS_AND_THIS_FORBIDDEN
4300 (cp_parser_member_declaration): Tell cp_parser_declarator if we saw
4301 'static' or 'friend'.
4302 (cp_parser_exception_declaration): Adjust call to cp_parser_declarator.
4303 (cp_parser_late_parsing_default_args): Update the type of
4304 local_variables_forbidden_p. Set it to LOCAL_VARS_AND_THIS_FORBIDDEN
4306 (cp_parser_cache_defarg): Adjust call to cp_parser_declarator.
4307 (cp_parser_objc_class_ivars): Likewise.
4308 (cp_parser_objc_struct_declaration): Likewise.
4309 (cp_parser_omp_for_loop_init): Likewise.
4310 * parser.h (cp_parser): Change the type of local_variables_forbidden_p
4312 (LOCAL_VARS_FORBIDDEN, LOCAL_VARS_AND_THIS_FORBIDDEN, THIS_FORBIDDEN):
4315 2019-01-08 Paolo Carlini <paolo.carlini@oracle.com>
4317 * decl.c (start_decl): Improve permerror location.
4319 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
4320 Jakub Jelinek <jakub@redhat.com>
4323 * decl.c (finish_function): For -Wreturn-type don't add a return *this;
4324 fixit hint if current_class_ref is NULL. Use a single if instead of
4327 2019-01-07 Paolo Carlini <paolo.carlini@oracle.com>
4329 * decl.c (start_decl): Improve two error_at locations.
4330 (expand_static_init): Likewise.
4332 2019-01-07 Marek Polacek <polacek@redhat.com>
4334 PR c++/88741 - wrong error with initializer-string.
4335 * decl.c (cp_complete_array_type): Strip any location wrappers.
4337 2019-01-07 Bernd Edlinger <bernd.edlinger@hotmail.de>
4343 * cp-tree.h (LOOKUP_ALLOW_FLEXARRAY_INIT): New flag value.
4344 * typeck2.c (digest_init_r): Raise an error for non-static
4345 initialization of a flexible array member.
4346 (process_init_constructor, massage_init_elt,
4347 process_init_constructor_array, process_init_constructor_record,
4348 process_init_constructor_union, process_init_constructor): Add the
4349 flags parameter and pass it thru.
4350 (store_init_value): Pass LOOKUP_ALLOW_FLEXARRAY_INIT parameter to
4351 digest_init_flags for static decls.
4353 2019-01-07 Jakub Jelinek <jakub@redhat.com>
4356 * cp-tree.h (cp_build_vec_convert): Declare.
4357 * parser.c (cp_parser_postfix_expression): Parse
4358 __builtin_convertvector.
4359 * constexpr.c: Include fold-const-call.h.
4360 (cxx_eval_internal_function): Handle IFN_VEC_CONVERT.
4361 (potential_constant_expression_1): Likewise.
4362 * semantics.c (cp_build_vec_convert): New function.
4363 * pt.c (tsubst_copy_and_build): Handle CALL_EXPR to
4366 2019-01-03 Jakub Jelinek <jakub@redhat.com>
4369 * decl.c (builtin_function_1): Return result of pushdecl_top_level
4370 or pushdecl rather than decl.
4372 2019-01-03 Paolo Carlini <paolo.carlini@oracle.com>
4374 * tree.c (handle_nodiscard_attribute): Improve warning location.
4376 2019-01-02 Marek Polacek <polacek@redhat.com>
4378 PR c++/88612 - ICE with -Waddress-of-packed-member.
4379 * call.c (convert_for_arg_passing): Only give warnings with tf_warning.
4380 * typeck.c (convert_for_assignment): Likewise.
4382 PR c++/88631 - CTAD failing for value-initialization.
4383 * typeck2.c (build_functional_cast): Try deducing the template
4384 arguments even if there are no arguments to deduce from.
4386 2019-01-01 Jakub Jelinek <jakub@redhat.com>
4388 Update copyright years.
4390 Copyright (C) 2019 Free Software Foundation, Inc.
4392 Copying and distribution of this file, with or without modification,
4393 are permitted in any medium without royalty provided the copyright
4394 notice and this notice are preserved.