1 2019-12-02 Jakub Jelinek <jakub@redhat.com>
4 * constexpr.c (cxx_eval_constant_expression) <case OBJ_TYPE_REF>: Use
5 STRIP_NOPS before checking for ADDR_EXPR.
7 2019-11-29 Jakub Jelinek <jakub@redhat.com>
10 * parser.c (cp_parser_omp_declare_reduction_exprs): If
11 processing_template_decl, wrap the combiner or initializer
13 * decl.c (start_preparsed_function): Don't start a lambda scope
14 for DECL_OMP_DECLARE_REDUCTION_P functions.
15 (finish_function): Don't finish a lambda scope for
16 DECL_OMP_DECLARE_REDUCTION_P functions, nor cp_fold_function
17 them nor cp_genericize them.
18 * mangle.c (decl_mangling_context): Look through
19 DECL_OMP_DECLARE_REDUCTION_P functions.
20 * semantics.c (expand_or_defer_fn_1): For DECL_OMP_DECLARE_REDUCTION_P
21 functions, use tentative linkage, don't keep their bodies with
22 -fkeep-inline-functions and return false at the end.
24 2019-11-28 Jakub Jelinek <jakub@redhat.com>
27 * decl2.c (mark_used): Don't call note_vague_linkage_fn for pure
28 virtual functions, even if they are declared inline.
30 2019-11-16 Jason Merrill <jason@redhat.com>
32 Implement P1814R0, CTAD for alias templates.
33 * pt.c (rewrite_tparm_list): Factor out of build_deduction_guide.
34 (maybe_aggr_guide): Check for copy-init here.
35 (alias_ctad_tweaks, deduction_guides_for): New.
36 (ctor_deduction_guides_for): Factor out of do_class_deduction.
37 (ctad_template_p): New.
38 * parser.c (cp_parser_simple_type_specifier): Use it.
39 * constraint.cc (append_constraint): New.
41 2019-11-16 Jason Merrill <jason@redhat.com>
43 * cxx-pretty-print.c (pp_cxx_unqualified_id): Handle alias
45 * pt.c (complex_alias_template_p): True if constraints.
46 (get_underlying_template, tsubst): Check alias constraints.
47 (push_template_decl_real): Set alias constraints here.
48 * parser.c (cp_parser_alias_declaration): Not here.
49 * constraint.cc (get_constraints): Take const_tree.
51 2019-11-12 Jason Merrill <jason@redhat.com>
53 PR c++/92206 - ICE with typedef to dependent alias.
54 * pt.c (dependent_alias_template_spec_p)
55 (alias_template_specialization_p): Add transparent_typedefs
57 (iterative_hash_template_arg, any_template_parm_r)
58 (primary_template_specialization_p, tsubst, dependent_type_p_r):
60 * decl.c (check_elaborated_type_specifier): Adjust.
61 * error.c (dump_template_bindings, dump_aggr_type): Adjust.
63 2019-11-27 Andrew Sutton <asutton@lock3software.com>
66 Defer evaluation of concept checks so that static assertions can
67 emit more detailed diagnostics.
68 * constexpr.c (cxx_eval_call_expression): Handle concept checks.
69 (cxx_eval_constant_expression): Diagnose misuse of function concepts
70 as template-id expressions. Follow the usual return path for results.
71 (cxx_eval_outermost_constant_expr): Avoid calling
72 cp_get_callee_fndecl_nofold for function concepts.
73 * constraint.cc (build_function_check): Fully type the concept check
74 so that we don't ICE in conversions.
75 * cp-gimplify.c (cp_genericize_r) [CALL_EXPR]: Handle concept checks.
76 [TEMPLATE_ID_EXPR] Likewise.
77 * cvt.c (convert_to_void): Always evaluate concept checks so we don't
78 accidentally ignore them. Substitution during satisfaction can make
79 a program ill-formed (example in g++.dg/cpp2a/concepts6.C).
80 * pt.c (tsubst_copy_and_build): [CALL_EXPR]: Don't evaluate concepts.
81 [TEMPLATE_ID_EXPR]: Likewise.
82 * semantics.c (finish_call_expr): Don't evaluate concepts.
83 (finish_id_expression_1): Likewise.
84 (finish_static_assert): Preserve the original condition so we can
85 diagnose concept errors when a check returns false.
87 2019-11-27 Andrew Sutton <asutton@lock3software.com>
90 Improve quality of diagnostics for subexpressions that need parens.
91 * parser.c (cp_parser_requires_clause_opt): Add a flag to indicate
92 when parsing a requires-clause before lambda parameters, and...
93 (cp_parser_lambda_declarator_opt): ... use that here ...
94 (cp_parser_type_parameter): ... and here ...
95 (cp_parser_late_return_type_opt): ... and here ...
96 (cp_parser_explicit_template_declaration): ... and here.
97 (cp_parser_diagnose_ungrouped_constraint_plain): Adjust the message
98 because this can apply to subexpressions that are not immediately
99 after a requires-clause.
100 (cp_parser_diagnose_ungrouped_constraint_rich): Likewise.
101 (primary_constraint_error): New.
102 (cp_parser_constraint_requires_parens): New.
103 (cp_parser_unary_constraint_requires_parens): New.
104 (cp_parser_constraint_primary_expression): Check for unary expressions
105 before parsing the primary expression. Also check for binary and
106 postfix operators after a successful parse of the primary expression.
107 Force a re-parse if the result would form a lower-precedence string.
108 (cp_parser_constraint_logical_and_expression): Propagate lambda flag;
109 move checks for ill-formed constraints into the constraint primary
111 (cp_parser_constraint_logical_or_expression): Likewise.
112 (cp_parser_requires_clause_expression): Propagate lambda flag.
114 2019-11-27 Andrew Sutton <asutton@lock3software.com>
117 * constraint.cc (satisfy_declaration_constraints): Push tinst levels
120 2019-11-27 Andrew Sutton <asutton@lock3software.com>
122 Diagnose certain constraint errors as hard errors, but otherwise treat
123 them the same as normal SFINAE-type errors. Also, generally clean up
124 the satisfaction functions.
126 * constexpr.c (cxx_eval_constant_expression): Use
127 evaluate_concept_check.
128 * constraint.cc (normalize_concept_definition): Accept a diagnostic
129 flag and only cache when not diagnosing errors.
130 (decl_satisfied_cache): Map to trees instead of bools.
131 (satisfy_atom): Guarantee a location for the errors, propagate complain
132 flags to force_rvalue, and emit errors for non-boolean constraints.
133 (get_normalized_constraints_and_args): New overloads. Factored out of
134 satisfy_constraint_expression and satisfy_declaration_constraints.
135 (satisfy_constraint_expression): Propagate diagnostic info to
137 (satisfy_declaration_constraints): New. Factored out of
138 constraints_satisfied_p.
139 (constraint_satisfaction_value): New. Calls
140 satisfy_constraint_expression or satisfy_declaration_constraints.
141 (constraints_satisfied_p): Call constraint_satisfaction_value.
142 (evaluate_concept_check): Don't take tsubst_falgs_t. Replay
143 satisfaction if an error is encountered.
144 (current_failed_constraint): Moved from pt.c.
145 (diagnose_constraints): Call constraint_satisfaction_value.
146 * cp-tree.h: Update declarations.
147 * pt.c (current_failed_constraint): Moved to constraint.cc.
148 * semantics.c (finish_id_expression_1): Remove a duplicate case.
150 2019-11-27 Jakub Jelinek <jakub@redhat.com>
153 * tree.c (replace_placeholders_r): Don't walk constructor elts with
156 2019-11-26 Jason Merrill <jason@redhat.com>
158 * pt.c (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: Remember the
159 location of a variable template-id.
160 * constexpr.c (cxx_eval_constant_expression): Get expr location
161 before stripping location wrappers.
162 (non_const_var_error): Take location argument.
164 2019-11-26 Paolo Carlini <paolo.carlini@oracle.com>
166 * typeck.c (cp_build_unary_op): Consistently use the accurate
167 location in seven additional diagnostic messages.
168 (cp_build_compound_expr): Use cp_expr_loc_or_input_loc in one place.
170 2019-11-26 Jakub Jelinek <jakub@redhat.com>
173 * parser.c (cp_parser_std_attribute): For unknown attributes,
174 skip balanced token seq instead of trying to parse
175 attribute-argument-clause as expression list. Formatting fix.
178 * class.c (enum_to_min_precision): New hash_map.
179 (enum_min_precision): New function.
180 (check_bitfield_decl): Use it.
182 2019-11-25 Paolo Carlini <paolo.carlini@oracle.com>
184 * typeck.c (cp_build_indirect_ref_1): Add location_t parameter
185 and use it in error messages.
186 (build_x_indirect_ref): Adjust call.
187 (build_indirect_ref): Likewise.
188 (cp_build_fold_indirect_ref): Likewise.
189 (cp_build_array_ref): Likewise.
190 * call.c (build_new_op_1): Likewise.
191 * semantics.c (finish_omp_clauses): Likewise.
192 (finish_omp_depobj): Likewise.
193 * typeck2.c (build_x_arrow): Likewise.
194 * cp-tree.h (cp_build_indirect_ref): Update declaration.
196 * call.c (build_new_op_1): Use location argument in warning_at.
198 * typeck.c (cp_build_modify_expr): Consistently use the
201 2019-11-23 Bernd Edlinger <bernd.edlinger@hotmail.de>
204 * name-lookup.c (check_local_shadow): Use can_convert_arg
205 instead of can_convert.
207 2019-11-22 Marek Polacek <polacek@redhat.com>
209 PR c++/88337 - P1327R1: Allow polymorphic typeid in constexpr.
210 * constexpr.c (potential_constant_expression_1): Allow a typeid
211 expression whose operand is of polymorphic type in constexpr in
213 * rtti.c (build_typeid): Remove obsolete FIXME comment.
215 2019-11-22 Jakub Jelinek <jakub@redhat.com>
218 * cp-objcp-common.c (identifier_global_tag): Define.
221 * init.c (nsdmi_inst): Change type to
222 decl_tree_cache_map * from tree_cache_map *.
223 * constraint.cc (decl_constraints): Likewise.
224 * decl.c (get_tuple_decomp_init): Likewise.
225 * pt.c (defarg_inst, explicit_specifier_map): Likewise.
226 (tsubst_default_argument, store_explicit_specifier): Use
227 decl_tree_cache_map::create_ggc rather than
228 tree_cache_map::create_ggc.
229 * cp-objcp-common.c (debug_type_map): Change type to
230 type_tree_cache_map * from tree_cache_map *.
232 2019-11-21 Marek Polacek <polacek@redhat.com>
234 PR c++/92450 - ICE with invalid nested name specifier.
235 * parser.c (cp_parser_member_declaration): Don't attempt to print
236 erroneous bit-field diagnostic if grokdeclarator returns
239 2019-11-21 Jakub Jelinek <jakub@redhat.com>
240 Jason Merrill <jason@redhat.com>
243 * parser.c (cp_parser_decl_specifier_seq): For concept or typedef
244 break early if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR.
245 For type specifiers, set CP_PARSER_FLAGS_NO_TYPE_DEFINITIONS
246 if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR is set.
248 2019-11-20 Paolo Carlini <paolo.carlini@oracle.com>
250 * typeck2.c (build_x_arrow): Early return if decay_conversion
251 returns error_mark_node.
253 2019-11-20 Jakub Jelinek <jakub@redhat.com>
256 * call.c (complain_about_no_candidates_for_method_call): If
257 conv->from is not a type, pass to complain_about_bad_argument
258 lvalue_type of conv->from.
260 2019-11-20 Paolo Carlini <paolo.carlini@oracle.com>
262 * cvt.c (ocp_convert): Use additional warning sentinel.
264 2019-11-19 Jakub Jelinek <jakub@redhat.com>
267 * constexpr.c (cxx_eval_outermost_constant_expr): If DECL_INITIAL
268 on object is erroneous, return t without trying to evaluate
271 2019-11-12 Jason Merrill <jason@redhat.com>
273 * call.c (same_fn_or_template): Change to cand_parms_match.
275 (print_z_candidate): Mark rewritten/reversed candidates.
276 (build_new_op_1): Warn about recursive call with reversed arguments.
278 2019-11-15 Andrew Sutton <asutton@lock3software.com>
281 * pt.c (get_underlying_template): Exit loop if the original type
282 of the alias is null.
284 2019-11-19 Andrew Sutton <asutton@lock3software.com>
287 * pt.c (maybe_new_partial_specialization): Apply access to newly
288 created partial specializations. Update comment style.
290 2019-11-19 Andrew Sutton <asutton@lock3software.com>
293 * pt.c (maybe_new_partial_specialization): Apply access to newly
294 created partial specializations. Update comment style.
296 2019-11-19 Andrew Sutton <asutton@lock3software.com>
299 Suppress diagnostics substituting into a requires-expression.
300 * pt.c (tsubst_copy_and_build): Perform the first substitution without
301 diagnostics and a second only if tsubst_requries_expr returns an error.
303 2019-11-19 Jakub Jelinek <jakub@redhat.com>
306 * semantics.c (handle_omp_for_class_iterator): Don't call
307 cp_fully_fold on cond.
309 2019-11-18 Paolo Carlini <paolo.carlini@oracle.com>
311 * typeck.c (cp_build_addr_expr_1): Use cp_expr_loc_or_input_loc
313 (cxx_sizeof_expr): Use it in one additional place.
314 (cxx_alignof_expr): Likewise.
315 (lvalue_or_else): Likewise.
317 2019-11-18 Marek Polacek <polacek@redhat.com>
319 PR c++/91962 - ICE with reference binding and qualification conversion.
320 * call.c (convert_like_real) <case ck_ref_bind>: Check need_temporary_p.
322 2019-11-17 Jakub Jelinek <jakub@redhat.com>
324 * method.c (lookup_comparison_result): Use %qD instead of %<%T::%D%>
326 (lookup_comparison_category): Use %qD instead of %<std::%D%> to print
329 2019-11-15 Paolo Carlini <paolo.carlini@oracle.com>
331 * typeck.c (cp_truthvalue_conversion): Add tsubst_flags_t parameter
332 and use it in calls; also pass the location_t of the expression to
333 cp_build_binary_op and c_common_truthvalue_conversion.
334 * rtti.c (build_dynamic_cast_1): Adjust call.
335 * cvt.c (ocp_convert): Likewise.
336 * cp-gimplify.c (cp_fold): Likewise.
337 * cp-tree.h (cp_truthvalue_conversion): Update declaration.
339 2019-11-14 Jason Merrill <jason@redhat.com>
341 Implement P1816R0, class template argument deduction for aggregates.
342 * pt.c (maybe_aggr_guide, collect_ctor_idx_types): New.
343 (is_spec_or_derived): Split out from do_class_deduction.
344 (build_deduction_guide): Handle aggregate guide.
345 * class.c (finish_struct): Set CLASSTYPE_NON_AGGREGATE in a
347 * cp-tree.h (CP_AGGREGATE_TYPE_P): An incomplete class is not an
350 2019-11-14 Richard Sandiford <richard.sandiford@arm.com>
352 * call.c (build_conditional_expr_1): Use truth_type_for instead
353 of build_same_sized_truth_vector_type.
354 * typeck.c (build_vec_cmp): Likewise.
356 2019-11-14 Jakub Jelinek <jakub@redhat.com>
358 * parser.c (cp_parser_omp_context_selector): Don't require score
359 argument to fit into shwi, just to be INTEGER_CST. Diagnose
361 * pt.c (tsubst_attribute): Likewise.
363 * parser.c (cp_parser_omp_context_selector): Rename
364 CTX_PROPERTY_IDLIST to CTX_PROPERTY_NAME_LIST, add CTX_PROPERTY_ID.
365 Use CTX_PROPERTY_ID for atomic_default_mem_order, only allow a single
366 identifier in that. For CTX_PROPERTY_NAME_LIST, allow identifiers
368 * pt.c (tsubst_attribute): Fix up STRING_CST handling if allow_string.
370 2019-11-13 Marek Polacek <polacek@redhat.com>
372 PR c++/89070 - bogus [[nodiscard]] warning in SFINAE.
373 * cvt.c (convert_to_void): Guard maybe_warn_nodiscard calls with
376 2019-11-13 Richard Sandiford <richard.sandiford@arm.com>
379 * cp-tree.h (STF_STRIP_DEPENDENT): New constant.
380 * tree.c (strip_typedefs): Add STF_STRIP_DEPENDENT to the flags
381 when calling strip_typedefs recursively on a DECL_ORIGINAL_TYPE.
382 Don't apply the fix for DR1558 in that case; allow aliases with
383 dependent template parameters to be stripped instead.
385 2019-11-12 Nathan Sidwell <nathan@acm.org>
387 * name-lookup.c (lookup_using_decl): New function, merged from ...
388 (do_class_using_decl): ... here. Call it. And ...
389 (finish_nonmember_using_decl): ... here. Call it.
391 2019-11-12 Martin Liska <mliska@suse.cz>
393 * name-lookup.c: Do not include params.h.
394 * typeck.c: Likewise.
396 2019-11-12 Martin Liska <mliska@suse.cz>
398 * name-lookup.c (namespace_hints::namespace_hints): Replace old
399 parameter syntax with the new one, include opts.h if needed. Use
400 SET_OPTION_IF_UNSET macro.
401 * typeck.c (comptypes): Likewise.
403 2019-11-12 Maciej W. Rozycki <macro@codesourcery.com>
404 Frederik Harwath <frederik@codesourcery.com>
407 * constexpr.c (potential_constant_expression_1): Handle
409 * parser.c (OACC_SERIAL_CLAUSE_MASK): New macro.
410 (cp_parser_oacc_kernels_parallel): Rename function to...
411 (cp_parser_oacc_compute): ... this. Handle PRAGMA_OACC_SERIAL.
412 (cp_parser_omp_construct): Update accordingly.
413 (cp_parser_pragma): Handle PRAGMA_OACC_SERIAL. Fix alphabetic
415 * pt.c (tsubst_expr): Handle OACC_SERIAL.
417 2019-11-11 Jason Merrill <jason@redhat.com>
419 Implement P1946R0, Allow defaulting comparisons by value.
420 * method.c (early_check_defaulted_comparison): Accept by-value,
421 reject mixed by-value and by-reference parms.
422 * decl.c (grokdeclarator): Set funcdef_flag for defaulted friend.
423 * decl2.c (grokfield): Don't SET_DECL_FRIEND_CONTEXT.
425 * typeck.c (cp_build_binary_op): Sorry about <=> on VECTOR_TYPE.
427 2019-11-11 Jakub Jelinek <jakub@redhat.com>
430 * decl.c (finish_function): Move ctype initialization before
431 DECL_DELETED_FN handling.
433 * semantics.c (finish_translation_unit): Diagnose declare target
434 without corresponding end declare target.
436 2019-11-10 Jason Merrill <jason@redhat.com>
438 Implement D1957R0, T* to bool should be considered narrowing.
439 * typeck2.c (check_narrowing): Treat pointer->bool as a narrowing
440 conversion with -std=c++2a.
442 2019-11-08 Marek Polacek <polacek@redhat.com>
444 PR c++/92215 - flawed diagnostic for bit-field with non-integral type.
445 * parser.c (cp_parser_member_declaration): Add a diagnostic for
446 bit-fields with non-integral types.
448 2019-11-08 Jakub Jelinek <jakub@redhat.com>
450 * init.c (build_vec_delete_1): Fix a comment typo - mist -> must.
452 2019-11-07 Jason Merrill <jason@redhat.com>
454 Implement D1959R0, remove weak_equality and strong_equality.
455 * method.c (enum comp_cat_tag, comp_cat_info): Remove *_equality.
456 (genericize_spaceship, common_comparison_type): Likewise.
457 * typeck.c (cp_build_binary_op): Move SPACESHIP_EXPR to be with the
458 relational operators, exclude other types no longer supported.
460 2019-11-06 Jason Merrill <jason@redhat.com>
462 Implement D1907R1 "structural type".
463 * tree.c (structural_type_p): New.
464 * pt.c (invalid_nontype_parm_type_p): Use it.
465 * class.c (build_base_field_1): Take binfo. Copy TREE_PRIVATE.
466 (build_base_field): Pass binfo.
468 PR c++/92150 - partial specialization with class NTTP.
469 * pt.c (unify): Handle VIEW_CONVERT_EXPR.
471 * pt.c (use_pack_expansion_extra_args_p): Still do substitution if
472 all packs are simple pack expansions.
473 (add_extra_args): Check that the extra args aren't dependent.
475 2019-11-06 Andrew Sutton <asutton@lock3software.com>
477 Use satisfaction with nested requirements.
478 * constraint.cc (build_parameter_mapping): Use
479 current_template_parms when the declaration is not available.
480 (norm_info::norm_info) Make explicit.
481 (normalize_constraint_expression): Factor into a separate overload
482 that takes arguments, and use that in the original function.
483 (tsubst_nested_requirement): Use satisfy_constraint instead of
484 trying to evaluate this as a constant expression.
485 (finish_nested_requirement): Keep the normalized constraint and the
486 original normalization arguments with the requirement.
487 (diagnose_nested_requirement): Use satisfy_constraint. Tentatively
488 implement more comprehensive diagnostics, but do not enable.
489 * parser.c (cp_parser_requires_expression): Relax requirement that
490 requires-expressions can live only inside templates.
491 * pt.c (any_template_parm_r): Look into type of PARM_DECL.
493 2019-11-06 Jason Merrill <jason@redhat.com>
495 C++20 NB CA378 - Remove constrained non-template functions.
496 * decl.c (grokfndecl): Reject constraints on non-templated function.
498 2019-11-06 Matthias Kretz <m.kretz@gsi.de>
500 * parser.c (cp_parser_operator): Parse operator?: as an
501 attempt to overload the conditional operator.
503 2019-11-05 Jason Merrill <jason@redhat.com>
505 Implement C++20 operator<=>.
506 * cp-tree.h (struct lang_decl_fn): Add maybe_deleted bitfield.
507 (DECL_MAYBE_DELETED): New.
508 (enum special_function_kind): Add sfk_comparison.
509 (LOOKUP_REWRITTEN, LOOKUP_REVERSED): New.
510 * call.c (struct z_candidate): Add rewritten and reversed methods.
511 (add_builtin_candidate): Handle SPACESHIP_EXPR.
512 (add_builtin_candidates): Likewise.
513 (add_candidates): Don't add a reversed candidate if the parms are
515 (add_operator_candidates): Split out from build_new_op_1. Handle
516 rewritten and reversed candidates.
517 (add_candidate): Swap conversions of reversed candidate.
518 (build_new_op_1): Swap them back. Build a second operation for
519 rewritten candidates.
520 (extract_call_expr): Handle rewritten calls.
521 (same_fn_or_template): New.
522 (joust): Handle rewritten and reversed candidates.
523 * class.c (add_implicitly_declared_members): Add implicit op==.
524 (classtype_has_op, classtype_has_defaulted_op): New.
525 * constexpr.c (cxx_eval_binary_expression): Handle SPACESHIP_EXPR.
526 (cxx_eval_constant_expression, potential_constant_expression_1):
528 * cp-gimplify.c (genericize_spaceship): New.
529 (cp_genericize_r): Use it.
530 * cp-objcp-common.c (cp_common_init_ts): Handle SPACESHIP_EXPR.
531 * decl.c (finish_function): Handle deleted function.
532 * decl2.c (grokfield): SET_DECL_FRIEND_CONTEXT on defaulted friend.
533 (mark_used): Check DECL_MAYBE_DELETED. Remove assumption that
534 defaulted functions are non-static members.
535 * error.c (dump_expr): Handle SPACESHIP_EXPR.
536 * method.c (type_has_trivial_fn): False for sfk_comparison.
537 (enum comp_cat_tag, struct comp_cat_info_t): New types.
538 (comp_cat_cache): New array variable.
539 (lookup_comparison_result, lookup_comparison_category)
540 (is_cat, cat_tag_for, spaceship_comp_cat)
541 (spaceship_type, genericize_spaceship)
542 (common_comparison_type, early_check_defaulted_comparison)
543 (comp_info, build_comparison_op): New.
544 (synthesize_method): Handle sfk_comparison. Handle deleted.
545 (get_defaulted_eh_spec, maybe_explain_implicit_delete)
546 (explain_implicit_non_constexpr, implicitly_declare_fn)
547 (defaulted_late_check, defaultable_fn_check): Handle sfk_comparison.
548 * name-lookup.c (get_std_name_hint): Add comparison categories.
549 * tree.c (special_function_p): Add sfk_comparison.
550 * typeck.c (cp_build_binary_op): Handle SPACESHIP_EXPR.
552 2019-11-05 Tim van Deurzen <tim@kompiler.org>
554 Add new tree code for the spaceship operator.
555 * cp-tree.def: Add new tree code.
556 * operators.def: New binary operator.
557 * parser.c: Add new token and tree code.
559 2019-09-15 Jason Merrill <jason@redhat.com>
561 * call.c (build_new_op_1): Don't apply any standard conversions to
562 the operands of a built-in operator. Don't suppress conversions in
564 * typeck.c (cp_build_unary_op): Do integral promotions for enums.
566 2019-11-04 Jason Merrill <jason@redhat.com>
568 Use vec instead of raw array for built-in candidates.
569 * call.c (build_builtin_candidate): Take args in a vec.
570 (add_builtin_candidate, add_builtin_candidates): Likewise.
571 (build_conditional_expr_1, build_new_op_1): Adjust.
573 2019-11-04 Jason Merrill <jason@redhat.com>
575 * constexpr.c (explain_invalid_constexpr_fn): Show location of fn.
577 * pt.c (maybe_instantiate_noexcept): Only update clones if we
580 * typeck.c (contextual_conv_bool): New.
582 * name-lookup.c (lookup_qualified_name): Add wrapper overload taking
583 C string rather than identifier.
584 * parser.c (cp_parser_userdef_numeric_literal): Use it.
585 * rtti.c (emit_support_tinfos): Use it.
586 * cp-tree.h (ovl_op_identifier): Change to inline functions.
587 (build_x_binary_op): Add wrapper with fewer parms.
589 2019-11-05 Jason Merrill <jason@redhat.com>
591 * decl2.c (mark_used): Diagnose use of a function with unsatisfied
593 * typeck.c (cp_build_function_call_vec): Not here.
595 2019-11-05 Nathan Sidwell <nathan@acm.org>
598 * parser.c (cp_parser_error_1): Check EOF and UNKNOWN_LOCATION
599 when skipping over version control marker.
601 2019-11-05 Jakub Jelinek <jakub@redhat.com>
604 * constexpr.c (potential_constant_expression_1): Return true rather
605 than false for PREDICT_EXPR.
607 * decl.c (omp_declare_variant_finalize_one): Call
608 declare_simd_adjust_this not just on the context, but also on the
609 variant-id expression for methods. Don't call
610 cp_get_callee_fndecl_nofold, call cp_get_callee and only if it is
611 safe cp_get_fndecl_from_callee. Don't try to print as %qD
613 * pt.c (tsubst_attribute): Handle "omp declare variant base"
615 (tsubst_function_decl): Call omp_declare_variant_finalize
616 if there are any "omp declare variant base" attributes left.
618 2019-11-04 Kamlesh Kumar <kamleshbhalui@gmail.com>
620 PR c++/91979 - mangling nullptr expression
621 * mangle.c (write_template_arg_literal): Handle nullptr
624 2019-11-04 Jason Merrill <jason@redhat.com>
626 * typeck.c (check_return_expr): Avoid redundant error.
628 2019-11-02 Paolo Carlini <paolo.carlini@oracle.com>
630 * typeck.c (composite_pointer_type): Add a const op_location_t&
631 parameter and use it in diagnostics.
632 (composite_pointer_error): Likewise.
633 (composite_pointer_type_r): Add a const op_location_t&
634 parameter and forward it.
635 (cp_build_binary_op): Adjust calls.
636 (common_pointer_type): Likewise.
637 * call.c (add_builtin_candidate): Likewise.
638 (build_conditional_expr_1): Likewise.
639 * cp-tree.h (composite_pointer_type): Update declaration.
641 * typeck.c (cxx_sizeof_expr): Use cp_expr_loc_or_input_loc
643 (cxx_alignof_expr): Likewise.
644 (lvalue_or_else): Likewise.
646 2019-11-02 Jakub Jelinek <jakub@redhat.com>
648 * decl.c (omp_declare_variant_finalize_one): Use
649 omp_get_context_selector instead of c_omp_get_context_selector.
652 * parser.c (cp_parser_decl_specifier_seq): Don't parse attributes
653 if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR.
655 PR c++/88335 - Implement P1073R3: Immediate functions
656 * cp-tree.h (struct lang_decl_fn): Add immediate_fn_p bit.
657 (DECL_IMMEDIATE_FUNCTION_P, SET_DECL_IMMEDIATE_FUNCTION_P): Define.
658 (enum cp_decl_spec): Add ds_consteval.
659 (fold_non_dependent_expr): Add another tree argument defaulted to
661 * name-lookup.h (struct cp_binding_level): Add immediate_fn_ctx_p
663 * parser.c (cp_keyword_starts_decl_specifier_p): Adjust comments
664 for C++11 and C++20 specifiers. Handle RID_CONSTEVAL.
665 (CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR): Adjust comment.
666 (CP_PARSER_FLAGS_CONSTEVAL): New.
667 (cp_parser_skip_balanced_tokens): New forward declaration.
668 (cp_parser_lambda_declarator_opt): Handle ds_consteval. Set
669 current_binding_level->immediate_fn_ctx_p before parsing parameter
670 list if decl-specifier-seq contains consteval specifier.
671 (cp_parser_decl_specifier_seq): Handle RID_CONSTEVAL.
672 (cp_parser_explicit_instantiation): Diagnose explicit instantiation
673 with consteval specifier.
674 (cp_parser_init_declarator): For consteval or into flags
675 CP_PARSER_FLAGS_CONSTEVAL.
676 (cp_parser_direct_declarator): If CP_PARSER_FLAGS_CONSTEVAL, set
677 current_binding_level->immediate_fn_ctx_p in the sk_function_parms
679 (set_and_check_decl_spec_loc): Add consteval entry, formatting fix.
680 * call.c (build_addr_func): For direct calls to immediate functions
681 use build_address rather than decay_conversion.
682 (build_over_call): Evaluate immediate function invocations.
683 * error.c (dump_function_decl): Handle DECL_IMMEDIATE_FUNCTION_P.
684 * semantics.c (expand_or_defer_fn_1): Use tentative linkage and don't
685 call mark_needed for immediate functions.
686 * typeck.c (cxx_sizeof_or_alignof_expr): Likewise. Formatting fix.
687 (cp_build_addr_expr_1): Reject taking address of immediate function
688 outside of immediate function.
689 * decl.c (validate_constexpr_redeclaration): Diagnose consteval
690 vs. non-consteval or vice versa redeclaration. Use
691 SET_DECL_IMMEDIATE_FUNCTION_P if new_decl is immediate function.
692 (check_tag_decl): Use %qs with keyword string to simplify translation.
694 (start_decl): Adjust diagnostics for static or thread_local variables
695 in immediate functions.
696 (grokfndecl): Call sorry_at on virtual consteval. Use %qs with keyword
697 to string to simplify translation. Diagnose consteval main. Use
698 SET_DECL_IMMEDIATE_FUNCTION_P for consteval.
699 (grokdeclarator): Handle consteval. Use %qs with keyword strings to
700 simplify translation. Use separate ifs instead of chained else if
701 for invalid specifiers. For constinit clear constinit_p rather than
703 * constexpr.c (find_immediate_fndecl): New function.
704 (cxx_eval_outermost_constant_expr): Allow consteval calls returning
705 void. Diagnose returning address of immediate function from consteval
707 (fold_non_dependent_expr_template): Add OBJECT argument, pass it
708 through to cxx_eval_outermost_constant_expr.
709 (fold_non_dependent_expr): Add OBJECT argument, pass it through to
710 fold_non_dependent_expr_template.
711 (fold_non_dependent_init): Adjust fold_non_dependent_expr_template
713 * method.c (defaulted_late_check): Adjust diagnostics for consteval.
714 * lambda.c (maybe_add_lambda_conv_op): Copy over
715 DECL_DECLARED_CONSTEXPR_P and DECL_IMMEDIATE_FUNCTION_P bits from
716 callop to both artificial functions.
717 * init.c (build_value_init): Don't do further processing if
718 build_special_member_call returned a TREE_CONSTANT. Formatting fix.
720 PR c++/91369 - Implement P0784R7: constexpr new
721 * cp-tree.h (CALL_FROM_NEW_OR_DELETE_P): Define.
722 * init.c (build_new_1, build_vec_delete_1, build_delete): Set
723 CALL_FROM_NEW_OR_DELETE_P on the CALL_EXPR to allocator functions.
724 * constexpr.c (is_std_allocator_allocate): Only allow
725 global replaceable allocator functions if CALL_FROM_NEW_OR_DELETE_P
726 or in std::allocate<T>::{,de}allocate.
727 (potential_constant_expression_1): Likewise.
729 2019-11-01 Nathan Sidwell <nathan@acm.org>
731 * class.c (check_field_decls): Refactor.
733 2019-10-31 Jakub Jelinek <jakub@redhat.com>
736 * cp-tree.h (type_initializer_zero_p): Declare.
737 * decl.c (reshape_init_array_1): Formatting fix.
738 * tree.c (type_initializer_zero_p): New function. Moved from
739 ../tree.c, use next_initializable_field, formatting fix. Return
740 false for TYPE_NON_AGGREGATE_CLASS types.
742 2019-10-30 Jason Merrill <jason@redhat.com>
744 PR c++/92268 - hard error satisfying return-type-requirement
745 * constraint.cc (type_deducible_p): Check for substitution failure.
746 (diagnose_compound_requirement): Adjust diagnostic.
747 * pt.c (do_auto_deduction): Don't pass cargs to
748 constraints_satisfied_p.
750 2019-10-30 Jakub Jelinek <jakub@redhat.com>
752 PR c++/91369 - Implement P0784R7: constexpr new
753 * constexpr.c (cxx_replaceable_global_alloc_fn): Don't return true
755 (cxx_placement_new_fn, is_std_construct_at): New functions.
756 (cxx_eval_call_expression): Allow placement new in std::construct_at.
757 (potential_constant_expression_1): Likewise.
759 * typeck.c (decl_in_std_namespace_p): Return true also for decls
760 in inline namespaces inside of std namespace.
762 2019-10-30 Bernd Edlinger <bernd.edlinger@hotmail.de>
765 * name-lookup.c (check_local_shadow): Shadowing TYPE_DECLs
766 is always a -Wshadow=compatible-local warning, unless
769 2019-10-30 Jason Merrill <jason@redhat.com>
771 * cxx-pretty-print.c (get_fold_operator): Use OVL_OP_INFO.
773 2019-10-30 Marek Polacek <polacek@redhat.com>
775 PR c++/92134 - constinit malfunction in static data member.
776 * decl2.c (grokfield): Set LOOKUP_CONSTINIT.
778 2019-10-30 Jakub Jelinek <jakub@redhat.com>
780 * cp-tree.h (omp_declare_variant_finalize, build_local_temp): Declare.
781 * decl.c: Include omp-general.h.
782 (declare_simd_adjust_this): Add forward declaration.
783 (omp_declare_variant_finalize_one, omp_declare_variant_finalize): New
785 (cp_finish_decl, finish_function): Call omp_declare_variant_finalize.
786 * parser.c (cp_finish_omp_declare_variant): Adjust parsing of the
787 variant id-expression and propagate enough information to
788 omp_declare_variant_finalize_one in the attribute so that it can
790 * class.c (finish_struct): Call omp_declare_variant_finalize.
791 * tree.c (build_local_temp): No longer static, remove forward
794 2019-10-30 Paolo Carlini <paolo.carlini@oracle.com>
796 * typeck.c (cp_build_modify_expr): Prefer error + inform to
797 error + error in one place.
798 (get_delta_difference_1): Likewise.
799 (get_delta_difference): Likewise, in two places.
801 2019-10-29 Paolo Carlini <paolo.carlini@oracle.com>
803 * typeck.c (build_x_unary_op): Use the location_t argument in
806 2019-10-29 Marek Polacek <polacek@redhat.com>
808 PR c++/90998 - ICE with copy elision in init by ctor and -Wconversion.
809 * call.c (joust): Don't attempt to warn if ->second_conv is null.
811 2019-10-29 Jakub Jelinek <jakub@redhat.com>
814 * cp-gimplify.c (cp_gimplify_expr): If gimplify_to_rvalue changes the
815 function pointer type, re-add cast to the original one.
817 2019-10-29 Marek Polacek <polacek@redhat.com>
819 PR c++/91548 - fix detecting modifying const objects for ARRAY_REF.
820 * constexpr.c (cxx_eval_store_expression): Don't call
821 modifying_const_object_p for ARRAY_REF.
823 2019-10-29 Richard Sandiford <richard.sandiford@arm.com>
825 * cp-objcp-common.h (cxx_simulate_enum_decl): Declare.
826 (LANG_HOOKS_SIMULATE_ENUM_DECL): Define to the above.
827 * decl.c (cxx_simulate_enum_decl): New function.
829 2019-10-29 Richard Sandiford <richard.sandiford@arm.com>
831 * cp-tree.h (cxx_simulate_builtin_function_decl): Declare.
832 * decl.c (cxx_simulate_builtin_function_decl): New function.
833 * cp-objcp-common.h (LANG_HOOKS_SIMULATE_BUILTIN_FUNCTION_DECL):
836 2019-10-28 Martin Sebor <msebor@redhat.com>
839 * cp-objcp-common.c (names_builtin_p): Define new function.
841 2019-10-28 Nathan Sidwell <nathan@acm.org>
843 * parser.h (struct cp_token): Drop {ENUM,BOOL}_BITFIELD C-ism.
844 Add tree_check_p flag, use as nested union discriminator.
845 (struct cp_lexer): Add saved_type & saved_keyword fields.
846 * parser.c (eof_token): Delete.
847 (cp_lexer_new_main): Always init last_token to last token of
849 (cp_lexer_new_from_tokens): Overlay EOF token at end of range.
850 (cp_lexer_destroy): Restore token under the EOF.
851 (cp_lexer_previous_token_position): No check for eof_token here.
852 (cp_lexer_get_preprocessor_token): Clear tree_check_p.
853 (cp_lexer_peek_nth_token): Check CPP_EOF not eof_token.
854 (cp_lexer_consume_token): Assert not CPP_EOF, no check for
856 (cp_lexer_purge_token): Likewise.
857 (cp_lexer_purge_tokens_after): No check for EOF token.
858 (cp_parser_nested_name_specifier, cp_parser_decltype)
859 (cp_parser_template_id): Set tree_check_p.
861 2019-10-24 Jakub Jelinek <jakub@redhat.com>
863 * decl2.c (cplus_decl_attributes): Add "omp declare target block"
864 attribute in between declare target and end declare target
867 * call.c (convert_arg_to_ellipsis): Add missing space in string
870 2019-10-24 Marek Polacek <polacek@redhat.com>
872 * decl.c (reshape_init_r): Add missing space.
874 2019-10-24 Nathan Sidwell <nathan@acm.org>
876 * pt.c (reduce_template_parm_level): Attach the new TPI to the new
878 (convert_generic_types_to_packs): Pass the copied type to
879 reduce_templatE_parm_level.
881 2019-10-23 Nathan Sidwell <nathan@acm.org>
883 * cp-tree.c (CPTI_STD_IDENTIFIER): Delete.
884 (std_identifier): Delete.
885 (DECL_NAME_SPACE_STD_P): Compare against std_node.
886 * decl.c (initialize_predefined_identifiers): 'std' is not needed.
887 (cxx_init_decl_processing): Adjust creation of ::std. Use
888 {push,pop}_nested_namespace.
889 (cxx_builtin_function): Use {push,pop}_nested_namespace.
890 * except.c (init_exception_processing): Likewise.
891 * rtti.c (init_rtti_processing): Likewise.
893 2019-10-23 Jason Merrill <jason@redhat.com>
895 Implement P1286R2, Contra CWG1778
896 * method.c (defaulted_late_check): Don't check explicit
897 exception-specification on defaulted function.
898 (after_nsdmi_defaulted_late_checks): Remove.
899 * parser.h (struct cp_unparsed_functions_entry): Remove classes.
900 * parser.c (unparsed_classes): Remove.
901 (push_unparsed_function_queues, cp_parser_class_specifier_1):
904 2019-10-23 Jakub Jelinek <jakub@redhat.com>
906 * constexpr.c (cxx_eval_constant_expression) <case CLEANUP_STMT>:
907 Temporarily change input_location to CLEANUP_STMT location.
909 2019-10-22 Jakub Jelinek <jakub@redhat.com>
911 PR tree-optimization/85887
912 * decl.c (expand_static_init): Drop ECF_LEAF from __cxa_guard_acquire
913 and __cxa_guard_release.
915 2019-10-22 Marc Glisse <marc.glisse@inria.fr>
918 * constexpr.c (cxx_eval_builtin_function_call): Only set
919 force_folding_builtin_constant_p if manifestly_const_eval.
921 2019-10-22 Richard Sandiford <richard.sandiford@arm.com>
923 * cp-tree.h (STF_USER_VISIBLE): New constant.
924 (strip_typedefs, strip_typedefs_expr): Take a flags argument.
925 * tree.c (strip_typedefs, strip_typedefs_expr): Likewise,
926 updating mutual calls accordingly. When STF_USER_VISIBLE is true,
927 only look through typedefs if user_facing_original_type_p.
928 * error.c (dump_template_bindings, type_to_string): Pass
929 STF_USER_VISIBLE to strip_typedefs.
930 (dump_type): Likewise, unless pp_c_flag_gnu_v3 is set.
932 2019-10-21 Kamlesh Kumar <kamleshbhalui@gmail.com>
933 Jason Merrill <jason@redhat.com>
935 PR c++/83534 - typeinfo of noexcept function
936 * rtti.c (get_tinfo_decl_dynamic): Do not call
937 TYPE_MAIN_VARIANT for function.
938 (get_typeid): Likewise.
940 2019-10-21 Paolo Carlini <paolo.carlini@oracle.com>
942 * parser.c (cp_parser_class_head): Improve error recovery upon
943 extra qualification error.
945 2019-10-21 Jakub Jelinek <jakub@redhat.com>
948 * constexpr.c (cxx_eval_component_reference, cxx_eval_bit_field_ref):
949 Use STRIP_ANY_LOCATION_WRAPPER on CONSTRUCTOR elts.
951 2019-10-21 Marek Polacek <polacek@redhat.com>
953 PR c++/92062 - ODR-use ignored for static member of class template.
954 * pt.c (has_value_dependent_address): Strip location wrappers.
956 2019-10-21 Marek Polacek <polacek@redhat.com>
958 PR c++/92106 - ICE with structured bindings and -Wreturn-local-addr.
959 * typeck.c (maybe_warn_about_returning_address_of_local): Avoid
960 recursing on null initializer and return false instead.
962 2019-10-17 JeanHeyd Meneide <phdofthehouse@gmail.com>
964 Implement p1301 [[nodiscard("should have a reason")]] + p1771 DR
965 * tree.c (handle_nodiscard_attribute): Handle C++2a nodiscard
967 (std_attribute_table) Increase nodiscard argument handling
968 max_length from 0 to 1.
969 * parser.c (cp_parser_check_std_attribute): Add requirement
970 that nodiscard only be seen once in attribute-list.
971 (cp_parser_std_attribute): Check that empty parenthesis lists are
972 not specified for attributes that have max_length > 0 (e.g.
974 * cvt.c (maybe_warn_nodiscard): Add nodiscard message to
975 output, if applicable.
976 (convert_to_void): Allow constructors to be nodiscard-able (P1771).
978 2019-10-18 Nathan Sidwell <nathan@acm.org>
980 * cp-tree.h (struct lang_type): Remove was_anonymous.
981 (TYPE_WAS_UNNAMED): Implement by checking TYPE_DECL &
983 * decl.c (name_unnamed_type): Don't set TYPE_WAS_UNNAMED.
985 2019-10-17 Paolo Carlini <paolo.carlini@oracle.com>
987 * decl.c (grokfndecl): Remove redundant use of in_system_header_at.
988 (compute_array_index_type_loc): Likewise.
989 (grokdeclarator): Likewise.
990 * error.c (cp_printer): Likewise.
991 * lambda.c (add_default_capture): Likewise.
992 * parser.c (cp_parser_primary_expression): Likewise.
993 (cp_parser_selection_statement): Likewise.
994 (cp_parser_toplevel_declaration): Likewise.
995 (cp_parser_enumerator_list): Likewise.
996 (cp_parser_using_declaration): Likewise.
997 (cp_parser_member_declaration): Likewise.
998 (cp_parser_exception_specification_opt): Likewise.
999 (cp_parser_std_attribute_spec): Likewise.
1000 * pt.c (do_decl_instantiation): Likewise.
1001 (do_type_instantiation): Likewise.
1002 * typeck.c (cp_build_unary_op): Likewise.
1004 * decl.c (check_tag_decl): Pass to in_system_header_at the same
1005 location used for the permerror.
1006 (grokdeclarator): Likewise.
1008 * decl.c (check_tag_decl): Use locations[ds_typedef] in error_at.
1010 2019-10-17 Jason Merrill <jason@redhat.com>
1012 * cp-gimplify.c (cp_gimplify_expr): Use get_initialized_tmp_var.
1013 (gimplify_to_rvalue): Remove default NULL argument.
1015 2019-10-17 Nathan Sidwell <nathan@acm.org>
1017 * decl.c (builtin_function_1): Merge into ...
1018 (cxx_builtin_function): ... here. Nadger the decl before maybe
1019 copying it. Set the context.
1020 (cxx_builtin_function_ext_scope): Push to top level, then call
1021 cxx_builtin_function.
1023 2019-10-16 Luis Machado <luis.machado@linaro.org>
1025 * cp-gimplify.c: Fix reference to non-existing tree-gimple.c file.
1027 2019-10-16 Jakub Jelinek <jakub@redhat.com>
1029 * decl.c (cxx_maybe_build_cleanup): When clearing location of cleanup,
1030 if cleanup is a nop, clear location of its operand too.
1032 2019-10-15 Andrew Sutton <asutton@lock3software.com>
1034 Finish moving constraint and logic functionality of out pt.c.
1035 Reimplement and re-enable subsumption caching.
1037 * config-lang.in (gtfiles): Add logic.cc.
1038 * constraint.cc (atomic_constraints_identical_p): Add assertions.
1039 (hash_atomic_constraint): Likewise.
1040 (constraints_equivalent_p): New.
1041 (inchash::add_constraint): New.
1042 (iterative_hash_constraint): New.
1043 (decl_constraints): Moved from pt.c.
1044 (get_constraints): Likewise.
1045 (set_constraints): Likewise.
1046 (remove_constraints): Likewise.
1047 * cp-tree.h (CONSTR_P): New.
1048 (init_constraint_processing): Remove.
1049 (constraints_equivalent_p, iterative_hash_constraint): Declare.
1050 * decl.c (cxx_init_decl_processing): Don't initialize constraints.
1051 * logic.cc (subsumption_entry): Moved from pt.c.
1052 (subsumption_hasher): Likewise.
1053 (subsumption_cache): Likewise.
1054 (lookup_subsumption): Likewise.
1055 (save_subsumption): Likewise.
1056 (subsumes_constraints_nonnull): Use subsumption cache.
1057 * pt.c: Move aforementioned declarations out of this file.
1058 (init_constraint_processing): Remove.
1060 2019-10-15 Andrew Sutton <asutton@lock3software.com>
1062 * parser.c (cp_parser_constructor_declarator_p): Pass an empty
1063 decl-specifier-seq to make sure we parse type constraints as part
1064 of a type-specifier.
1066 2019-10-15 Nathan Sidwell <nathan@acm.org>
1068 * class.c (build_clones): Break out of clone_function_decl. Just
1070 (clone_function_decl): Call build_clones, then maybe add them to
1073 * class.c (build_clone): Refactor to clarify recursiveness.
1075 2019-10-14 Jason Merrill <jason@redhat.com>
1077 PR c++/91930 - ICE with constrained inherited default ctor.
1078 * name-lookup.c (do_class_using_decl): Set TYPE_HAS_USER_CONSTRUCTOR
1079 for inherited constructor.
1081 2019-10-14 Paolo Carlini <paolo.carlini@oracle.com>
1083 * decl.c (check_tag_decl): Use DECL_SOURCE_LOCATION.
1085 2019-10-14 Jakub Jelinek <jakub@redhat.com>
1088 * semantics.c (handle_omp_array_sections_1): Temporarily disable
1089 -fstrong-eval-order also for in_reduction and task_reduction clauses.
1091 * parser.c (cp_parser_omp_all_clauses): Change bool NESTED_P argument
1092 into int NESTED, if it is 2, diagnose missing commas in between
1094 (cp_parser_omp_context_selector): Pass 2 as last argument to
1095 cp_parser_omp_all_clauses.
1097 2019-10-12 Jakub Jelinek <jakub@redhat.com>
1099 * parser.c (cp_parser_omp_context_selector): Improve error recovery.
1100 For simd properties, put them directly into TREE_VALUE.
1101 (cp_finish_omp_declare_variant): Add "omp declare variant base"
1102 attribute rather than "omp declare variant".
1104 2019-10-11 Marek Polacek <polacek@redhat.com>
1106 PR c++/92049 - extra error with -fchecking=2.
1107 * pt.c (build_non_dependent_expr): Call fold_non_dependent_expr
1110 2019-10-11 Paolo Carlini <paolo.carlini@oracle.com>
1112 * typeck.c (cp_build_binary_op): Do not handle RROTATE_EXPR and
1114 * constexpr.c (cxx_eval_constant_expression): Likewise.
1115 (potential_constant_expression_1): Likewise.
1116 * pt.c (tsubst_copy): Likewise.
1118 2019-10-11 Jason Merrill <jason@redhat.com>
1120 * decl2.c (mark_used): Don't clobber DECL_SOURCE_LOCATION on
1121 explicitly defaulted functions.
1122 * method.c (synthesize_method): Likewise.
1124 2019-10-11 Jakub Jelinek <jakub@redhat.com>
1127 * decl2.c (grok_array_decl): For -fstrong-eval-order, when array ref
1128 operands have been swapped and at least one operand has side-effects,
1129 revert the swapping before calling build_array_ref.
1130 * typeck.c (cp_build_array_ref): For non-ARRAY_TYPE array ref with
1131 side-effects on the index operand, if -fstrong-eval-order use
1132 save_expr around the array operand.
1133 (cp_build_binary_op): For shifts with side-effects in the second
1134 operand, wrap first operand into SAVE_EXPR and evaluate it before
1136 * semantics.c (handle_omp_array_sections_1): Temporarily disable
1137 flag_strong_eval_order during OMP_CLAUSE_REDUCTION array section
1139 * cp-gimplify.c (gimplify_to_rvalue): New function.
1140 (cp_gimplify_expr): Use it.
1142 2019-10-10 Marek Polacek <polacek@redhat.com>
1144 * typeck.c (comp_ptr_ttypes_real): Change the return type to bool.
1145 Use false instead of 0.
1147 2019-10-10 Jakub Jelinek <jakub@redhat.com>
1149 * parser.h (struct cp_omp_declare_simd_data): Add variant_p member.
1150 * parser.c (cp_ensure_no_omp_declare_simd): Handle both declare simd
1151 and declare variant.
1152 (cp_parser_oacc_all_clauses): Formatting fix.
1153 (cp_parser_omp_all_clauses): Add NESTED_P argument, if true, terminate
1154 processing on closing paren and don't skip to end of pragma line.
1155 (cp_parser_omp_declare_simd): Add VARIANT_P argument. Handle also
1157 (omp_construct_selectors, omp_device_selectors,
1158 omp_implementation_selectors, omp_user_selectors): New variables.
1159 (cp_parser_omp_context_selector,
1160 cp_parser_omp_context_selector_specification,
1161 cp_finish_omp_declare_variant): New functions.
1162 (cp_parser_late_parsing_omp_declare_simd): Handle also declare variant.
1163 (cp_parser_omp_declare): Handle declare variant.
1165 2019-10-09 Jason Merrill <jason@redhat.com>
1167 * cp-tree.h (template_info_decl_check): Check ENABLE_TREE_CHECKING.
1169 2019-10-09 Marek Polacek <polacek@redhat.com>
1171 PR c++/91364 - P0388R4: Permit conversions to arrays of unknown bound.
1172 PR c++/69531 - DR 1307: Differently bounded array parameters.
1173 PR c++/88128 - DR 330: Qual convs and pointers to arrays of pointers.
1174 * call.c (build_array_conv): Build ck_identity at the beginning
1176 (standard_conversion): Pass bounds_none to comp_ptr_ttypes_const.
1177 (maybe_warn_array_conv): New.
1178 (convert_like_real): Call it. Add an error message about converting
1179 from arrays of unknown bounds.
1180 (conv_get_original_expr): New.
1181 (nelts_initialized_by_list_init): New.
1182 (conv_binds_to_array_of_unknown_bound): New.
1183 (compare_ics): Implement list-initialization ranking based on
1184 array sizes, as specified in DR 1307 and P0388R.
1185 * cp-tree.h (comp_ptr_ttypes_const): Adjust declaration.
1186 (compare_bounds_t): New enum.
1187 * typeck.c (comp_array_types): New bool and compare_bounds_t
1188 parameters. Use them.
1189 (structural_comptypes): Adjust the call to comp_array_types.
1190 (similar_type_p): Handle ARRAY_TYPE.
1191 (build_const_cast_1): Pass bounds_none to comp_ptr_ttypes_const.
1192 (comp_ptr_ttypes_real): Don't check cv-quals of ARRAY_TYPEs. Use
1193 comp_array_types to compare array types. Look through arrays as per
1195 (comp_ptr_ttypes_const): Use comp_array_types to compare array types.
1196 Look through arrays as per DR 330.
1198 2019-10-09 Marek Polacek <polacek@redhat.com>
1200 PR c++/92032 - DR 1601: Promotion of enum with fixed underlying type.
1201 * call.c (standard_conversion): When converting an enumeration with
1202 a fixed underlying type to the underlying type, give it the cr_promotion
1204 (compare_ics): Implement a tiebreaker as per CWG 1601.
1206 2019-10-08 Andrew Sutton <asutton@lock3software.com>
1207 Jason Merrill <jason@redhat.com>
1209 Update the concepts implementation to conform to the C++20
1210 specification, improve compile times, and generally clean up
1212 * call.c (build_new_function_call): Don't evaluate concepts here.
1213 (constraint_failure): Don't record the template.
1214 (print_z_candidate): Don't extract the template.
1215 * class.c (add_method): When overloading, hide ineligible special
1217 (check_methods): Set TYPE_HAS_COMPLEX_* here.
1218 * constexpr.c (cxx_eval_constant_expression): Evaluate concepts.
1219 (maybe_initialize_fundef_copies_table): Remove.
1220 (get_fundef_copy): Use hash_map_safe_get_or_insert.
1221 (clear_cv_and_fold_caches): Clear the satisfaction cache.
1222 * constraint.cc (known_non_bool_p): New.
1223 (parsing_constraint_expression_sentinel): Renamed from
1224 expanding_constraint_sentinel.
1225 (check_constraint_operands): New.
1226 (check_constraint_atom): New.
1227 (finish_constraint_binary_op): New.
1228 (finish_constraint_or_expr): Likewise.
1229 (finish_constraint_and_expr): Likewise.
1230 (finish_constraint_primary_expr): Likewise.
1231 (combine_constraint_expressions): New.
1232 (finish_requires_expr): Add location parm.
1233 (get_concept_definition): Return the initializer of concept definitions.
1234 (get_template_head_requirements): New.
1235 (get_trailing_function_requirements): New.
1236 (deduce_constrained_parameter): Check if the identifier or template-id
1237 is a concept definition.
1238 (resolve_concept_definition_check): Removed.
1239 (resolve_variable_concept_check): Removed.
1240 (resolve_concept_check): New.
1241 (resolve_constraint_check): Handle concept definitions.
1242 converting arguments.
1243 (function_concept_check_p): Removed.
1244 (variable_concept_check_p): Removed.
1245 (unpack_concept_check): New.
1246 (get_concept_check_template): New.
1247 (build_call_check): Moved and renamed to build_function_check.
1248 (build_concept_check_arguments): make static.
1249 (build_function_check): Always do overload resolution
1250 in order to force conversion of template arguments (i.e., actually
1251 check that the use of a concept is valid).
1252 (build_standard_check): Renamed from build_real_concept_check.
1253 (build_real_concept_check): Build checks for C++2a concepts by
1254 (build_wildcard_concept_check): New.
1255 (build_concept_check): Use build_real_concept_check. New overload.
1256 (build_constraints): Save expressions, not normalized constraints.
1257 (build_concept_id): New. Pass tf_warning_or_error.
1258 (build_type_constraint): New.
1259 (finish_type_constraints): New.
1260 (associate_classtype_constraints): Also add constraints to union
1261 types. Note the original declaration in errors. Don't return
1262 error_mark_node in order to avoid an assertion later.
1263 (push_down_pack_expansion): Remove.
1264 (finish_shorthand_constraint): Make fold expressions, not naked
1265 parameter packs. Always apply the constraint to each template argument.
1266 (check_introduction_list): New. Fail if not enough
1267 names are introduced.
1268 (finish_template_introduction): Don't normalize constraints. Pass
1269 tsubst flags. Check for insufficient introductions.
1270 (placeholder_extract_concept_and_args): Handle the template-id case.
1271 Unpack function concept checks correctly.
1272 (tsubst_simple_requirement): Return errors if they occur. Don't
1273 process as a template.
1274 (tsubst_type_requirement): Likewise.
1275 (type_deducible_p): New. Wrap the input expression in parens for the
1276 purpose of deduction.
1277 (expression_convertible_t): New.
1278 (tsubst_compound_requirement): Use new deduction, conversion predicates.
1279 (tsubst_nested_requirement): Return errors if they occur. Don't
1280 process as a template. Instantiate and evaluate the nested requirement.
1281 (tsubst_valid_expression_requirement): New.
1282 (tsubst_simple_requirement): Use tsubst_valid_expression_requirement.
1283 (tsubst_compound_requirement): Use tsubst_valid_expression_requirement.
1284 (check_constaint_variables): New.
1285 (tsubst_constraint_variables): Check that type substitutions are valid.
1286 (tsubst_requires_expr): Likewise. Produce new requires-exprs during
1287 template substitution. Copy the previous local specialization stack,
1288 so references to non-local parameters can be found. Use cp_unevaluated.
1289 (tsubst_constraint): New. Don't evaluate concept checks.
1291 (norm_info): New. Used to build a normalization tree for concept check
1293 (debug_parameter_mapping): New.
1294 (debug_argument_list): New.
1295 (expand_concept): Removed.
1296 (normalize_logical_operation): Pass subst_info through call.
1297 (normalize_pack_expansion): Remove.
1298 (normalize_simple_requirement): Removed
1299 (normalize_type_requirement): Removed
1300 (normalize_compound_requirement): Removed
1301 (normalize_nested_requirement): Removed
1302 (normalize_requirement): Removed
1303 (normalize_requirements): Removed
1304 (normalize_requires_expression): Removed
1305 (normalize_variable_concept_check): Removed.
1306 (normalize_function_concept_check): Removed.
1307 (normalize_concept_check): Merged all normalize_*_check here.
1308 Substitute through written template arguments before normalizing the
1309 definition. Only substitute the innermost template arguments.
1310 (check_for_logical_overloads): Delete.
1311 (map_arguments): New. Associate template parameters with arguments.
1312 (build_parameter_mapping): New. Extract used parameters.
1313 (normalize_expression): Rewrite.
1314 (normalize_conjunction): Removed
1315 (normalize_disjunction): Removed
1316 (normalize_predicate_constraint): Removed
1317 (normalize_parameterized_constraint): Removed
1318 (normalized_map): New variable.
1319 (get_normalized_constraints): New entry point for normalization.
1320 Establishes a timer.
1321 (get_normalized_constraints_from_info): New.
1322 (get_normalized_constraints_from_decl): New. Turn on template processing
1323 prior to normalization. Handle inheriting ctors. Build the
1324 normalization arguments from the full set of template parameters of the
1325 most general template. This guarantees that we have no concrete arguments
1326 in the parameter mapping (e.g., from template members of class
1327 templates). Cache normalizations.
1328 (normalize_concept_definition): New. Cache normalizations.
1329 (normalize_template_requirements): New.
1330 (normalize_nontemplate_requirements): New.
1331 (normalize_constraint_expression): New.
1332 (tsubst_parameter_mapping): New.
1333 (get_mapped_args): New.
1334 (parameter_mapping_equivalent_p): New. Use template_args_equal.
1335 (atomic_constraints_identical_p): New.
1336 (hash_atomic_constraint): New.
1337 (satisfying_constraint_p): New. Guard against recursive evaluation of
1338 constraints during satisfaction.
1339 (satisfy_conjunction): New.
1340 (satisfy_disjunction): New.
1341 (sat_entry): New class for hashing satisfaction results.
1342 (sat_hasher): New hash traits.
1344 (get_satisfaction): New. Returns cached satisfaction result.
1345 (save_satisfaction): New. Caches a satisfaction result.
1346 (clear_satisfaction_cache): New.
1347 (satisfaction_cache): New. Helps manage satisfaction cache requests.
1348 (decl_satisfied_cache): New.
1349 (satisfy_atom): New.
1350 (satisfy_constraint_r): New.
1351 (satisfy_constraint): Use new satisfaction algorithm.
1352 (evaluate_concept_check): New.
1353 (evaluate_concept): Removed.
1354 (evaluate_function_concept): Removed.
1355 (evaluate_variable_concept): Removed.
1356 (satisfy_constraint_expression): New.
1357 (constraint_expression_satisfied_p): New.
1358 (constraints_satisfied_p): Use strip_inheriting_ctors. Use
1359 push_/pop_access_scope.
1360 (more_constrained): Normalize before calling out to subsumption. Allow
1361 classes as arguments.
1362 (strictly_subsumes): Allow non-templates as arguments. Accept a new
1364 (weakly_subsumes): New.
1365 (at_least_as_constrained): Removed.
1366 (diagnose_other_expression): Removed.
1367 (diagnose_predicate_constraint): Removed.
1368 (diagnose_pack_expansion): Removed.
1369 (diagnose_check_constraint): Removed.
1370 (diagnose_logical_constraint): Removed.
1371 (diagnose_expression_constraint): Removed.
1372 (diagnose_type_constraint): Removed.
1373 (diagnose_implicit_conversion_constraint): Removed.
1374 (diagnose_argument_deduction_constraint): Removed.
1375 (diagnose_exception_constraint): Removed.
1376 (diagnose_parameterized_constraint): Removed.
1377 (diagnose_argument_deduction_constraint): Removed.
1378 (diagnose_argument_deduction_constraint): Removed.
1379 (diagnose_argument_deduction_constraint): Removed.
1380 (diagnose_trait_expr): New.
1381 (diagnose_requires_expr): New.
1382 (diagnose_atomic_constraint): New.
1383 (diagnose_valid_expression) Stop wrongly diagnosing valid expressions.
1384 Don't substitute as if in template decls. This causes substitution
1385 to generate expressions that aren't suitable for use with the noexcept
1387 (diagnose_valid_type) Likewise.
1388 (diagnose_compound_requirement) Actually emit diagnostics for
1389 the causes of errors.Call force_paren_expr_uneval.
1390 (diagnose_declaration_constraints): Turn on template processing to
1391 suppress certain analyses.
1392 * cp-objcp-common.c (cp_common_init_ts): Make concepts typed.
1393 (cp_get_debug_type): Use hash_map_safe_*.
1394 * cp-tree.h: New function declarations for semantic actions, other
1395 facilities. Remove declaration no longer used or needed. Remove
1396 unused _CONSTR macros.
1397 (LANG_DECL_HAS_MIN): Add CONCEPT_DECL.
1398 (template_info_decl_check): Factor macro check into an inline function.
1399 (DECL_TEMPLATE_INFO): Use new check facility.
1400 (finish_concept_definition): New. Don't invalid concept declarations
1401 with invalid initializers.
1402 (find_template_parameters): New.
1403 (concept_definition_p): New.
1404 (concept_check_p): New.
1405 (variable_concept_check_p): New.
1406 (force_paren_expr_uneval): New.
1407 (ovl_iterator::using_p): A USING_DECL by itself was also
1408 introduced by a using-declaration.
1409 (struct tree_template_info): Use tree_base instead of
1410 tree_common. Add tmpl and args fields.
1411 (TI_TEMPLATE, TI_ARGS): Adjust.
1412 (DECLTYPE_FOR_INIT_CAPTURE): Remove.
1413 (CONSTR_CHECK, CONSTR_INFO, CONSTR_EXPR, CONSTR_CONTEXT): New.
1414 (ATOMIC_CONSTR_MAP, TRAIT_EXPR_LOCATION): New.
1415 (struct tree_trait_expr): Add locus field.
1416 (enum tsubst_flags): Add tf_norm as a hint to generate normalization
1417 context when diagnosing constraint failure.
1418 * cp-tree.def: Remove unused _CONSTR nodes and rename PRED_CONSTR
1420 (CONCEPT_DECL): New.
1421 * cxx-pretty-print.c: Remove constraint printing code.
1422 (pp_cxx_concept_definition): New.
1423 (pp_cxx_template_declaration): Print concept definitions.
1424 (pp_cxx_check_constraint): Update printing for concept definitions.
1425 (pp_cxx_nested_name_specifier): Fix a weird
1426 case where we're printing '::::' for concepts.
1427 (simple_type_specifier): Print requirements for placeholder types.
1428 (pp_cxx_constrained_type_spec): Print the associated requirements of
1430 (pp_cxx_compound_requirement): Add space before the '->'.
1431 (pp_cxx_parameter_mapping): Print the parameter mapping.
1432 (pp_cxx_atomic_constraint): Use the function above.
1433 * decl.c (redeclaration_error_message): New error for concepts.
1434 (grokdeclarator): Check for and disallow decltype(auto) in parameter
1436 (grokfndecl): Don't normalize constraints. Add check for constraints
1438 (grokvardecl): Don't normalize constraints.
1439 (grok_special_member_properties): Don't set TYPE_HAS_COMPLEX_*.
1440 (function_requirements_equivalent_p): New. Compare trailing
1441 requires clauses. Compare combined constraints in pre-C++20 mode.
1442 (decls_match): Compare trailing requires clauses. Compare template
1443 heads for function templates. Remove old constraint comparison.
1444 Simplify comparison of functions, function templates.
1445 (duplicate_function_template_decls): New. Refactor a nasty if
1446 condition into a single predicate.
1447 (require_deduced_type): Don't complain if we already complained about
1449 (finish_function): Perform auto deduction to ensure that constraints
1450 are checked even when functions contain no return statements. Only do
1451 auto deduction if we haven't previously seen any return statements.
1452 This prevents multiple diagnostics of the same error.
1453 (store_decomp_type): Remove.
1454 (cp_finish_decomp): Use hash_map_safe_put.
1455 * error.c: Remove constraint printing code.
1456 (dump_decl): Dump concept definitions. Handle wildcard declarations.
1457 (dump_template_decl): Likewise.
1458 (dump_type): Print associated requirements for placeholder
1460 (rebuild_concept_check): New.
1461 (maybe_print_single_constraint_context): New.
1462 (maybe_print_constraint_context): Recursively print nested contexts.
1463 * init.c (get_nsdmi): Use hash_map_safe_*.
1464 * lambda.c (maybe_add_lambda_conv_op): Bail if deduction failed.
1465 (add_capture): Copy parameter packs from init.
1466 (lambda_capture_field_type): Always use auto for init-capture.
1467 * logic.cc: Completely rewrite.
1468 (constraint_hash): New.
1469 (clause/ctor): Save atoms in the hash table.
1470 (replace): Save atoms during replacement.
1471 (insert): Save atoms during insertion.
1472 (contains): Only search the hash table for containment.
1473 (clause): Keep a hash of atomic constraints.
1474 (clause::clause): Explicitly copy the hash table when copying.
1475 (disjunction_p, conjunction_p, atomic_p, dnf_size, cnf_size): New.
1476 (diagnose_constraint_size): New.
1477 (subsumes_constraints_nonnull): Compare the sizes of normalized formula
1478 to determine the cheapest decomposition.
1479 * name-lookup.c (diagnose_name_conflict): Diagnose name issues with
1481 (matching_fn_p): Check constraints.
1482 (push_class_level_binding_1): Move overloaded functions case down,
1483 accept FUNCTION_DECL as target_decl.
1484 * parser.c (enum required_token): New required token for auto.
1485 (make_location): Add overload taking lexer as last parm.
1486 (cp_parser_required_error): Diagnose missing auto.
1487 (cp_parser_diagnose_ungrouped_constraint_plain): New.
1488 (cp_parser_diagnose_ungrouped_constraint_plain): New.
1489 (cp_parser_constraint_primary_expression): New. Tentatively parse the
1490 primary expression. If that fails tentatively parse a lower
1491 precedence expression in order to diagnose the error.
1492 (cp_parser_check_non_logical_constraint): New. Performs a trial
1493 parse of the right-hand-side of non-logical operators in order to
1494 generate good diagnostics.
1495 (cp_parser_constraint_logical_and_expression): New.
1496 (cp_parser_constraint_logical_or_expression): New.
1497 (cp_parser_requires_clause_expression): New.
1498 (cp_parser_requires_clause): Renamed to cp_parser_constraint_expression.
1499 (cp_parser_requires_clause_opt): Parse the requires-clause differently
1500 in -fconcepts and -std=c++2a modes.
1501 (cp_parser_requirement_list): Rename to cp_parser_requirement_seq.
1502 Rewrite so that semicolons are parsed
1503 along with requirements, not the sequence.
1504 (cp_parser_simple_requirement): Expect a semicolon at end.
1505 (cp_parser_compound_requirement): Expect a semicolon at end. Only
1506 allow trailing-return-type with -fconcepts-ts.
1507 (cp_parser_nested_requirement): Expect a semicolon at end. Parse
1508 constraint-expressions.
1509 (cp_parser_concept_definition): New. Don't fail parsing the concept
1510 definition if the initializer is ill-formed. Don't declare the concept
1511 before parsing the initializer.
1512 (cp_parser_constraint_expression): Declare earlier.
1513 (cp_parser_type_requirement): Current scope is not valid.
1514 (cp_parser_requires_expression): Commit to the tentative parse.
1515 (cp_parser_decl_specifier_seq): Warn when concept appears to be used
1516 as a decl-specifier.
1517 (cp_parser_template_declaration_after_parameters): Parse concept
1519 (cp_parser_template_id): Don't try to resolve a concept template-id yet.
1520 (cp_parser_template_id_expr): Resolve it as a concept check.
1521 (cp_parser_decl_specifier_seq): Warn on 'concept bool'.
1522 (cp_parser_type_parameter): Combine expressions not
1524 (cp_parser_explicit_template_declaration): Combine expressions not
1526 (cp_parser_maybe_concept_name): Removed.
1527 (cp_parser_simple_type_specifier): Handle an error condition of
1528 a bad constrained type specifier. Expect auto or decltype after
1529 a concept name. Also handle the case where we have a template-id
1531 (cp_parser_template_introduction): Diagnose errors on invalid
1532 introductions. Give up if it doesn't start with a concept name.
1533 Pedwarn if not -fconcepts-ts.
1534 (synthesize_implicit_template_parm): Don't do consistent binding.
1535 Use a new flag for constrained parameters. Combine expressions,
1536 not constraints. Fail if we get a placeholder in block scope.
1537 Placeholders that do not constrain types are not allowed in parameter
1538 declarations, so don't handle them.
1539 (cp_parser_placeholder_type_specifier): New. Implement parsing of
1540 placeholder type specifiers following a concept name or partial
1541 concept check. Disallow decltype(auto) parameters.
1542 (cp_parser_nested_name_specifier_opt): If the token is already
1543 CPP_NESTED_NAME_SPECIFIER, leave it alone.
1544 (cp_parser_id_expression, cp_parser_unqualified_id): Call
1545 cp_parser_template_id_expr.
1546 (cp_parser_placeholder_type_specifier): Add tentative parm. Don't
1547 expect a WILDCARD_DECL.
1548 (cp_parser_trait_expr): Pass trait_loc down.
1549 (cp_parser_postfix_expression): Do set location of dependent member
1551 * pt.c (finish_concept_definition): New.
1552 (push_template_decl_real): Handle concept definitions.
1553 (start_concept_definition): Let push_template_decl_real handle the
1554 creation of the template.
1555 (get_constraints): Return null if the table hasn't been initialized.
1556 (tsubst_copy_and_build): Build template-id expressions for concept
1558 [TRAIT_EXPR]: Pass trait_loc down.
1559 (lookup_template_class_1): Add the template name to the constraint
1561 (lookup_and_finish_template_variable): Build concept checks
1562 with the correct arguments.
1563 (tsubst_function_decl): Don't substitute through constraints.
1564 Always associate constraints with functions.
1565 (template_parm_level_and_index): Make non-static.
1566 (for_each_template_parm_r): Handle requires expressions.
1567 (keep_template_parm): New.
1568 (find_template_parameters): New.
1569 (more_specialized_fn): Change how winners and losers are chosen.
1570 (make_constrained_auto): Don't normalize constraints.
1571 (template_parameters_equivalent_p): New. Compare template
1572 parameters. Add a comparison for implicitly vs. explicitly declared
1574 (template_parameter_lists_equivalent_p): New. Compare template
1576 (template_requirements_equivalent_p): New.
1577 (template_heads_equivalent_p): New. Compare template heads.
1578 (template_parameter_constraints_equivalent_p): New.
1579 (is_compatible_template_arg): Use weakly_subsumes.
1580 (maybe_new_partial_specialization): Use new constraint comparison
1581 for finding specializations.
1582 (process_partial_specialization): Pass main template as argument.
1583 (more_specialized_partial_spec): Don't immediately return when
1585 (make_constrained_auto): Handle concept definitions.
1586 (do_auto_deduction): Update auto deduction for new concept model.
1587 Extract the function concept correctly; rename constr to check to
1588 reflect the kind of node.
1589 (tsubst): Adjust wildcard argument during substitution.
1590 [DECLTYPE_TYPE]: Remove init-capture handling.
1591 (tsubst_copy_and_build): Build concept checks, not template ids.
1592 Defer checks of function concepts. Handle concepts before variable
1593 templates. Handle calls to function concepts explicitly.
1594 (coerce_template_parms): Use concept_definition_p. Handle a deduction
1595 error where a potentially empty pack can be supplied after the last
1596 parameter of a concept.
1597 (finish_template_variable): Don't process concepts here.
1598 (instantiation_dependent_r): Use concept_check_p.
1599 (tsubst_template_args): Make non-static.
1600 (make_constrained_placeholder_type): New. Refactored from
1601 make_constrained_auto.
1602 (make_constrained_auto) Use make_constrained_placeholder_type.
1603 (make_constrained_decltype_auto) New.
1604 (tsubst_function_parms): New.
1605 (value_dependent_expression_p) [TEMPLATE_ID_EXPR]: Use
1606 concept_definition_p.
1607 (push_access_scope, pop_access_scope): No longer static.
1608 (tsubst_template_parm): Substitute TEMPLATE_PARM_CONSTRAINTS.
1609 (tsubst_friend_function): Use tsubst_constraint. Use generic_targs_for.
1610 (get_underlying_template) Use generic_targs_for.
1611 (uses_parameter_packs): Return tree.
1612 (gen_elem_of_pack_expansion_instantiation): Don't push
1613 local_specialization_stack.
1614 (prepend_one_capture): New.
1615 (tsubst_lambda_expr): Use prepend_one_capture. Don't touch
1616 local_specializations.
1617 (template_parms_level_to_args): No longer static.
1618 (add_outermost_template_args): Likewise.
1619 (find_template_parameter_info): New. Provide context for finding
1620 template parameters.
1621 (keep_template_parm): Don't keep parameters declared at depth levels
1622 greater than those of the template parameters of the source declaration.
1623 Don't propagate cv-qualified types. Return 0, so we find all template
1624 parameters, not the just first.
1625 (any_template_parm_r): New. Handle cases that are mishandled by
1626 for_each_template_parm_r.
1627 (generic_targs_for): Factor out of coerce_template_args_for_ttp.
1628 (tsubst_argument_pack): Factor out of tsubst_template_args.
1629 (constraint_sat_entry): Removed.
1630 (constraint_sat_hasher): Removed.
1631 (concept_spec_entry): Removed.
1632 (concept_spec_hasher): Removed.
1633 (constraint_memos): Removed.
1634 (concept_memos): Removed.
1635 (lookup_constraint_satisfaction): Removed.
1636 (memoize_constraint_satisfaction): Removed.
1637 (lookup_concept_satisfaction): Removed.
1638 (memoize_concept_satisfaction): Removed.
1639 (concept_expansions): Removed.
1640 (get_concept_expansion): Removed.
1641 (save_concept_expansion): Removed.
1642 (init_constraint_processing): Remove initialization of non-existing
1644 (find_template_requirement): New. Search for the sub-requirement
1645 within the associated constraints.
1646 (convert_generic_types_to_packs): Also transform the associated
1647 constraint and update the current template requirements.
1648 (store_defaulted_ttp, lookup_defaulted_ttp): Remove.
1649 (add_defaults_to_ttp): Use hash_map_safe_*.
1650 * semantics.c (finish_call_expr): Diagnose calls to concepts.
1651 Handle concept checks explicitly.
1652 (finish_id_expression): Evaluate variable concepts as part of
1653 id-expression processing. Don't treat variable concepts as variables,
1654 and don't process function concepts as plain id-expressions.
1655 (force_paren_expr): Add even_uneval parm.
1656 (finish_trait_expr): Add location parm.
1657 * tree.c (special_memfn_p): New.
1658 (cp_expr_location): Handle TRAIT_EXPR.
1659 * typeck.c (check_return_expr): Actually use the diagnostic kind
1660 when performing return-type deduction.
1661 * typeck2.c (build_functional_cast): Don't rely on the location of
1664 2019-10-09 Paolo Carlini <paolo.carlini@oracle.com>
1666 * decl.c (grok_ctor_properties): Use DECL_SOURCE_LOCATION.
1667 * typeck.c (cp_build_binary_op): Use the op_location_t argument
1668 in many error messages.
1670 2019-10-08 Martin Sebor <msebor@redhat.com>
1673 * call.c (maybe_warn_class_memaccess): Handle arrays.
1675 2019-10-07 Paolo Carlini <paolo.carlini@oracle.com>
1677 * call.c (resolve_args): Use cp_expr_loc_or_input_loc in one place.
1678 * decl.c (grokdeclarator): Use id_loc in one place.
1679 * decl2.c (build_anon_union_vars): Use DECL_SOURCE_LOCATION.
1680 * parser.c (cp_parser_delete_expression): Fix the location of the
1681 returned expression.
1682 (cp_parser_throw_expression): Likewise.
1683 * pt.c (determine_specialization): Use DECL_SOURCE_LOCATION.
1685 2019-10-05 Jakub Jelinek <jakub@redhat.com>
1687 PR c++/91369 - Implement P0784R7: constexpr new
1688 * cp-tree.h (enum cp_tree_index): Add CPTI_HEAP_UNINIT_IDENTIFIER,
1689 CPTI_HEAP_IDENTIFIER and CPTI_HEAP_DELETED_IDENTIFIER.
1690 (heap_uninit_identifier, heap_identifier, heap_deleted_identifier):
1692 (type_has_constexpr_destructor, build_new_constexpr_heap_type,
1693 cxx_constant_dtor): Declare.
1694 * class.c (type_maybe_constexpr_default_constructor): Make static.
1695 (type_maybe_constexpr_destructor, type_has_constexpr_destructor): New
1697 (finalize_literal_type_property): For c++2a, don't clear
1698 CLASSTYPE_LITERAL_P for types without trivial destructors unless they
1699 have non-constexpr destructors.
1700 (explain_non_literal_class): For c++2a, complain about non-constexpr
1701 destructors rather than about non-trivial destructors.
1702 * constexpr.c: Include stor-layout.h.
1703 (struct constexpr_global_ctx): New type.
1704 (struct constexpr_ctx): Add global field, remove values and
1705 constexpr_ops_count.
1706 (cxx_replaceable_global_alloc_fn): New inline function.
1707 (cxx_eval_call_expression): For c++2a allow calls to replaceable
1708 global allocation functions, for new return address of a heap uninit
1709 var, for delete record its deletion. Change ctx->values->{get,put} to
1710 ctx->global->values.{get,put}.
1711 (non_const_var_error): Add auto_diagnostic_group sentinel. Emit
1712 special diagnostics for heap variables.
1713 (cxx_eval_store_expression): Change ctx->values->{get,put} to
1714 ctx->global->values.{get,put}.
1715 (cxx_eval_loop_expr): Initialize jump_target if NULL. Change
1716 new_ctx.values->remove to ctx->global->values.remove.
1717 (cxx_eval_constant_expression): Change *ctx->constexpr_ops_count
1718 to ctx->global->constexpr_ops_count. Change ctx->values->{get,put} to
1719 ctx->global->values.{get,put}.
1720 <case NOP_EXPR>: Formatting fix. On cast of replaceable global
1721 allocation function to some pointer type, adjust the type of
1722 the heap variable and change name from heap_uninit_identifier
1724 (find_heap_var_refs): New function.
1725 (cxx_eval_outermost_constant_expr): Add constexpr_dtor argument,
1726 handle evaluation of constexpr dtors and add tracking of heap
1727 variables. Use tf_no_cleanup for get_target_expr_with_sfinae.
1728 (cxx_constant_value): Adjust cxx_eval_outermost_constant_expr caller.
1729 (cxx_constant_dtor): New function.
1730 (maybe_constant_value, fold_non_dependent_expr_template,
1731 maybe_constant_init_1): Adjust cxx_eval_outermost_constant_expr
1733 (potential_constant_expression_1): Ignore clobbers. Allow
1734 COND_EXPR_IS_VEC_DELETE for c++2a.
1735 * decl.c (initialize_predefined_identifiers): Add heap identifiers.
1736 (decl_maybe_constant_destruction): New function.
1737 (cp_finish_decl): Don't clear TREE_READONLY for constexpr variables
1738 with non-trivial, but constexpr destructors.
1739 (register_dtor_fn): For constexpr variables with constexpr non-trivial
1740 destructors call cxx_maybe_build_cleanup instead of adding destructor
1742 (expand_static_init): For constexpr variables with constexpr
1743 non-trivial destructors call cxx_maybe_build_cleanup.
1744 (grokdeclarator): Allow constexpr destructors for c++2a. Formatting
1746 (cxx_maybe_build_cleanup): For constexpr variables with constexpr
1747 non-trivial destructors call cxx_constant_dtor instead of adding
1748 destructor calls at runtime.
1749 * init.c: Include stor-layout.h.
1750 (build_new_constexpr_heap_type, maybe_wrap_new_for_constexpr): New
1752 (build_new_1): For c++2a and new[], add cast around the alloc call
1753 to help constexpr evaluation figure out the type of the heap storage.
1754 (build_vec_delete_1): Set DECL_INITIAL of tbase and emit a DECL_EXPR
1755 for it instead of initializing an uninitialized variable.
1756 * method.c: Include intl.h.
1757 (SFK_CTOR_P, SFK_DTOR_P, SFK_ASSIGN_P, SFK_COPY_P, SFK_MOVE_P): Move
1758 definitions earlier.
1759 (process_subob_fn): Add sfk argument, adjust non-constexpr call
1760 diagnostics based on it.
1761 (walk_field_subobs): Formatting fixes. Adjust process_subob_fn caller.
1762 (synthesized_method_base_walk): Likewise.
1763 (synthesized_method_walk): Set *constexpr_p to true for dtors in c++2a.
1764 Fix up DR number in comment.
1765 (implicitly_declare_fn): Formatting fix.
1766 * typeck2.c (store_init_value): Don't call cp_fully_fold_init on
1767 initializers of automatic non-constexpr variables in constexpr
1770 2019-10-04 Jakub Jelinek <jakub@redhat.com>
1773 * constexpr.c (cxx_fold_indirect_ref_1): New function.
1774 (cxx_fold_indirect_ref): Use it.
1777 * cp-gimplify.c (cp_gimplify_expr) <case CALL_EXPR>: For
1778 -fstrong-eval-order ensure CALL_EXPR_FN side-effects are evaluated
1779 before any arguments. Additionally, ensure CALL_EXPR_FN that isn't
1780 invariant nor OBJ_TYPE_REF nor SSA_NAME is forced into a temporary.
1782 2019-10-03 Paolo Carlini <paolo.carlini@oracle.com>
1784 * init.c (build_new): Use cp_expr_loc_or_input_loc in two places.
1785 * name-lookup.c (do_pushdecl): Use DECL_SOURCE_LOCATION.
1786 (push_class_level_binding_1): Likewise.
1787 (set_decl_namespace): Likewise.
1789 2019-10-03 Jakub Jelinek <jakub@redhat.com>
1791 * constexpr.c (cxx_eval_constant_expression) <case CLEANUP_STMT>: If
1792 not skipping upon entry to body, run cleanup with the same *jump_target
1793 as it started to run the cleanup even if the body returns, breaks or
1795 (potential_constant_expression_1): Allow CLEANUP_STMT.
1797 * constexpr.c (cxx_eval_store_expression): Formatting fix. Handle
1798 const_object_being_modified with array type.
1800 2019-10-02 Jason Merrill <jason@redhat.com>
1802 * typeck2.c (store_init_value): Only clear_cv_and_fold_caches if the
1805 2019-09-30 Jason Merrill <jason@redhat.com>
1807 Use hash_map_safe_* functions.
1808 * constexpr.c (maybe_initialize_fundef_copies_table): Remove.
1809 (get_fundef_copy): Use hash_map_safe_get_or_insert.
1810 * cp-objcp-common.c (cp_get_debug_type): Use hash_map_safe_*.
1811 * decl.c (store_decomp_type): Remove.
1812 (cp_finish_decomp): Use hash_map_safe_put.
1813 * init.c (get_nsdmi): Use hash_map_safe_*.
1814 * pt.c (store_defaulted_ttp, lookup_defaulted_ttp): Remove.
1815 (add_defaults_to_ttp): Use hash_map_safe_*.
1817 2019-10-02 Richard Biener <rguenther@suse.de>
1820 * decl.c (build_ptrmemfunc_type): Mark pointer-to-member
1821 fat pointer structure members as DECL_NONADDRESSABLE_P.
1823 2019-09-28 Marek Polacek <polacek@redhat.com>
1825 PR c++/91889 - follow-up fix for DR 2352.
1826 * call.c (involves_qualification_conversion_p): New function.
1827 (direct_reference_binding): Build a ck_qual if the conversion
1828 would involve a qualification conversion.
1829 (convert_like_real): Strip the conversion created by the ck_qual
1830 in direct_reference_binding.
1832 PR c++/91921 - stray warning with -Woverloaded-virtual.
1833 * class.c (warn_hidden): Only emit the second part of
1834 -Woverloaded-virtual if the first part was issued. Use inform instead
1837 PR c++/91923 - failure-to-SFINAE with class type NTTP in C++17.
1838 * pt.c (invalid_nontype_parm_type_p): Only emit errors when
1841 2019-09-27 Jakub Jelinek <jakub@redhat.com>
1844 * parser.c (cp_parser_omp_var_list_no_open): Parse predefined
1846 * semantics.c (finish_omp_clauses): Allow predefined variables in
1847 shared and firstprivate clauses, even when they are predetermined
1849 * cp-gimplify.c (cxx_omp_predetermined_sharing_1): Return
1850 OMP_CLAUSE_DEFAULT_SHARED for predefined variables.
1852 2019-09-27 Jason Merrill <jason@redhat.com>
1854 * constexpr.c (cxx_fold_indirect_ref): Use similar_type_p.
1855 (cxx_eval_indirect_ref): Likewise. Improve error location.
1857 * cp-tree.h (class iloc_sentinel): New.
1858 * decl.c (grokdeclarator, finish_enum_value_list): Use it.
1859 * mangle.c (mangle_decl_string): Use it.
1860 * pt.c (perform_typedefs_access_check): Use it.
1862 2019-09-27 Richard Sandiford <richard.sandiford@arm.com>
1864 * cp-tree.h (build_cxx_call): Take the original function decl
1865 as an optional final parameter.
1866 (cp_build_function_call_vec): Likewise.
1867 * call.c (build_cxx_call): Likewise. Pass all built-in calls to
1868 check_builtin_function_arguments.
1869 * typeck.c (build_function_call_vec): Take the original function
1870 decl as an optional final parameter and pass it to
1871 cp_build_function_call_vec.
1872 (cp_build_function_call_vec): Take the original function
1873 decl as an optional final parameter and pass it to build_cxx_call.
1875 2019-09-25 Marek Polacek <polacek@redhat.com>
1877 PR c++/91877 - ICE with converting member of packed struct.
1878 * call.c (convert_like_real): Use similar_type_p in an assert.
1880 2019-09-25 Paolo Carlini <paolo.carlini@oracle.com>
1882 * name-lookup.c (check_extern_c_conflict): Use DECL_SOURCE_LOCATION.
1883 (check_local_shadow): Use it in three additional places.
1885 2019-09-24 Jason Merrill <jason@redhat.com>
1887 * parser.c (cp_parser_postfix_expression): Do set location of
1888 dependent member call.
1890 2019-09-24 Marek Polacek <polacek@redhat.com>
1892 PR c++/91868 - improve -Wshadow location.
1893 * name-lookup.c (check_local_shadow): Use DECL_SOURCE_LOCATION
1894 instead of input_location.
1896 PR c++/91845 - ICE with invalid pointer-to-member.
1897 * expr.c (mark_use): Use error_operand_p.
1898 * typeck2.c (build_m_component_ref): Check error_operand_p after
1899 calling mark_[lr]value_use.
1901 2019-09-23 Paolo Carlini <paolo.carlini@oracle.com>
1903 * pt.c (check_explicit_specialization): Use cp_expr_loc_or_input_loc.
1904 (process_partial_specialization): Likewise.
1905 (convert_nontype_argument_function): Likewise.
1906 (invalid_tparm_referent_p): Likewise.
1907 (convert_template_argument): Likewise.
1908 (check_valid_ptrmem_cst_expr): Tidy.
1910 2019-09-23 Jason Merrill <jason@redhat.com>
1912 PR c++/91809 - bit-field and ellipsis.
1913 * call.c (convert_arg_to_ellipsis): Don't call decay_conversion for
1914 arithmetic arguments.
1916 2019-09-23 Marek Polacek <polacek@redhat.com>
1918 PR c++/91844 - Implement CWG 2352, Similar types and reference binding.
1919 * call.c (reference_related_p): Use similar_type_p instead of
1921 (reference_compatible_p): Update implementation to match CWG 2352.
1922 * cp-tree.h (similar_type_p): Declare.
1923 * typeck.c (similar_type_p): New.
1925 2019-09-22 Marek Polacek <polacek@redhat.com>
1927 PR c++/91819 - ICE with operator++ and enum.
1928 * call.c (build_new_op_1): Set arg2_type.
1930 2019-09-17 Jason Merrill <jason@redhat.com>
1932 * parser.c (cp_parser_statement): Handle [[likely]] on
1935 2019-09-19 Jason Merrill <jason@redhat.com>
1938 * call.c (build_new_op_1): Don't apply any standard conversions to
1939 the operands of a built-in operator. Don't suppress conversions in
1941 * typeck.c (cp_build_unary_op): Do integral promotions for enums.
1943 2019-09-16 Paolo Carlini <paolo.carlini@oracle.com>
1945 * decl.c (grokdeclarator): Use declspecs->locations and
1946 declarator->id_loc in a few error messages.
1947 * pt.c (finish_member_template_decl): Use DECL_SOURCE_LOCATION.
1948 (push_template_decl_real): Likewise.
1950 2019-09-15 Jason Merrill <jason@redhat.com>
1952 PR c++/30277 - int-width bit-field promotion.
1953 PR c++/33819 - long bit-field promotion.
1954 * typeck.c (cp_perform_integral_promotions): Handle large bit-fields
1955 properly. Handle 32-bit non-int bit-fields properly.
1956 (is_bitfield_expr_with_lowered_type): Don't look through NOP_EXPR.
1958 PR c++/82165 - enum bitfields and operator overloading.
1959 * call.c (build_new_op_1): Use unlowered_expr_type.
1961 * call.c (build_new_op_1): Don't apply any standard conversions to
1962 the operands of a built-in operator. Don't suppress conversions in
1964 * typeck.c (cp_build_unary_op): Do integral promotions for enums.
1966 2019-09-15 Marek Polacek <polacek@redhat.com>
1968 PR c++/91740 - ICE with constexpr call and ?: in ARRAY_REF.
1969 * pt.c (build_non_dependent_expr): Call build_non_dependent_expr for
1972 2019-09-15 Nathan Sidwell <nathan@acm.org>
1974 * cp-tree.h (DECL_CLONED_FUNCTION_P): Reimplement using
1975 IDENTIFIER_CDTOR_P, correct documentation.
1976 (DECL_CLONED_FUNCTION): Directly access field.
1977 (decl_cloned_function_p): Delete.
1978 * class.c (decl_cloned_function_p): Delete.
1979 * pt.c (instantiate_template_1): Check DECL_CHAIN is a decl.
1981 2019-09-11 Nathan Sidwell <nathan@acm.org>
1983 * c-objcp-common.c (cp-objcp-common.c): Alphababetize and
1984 correctly mark all C++ nodes.
1985 * decl.c (cp_tree_node_structure): Alphabetize.
1987 2019-09-10 Marek Polacek <polacek@redhat.com>
1989 PR c++/91673 - ICE with noexcept in alias-declaration.
1990 * parser.c (CP_PARSER_FLAGS_DELAY_NOEXCEPT): New parser flag.
1991 (cp_parser_lambda_declarator_opt): Pass CP_PARSER_FLAGS_NONE to
1992 cp_parser_exception_specification_opt.
1993 (cp_parser_direct_declarator): Adjust a call to
1994 cp_parser_exception_specification_opt.
1995 (cp_parser_member_declaration): Pass CP_PARSER_FLAGS_DELAY_NOEXCEPT
1996 to cp_parser_declarator if not processing a friend or typedef
1998 (cp_parser_late_noexcept_specifier): Adjust a call to
1999 cp_parser_noexcept_specification_opt.
2000 (cp_parser_noexcept_specification_opt): New parameter for parser flags,
2001 drop the FRIEND_P parameter. Use the new parameter.
2002 (cp_parser_exception_specification_opt): Likewise.
2003 (cp_parser_transaction): Adjust a call to
2004 cp_parser_noexcept_specification_opt.
2005 (cp_parser_transaction_expression): Likewise.
2007 2019-09-10 Marek Polacek <polacek@redhat.com>
2009 PR c++/91705 - constexpr evaluation rejects ++/-- on floats.
2010 * constexpr.c (cxx_eval_increment_expression): Call fold_simple on
2013 2019-09-10 Paolo Carlini <paolo.carlini@oracle.com>
2015 * decl.c (has_designator_problem): Use cp_expr_loc_or_input_loc
2017 (build_enumerator): Likewise.
2018 (cp_finish_decl): Use DECL_SOURCE_LOCATION.
2019 (grokdeclarator): Use id_loc in two error_at; change errror
2020 message about constinit together constexpr to use two ranges.
2022 2019-09-09 Marek Polacek <polacek@redhat.com>
2024 PR c++/84374 - diagnose invalid uses of decltype(auto).
2025 * decl.c (grokdeclarator): Diagnose wrong usage of decltype(auto) in
2026 a function declaration.
2028 2019-09-06 Nathan Sidwell <nathan@acm.org>
2031 * cp-tree.h (IDENTIFIER_REPO_CHOSEN, DECL_REPO_AVAILABLE_P): Delete.
2032 (struct lang_decl_base): Remove repo_available_p.
2033 * decl.c (duplicate_decls): Don't copy DECL_REPO_AVAILABLE_P.
2035 (Reserve TREE_LANG_FLAG_3 for modules.
2036 * cp-tree.h (DECL_CONSTRUCTION_VTABLE_P): Delete.
2037 (DECL_NON_TRIVIALLY_INITIALIZED_P): Move to TREE_LANG_FLAG_6.
2038 * class.c (build_ctor_vtbl_group): Don't set
2039 DECL_CONSTRUCTION_VTABLE_P.
2040 * decl2.c (determine_visibility_from_class): Don't check
2041 DECL_CONSTRUCTION_VTABLE_P anymore.
2043 2019-09-06 Martin Liska <mliska@suse.cz>
2046 * Make-lang.in: Remove repo.o.
2047 * config-lang.in: Likewise.
2048 * cp-tree.h (init_repo): Remove declarations
2049 of repo-related functions.
2050 (repo_emit_p): Likewise.
2051 (repo_export_class_p): Likewise.
2052 (finish_repo): Likewise.
2053 * decl2.c (import_export_class): Always
2055 (mark_needed): Remove -frepo from comment.
2056 (import_export_decl): Similarly here.
2057 (c_parse_final_cleanups): Remove call of finish_repo.
2058 * lex.c (cxx_init): Remove call to init_repo.
2059 * optimize.c (can_alias_cdtor): Remove dead condition.
2060 * pt.c (push_template_decl_real): Update comment.
2061 (instantiate_decl): Remove dead code used for -frepo.
2064 2019-09-05 Marek Polacek <polacek@redhat.com>
2066 PR c++/91644 - ICE with constinit in function template.
2067 * decl.c (start_decl): Call retrofit_lang_decl for constinit variables.
2068 * pt.c (tsubst_expr): Pass LOOKUP_CONSTINIT down to cp_finish_decl for
2069 constinit variables.
2071 2019-09-05 Nathan Sidwell <nathan@acm.org>
2073 * cp-tree.h (DECL_VTABLE_OR_VTT_P): Forward to DECL_VIRTUAL_P.
2075 2019-09-04 Marek Polacek <polacek@redhat.com>
2077 * call.c (build_over_call): Remove -fdeduce-init-list implementation.
2078 * pt.c (unify): Likewise.
2080 2019-09-01 Marek Polacek <polacek@redhat.com>
2082 PR c++/91129 - wrong error with binary op in template argument.
2083 * typeck.c (warn_for_null_address): Use fold_for_warn instead of
2084 fold_non_dependent_expr.
2085 (cp_build_binary_op): Likewise.
2087 2019-08-30 Jason Merrill <jason@redhat.com>
2089 Add source location to TRAIT_EXPR.
2090 * cp-tree.h (TRAIT_EXPR_LOCATION): New.
2091 (struct tree_trait_expr): Add locus field.
2092 * parser.c (cp_parser_trait_expr): Pass trait_loc down.
2093 * pt.c (tsubst_copy_and_build) [TRAIT_EXPR]: Likewise.
2094 * semantics.c (finish_trait_expr): Add location parm.
2095 * tree.c (cp_expr_location): Handle TRAIT_EXPR.
2097 2019-08-29 Paolo Carlini <paolo.carlini@oracle.com>
2099 * decl.c (check_var_type): Add location_t parameter and use it.
2100 (grokdeclarator): Adjust call.
2101 * pt.c (tsubst_decl): Likewise.
2102 * cp-tree.h: Adjust declaration.
2104 2019-08-28 Marek Polacek <polacek@redhat.com>
2106 Implement P1152R4: Deprecating some uses of volatile.
2108 * cp-gimplify.c (cp_fold): Set TREE_THIS_VOLATILE.
2109 * decl.c (grokdeclarator): Warn about a volatile-qualified structured
2110 binding and return type.
2111 (grokparms): Warn about a volatile-qualified function parameter.
2112 * expr.c (mark_use) <case MODIFY_EXPR>: Emit a -Wvolatile warning.
2113 * typeck.c (cp_build_unary_op): Emit a -Wvolatile warning for pre and
2114 post ++/-- on a volatile operand.
2115 (genericize_compound_lvalue): Use a better location. Don't lose
2117 (cp_build_modify_expr): Emit a -Wvolatile warning for a compound
2118 assignment whose LHS is volatile-qualified. Build the assignment with
2119 a more precise location.
2121 2019-08-28 Marek Polacek <polacek@redhat.com>
2123 PR c++/91360 - Implement C++20 P1143R2: constinit.
2124 * cp-tree.h (TINFO_VAR_DECLARED_CONSTINIT): Define.
2125 (LOOKUP_CONSTINIT): Define.
2126 (enum cp_decl_spec): Add ds_constinit.
2127 * decl.c (check_tag_decl): Give an error for constinit in type
2129 (check_initializer): Also check LOOKUP_CONSTINIT.
2130 (cp_finish_decl): Add checking for a constinit declaration. Set
2131 TINFO_VAR_DECLARED_CONSTINIT.
2132 (grokdeclarator): Add checking for a declaration with the constinit
2134 * lex.c (init_reswords): Handle D_CXX20.
2135 * parser.c (cp_lexer_get_preprocessor_token): Pass a better location
2136 to warning_at. Warn about C++20 keywords.
2137 (cp_keyword_starts_decl_specifier_p): Handle RID_CONSTINIT.
2138 (cp_parser_diagnose_invalid_type_name): Add an inform about constinit.
2139 (cp_parser_decomposition_declaration): Maybe pass LOOKUP_CONSTINIT to
2141 (cp_parser_decl_specifier_seq): Handle RID_CONSTINIT.
2142 (cp_parser_init_declarator): Maybe pass LOOKUP_CONSTINIT to
2144 (set_and_check_decl_spec_loc): Add "constinit".
2145 * pt.c (tsubst_decl): Set TINFO_VAR_DECLARED_CONSTINIT.
2146 (instantiate_decl): Maybe pass LOOKUP_CONSTINIT to cp_finish_decl.
2147 * typeck2.c (store_init_value): If a constinit variable wasn't
2148 initialized using a constant initializer, give an error.
2150 2019-08-28 Nathan Sidwell <nathan@acm.org>
2153 * name-lookup.c (cp_emit_debug_info): Check for builtins during
2156 2019-08-27 Marek Polacek <polacek@redhat.com>
2158 PR c++/81676 - bogus -Wunused warnings in constexpr if.
2159 * semantics.c (maybe_mark_exp_read_r): New function.
2160 (finish_if_stmt): Call it on THEN_CLAUSE and ELSE_CLAUSE.
2162 PR c++/91428 - warn about std::is_constant_evaluated in if constexpr.
2163 * cp-tree.h (decl_in_std_namespace_p): Declare.
2164 * semantics.c (is_std_constant_evaluated_p): New.
2165 (finish_if_stmt_cond): Warn about "std::is_constant_evaluated ()" in
2167 * typeck.c (decl_in_std_namespace_p): No longer static.
2169 2019-08-26 Jason Merrill <jason@redhat.com>
2171 * decl.c (duplicate_decls): Always merge DECL_DECLARED_CONSTEXPR_P.
2173 2019-08-26 Marek Polacek <polacek@redhat.com>
2175 PR c++/91545 - ICE in constexpr store evaluation.
2176 * constexpr.c (cxx_eval_store_expression): Check FIELD_DECL instead
2179 2019-08-24 Nathan Sidwell <nathan@acm.org>
2181 * class.c (check_for_overrides): Conversion operators need
2184 2019-08-24 Paolo Carlini <paolo.carlini@oracle.com>
2186 * semantics.c (finish_switch_cond): Improve error message location.
2188 2019-08-23 Jason Merrill <jason@redhat.com>
2190 * decl2.c (decl_dependent_p): New.
2191 (mark_used): Check it instead of just processing_template_decl.
2193 2019-08-23 Jason Merrill <jason@redhat.com>
2195 * parser.c (cp_parser_nested_name_specifier_opt): Avoid redundant
2198 2019-08-23 Marek Polacek <polacek@redhat.com>
2200 PR c++/91521 - wrong error with operator->.
2201 * decl.c (grokdeclarator): Return error_mark_node for an invalid
2202 trailing return type.
2204 PR c++/79817 - attribute deprecated on namespace.
2205 * cp-tree.h (cp_warn_deprecated_use_scopes): Declare.
2206 * decl.c (grokdeclarator): Call cp_warn_deprecated_use_scopes.
2207 (type_is_deprecated): Likewise.
2208 * decl2.c (cp_warn_deprecated_use_scopes): New function.
2209 * name-lookup.c (handle_namespace_attrs): Handle attribute deprecated.
2210 * parser.c (cp_parser_namespace_alias_definition): Call
2211 cp_warn_deprecated_use_scopes.
2212 (cp_parser_using_declaration): Likewise.
2213 (cp_parser_using_directive): Likewise.
2214 * semantics.c (finish_id_expression_1): Likewise.
2216 2019-08-23 Nathan Sidwell <nathan@acm.org>
2218 * class.c (check_for_override): Checking IDENTIFIER_VIRTUAL_P is
2219 sufficient, reorder DECL_OVERRIDE_P check.
2221 2019-08-23 Iain Sandoe <iain@sandoe.co.uk>
2224 * parser.c (cp_parser_initial_pragma): Call c_common_no_more_pch ()
2225 after determining that the first token is not
2226 PRAGMA_GCC_PCH_PREPROCESS.
2228 2019-08-22 Marek Polacek <polacek@redhat.com>
2230 PR c++/91304 - prefix attributes ignored in condition.
2231 * parser.c (cp_parser_condition): Handle prefix attributes.
2233 2019-08-21 Richard Sandiford <richard.sandiford@arm.com>
2236 * decl.c (duplicate_decls): Call copy_attributes_to_builtin inside
2237 the BUILT_IN_NORMAL block rather than afterward.
2239 2019-08-19 Marek Polacek <polacek@redhat.com>
2241 PR c++/91264 - detect modifying const objects in constexpr.
2242 * constexpr.c (modifying_const_object_error): New function.
2243 (cxx_eval_call_expression): Set TREE_READONLY on a CONSTRUCTOR of
2244 a const-qualified object after it's been fully constructed.
2245 (modifying_const_object_p): New function.
2246 (cxx_eval_store_expression): Detect modifying a const object
2247 during constant expression evaluation.
2248 (cxx_eval_increment_expression): Use a better location when building
2250 (cxx_eval_constant_expression) <case DECL_EXPR>: Mark a constant
2251 object's constructor TREE_READONLY.
2253 2019-08-15 Jason Merrill <jason@redhat.com>
2255 PR c++/90393 - ICE with thow in ?:
2257 PR c++/64372, DR 1560 - Gratuitous lvalue-to-rvalue conversion in ?:
2258 * tree.c (lvalue_kind): Handle throw in one arm.
2259 * typeck.c (rationalize_conditional_expr): Likewise.
2260 (cp_build_modify_expr): Likewise.
2262 2019-08-14 Jason Merrill <jason@redhat.com>
2264 Implement P0848R3, Conditionally Trivial Special Member Functions.
2265 * tree.c (special_memfn_p): New.
2266 * class.c (add_method): When overloading, hide ineligible special
2268 (check_methods): Set TYPE_HAS_COMPLEX_* here.
2269 * decl.c (grok_special_member_properties): Not here.
2270 * name-lookup.c (push_class_level_binding_1): Move overloaded
2271 functions case down, accept FUNCTION_DECL as target_decl.
2273 2019-08-14 Jonathan Wakely <jwakely@redhat.com>
2276 * name-lookup.c (get_std_name_hint): Fix min_dialect field for
2277 complex_literals and make_unique entries.
2279 2019-08-14 Jakub Jelinek <jakub@redhat.com>
2280 Marek Polacek <polacek@redhat.com>
2282 PR c++/91391 - bogus -Wcomma-subscript warning.
2283 * parser.c (cp_parser_postfix_open_square_expression): Don't warn about
2284 a deprecated comma here. Pass warn_comma_subscript down to
2285 cp_parser_expression.
2286 (cp_parser_expression): New bool parameter. Warn about uses of a comma
2287 operator within a subscripting expression.
2288 (cp_parser_skip_to_closing_square_bracket): Revert to pre-r274121 state.
2289 (cp_parser_skip_to_closing_square_bracket_1): Remove.
2291 2019-08-14 Jonathan Wakely <jwakely@redhat.com>
2293 * name-lookup.c (get_std_name_hint): Add more entries.
2295 2019-08-14 Paolo Carlini <paolo.carlini@oracle.com>
2297 * decl2.c (grok_array_decl): Use the location of the open square
2298 bracket in error message about invalid types.
2300 2019-08-14 Paolo Carlini <paolo.carlini@oracle.com>
2302 * decl.c (grokdeclarator): Check here for typedef a function
2303 definition or a member function definition.
2304 (start_function): Adjust.
2305 (grokmethod): Likewise.
2307 2019-08-13 Richard Sandiford <richard.sandiford@arm.com>
2310 * decl.c (duplicate_decls): Use copy_decl_built_in_function.
2311 * pt.c (declare_integer_pack): Use set_decl_built_in_function.
2313 2019-08-13 Marek Polacek <polacek@redhat.com>
2315 PR c++/90473 - wrong code with nullptr in default argument.
2316 * call.c (null_ptr_cst_p): Update quote from the standard.
2317 * decl.c (check_default_argument): Don't return nullptr when the arg
2320 2019-08-13 Marek Polacek <polacek@redhat.com>
2322 * cp-tree.h (DECL_MUTABLE_P): Use FIELD_DECL_CHECK.
2324 2019-08-10 Jakub Jelinek <jakub@redhat.com>
2326 * parser.c (cp_parser_omp_clause_name): Parse device_type.
2327 (cp_parser_omp_clause_device_type): New function.
2328 (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_DEVICE_TYPE.
2329 (OMP_DECLARE_TARGET_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_DEVICE_TYPE.
2330 (cp_parser_omp_declare_target): Handle device_type clauses. Remove
2331 diagnostics for declare target with clauses nested in clause-less
2332 declare target declaration-definition-seq.
2333 * semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_DEVICE_TYPE.
2335 2019-08-09 Jakub Jelinek <jakub@redhat.com>
2337 * parser.c (check_no_duplicate_clause): Simplify using
2339 (cp_parser_omp_clause_if): Fix up printing of target {enter,exit} data
2340 directive name modifiers.
2343 * parser.c (cp_parser_omp_clause_dist_schedule): Comment out the
2344 check_no_duplicate_clause call, instead emit a warning for duplicate
2345 dist_schedule clauses.
2347 2019-08-08 Paolo Carlini <paolo.carlini@oracle.com>
2349 * decl.c (grokdeclarator): Use id_loc and EXPR_LOCATION in
2350 a few error messages.
2352 2019-08-08 Marek Polacek <polacek@redhat.com>
2354 PR c++/87519 - bogus warning with -Wsign-conversion.
2355 * typeck.c (cp_build_binary_op): Use same_type_p instead of comparing
2358 * constexpr.c (inline_asm_in_constexpr_error): New.
2359 (cxx_eval_constant_expression) <case ASM_EXPR>: Call it.
2360 (potential_constant_expression_1) <case ASM_EXPR>: Likewise.
2362 2019-08-08 Jakub Jelinek <jakub@redhat.com>
2364 * semantics.c (finish_omp_clauses): For C_ORT_OMP
2365 OMP_CLAUSE_USE_DEVICE_* clauses use oacc_reduction_head bitmap
2366 instead of generic_head to track duplicates.
2368 2019-08-07 Marek Polacek <polacek@redhat.com>
2370 PR c++/81429 - wrong parsing of constructor with C++11 attribute.
2371 * parser.c (cp_parser_constructor_declarator_p): Handle the scenario
2372 when a parameter declaration begins with [[attribute]].
2374 2019-08-07 Marek Polacek <polacek@redhat.com>
2376 PR c++/91346 - Implement P1668R1, allow unevaluated asm in constexpr.
2377 * constexpr.c (cxx_eval_constant_expression): Handle ASM_EXPR.
2378 (potential_constant_expression_1) <case ASM_EXPR>: Allow.
2379 * cp-tree.h (finish_asm_stmt): Adjust.
2380 * parser.c (cp_parser_asm_definition): Grab the locaion of "asm" and
2381 use it. Change an error to a pedwarn. Allow asm in C++2a, warn
2383 * pt.c (tsubst_expr): Pass a location down to finish_asm_stmt.
2384 * semantics.c (finish_asm_stmt): New location_t parameter. Use it.
2386 2019-08-07 Jakub Jelinek <jakub@redhat.com>
2388 * parser.c (cp_parser_omp_clause_name): Parse use_device_addr clause.
2389 (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_USE_DEVICE_ADDR.
2390 (OMP_TARGET_DATA_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_USE_DEVICE_ADDR.
2391 (cp_parser_omp_target_data): Handle PRAGMA_OMP_CLAUSE_USE_DEVICE_ADDR
2392 like PRAGMA_OMP_CLAUSE_USE_DEVICE_PTR, adjust diagnostics about no
2393 map or use_device_* clauses.
2394 * semantics.c (finish_omp_clauses): For OMP_CLAUSE_USE_DEVICE_PTR
2395 in OpenMP, require pointer or reference to pointer type rather than
2396 pointer or array or reference to pointer or array type. Handle
2397 OMP_CLAUSE_USE_DEVICE_ADDR.
2398 * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_USE_DEVICE_ADDR.
2400 2019-08-06 Jason Merrill <jason@redhat.com>
2402 PR c++/91378 - ICE with noexcept and auto return type.
2403 * pt.c (maybe_instantiate_noexcept): push_to_top_level.
2405 2019-08-06 Paolo Carlini <paolo.carlini@oracle.com>
2407 * decl.c (check_array_designated_initializer): Use
2408 cp_expr_loc_or_input_loc in one place.
2410 2019-08-06 Jakub Jelinek <jakub@redhat.com>
2412 * parser.c (cp_parser_omp_for_loop): For OMP_LOOP, ignore parallel
2413 clauses and predetermine iterator as lastprivate.
2414 * semantics.c (handle_omp_for_class_iterator): Use
2415 OMP_CLAUSE_LASTPRIVATE_LOOP_IV instead of
2416 OMP_CLAUSE_LASTPRIVATE_TASKLOOP_IV, set it for lastprivate also
2417 on OMP_LOOP construct. If a clause is missing for class iterator
2418 on OMP_LOOP, add firstprivate clause, and if there is private
2419 clause, turn it into firstprivate too.
2420 (finish_omp_for): Formatting fix. For OMP_LOOP, adjust
2421 OMP_CLAUSE_LASTPRIVATE_LOOP_IV clause CP_CLAUSE_INFO, so that it
2422 uses copy ctor instead of default ctor.
2423 * cp-gimplify.c (cp_gimplify_expr): Handle OMP_LOOP like
2425 (cp_fold_r): Likewise.
2426 (cp_genericize_r): Likewise.
2427 (cxx_omp_finish_clause): Also finish lastprivate clause with
2428 OMP_CLAUSE_LASTPRIVATE_LOOP_IV flag.
2429 * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_BIND.
2430 (tsubst_omp_for_iterator): For OMP_LOOP, ignore parallel
2431 clauses and predetermine iterator as lastprivate.
2432 * constexpr.c (potential_constant_expression_1): Handle OMP_LOOP
2433 like OMP_DISTRIBUTE etc.
2435 2019-08-05 Marek Polacek <polacek@redhat.com>
2437 DR 2413 - typename in conversion-function-ids.
2438 * parser.c (cp_parser_conversion_type_id): Call
2439 cp_parser_type_specifier_seq with CP_PARSER_FLAGS_TYPENAME_OPTIONAL
2440 instead of CP_PARSER_FLAGS_NONE.
2442 2019-08-05 Paolo Carlini <paolo.carlini@oracle.com>
2444 * cp-tree.h (cp_expr_loc_or_input_loc): New.
2445 (cxx_incomplete_type_diagnostic): Use it.
2446 * call.c (build_converted_constant_expr_internal, convert_like_real,
2447 convert_arg_to_ellipsis, convert_for_arg_passing, build_over_call,
2448 build_cxx_call, perform_implicit_conversion_flags,
2449 initialize_reference): Likewise.
2450 * constexpr.c (cxx_eval_internal_function, cxx_eval_call_expression,
2451 eval_and_check_array_index, cxx_eval_store_expression,
2452 cxx_eval_statement_list, cxx_eval_loop_expr,
2453 cxx_eval_constant_expression, potential_constant_expression_1):
2455 * constraint.cc (check_for_logical_overloads,
2456 satisfy_predicate_constraint): Likewise.
2457 * cp-gimplify.c (cp_gimplify_expr): Likewise.
2458 * cvt.c (cp_convert_to_pointer, convert_to_reference,
2459 cp_convert_and_check, ocp_convert, maybe_warn_nodiscard): Likewise.
2460 * decl.c (pop_switch): Likewise.
2461 * decl2.c (delete_sanity): Likewise.
2462 * error.c (location_of): Likewise.
2463 * init.c (maybe_warn_list_ctor, build_aggr_init,
2464 warn_placement_new_too_small, build_new_1, build_vec_init): Likewise.
2465 * lex.c (unqualified_name_lookup_error): Likewise.
2466 * parser.c (cp_parser_initializer_list, cp_parser_omp_for_cond):
2468 * pt.c (check_for_bare_parameter_packs, check_valid_ptrmem_cst_expr,
2469 unify_arg_conversion, convert_nontype_argument,
2470 tsubst_copy_and_build, resolve_typename_type): Likewise.
2471 * semantics.c (maybe_convert_cond, finish_call_expr,
2472 cp_build_vec_convert): Likewise.
2473 * typeck.c (decay_conversion, rationalize_conditional_expr,
2474 cp_build_unary_op, build_x_compound_expr_from_list,
2475 maybe_warn_about_returning_address_of_local,
2476 maybe_warn_pessimizing_move): Likewise.
2477 * typeck2.c (check_narrowing, digest_init_r,
2478 process_init_constructor_array): Likewise.
2480 2019-08-05 Tom Honermann <tom@honermann.net>
2482 * parser.c (cp_parser_template_declaration_after_parameters): Enable
2483 class template argument deduction for non-type template parameters
2484 in literal operator templates.
2486 2019-08-05 Marek Polacek <polacek@redhat.com>
2488 PR c++/91338 - Implement P1161R3: Deprecate a[b,c].
2489 * parser.c (cp_parser_postfix_open_square_expression): Warn about uses
2490 of a comma operator within a subscripting expression.
2491 (cp_parser_skip_to_closing_square_bracket_1): New function, made out
2493 (cp_parser_skip_to_closing_square_bracket): ...this.
2495 2019-08-05 Jason Merrill <jason@redhat.com>
2497 * semantics.c (force_paren_expr): Preserve location.
2499 2019-08-02 Marek Polacek <polacek@redhat.com>
2501 PR c++/91230 - wrong error with __PRETTY_FUNCTION__ and generic lambda.
2502 * pt.c (value_dependent_expression_p): Consider __PRETTY_FUNCTION__
2503 inside a template function value-dependent.
2505 2019-08-02 Paolo Carlini <paolo.carlini@oracle.com>
2507 * tree.c (handle_nodiscard_attribute): Do not warn about nodiscard
2508 applied to a constructor.
2510 2019-08-02 Martin Liska <mliska@suse.cz>
2512 * decl.c (grok_op_properties):
2513 Mark DECL_SET_IS_OPERATOR_DELETE for user-provided delete operators.
2515 2019-08-01 Martin Sebor <msebor@redhat.com>
2518 * decl.c (reshape_init_array_1): Avoid truncating initializer
2519 lists containing string literals.
2521 2019-08-01 Marek Polacek <polacek@redhat.com>
2523 PR c++/90805 - detect narrowing in case values.
2524 * decl.c (case_conversion): Detect narrowing in case values.
2526 2019-07-31 Paolo Carlini <paolo.carlini@oracle.com>
2528 * decl2.c (delete_sanity): Improve diagnostic locations, use
2529 cp_expr_loc_or_loc in four places.
2531 2019-07-31 Jason Merrill <jason@redhat.com>
2533 PR c++/90538 - multiple expansions of capture packs
2534 * cp-tree.h (DECLTYPE_FOR_INIT_CAPTURE): Remove.
2535 * lambda.c (add_capture): Copy parameter packs from init.
2536 (lambda_capture_field_type): Always use auto for init-capture.
2537 * pt.c (uses_parameter_packs): Return tree.
2538 (tsubst) [DECLTYPE_TYPE]: Remove init-capture handling.
2539 (gen_elem_of_pack_expansion_instantiation): Don't push
2540 local_specialization_stack.
2541 (prepend_one_capture): New.
2542 (tsubst_lambda_expr): Use it. Don't touch local_specializations.
2543 (do_auto_deduction): Avoid redundant error.
2545 Fix copy_node of TEMPLATE_INFO.
2546 * cp-tree.h (struct tree_template_info): Use tree_base instead of
2547 tree_common. Add tmpl and args fields.
2548 (TI_TEMPLATE, TI_ARGS): Adjust.
2550 2019-07-30 Martin Liska <mliska@suse.cz>
2552 PR tree-optimization/91270
2553 * tree-ssa-dce.c (propagate_necessity): Mark 2nd argument
2554 of delete operator as needed.
2556 2019-07-25 Martin Liska <mliska@suse.cz>
2557 Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
2560 * decl.c (cxx_init_decl_processing): Mark delete operators
2561 with DECL_SET_IS_OPERATOR_DELETE.
2563 2019-07-25 Martin Liska <mliska@suse.cz>
2565 * decl.c (duplicate_decls): Use new macros
2566 (e.g. DECL_SET_LAMBDA_FUNCTION and DECL_LAMBDA_FUNCTION_P).
2567 (cxx_init_decl_processing): Likewise.
2568 (grok_op_properties): Likewise.
2569 * parser.c (cp_parser_lambda_declarator_opt): Likewise.
2571 2019-07-24 Martin Sebor <msebor@redhat.com>
2574 * decl.c (finish_function): Use lang_mask.
2576 2019-07-20 Jason Merrill <jason@redhat.com>
2578 * cp-tree.h (ovl_iterator::using_p): A USING_DECL by itself was also
2579 introduced by a using-declaration.
2581 2019-07-20 Jason Merrill <jason@redhat.com>
2583 Reduce memory consumption for push/pop_access_scope.
2584 * name-lookup.c (leave_scope): Do add class levels other than
2585 previous_class_level to free_binding_level.
2586 (invalidate_class_lookup_cache): Move from class.c, add to
2588 * pt.c (saved_access_scope): Change from list to vec.
2590 2019-07-20 Jakub Jelinek <jakub@redhat.com>
2592 * cp-tree.h (OMP_FOR_GIMPLIFYING_P): Use OMP_LOOPING_CHECK
2593 instead of OMP_LOOP_CHECK.
2594 * parser.c (cp_parser_omp_clause_name): Handle bind clause.
2595 (cp_parser_omp_clause_bind): New function.
2596 (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_BIND.
2597 (OMP_LOOP_CLAUSE_MASK): Define.
2598 (cp_parser_omp_loop): New function.
2599 (cp_parser_omp_parallel, cp_parser_omp_teams): Handle parsing of
2600 loop combined with parallel or teams.
2601 (cp_parser_omp_construct): Handle PRAGMA_OMP_LOOP.
2602 (cp_parser_pragma): Likewise.
2603 * pt.c (tsubst_expr): Handle OMP_LOOP.
2604 * semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_BIND.
2606 2019-07-19 Jason Merrill <jason@redhat.com>
2608 PR c++/90101 - dependent class non-type parameter.
2609 * pt.c (invalid_nontype_parm_type_p): Check for dependent class type.
2611 2019-07-18 Jason Merrill <jason@redhat.com>
2613 PR c++/90098 - partial specialization and class non-type parms.
2616 * call.c (build_converted_constant_expr_internal): Don't copy.
2617 * pt.c (process_partial_specialization): Allow VIEW_CONVERT_EXPR
2618 around class non-type parameter.
2619 (unify) [TEMPLATE_PARM_INDEX]: Ignore cv-quals.
2621 2019-07-16 Jason Merrill <jason@redhat.com>
2623 * parser.c (make_location): Add overload taking cp_lexer* as last
2626 * parser.c (cp_parser_simple_type_specifier): Separate tentative
2627 parses for optional type-spec and CTAD.
2629 * parser.c (cp_parser_nested_name_specifier_opt): If the token is
2630 already CPP_NESTED_NAME_SPECIFIER, leave it alone.
2632 2019-07-12 Jakub Jelinek <jakub@redhat.com>
2634 * parser.c (cp_parser_omp_clause_name): Handle order clause.
2635 (cp_parser_omp_clause_order): New function.
2636 (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_ORDER.
2637 (OMP_SIMD_CLAUSE_MASK, OMP_FOR_CLAUSE_MASK): Add
2638 PRAGMA_OMP_CLAUSE_ORDER.
2639 * semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_ORDER.
2640 * pt.c (tsubst_omp_clauses): Likewise.
2642 2019-07-10 Paolo Carlini <paolo.carlini@oracle.com>
2644 * decl.c (get_type_quals,
2645 smallest_type_location (const cp_decl_specifier_seq*)): New.
2646 (check_tag_decl): Use smallest_type_location in error_at about
2647 multiple types in one declaration.
2648 (grokdeclarator): Use locations[ds_complex] in error_at about
2649 complex invalid; use locations[ds_storage_class] in error_at
2650 about static cdtor; use id_loc in error_at about flexible
2651 array member in union; use get_type_quals.
2653 2019-07-09 Martin Sebor <msebor@redhat.com>
2656 * cp-tree.h: Change class-key of PODs to struct and others to class.
2658 * semantics.c (finalize_nrv_r): Same.
2660 2019-07-09 Martin Sebor <msebor@redhat.com>
2663 * constexpr.c (cxx_eval_call_expression): Change class-key from class
2664 to struct and vice versa to match convention and avoid -Wclass-is-pod
2665 and -Wstruct-no-pod.
2666 * constraint.cc (get_concept_definition): Same.
2668 * cxx-pretty-print.h: Same.
2670 * logic.cc (term_list::replace): Same.
2671 * name-lookup.c (find_local_binding): Same.
2672 * pt.c (tsubst_binary_right_fold): Same.
2673 * search.c (field_accessor_p): Same.
2674 * semantics.c (expand_or_defer_fn): Same.
2676 2019-07-08 Jakub Jelinek <jakub@redhat.com>
2679 * decl2.c (cp_omp_mappable_type_1): Don't emit any note for
2680 error_mark_node type.
2682 2019-07-05 Jakub Jelinek <jakub@redhat.com>
2686 * call.c (build_new_method_call_1): Remove set but not used variable
2689 2019-07-05 Paolo Carlini <paolo.carlini@oracle.com>
2691 PR c++/67184 (again)
2693 * call.c (build_over_call): Devirtualize user-defined operators
2694 coming from a base too.
2695 (build_new_method_call_1): Do not devirtualize here.
2697 2019-07-04 Marek Polacek <polacek@redhat.com>
2700 PR c++/83374 - __is_standard_layout wrong for a class with repeated
2702 * class.c (check_bases): Set CLASSTYPE_NON_STD_LAYOUT for a class if
2703 CLASSTYPE_REPEATED_BASE_P is true.
2705 2019-07-04 Andrew Stubbs <ams@codesourcery.com>
2707 * cp-tree.h (cp_omp_emit_unmappable_type_notes): New prototype.
2708 * decl.c (cp_finish_decl): Call cp_omp_emit_unmappable_type_notes.
2709 * decl2.c (cp_omp_mappable_type): Move contents to ...
2710 (cp_omp_mappable_type_1): ... here and add note output.
2711 (cp_omp_emit_unmappable_type_notes): New function.
2712 * semantics.c (finish_omp_clauses): Call
2713 cp_omp_emit_unmappable_type_notes in four places.
2715 2019-07-03 Martin Liska <mliska@suse.cz>
2717 * call.c (build_new_op_1): Remove dead assignemts.
2718 * typeck.c (cp_build_binary_op): Likewise.
2720 2019-06-27 Jason Merrill <jason@redhat.com>
2722 PR c++/55442 - memory-hog with highly recursive constexpr.
2723 * constexpr.c (push_cx_call_context): Return depth.
2724 (cxx_eval_call_expression): Don't cache past constexpr_cache_depth.
2726 2019-06-27 Jan Hubicka <jh@suse.cz>
2728 * class.c (layout_class_type): Set TYPE_CXX_ODR_P for as-base
2731 2019-06-27 Martin Liska <mliska@suse.cz>
2733 * class.c (adjust_clone_args): Remove obviously
2735 (dump_class_hierarchy_r): Likewise.
2736 * decl.c (check_initializer): Likewise.
2737 * parser.c (cp_parser_lambda_expression): Likewise.
2738 * pt.c (unify_bound_ttp_args): Likewise.
2739 (convert_template_argument): Likewise.
2740 * rtti.c (build_headof): Likewise.
2741 * typeck.c (convert_for_initialization): Likewise.
2743 2019-06-25 Jason Merrill <jason@redhat.com>
2745 PR c++/70462 - unnecessary base ctor variant with final.
2746 * optimize.c (populate_clone_array): Skip base variant if
2748 (maybe_clone_body): We don't need an alias if we are only defining
2751 * class.c (resolves_to_fixed_type_p): Check CLASSTYPE_FINAL.
2753 2019-06-25 Jakub Jelinek <jakub@redhat.com>
2756 * constexpr.c (cxx_eval_array_reference): Don't look through VCE from
2757 vector type if lval.
2759 2019-06-25 Jozef Lawrynowicz <jozef.l@mittosystems.com>
2761 * lex.c (init_reswords): Create keyword for "__intN__" type.
2762 * cp-tree.h (cp_decl_specifier_seq): New bitfield "int_n_alt".
2763 * decl.c (grokdeclarator): Don't pedwarn about "__intN" ISO
2764 C incompatibility if alternate "__intN__" form is used.
2765 * parser.c (cp_parser_simple_type_specifier): Set
2766 decl_specs->int_n_alt if "__intN__" form is used.
2768 2019-06-24 Jan Hubicka <jh@suse.cz>
2770 * lex.c (cxx_make_type): Set TYPE_CXX_ODR_P.
2772 2019-06-24 Jason Merrill <jason@redhat.com>
2774 * class.c (layout_class_type): Don't use a separate
2775 CLASSTYPE_AS_BASE if it's the same size.
2777 2019-06-23 Marek Polacek <polacek@redhat.com>
2779 * call.c (convert_default_arg): Use DEFERRED_PARSE instead of
2781 * cp-objcp-common.c (cp_tree_size): Likewise. Use tree_deferred_parse
2782 instead of tree_default_arg.
2783 * cp-tree.def: Rename DEFAULT_ARG to DEFERRED_PARSE.
2784 * cp-tree.h: Rename DEFARG_TOKENS to DEFPARSE_TOKENS. Rename
2785 DEFARG_INSTANTIATIONS to DEFPARSE_INSTANTIATIONS. Rename
2786 tree_default_arg to tree_deferred_parse.
2787 (UNPARSED_NOEXCEPT_SPEC_P): Use DEFERRED_PARSE instead of DEFAULT_ARG.
2788 (cp_tree_node_structure_enum): Rename TS_CP_DEFAULT_ARG to
2789 TS_CP_DEFERRED_PARSE.
2790 (lang_tree_node): Rename tree_default_arg to tree_deferred_parse.
2791 Rename default_arg to deferred_parse. Use TS_CP_DEFERRED_PARSE instead
2792 of TS_CP_DEFAULT_ARG.
2793 (defarg_location): Remove declaration.
2794 (defparse_location): Add declaration.
2795 * decl.c (grokfndecl): Use DEFERRED_PARSE instead of DEFAULT_ARG.
2796 Call defparse_location instead of defarg_location.
2797 (check_default_argument): Use DEFERRED_PARSE instead of DEFAULT_ARG.
2798 (cp_tree_node_structure): Likewise. Use TS_CP_DEFERRED_PARSE instead
2799 of TS_CP_DEFAULT_ARG.
2800 * decl2.c (grokfield): Use DEFERRED_PARSE instead of DEFAULT_ARG.
2801 * error.c (dump_expr): Likewise.
2802 (location_of): Likewise.
2803 * init.c (get_nsdmi): Likewise.
2804 * parser.c (cp_parser_save_noexcept): Likewise. Use DEFPARSE_TOKENS
2805 instead of DEFARG_TOKENS.
2806 (cp_parser_late_noexcept_specifier): Likewise.
2807 (cp_parser_late_parse_one_default_arg): Use DEFPARSE_TOKENS instead
2809 (cp_parser_late_parsing_default_args): Use DEFERRED_PARSE instead of
2810 DEFAULT_ARG. Use DEFPARSE_INSTANTIATIONS instead of
2811 DEFARG_INSTANTIATIONS.
2812 (cp_parser_cache_defarg): Use DEFERRED_PARSE instead of DEFAULT_ARG.
2813 Use DEFPARSE_TOKENS instead of DEFARG_TOKENS. Use
2814 DEFPARSE_INSTANTIATIONS instead of DEFARG_INSTANTIATIONS.
2815 (defparse_location): Renamed from defarg_location.
2816 * pt.c (tsubst_default_argument): Use DEFERRED_PARSE instead of
2818 (tsubst_arg_types): Likewise.
2819 (dependent_type_p_r): Likewise.
2820 * tree.c (cp_tree_equal): Likewise.
2821 (cp_walk_subtrees): Likewise.
2822 * typeck.c (convert_arguments): Likewise.
2824 2019-06-22 Marek Polacek <polacek@redhat.com>
2826 PR c++/86476 - noexcept-specifier is a complete-class context.
2828 * cp-tree.def (DEFAULT_ARG): Update commentary.
2829 * cp-tree.h (UNPARSED_NOEXCEPT_SPEC_P): New macro.
2830 (tree_default_arg): Use tree_base instead of tree_common.
2831 (do_push_parm_decls, maybe_check_overriding_exception_spec): Declare.
2832 * decl.c (do_push_parm_decls): New function, broken out of...
2833 (store_parm_decls): ...here. Call it.
2834 * except.c (nothrow_spec_p): Accept DEFAULT_ARG in the assert.
2835 * parser.c (cp_parser_noexcept_specification_opt,
2836 cp_parser_late_noexcept_specifier, noexcept_override_late_checks):
2838 (unparsed_noexcepts): New macro.
2839 (push_unparsed_function_queues): Update initializer.
2840 (cp_parser_direct_declarator): Pass FRIEND_P to
2841 cp_parser_exception_specification_opt.
2842 (inject_parm_decls): New.
2843 (pop_injected_parms): New.
2844 (cp_parser_class_specifier_1): Implement delayed parsing of
2845 noexcept-specifiers.
2846 (cp_parser_save_noexcept): New.
2847 (cp_parser_late_noexcept_specifier): New.
2848 (noexcept_override_late_checks): New.
2849 (cp_parser_noexcept_specification_opt): Add FRIEND_P parameter. Call
2850 cp_parser_save_noexcept instead of the normal processing if needed.
2851 (cp_parser_exception_specification_opt): Add FRIEND_P parameter and
2852 pass it to cp_parser_noexcept_specification_opt.
2853 (cp_parser_save_member_function_body): Fix comment.
2854 (cp_parser_save_default_args): Maybe save the noexcept-specifier to
2856 (cp_parser_transaction): Update call to
2857 cp_parser_noexcept_specification_opt.
2858 (cp_parser_transaction_expression): Likewise.
2859 * parser.h (cp_unparsed_functions_entry): Add new field to carry
2860 a noexcept-specifier.
2861 * pt.c (dependent_type_p_r): Handle unparsed noexcept expression.
2862 * search.c (maybe_check_overriding_exception_spec): New function, broken
2864 (check_final_overrider): ...here. Call
2865 maybe_check_overriding_exception_spec.
2866 * tree.c (canonical_eh_spec): Handle UNPARSED_NOEXCEPT_SPEC_P.
2867 (cp_tree_equal): Handle DEFAULT_ARG.
2869 PR c++/90881 - bogus -Wunused-value in unevaluated context.
2870 * cvt.c (convert_to_void): Don't emit unused warnings in
2871 an unevaluated context.
2873 2019-06-22 Paolo Carlini <paolo.carlini@oracle.com>
2875 * decl.c (grokdeclarator): Use id_loc, typespec_loc, and
2876 locations[ds_storage_class] in a few additional places.
2878 2019-06-21 Paolo Carlini <paolo.carlini@oracle.com>
2882 2019-05-21 Paolo Carlini <paolo.carlini@oracle.com>
2886 * call.c (build_over_call): Devirtualize when the final overrider
2887 comes from the base.
2889 2019-06-21 Marek Polacek <polacek@redhat.com>
2891 PR c++/61490 - qualified-id in friend function definition.
2892 * decl.c (grokdeclarator): Diagnose qualified-id in friend function
2893 definition. Improve location for diagnostics of friend functions.
2895 PR c++/60223 - ICE with T{} in non-deduced context.
2896 * pt.c (unify): Allow COMPOUND_LITERAL_P in a non-deduced context.
2898 PR c++/64235 - missing syntax error with invalid alignas.
2899 * parser.c (cp_parser_std_attribute_spec): Commit to tentative parse
2900 if there's a missing close paren.
2902 PR c++/90490 - fix decltype issues in noexcept-specifier.
2903 * except.c (build_noexcept_spec): Call
2904 instantiate_non_dependent_expr_sfinae before
2905 build_converted_constant_expr instead of calling
2906 instantiate_non_dependent_expr after it. Add
2907 processing_template_decl_sentinel.
2909 2019-06-21 Jakub Jelinek <jakub@redhat.com>
2912 * semantics.c (finish_omp_clauses): Don't reject references to
2913 incomplete types if processing_template_decl.
2915 2019-06-19 Marek Polacek <polacek@redhat.com>
2917 PR c++/60364 - noreturn after first decl not diagnosed.
2918 * decl.c (duplicate_decls): Give an error when a function is
2919 declared [[noreturn]] after its first declaration.
2920 * parser.c (cp_parser_std_attribute): Don't treat C++11 noreturn
2921 attribute as equivalent to GNU's.
2922 * tree.c (std_attribute_table): Add noreturn.
2924 2019-06-19 Jakub Jelinek <jakub@redhat.com>
2926 * cp-gimplify.c (cp_genericize_r): Handle OMP_CLAUSE_{IN,EX}CLUSIVE
2927 like OMP_CLAUSE_SHARED.
2929 2019-06-18 Jason Merrill <jason@redhat.com>
2931 * constexpr.c (cxx_eval_store_expression): Delay target evaluation.
2933 2019-06-18 Jason Merrill <jason@redhat.com>
2935 * constexpr.c (eval_and_check_array_index): Split out from...
2936 (cxx_eval_array_reference): ...here.
2937 (cxx_eval_store_expression): Use it here, too.
2938 (diag_array_subscript): Take location. Strip location wrapper.
2940 2019-06-18 Jason Merrill <jason@redhat.com>
2942 * constexpr.c (cxx_eval_constant_expression): Handle conversion from
2943 and then to the same type.
2945 2019-06-18 Jason Merrill <jason@redhat.com>
2947 * constexpr.c (unshare_constructor): Add MEM_STAT_DECL.
2949 2019-06-17 Jakub Jelinek <jakub@redhat.com>
2951 * semantics.c (finish_omp_clauses): For OMP_CLAUSE_REDUCTION_INSCAN
2952 set need_copy_assignment.
2954 2019-06-17 Marek Polacek <polacek@redhat.com>
2956 PR c++/83820 - excessive attribute arguments not detected.
2957 * parser.c (cp_parser_std_attribute): Detect excessive arguments.
2959 2019-06-17 Nathan Sidwell <nathan@acm.org>
2962 * name-lookup.c (lookup_type_scope_1): Calll qualify_lookup before
2965 2019-06-14 Marek Polacek <polacek@redhat.com>
2967 PR c++/90884 - stray note with -Wctor-dtor-privacy.
2968 * class.c (maybe_warn_about_overly_private_class): Guard the call to
2971 2019-06-12 Jason Merrill <jason@redhat.com>
2973 PR c++/85552 - wrong instantiation of dtor for DMI.
2974 * typeck2.c (digest_nsdmi_init): Set tf_no_cleanup for direct-init.
2976 2019-06-13 Paolo Carlini <paolo.carlini@oracle.com>
2978 * decl.c (grokdeclarator): Use id_loc in five additional places
2979 in the last part of the function.
2981 2019-06-13 Paolo Carlini <paolo.carlini@oracle.com>
2983 * decl.c (grokdeclarator): Move further up the declaration of
2984 id_loc, use it immediately, update its value after the loop
2985 over declarator, use it again in the final part of function;
2986 improve locations of error messages about multiple data types
2987 and conflicting specifiers.
2989 2019-06-13 Richard Biener <rguenther@suse.de>
2992 * typeck2.c (split_nonconstant_init_1): Properly count
2993 num_split_elts, optimize single constructor elt removal.
2995 2019-06-12 Marek Polacek <polacek@redhat.com>
2997 PR c++/66999 - 'this' captured by reference.
2998 * parser.c (cp_parser_lambda_introducer): Reject `&this'. Use
2999 cp_lexer_nth_token_is instead of cp_lexer_peek_nth_token.
3001 PR c++/90825 - endless recursion when evaluating sizeof.
3002 PR c++/90832 - endless recursion when evaluating sizeof.
3003 * constexpr.c (cxx_eval_constant_expression): Don't recurse on the
3004 result of fold_sizeof_expr if is returns a SIZEOF_EXPR.
3005 * typeck.c (cxx_sizeof_expr): Only return a SIZEOF_EXPR if the operand
3006 is instantiation-dependent.
3008 PR c++/90736 - bogus error with alignof.
3009 * constexpr.c (adjust_temp_type): Use cv_unqualified type.
3011 2019-06-11 Matthew Beliveau <mbelivea@redhat.com>
3013 PR c++/90449 - add -Winaccessible-base option.
3014 * class.c (warn_about_ambiguous_bases): Changed name to:
3015 maybe_warn_about_inaccessible_bases.
3016 (maybe_warn_about_inaccessible_bases): Implemented new
3017 Winaccessible-base warning option for both direct and virtual
3019 (layout_class_type): Call to warn_about_ambiguous_bases changed to fit
3022 2019-06-11 Richard Biener <rguenther@suse.de>
3025 * typeck2.c (split_nonconstant_init_1): Avoid ordered remove
3026 from CONSTRUCTOR by marking to remove elements and doing all
3027 of them in a O(n) scan.
3029 2019-06-11 Jakub Jelinek <jakub@redhat.com>
3032 * init.c (constant_value_1): Handle VECTOR_CST DECL_INITIAL for
3033 !DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P decls like CONSTRUCTOR.
3035 2019-06-11 Martin Liska <mliska@suse.cz>
3038 * pt.c (init_template_processing): Disable hash table
3039 sanitization for decl_specializations and type_specializations.
3041 2019-06-10 Jason Merrill <jason@redhat.com>
3043 * constexpr.c (free_constructor): New.
3044 (cxx_eval_call_expression): Free parameter value CONSTRUCTORs.
3046 * constexpr.c (unshare_constructor): Only unshare if T is itself a
3048 (cxx_eval_call_expression): Don't call it on the result here.
3050 Reduce constexpr_call memory consumption.
3051 * constexpr.c (cxx_bind_parameters_in_call): Use TREE_VEC rather
3053 (constexpr_call_hasher::equal, cxx_bind_parameters_in_call)
3054 (cxx_eval_call_expression): Adjust.
3056 2019-06-10 Jakub Jelinek <jakub@redhat.com>
3058 * parser.c (cp_parser_omp_clause_reduction): Don't sorry_at on inscan
3060 (cp_parser_omp_scan_loop_body): New function.
3061 (cp_parser_omp_for_loop): Call cp_parser_omp_scan_loop_body if there
3062 are inscan reduction clauses.
3063 (cp_parser_pragma): Reject PRAGMA_OMP_SCAN.
3064 * semantics.c (finish_omp_clauses): Reject mixing inscan with
3065 non-inscan reductions on the same construct, or inscan reductions with
3066 ordered or schedule clauses, or inscan array reductions.
3067 * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
3068 (tsubst_expr): Handle OMP_SCAN.
3070 2019-06-07 Jason Merrill <jason@redhat.com>
3072 * constexpr.c (cxx_eval_constant_expression): Call
3073 STRIP_ANY_LOCATION_WRAPPER early.
3074 [CONVERT_EXPR]: Don't build anything for conversion to void.
3075 [ADDR_EXPR]: ggc_free unused ADDR_EXPR.
3077 2019-06-05 Martin Sebor <msebor@redhat.com>
3080 * typeck.c (maybe_warn_about_returning_address_of_local): Only
3081 consider functions returning pointers as candidates for
3082 -Wreturn-local-addr.
3084 2019-06-05 Paolo Carlini <paolo.carlini@oracle.com>
3086 * decl.c (smallest_type_location): New.
3087 (check_special_function_return_type): Use it.
3088 (grokdeclarator): Lkewise.
3090 2019-06-05 Paolo Carlini <paolo.carlini@oracle.com>
3092 * decl.c (grokdeclarator): Use locations[ds_friend]
3095 2019-06-05 Martin Sebor <msebor@redhat.com>
3097 * call.c (build_conditional_expr_1): Adjust quoting and hyphenation.
3098 (convert_like_real): Same.
3099 (convert_arg_to_ellipsis): Same.
3100 * constexpr.c (diag_array_subscript): Same.
3101 * constraint.cc (diagnose_trait_expression): Same.
3102 * cvt.c (ocp_convert): Same.
3103 * decl.c (start_decl): Same.
3104 (check_for_uninitialized_const_var): Same.
3106 (check_special_function_return_type): Same.
3107 (finish_enum_value_list): Same.
3108 (start_preparsed_function): Same.
3109 * parser.c (cp_parser_decl_specifier_seq): Same.
3110 * typeck.c (cp_build_binary_op): Same.
3111 (build_static_cast_1): Same.
3113 2019-06-04 Nina Dinka Ranns <dinka.ranns@gmail.com>
3115 PR c++/63149 - Wrong auto deduction from braced-init-list.
3116 * pt.c (listify_autos): use non cv qualified auto_node in
3117 std::initializer_list<auto>.
3119 2019-06-04 Paolo Carlini <paolo.carlini@oracle.com>
3121 * decl.c (grokdeclarator): Use declarator->id_loc in two
3124 2019-06-04 Nathan Sidwell <nathan@acm.org>
3126 * name-lookup.c (lookup_type_scope_1): Reimplement, handle local
3127 and namespace scopes separately.
3129 2019-06-04 Harald van Dijk <harald@gigawatt.nl>
3131 PR c++/60531 - Wrong error about unresolved overloaded function
3132 * typeck.c (cp_build_binary_op): See if overload can be resolved.
3133 (cp_build_unary_op): Ditto.
3135 2019-06-04 Jason Merrill <jason@redhat.com>
3137 Reduce accumulated garbage in constexpr evaluation.
3138 * constexpr.c (cxx_eval_call_expression): ggc_free any bindings we
3140 (cxx_eval_increment_expression): ggc_free the MODIFY_EXPR after
3143 2019-06-04 Jakub Jelinek <jakub@redhat.com>
3145 * cp-tree.h (CP_OMP_CLAUSE_INFO): Allow for any clauses up to _condvar_
3146 instead of only up to linear.
3148 2019-06-03 Paolo Carlini <paolo.carlini@oracle.com>
3150 * parser.c (cp_parser_unqualified_id): Use build_min_nt_loc in
3153 2019-06-01 Ville Voutilainen <ville.voutilainen@gmail.com>
3156 * class.c (fixup_type_variants): Handle CLASSTYPE_FINAL.
3158 2019-05-31 Nathan Sidwell <nathan@acm.org>
3160 * cp-tree.h (IDENTIFIER_LAMBDA_P): New.
3162 (LAMBDA_TYPE_P, TYPE_UNNAMED_P): Likewise.
3163 (LAMBDANAME_PREFIX, LAMBDANAME_FORMAT): Delete.
3164 (make_lambda_name): Don't declare.
3165 * error.c (dump_aggr_type): Check for lambdas before other
3167 * lambda.c (begin_lambda_type): Use make_anon_name.
3168 * cp-lang.c (cxx_dwarf_name): Lambda names smell anonymous.
3169 * mangle.c (write_local_name): Likewise.
3170 * name-lookup.c (lambda_cnt, make_lambda_name): Delete.
3172 2019-05-30 Marek Polacek <polacek@redhat.com>
3174 * cp-tree.h (TYPE_HAS_NONTRIVIAL_DESTRUCTOR): Fix a typo.
3176 2019-05-31 Paolo Carlini <paolo.carlini@oracle.com>
3178 * decl.c (grokdeclarator): Use declarator->id_loc in five
3181 2019-05-29 Jakub Jelinek <jakub@redhat.com>
3184 * tree.c (lvalue_kind): Return clk_none for expressions with
3187 2019-05-29 Paolo Carlini <paolo.carlini@oracle.com>
3190 * parser.c (cp_parser_sizeof_operand): When the type-id production
3191 did not work out commit to the tentative parse.
3193 2019-05-29 Jakub Jelinek <jakub@redhat.com>
3195 P1091R3 - Extending structured bindings to be more like var decls
3196 P1381R1 - Reference capture of structured bindings
3197 * decl.c (cp_maybe_mangle_decomp): Handle TREE_STATIC decls even at
3199 (cp_finish_decomp): Copy over various decl properties from decl to
3200 v[i] in the tuple case.
3201 (grokdeclarator): Allow static, thread_local and __thread for C++2a
3202 and use pedwarn instead of error for older standard revisions.
3203 Make other structured binding diagnostic messages more i18n friendly.
3205 2019-05-28 Nathan Sidwell <nathan@acm.org>
3207 * decl.c (duplicate_decls): Assert a template newdecl has no
3210 2019-05-28 Marek Polacek <polacek@redhat.com>
3212 PR c++/90548 - ICE with generic lambda and empty pack.
3213 * pt.c (tsubst_copy_and_build): Handle pack expansion properly.
3215 2019-05-28 Nathan Sidwell <nathan@acm.org>
3217 * cp-tree.h (make_anon_name): Drop declaration.
3218 (TYPE_UNNAMED_P): Use IDENTIFIER_ANON_P.
3219 * cp-lang.c (cxx_dwarf_name): Likewise.
3220 * class.c (find_flexarrays): Likewise.
3221 * decl.c (name_unnamed_type, xref_tag_1): Likewise.
3222 * error.c (dump_aggr_type): Likewise.
3223 * pt.c (push_template_decl_real): Likewise.
3224 * name-lookup.c (consider_binding_level): Likewise.
3225 (anon_cnt, make_anon_name): Delete.
3227 2019-05-25 Marek Polacek <polacek@redhat.com>
3229 PR c++/90572 - wrong disambiguation in friend declaration.
3230 * parser.c (cp_parser_constructor_declarator_p): Don't allow missing
3231 typename for friend declarations.
3233 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
3235 * cp-tree.h (CP_AGGREGATE_TYPE_P): Fix whitespace.
3237 * init.c (std_placement_new_fn_p): Remove outdated TODO comment that
3238 was resolved by r254694.
3240 2019-05-22 Jason Merrill <jason@redhat.com>
3242 PR c++/20408 - unnecessary code for empty struct.
3243 * call.c (build_call_a): Use simple_empty_class_p.
3245 PR c++/86485 - -Wmaybe-unused with empty class ?:
3246 * cp-gimplify.c (simple_empty_class_p): Also true for MODIFY_EXPR.
3248 2019-05-21 Paolo Carlini <paolo.carlini@oracle.com>
3250 * parser.c (cp_parser_template_declaration_after_parameters): Use
3251 DECL_SOURCE_LOCATION in literal operator template errors.
3253 2019-05-21 Paolo Carlini <paolo.carlini@oracle.com>
3257 * call.c (build_over_call): Devirtualize when the final overrider
3258 comes from the base.
3260 2019-05-21 Nathan Sidwell <nathan@acm.org>
3262 * name-lookup.c (do_nonmember_using_decl): Drop INSERT_P
3263 parameter. Document.
3264 (finish_nonmember_using_decl): Adjust do_nonmember_using_decl
3265 calls. Remove stray FIXME comment.
3267 * name-lookup.h (struct cp_binding_level): Drop usings field.
3268 (finish_namespace_using_decl, finish_local_using_decl): Replace with ...
3269 (finish_nonmember_using_decl): ... this.
3270 * name-lookup.c (push_using_decl_1, push_using_decl):
3271 (do_nonmember_using_decl): ... here. Add INSERT_P arg. Reimplement.
3272 (validate_nonmember_using_decl, finish_namespace_using_decl)
3273 (finish_local_using_decl): Replace with ...
3274 (finish_nonmember_using_decl): ... this. Drop DECL parm.
3275 * parser.c (cp_parser_using_declaration): Don't do lookup here.
3276 * pt.c (tsubst_expr): Do not do using decl lookup here.
3278 2019-05-21 Eric Botcazou <ebotcazou@adacore.com>
3280 * decl2.c (cpp_check) <IS_ASSIGNMENT_OPERATOR>: New case.
3282 2019-05-20 Marek Polacek <polacek@redhat.com>
3284 CWG 2094 - volatile scalars are trivially copyable.
3286 * tree.c (trivially_copyable_p): Don't check CP_TYPE_VOLATILE_P for
3289 2019-05-20 Marek Polacek <polacek@redhat.com>
3291 * pt.c (convert_template_argument): Add a diagnostic for the
3292 [temp.arg]/2 ambiguity case.
3294 * name-lookup.c (finish_using_directive): Don't issue inform() if the
3295 warning didn't trigger. Add quoting. Tweak the inform message.
3297 2019-05-20 Paolo Carlini <paolo.carlini@oracle.com>
3299 * cp-tree.h: Remove remnants of CONV_NONCONVERTING.
3301 2019-05-20 Nathan Sidwell <nathan@acm.org>
3303 * name-lookup.c (finish_namespace_using_directive)
3304 (finish_local_using_directive): Merge to ...
3305 (finish_using_directive): ... here. Handle both contexts.
3306 * name-lookup.h (finish_namespace_using_directive)
3307 (finish_local_using_directive): Replace with ...
3308 (finish_using_directive): ... this.
3309 * parser.c (cp_parser_using_directive): Adjust.
3310 * pt.c (tsubst_expr): Likewise.
3312 * cp-tree.h (struct lang_decl_ns): Remove usings field.
3313 (DECL_NAMESPACE_USING): Delete.
3314 * name-lookup.c (name_lookup::search_usings): Use namespace's
3316 (name_lookup::queue_namespae): Likewise.
3317 (finish_namespace_using_directive, push_namespace): Likewise.
3318 (has_using_namespace_std_directive): Just search the entire
3321 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
3323 PR c++/90532 Ensure __is_constructible(T[]) is false
3324 * method.c (is_xible_helper): Return error_mark_node for construction
3325 of an array of unknown bound.
3327 2019-05-17 Thomas Schwinge <thomas@codesourcery.com>
3330 * parser.c (cp_finalize_oacc_routine): Rework checking if already
3331 marked with an OpenACC 'routine' directive.
3334 * parser.c (cp_parser_oacc_routine)
3335 (cp_parser_late_parsing_oacc_routine): Normalize order of clauses.
3336 (cp_finalize_oacc_routine): Call oacc_verify_routine_clauses.
3339 * parser.c (cp_finalize_oacc_routine): Refer to OpenACC 'routine'
3340 clauses from "omp declare target" attribute.
3342 2019-05-16 Martin Sebor <msebor@redhat.com>
3344 * call.c (print_z_candidate): Wrap diagnostic text in a gettext
3346 (print_z_candidates): Same.
3347 (build_conditional_expr_1): Quote keywords, operators, and types
3349 (build_op_delete_call): Same.
3350 (maybe_print_user_conv_context): Wrap diagnostic text in a gettext
3352 (convert_like_real): Same.
3353 (convert_arg_to_ellipsis): Quote keywords, operators, and types
3355 (build_over_call): Same.
3356 (joust): Break up an overlong line. Wrap diagnostic text in a gettext
3358 * constexpr.c (cxx_eval_check_shift_p): Spell out >= in English.
3359 (cxx_eval_constant_expression): Quote keywords, operators, and types
3361 (potential_constant_expression_1): Same.
3362 * cp-gimplify.c (cp_genericize_r): Same.
3363 * cvt.c (maybe_warn_nodiscard): Quote keywords, operators, and types
3365 (type_promotes_to): Same.
3366 * decl.c (check_previous_goto_1): Same.
3369 (cp_finish_decl): Avoid parenthesizing a sentence for consistency.
3370 (grok_op_properties): Quote keywords, operators, and types
3372 * decl2.c (grokfield): Same.
3373 (coerce_delete_type): Same.
3374 * except.c (is_admissible_throw_operand_or_catch_parameter): Same.
3375 * friend.c (do_friend): Quote C++ tokens.
3376 * init.c (build_new_1): Quote keywords, operators, and types
3378 (build_vec_delete_1): Same.
3379 (build_delete): Same.
3380 * lex.c (parse_strconst_pragma): Same.
3381 (handle_pragma_implementation): Same.
3382 (unqualified_fn_lookup_error): Same.
3383 * mangle.c (write_type): Same.
3384 * method.c (defaulted_late_check): Avoid two consecutive punctuators.
3385 * name-lookup.c (cp_binding_level_debug): Remove a trailing newline.
3386 (pop_everything): Same.
3387 * parser.c (cp_lexer_start_debugging): Quote a macro name.
3389 (cp_lexer_stop_debugging): Same.
3390 (cp_parser_userdef_numeric_literal): Quote a C++ header name
3392 (cp_parser_nested_name_specifier_opt): Quote keywords, operators,
3393 and types in diagnostics.
3394 (cp_parser_question_colon_clause): Same.
3395 (cp_parser_asm_definition): Same.
3396 (cp_parser_init_declarator): Same.
3397 (cp_parser_template_declaration_after_parameters): Avoid capitalizing
3398 a sentence in a diagnostic.
3399 (cp_parser_omp_declare_reduction): Quote keywords, operators, and types
3401 (cp_parser_transaction): Same.
3402 * pt.c (maybe_process_partial_specialization): Replace second call
3403 to permerror with inform for consistency with other uses.
3404 (expand_integer_pack): Quote keywords, operators, and types
3406 * rtti.c (get_typeid): Quote keywords, operators, and types
3408 (build_dynamic_cast_1): Same.
3409 * semantics.c (finish_asm_stmt): Same.
3410 (finish_label_decl): Same.
3411 (finish_bases): Same.
3412 (finish_offsetof): Same.
3413 (cp_check_omp_declare_reduction): Same.
3414 (finish_decltype_type): Same.
3415 * tree.c (handle_init_priority_attribute): Same. Add detail
3417 (maybe_warn_zero_as_null_pointer_constant): Same.
3418 * typeck.c (cp_build_binary_op): Quote keywords, operators, and types
3420 (cp_build_unary_op): Same.
3421 (check_for_casting_away_constness): Same.
3422 (build_static_cast): Same.
3423 (build_const_cast_1): Same.
3424 (maybe_warn_about_returning_address_of_local): Same.
3425 (check_return_expr): Same.
3426 * typeck2.c (abstract_virtuals_error_sfinae): Same.
3427 (digest_init_r): Replace a tab with spaces in a diagnostic.
3428 (build_functional_cast): Quote keywords, operators, and types
3431 2019-05-15 Jakub Jelinek <jakub@redhat.com>
3434 * cp-gimplify.c (genericize_cp_loop): Emit a DEBUG_BEGIN_STMT
3435 before the condition (or if missing or constant non-zero at the end
3436 of the loop. Emit a DEBUG_BEGIN_STMT before the increment expression
3437 if any. Don't call protected_set_expr_location on incr if it already
3440 2019-05-15 Marek Polacek <polacek@redhat.com>
3442 CWG 2096 - constraints on literal unions.
3443 * class.c (check_field_decls): Initialize booleans directly. A union
3444 is literal if at least one of its non-static data members is of
3445 non-volatile literal type.
3447 2019-05-15 Paolo Carlini <paolo.carlini@oracle.com>
3449 * cp-tree.h (REFERENCE_VLA_OK): Remove.
3450 * lambda.c (build_capture_proxy): Remove use of the above.
3452 2019-05-15 Paolo Carlini <paolo.carlini@oracle.com>
3454 * call.c (perform_overload_resolution, build_new_method_call_1):
3455 Use OVL_P; remove redundant TEMPLATE_DECL checks.
3456 * decl.c (grokfndecl): Likewise.
3457 * mangle.c (write_expression): Likewise.
3458 * parser.c (cp_parser_template_id): Likewise.
3459 * pt.c (resolve_overloaded_unification, type_dependent_expression_p):
3461 * search.c (build_baselink): Likewise.
3462 * tree.c (is_overloaded_fn, dependent_name, maybe_get_fns): Likewise.
3464 2019-05-14 Paolo Carlini <paolo.carlini@oracle.com>
3466 PR preprocessor/90382
3467 * decl.c (grokdeclarator): Fix value assigned to typespec_loc, use
3470 2019-05-13 Jason Merrill <jason@redhat.com>
3472 Use releasing_vec more broadly.
3473 * cp-tree.h (struct releasing_vec): Replace get_ref method with
3475 (vec_safe_push, vec_safe_reserve, vec_safe_length, vec_safe_splice):
3476 Forwarding functions for releasing_vec.
3477 (release_tree_vector): Declare but don't define.
3478 * call.c (build_op_delete_call, build_temp, call_copy_ctor)
3479 (perform_direct_initialization_if_possible): Use releasing_vec.
3480 * constexpr.c (cxx_eval_vec_init_1, cxx_eval_store_expression):
3482 * cp-gimplify.c (cp_fold): Likewise.
3483 * cvt.c (force_rvalue, ocp_convert): Likewise.
3484 * decl.c (get_tuple_decomp_init): Likewise.
3485 * except.c (build_throw): Likewise.
3486 * init.c (perform_member_init, expand_default_init): Likewise.
3487 * method.c (do_build_copy_assign, locate_fn_flags): Likewise.
3488 * parser.c (cp_parser_userdef_char_literal)
3489 (cp_parser_userdef_numeric_literal)
3490 (cp_parser_userdef_string_literal)
3491 (cp_parser_perform_range_for_lookup)
3492 (cp_parser_range_for_member_function, cp_parser_omp_for_loop)
3493 (cp_parser_omp_for_loop_init): Likewise.
3494 * pt.c (tsubst_copy_and_build, do_class_deduction): Likewise.
3495 * semantics.c (calculate_direct_bases, calculate_bases)
3496 (finish_omp_barrier, finish_omp_flush, finish_omp_taskwait)
3497 (finish_omp_taskyield, finish_omp_cancel)
3498 (finish_omp_cancellation_point): Likewise.
3499 * tree.c (build_vec_init_elt, strip_typedefs, strip_typedefs_expr)
3500 (build_min_non_dep_op_overload): Likewise.
3501 * typeck.c (build_function_call_vec, cp_build_function_call_nary)
3502 (cp_build_modify_expr): Likewise.
3503 * typeck2.c (build_functional_cast): Likewise.
3505 2019-05-11 Paolo Carlini <paolo.carlini@oracle.com>
3507 * typeck.c (cp_build_function_call_vec): When mark_used fails
3508 unconditionally return error_mark_node.
3510 2019-05-10 Paolo Carlini <paolo.carlini@oracle.com>
3512 * decl.c (grokvardecl): Use an accurate location in error message
3513 about main as a global variable.
3515 2019-05-10 Paolo Carlini <paolo.carlini@oracle.com>
3517 * call.c (build_call_a): Use FUNC_OR_METHOD_TYPE_P.
3518 * cp-gimplify.c (cp_fold): Likewise.
3519 * cp-objcp-common.c (cp_type_dwarf_attribute): Likewise.
3520 * cp-tree.h (TYPE_OBJ_P, TYPE_PTROBV_P): Likewise.
3521 * cvt.c (perform_qualification_conversions): Likewise.
3522 * decl.c (grokdeclarator): Likewise.
3523 * decl2.c (build_memfn_type): Likewise.
3524 * mangle.c (canonicalize_for_substitution, write_type): Likewise.
3525 * parser.c (cp_parser_omp_declare_reduction): Likewise.
3526 * pt.c (check_explicit_specialization, uses_deducible_template_parms,
3527 check_cv_quals_for_unify, dependent_type_p_r): Likewise.
3528 * rtti.c (ptr_initializer): Likewise.
3529 * semantics.c (finish_asm_stmt, finish_offsetof,
3530 cp_check_omp_declare_reduction): Likewise.
3531 * tree.c (cp_build_qualified_type_real,
3532 cp_build_type_attribute_variant, cxx_type_hash_eq,
3533 cxx_copy_lang_qualifiers, cp_free_lang_data): Likewise.
3534 * typeck.c (structural_comptypes, convert_arguments,
3535 cp_build_addr_expr_1, unary_complex_lvalue, cp_build_c_cast,
3536 cp_build_modify_expr, comp_ptr_ttypes_real, type_memfn_rqual):
3539 2019-05-10 Marek Polacek <polacek@redhat.com>
3541 PR c++/78010 - bogus -Wsuggest-override warning on final function.
3542 * class.c (check_for_override): Don't warn for final functions.
3544 2019-05-10 Jakub Jelinek <jakub@redhat.com>
3547 * config-lang.in (gtfiles): Remove c-family/c-lex.c, add
3548 c-family/c-cppbuiltin.c.
3550 2019-05-09 Paolo Carlini <paolo.carlini@oracle.com>
3554 2018-04-26 Paolo Carlini <paolo.carlini@oracle.com>
3556 * decl.c (grokdeclarator): Fix value assigned to typespec_loc, use
3559 2019-05-08 Nathan Sidwell <nathan@acm.org>
3561 Kill DECL_SAVED_FUNCTION_DATA .
3562 * cp-tree.h (language_function): Remove x_auto_return_pattern.
3563 (current_function_auto_return_pattern): Delete.
3564 (lang_decl_fn): Replace saved_language_function with
3565 saved_auto_return type.
3566 (DECL_SAVED_FUNCTION_DATA): Delete.
3567 (DECL_SAVED_AUTO_RETURN_TYPE): New.
3568 (FNDECL_USED_AUTO): Correct documentation.
3569 * decl.c (duplicate_decls): Adjust AUTO return handling.
3570 (start_preparsed_function): Replace
3571 current_function_auto_return_pattern with
3572 DECL_SAVED_AUTO_RETURN_TYPE. Remove DECL_SAVED_FUNCTION_DATA
3574 (finish_function): Likewise.
3575 (save_function_data): Delete.
3576 (fndecl_declared_return_type): Reimplement.
3577 * mangle.c (write_unqualified_name): Use DECL_SAVED_AUTO_RETURN_TYPE.
3578 * method.c (make_thunk, make_alias_for): Likewise.
3579 * parser.c (cp_parser_jump_statement): Likewise.
3580 * pt.c (do_auto_deduction): Likewise.
3581 * typeck.c (check_return_expr): Likewise.
3583 2019-05-06 Jason Merrill <jason@redhat.com>
3585 PR c++/90171 - reorganize usual_deallocation_fn_p
3586 * call.c (struct dealloc_info): New.
3587 (usual_deallocation_fn_p): Take a dealloc_info*.
3588 (aligned_deallocation_fn_p, sized_deallocation_fn_p): Remove.
3589 (build_op_delete_call): Adjust.
3591 2019-05-07 Jason Merrill <jason@redhat.com>
3593 PR c++/86485 - -Wmaybe-unused with empty class ?:
3594 * typeck.c (build_static_cast_1): Use cp_build_addr_expr.
3596 * pt.c (type_dependent_expression_p): A non-type template parm with
3597 a placeholder type is type-dependent.
3599 2019-05-06 Marek Polacek <polacek@redhat.com>
3601 PR c++/90265 - ICE with generic lambda.
3602 * pt.c (tsubst_copy_and_build): Use a dedicated variable for the last
3603 element in the vector.
3605 2019-05-03 Martin Liska <mliska@suse.cz>
3607 * call.c (build_aggr_conv): Use is_empty instead of
3608 elements () == 0 (and similar usages).
3609 * parser.c (cp_parser_lambda_introducer): Likewise.
3611 2019-05-02 Nathan Sidwell <nathan@acm.org>
3613 * semantics.c (finish_id_expression_1): Remove unreachable code.
3615 2019-05-01 Nathan Sidwell <nathan@acm.org>
3617 * name-lookup.h (get_class_binding_direct): Change final arg to
3619 (get_class_binding): Likewise.
3620 * name-lookup.c (get_class_binding_direct): Replace TYPE_OR_FNS
3621 arg with WANT_TYPE bool. Simplify.
3622 (get_class_binding): Adjust final arg.
3623 * decl.c (reshape_init_class): Adjust get_class_binding calls.
3625 2019-04-30 Nathan Sidwell <nathan@acm.org>
3627 * cp-objcp-common.c (cp_common_init_ts): Use MARK_TS_EXP for _EXPR
3628 nodes. Call c_common_init_ts.
3630 2019-04-29 Nathan Sidwell <nathan@acm.org>
3632 * decl.c (duplicate_decls): Add whitespace, move comments into
3634 * method.c (explain_implicit_non_constexpr): Refactor.
3635 * pt.c (check_explicit_specialization): Fix indentation.
3636 * semantics.c (process_outer_var_ref): Reformat.
3637 (finish_id_expression_1): Use STRIP_TEMPLATE.
3639 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
3641 PR c++/90243 - orphaned note in uninstantiated constexpr function
3642 * decl.c (check_for_uninitialized_const_var): Suppress notes if no
3645 2019-04-26 Paolo Carlini <paolo.carlini@oracle.com>
3648 * decl.c (grokdeclarator): Set type to error_mark_node
3649 upon error about template placeholder type non followed
3650 by a simple declarator-id.
3652 2019-04-26 Paolo Carlini <paolo.carlini@oracle.com>
3654 * decl.c (grokdeclarator): Fix value assigned to typespec_loc, use
3657 2019-04-24 Jason Merrill <jason@redhat.com>
3659 PR c++/90227 - error with template parameter packs.
3660 * pt.c (coerce_template_parms): Do add empty pack when
3663 2019-04-24 Richard Biener <rguenther@suse.de>
3665 * call.c (null_ptr_cst_p): Order checks according to expensiveness.
3666 (conversion_null_warnings): Likewise.
3667 * typeck.c (same_type_ignoring_top_level_qualifiers_p): Return
3668 early if type1 == type2.
3670 2019-04-22 Jason Merrill <jason@redhat.com>
3672 PR c++/87366 - wrong error with alias template.
3673 * typeck.c (structural_comptypes): When comparing_specializations,
3674 aliases are unequal.
3675 (comptypes): When comparing_specializations, do structural
3678 2019-04-19 Jason Merrill <jason@redhat.com>
3680 PR c++/90190 - CTAD with list-constructor.
3681 * pt.c (do_class_deduction): Don't try the single element deduction
3682 if the single element is also a braced list.
3684 PR c++/90171 - ICE with destroying delete with size_t parm.
3685 * call.c (sized_deallocation_fn_p): New. Use it instead of
3686 second_parm_is_size_t in most cases.
3687 (second_parm_is_size_t): Don't check for aligned.
3689 2019-04-19 Paolo Carlini <paolo.carlini@oracle.com>
3692 * pt.c (fn_type_unification): When handling null explicit
3693 arguments do not special case non-parameter packs.
3695 2019-04-19 Jakub Jelinek <jakub@redhat.com>
3698 * pt.c (process_template_parm): Set decl to pushdecl result. If
3699 !is_non_type, also set parm to that.
3702 * decl.c (struct cp_switch): Remove outside_range_p member.
3703 (push_switch): Don't clear it.
3704 (pop_switch): Adjust c_do_switch_warnings caller.
3705 (finish_case_label): Adjust c_add_case_label caller.
3708 * decl.c (duplicate_decls): If remove is main variant and
3709 DECL_ORIGINAL_TYPE is some other type, remove a DECL_ORIGINAL_TYPE
3710 variant that has newdecl as TYPE_NAME if any.
3712 2019-04-18 Jason Merrill <jason@redhat.com>
3714 PR c++/87554 - ICE with extern template and reference member.
3715 * decl.c (cp_finish_decl): Don't set DECL_INITIAL of external vars.
3717 2019-04-17 Jason Merrill <jason@redhat.com>
3719 PR c++/90047 - ICE with enable_if alias template.
3720 * pt.c (tsubst_decl) [TYPE_DECL]: Don't put an erroneous decl in the
3721 hash table when we're in SFINAE context.
3723 2019-04-17 Marek Polacek <polacek@redhat.com>
3725 PR c++/90124 - bogus error with incomplete type in decltype.
3726 * typeck.c (build_class_member_access_expr): Check
3727 cp_unevaluated_operand.
3729 2019-04-12 Jakub Jelinek <jakub@redhat.com>
3732 * decl.c (duplicate_decls): When newdecl's type is its main variant,
3733 don't try to remove it from the variant list, but instead assert
3736 2019-04-12 Martin Sebor <msebor@redhat.com>
3740 * parser.c (cp_parser_has_attribute_expression): Handle assignment
3743 2019-04-12 Jason Merrill <jason@redhat.com>
3745 * call.c (null_member_pointer_value_p): Handle an empty CONSTRUCTOR
3748 2019-04-12 Marek Polacek <polacek@redhat.com>
3750 * except.c (build_noexcept_spec): Use build_converted_constant_bool_expr
3751 instead of perform_implicit_conversion_flags.
3753 PR c++/87603 - constexpr functions are no longer noexcept.
3754 * constexpr.c (is_sub_constant_expr): Remove unused function.
3755 * cp-tree.h (is_sub_constant_expr): Remove declaration.
3756 * except.c (check_noexcept_r): Don't consider a call to a constexpr
3759 2019-04-11 Jakub Jelinek <jakub@redhat.com>
3761 PR translation/90035
3762 * parser.h (struct cp_parser): Add
3763 type_definition_forbidden_message_arg member.
3764 * parser.c (cp_debug_parser): Print it.
3765 (cp_parser_check_type_definition): Pass
3766 parser->type_definition_forbidden_message_arg as second argument to
3768 (cp_parser_has_attribute_expression, cp_parser_sizeof_operand): Set
3769 parser->type_definition_forbidden_message_arg and use G_() with
3770 %qs for parser->type_definition_forbidden_message instead of
3771 building untranslatable message using concat.
3773 2019-04-09 Jakub Jelinek <jakub@redhat.com>
3775 PR translation/90011
3776 * typeck2.c (check_narrowing): Remove trailing space from diagnostics.
3778 2019-04-08 Marek Polacek <polacek@redhat.com>
3780 * typeck2.c (digest_init_r): Don't condition the object slicing warning
3783 2019-04-08 Paolo Carlini <paolo.carlini@oracle.com>
3786 * semantics.c (trait_expr_value): Don't use TYPE_NOTHROW_P
3787 when maybe_instantiate_noexcept fails.
3788 (classtype_has_nothrow_assign_or_copy_p): Likewise.
3789 * method.c (implicitly_declare_fn): Avoid passing error_mark_node
3790 to build_exception_variant.
3792 2019-04-05 Marek Polacek <polacek@redhat.com>
3794 PR c++/87145 - bogus error converting class type in template arg list.
3795 * pt.c (convert_nontype_argument): Don't call
3796 build_converted_constant_expr if it could involve calling a conversion
3797 function with a instantiation-dependent constructor as its argument.
3799 2019-04-05 Martin Sebor <msebor@redhat.com>
3802 * decl.c (reshape_init_array_1): Avoid treating empty strings
3803 as zeros in array initializers.
3804 Use trivial_type_p () instead of TYPE_HAS_TRIVIAL_DFLT().
3806 2019-04-04 Jason Merrill <jason@redhat.com>
3808 PR c++/89948 - ICE with break in statement-expr.
3809 * constexpr.c (cxx_eval_statement_list): Jumping out of a
3810 statement-expr is non-constant.
3812 2019-04-04 Jason Merrill <jason@redhat.com>
3814 PR c++/89966 - error with non-type auto tparm.
3815 * pt.c (do_auto_deduction): Clear tf_partial.
3817 2019-04-04 Jason Merrill <jason@redhat.com>
3819 PR c++/86986 - ICE with TTP with parameter pack.
3820 * pt.c (coerce_template_parameter_pack): Only look at the type of a
3821 non-type parameter pack.
3822 (fixed_parameter_pack_p_1): Don't recurse into the type of a
3823 non-type parameter pack.
3824 (coerce_template_template_parms): Call add_outermost_template_args.
3826 2019-04-04 Martin Sebor <msebor@redhat.com>
3832 * decl.c (reshape_init_array_1): Strip trailing zero-initializers
3833 from arrays of trivial type and known size.
3834 * mangle.c (write_expression): Convert braced initializer lists
3836 (write_expression): Trim trailing zero-initializers from arrays
3838 (write_template_arg_literal): Mangle strings the same as braced
3841 2019-04-03 Jason Merrill <jason@redhat.com>
3843 PR c++/81866 - ICE with member template and default targ.
3844 * pt.c (tsubst_template_decl): Handle getting a type from
3845 retrieve_specialization.
3847 PR c++/86586 - -fcompare-debug=-Wsign-compare.
3848 * typeck.c (cp_build_binary_op): Don't fold for -Wsign-compare.
3850 PR c++/89331 - ICE with offsetof in incomplete class.
3851 * semantics.c (finish_offsetof): Handle error_mark_node.
3852 * typeck.c (build_class_member_access_expr): Call
3853 complete_type_or_maybe_complain before converting to base.
3855 PR c++/89917 - ICE with lambda in variadic mem-init.
3856 * pt.c (make_pack_expansion): Change type_pack_expansion_p to false.
3858 2019-04-01 Jason Merrill <jason@redhat.com>
3860 PR c++/86946 - ICE with function call in template argument.
3862 * pt.c (iterative_hash_template_arg) [CALL_EXPR]: Use
3865 2019-04-01 Paolo Carlini <paolo.carlini@oracle.com>
3868 * pt.c (tsubst_copy): Deal with lookup_name not returing a variable.
3870 2019-03-31 Marek Polacek <polacek@redhat.com>
3872 PR c++/89852 - ICE with C++11 functional cast with { }.
3873 * constexpr.c (fold_non_dependent_expr_template): New static function
3875 (fold_non_dependent_expr): ...here.
3876 (fold_non_dependent_init): New function.
3877 * cp-tree.h (fold_non_dependent_init): Declare.
3878 * typeck2.c (massage_init_elt): Call fold_non_dependent_init instead
3879 of fold_non_dependent_expr. Don't call maybe_constant_init.
3881 2019-03-30 Jason Merrill <jason@redhat.com>
3883 PR c++/89744 - ICE with specialization of member class template.
3884 * pt.c (lookup_template_class_1): If the partial instantiation is
3885 explicitly specialized, adjust.
3886 (maybe_process_partial_specialization): Also adjust
3889 2019-03-29 Jakub Jelinek <jakub@redhat.com>
3892 * typeck.c: Include gimplify.h.
3893 (cp_build_modify_expr) <case COND_EXPR>: Unshare rhs before using it
3894 for second time. Formatting fixes.
3896 2019-03-29 Marek Polacek <polacek@redhat.com>
3898 PR c++/89876 - ICE with deprecated conversion.
3899 * call.c (convert_like_real): Only give warnings with tf_warning.
3901 2019-03-28 Marek Polacek <polacek@redhat.com>
3903 PR c++/89612 - ICE with member friend template with noexcept.
3904 * pt.c (maybe_instantiate_noexcept): For function templates, use their
3905 template result (function decl). Don't set up local specializations.
3906 Temporarily turn on processing_template_decl. Update the template type
3909 PR c++/89836 - bool constant expression and explicit conversions.
3910 * call.c (build_converted_constant_expr_internal): New function,
3912 (build_converted_constant_expr): ...this. New.
3913 (build_converted_constant_bool_expr): New.
3914 * cp-tree.h (build_converted_constant_bool_expr): Declare.
3915 * decl.c (build_explicit_specifier): Call
3916 build_converted_constant_bool_expr.
3918 2019-03-28 Jakub Jelinek <jakub@redhat.com>
3921 * constexpr.c (struct check_for_return_continue_data): New type.
3922 (check_for_return_continue): New function.
3923 (potential_constant_expression_1) <case SWITCH_STMT>: Walk
3924 SWITCH_STMT_BODY to find RETURN_EXPRs or CONTINUE_STMTs not nested
3925 in loop bodies and set *jump_target to that if found.
3927 2019-03-27 Jason Merrill <jason@redhat.com>
3929 PR c++/89831 - error with qualified-id in const member function.
3930 * semantics.c (finish_non_static_data_member): Use object cv-quals
3931 in scoped case, too.
3933 PR c++/89421 - ICE with lambda in template parameter list.
3934 * parser.c (cp_parser_lambda_expression): Also reject a lambda in a
3935 template parameter list before C++20.
3936 * pt.c (type_dependent_expression_p): True for LAMBDA_EXPR.
3937 * semantics.c (begin_class_definition): Restore error about defining
3938 non-lambda class in template parm list.
3940 2019-03-26 Jason Merrill <jason@redhat.com>
3942 PR c++/86932 - missed SFINAE with empty pack.
3943 * pt.c (coerce_template_parms): Don't add an empty pack if
3945 (fn_type_unification): Pass tf_partial to coerce_template_parms.
3947 PR c++/86429 - constexpr variable in lambda.
3950 * constexpr.c (cxx_eval_constant_expression): In a lambda function,
3951 try evaluating the captured variable directly.
3953 2019-03-26 Jakub Jelinek <jakub@redhat.com>
3956 * semantics.c (finish_omp_atomic): Add warning_sentinel for
3957 -Wunused-value around finish_expr_stmt call.
3959 2019-03-25 Paolo Carlini <paolo.carlini@oracle.com>
3963 * parser.c (cp_parser_binary_expression): Don't call cp_fully_fold
3964 to undo the disabling of warnings.
3966 2019-03-25 Jason Merrill <jason@redhat.com>
3968 PR c++/87748 - substitution failure error with decltype.
3969 * pt.c (most_specialized_partial_spec): Clear
3970 processing_template_decl.
3972 2019-03-25 Marek Polacek <polacek@redhat.com>
3974 PR c++/89214 - ICE when initializing aggregates with bases.
3975 * typeck2.c (digest_init_r): Warn about object slicing instead of
3978 PR c++/89705 - ICE with reference binding with conversion function.
3979 * call.c (reference_binding): If the result of the conversion function
3980 is a prvalue of non-class type, use the cv-unqualified type.
3982 2019-03-25 Nathan Sidwell <nathan@acm.org>
3984 * lambda.c (maybe_add_lambda_conv_op): Don't add to comdat group.
3986 2019-03-22 Jakub Jelinek <jakub@redhat.com>
3989 * cp-tree.h (get_tls_wrapper_fn): Remove declaration.
3990 (maybe_get_tls_wrapper_call): Declare.
3991 * decl2.c (get_tls_wrapper_fn): Make static.
3992 (maybe_get_tls_wrapper_call): New function.
3993 * typeck.c (build_class_member_access_expr): Handle accesses to TLS
3995 * semantics.c (finish_qualified_id_expr): Likewise.
3996 (finish_id_expression_1): Use maybe_get_tls_wrapper_call.
3997 * pt.c (tsubst_copy_and_build): Likewise.
4000 * constexpr.c (struct constexpr_ctx): Add constexpr_ops_count member.
4001 (cxx_eval_constant_expression): When not skipping, not constant class
4002 or location wrapper, increment *ctx->constexpr_ops_count and if it is
4003 above constexpr_loop_nest_limit, diagnose failure.
4004 (cxx_eval_outermost_constant_expr): Add constexpr_ops_count and
4005 initialize ctx.constexpr_ops_count to its address.
4006 (is_sub_constant_expr): Likewise.
4008 2019-03-21 Jakub Jelinek <jakub@redhat.com>
4011 * call.c (filed_in_pset): Change pset from hash_set<tree> * to
4012 hash_set<tree, true> &, adjust uses accordingly.
4013 (build_aggr_conv): Change pset from hash_set<tree> *
4014 to hash_set<tree, true>. Replace goto fail; with return NULL;,
4018 * parser.c (cp_parser_lambda_introducer): Add ids and first_capture_id
4019 variables, check for duplicates in this function.
4020 * lambda.c (add_capture): Don't check for duplicates nor use
4022 (register_capture_members): Don't clear IDENTIFIER_MARKED here.
4024 2019-03-21 Paolo Carlini <paolo.carlini@oracle.com>
4027 * method.c (after_nsdmi_defaulted_late_checks): Avoid passing
4028 error_mark_node to comp_except_specs.
4030 2019-03-20 Jason Merrill <jason@redhat.com>
4032 PR c++/87480 - decltype of member access in default template arg
4033 * pt.c (type_unification_real): Accept a dependent result in
4036 2019-03-19 Martin Sebor <msebor@redhat.com>
4038 PR tree-optimization/89688
4039 * typeck2.c (store_init_value): Call braced_lists_to_string for more
4040 kinds of initializers.
4042 2019-03-18 Jason Merrill <jason@redhat.com>
4044 PR c++/89630 - ICE with dependent using-decl as template arg.
4045 * tree.c (cp_tree_equal): Always return false for USING_DECL.
4047 PR c++/89761 - ICE with sizeof... in pack expansion.
4048 * pt.c (argument_pack_element_is_expansion_p): Handle
4049 ARGUMENT_PACK_SELECT.
4051 PR c++/89640 - GNU attributes on lambda.
4052 * parser.c (cp_parser_lambda_declarator_opt): Allow GNU attributes.
4054 PR c++/89682 - wrong access error in default argument.
4055 * pt.c (tsubst_default_argument): Don't defer access checks.
4057 2019-03-18 Paolo Carlini <paolo.carlini@oracle.com>
4060 * semantics.c (finish_non_static_data_member): Check return value
4061 of context_for_name_lookup and immediately return error_mark_node
4064 2019-03-17 Jason Merrill <jason@redhat.com>
4066 PR c++/89571 - ICE with ill-formed noexcept on constructor.
4067 * pt.c (maybe_instantiate_noexcept): Only return false if defaulted.
4068 (regenerate_decl_from_template): Use it for noexcept-specs.
4070 2019-03-14 Jason Merrill <jason@redhat.com>
4072 * parser.c (cp_parser_decl_specifier_seq): Support C++20
4073 concept-definition syntax without 'bool'.
4075 2019-03-14 Jakub Jelinek <jakub@redhat.com>
4078 * semantics.c (finish_qualified_id_expr): Reject variable templates.
4081 * constexpr.c (struct constexpr_ctx): Change save_exprs type from
4082 hash_set<tree> to vec<tree>.
4083 (cxx_eval_call_expression): Adjust for save_exprs being a vec instead
4085 (cxx_eval_loop_expr): Likewise. Truncate the vector after each
4086 removal of SAVE_EXPRs from values.
4087 (cxx_eval_constant_expression) <case SAVE_EXPR>: Call safe_push
4088 method on save_exprs instead of add.
4090 2019-03-13 Jason Merrill <jason@redhat.com>
4092 PR c++/86521 - C++17 copy elision in initialization by constructor.
4093 * call.c (joust_maybe_elide_copy): New.
4096 2019-03-13 Marek Polacek <polacek@redhat.com>
4098 PR c++/88979 - further P0634 fix for constructors.
4099 * parser.c (cp_parser_decl_specifier_seq): Pass flags to
4100 cp_parser_constructor_declarator_p.
4101 (cp_parser_direct_declarator): Allow missing typename for constructor
4103 (cp_parser_constructor_declarator_p): Add FLAGS parameter. Pass it to
4104 cp_parser_type_specifier.
4106 PR c++/89686 - mixing init-capture and simple-capture in lambda.
4107 * parser.c (cp_parser_lambda_introducer): Give error when combining
4108 init-capture and simple-capture.
4110 PR c++/89660 - bogus error with -Wredundant-move.
4111 * typeck.c (maybe_warn_pessimizing_move): Only accept (T &) &arg
4112 as the std::move's argument. Don't call convert_for_initialization
4113 when warn_redundant_move isn't on.
4115 2019-03-11 Jason Merrill <jason@redhat.com>
4117 PR c++/86521 - wrong overload resolution with ref-qualifiers.
4118 * call.c (build_user_type_conversion_1): Don't use a conversion to a
4119 reference of the wrong rvalueness for direct binding.
4121 2019-03-11 Martin Liska <mliska@suse.cz>
4123 * cvt.c (build_expr_type_conversion): Wrap apostrophes
4124 in gcc internal format with %'.
4125 * decl.c (check_no_redeclaration_friend_default_args): Likewise.
4126 (grokfndecl): Likewise.
4127 * name-lookup.c (do_pushtag): Likewise.
4128 * pt.c (unify_parameter_deduction_failure): Likewise.
4129 (unify_template_deduction_failure): Likewise.
4131 2019-03-11 Martin Liska <mliska@suse.cz>
4133 * call.c (convert_arg_to_ellipsis): Wrap an option name
4134 in a string format message and fix GNU coding style.
4135 (build_over_call): Likewise.
4136 * class.c (check_field_decl): Likewise.
4137 (layout_nonempty_base_or_field): Likewise.
4138 * constexpr.c (cxx_eval_loop_expr): Likewise.
4139 * cvt.c (type_promotes_to): Likewise.
4140 * decl.c (cxx_init_decl_processing): Likewise.
4141 (mark_inline_variable): Likewise.
4142 (grokdeclarator): Likewise.
4143 * decl2.c (record_mangling): Likewise.
4144 * error.c (maybe_warn_cpp0x): Likewise.
4145 * except.c (doing_eh): Likewise.
4146 * mangle.c (maybe_check_abi_tags): Likewise.
4147 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
4148 (cp_parser_userdef_numeric_literal): Likewise.
4149 (cp_parser_primary_expression): Likewise.
4150 (cp_parser_unqualified_id): Likewise.
4151 (cp_parser_pseudo_destructor_name): Likewise.
4152 (cp_parser_builtin_offsetof): Likewise.
4153 (cp_parser_lambda_expression): Likewise.
4154 (cp_parser_lambda_introducer): Likewise.
4155 (cp_parser_lambda_declarator_opt): Likewise.
4156 (cp_parser_selection_statement): Likewise.
4157 (cp_parser_init_statement): Likewise.
4158 (cp_parser_decomposition_declaration): Likewise.
4159 (cp_parser_function_specifier_opt): Likewise.
4160 (cp_parser_static_assert): Likewise.
4161 (cp_parser_simple_type_specifier): Likewise.
4162 (cp_parser_namespace_definition): Likewise.
4163 (cp_parser_using_declaration): Likewise.
4164 (cp_parser_ctor_initializer_opt_and_function_body): Likewise.
4165 (cp_parser_initializer_list): Likewise.
4166 (cp_parser_type_parameter_key): Likewise.
4167 (cp_parser_member_declaration): Likewise.
4168 (cp_parser_try_block): Likewise.
4169 (cp_parser_std_attribute_spec): Likewise.
4170 (cp_parser_requires_clause_opt): Likewise.
4171 * pt.c (check_template_variable): Likewise.
4172 (check_default_tmpl_args): Likewise.
4173 (push_tinst_level_loc): Likewise.
4174 (instantiate_pending_templates): Likewise.
4175 (invalid_nontype_parm_type_p): Likewise.
4176 * repo.c (get_base_filename): Likewise.
4177 * rtti.c (typeid_ok_p): Likewise.
4178 (build_dynamic_cast_1): Likewise.
4179 * tree.c (maybe_warn_parm_abi): Likewise.
4181 2019-03-08 Jakub Jelinek <jakub@redhat.com>
4184 * parser.c (cp_parser_template_declaration_after_parameters): Avoid
4185 one space before " at the end of line and another after " on another
4186 line in a string literal.
4188 PR tree-optimization/89550
4189 * semantics.c (maybe_convert_cond): Only set TREE_NO_WARNING if
4190 warning_at returned true.
4191 * decl2.c (c_parse_final_cleanups): Likewise.
4192 * typeck.c (convert_for_assignment): Likewise.
4193 * decl.c (finish_function): Likewise.
4196 * parser.c (cp_parser_asm_definition): Just warn instead of error
4197 on volatile qualifier outside of function body.
4200 * constexpr.c (potential_constant_expression_1): Reject
4201 REINTERPRET_CAST_P NOP_EXPRs.
4204 * call.c (joust): Call print_z_candidate only if pedwarn returned
4207 2019-03-07 Jason Merrill <jason@redhat.com>
4209 PR c++/88123 - lambda and using-directive.
4210 * name-lookup.c (op_unqualified_lookup)
4211 (maybe_save_operator_binding, discard_operator_bindings)
4212 (push_operator_bindings): New.
4213 * typeck.c (build_x_binary_op, build_x_unary_op): Call
4214 maybe_save_operator_binding.
4215 * decl.c (start_preparsed_function): Call push_operator_bindings.
4216 * tree.c (cp_free_lang_data): Call discard_operator_bindings.
4218 PR c++/88820 - ICE with CTAD and member template used in DMI.
4219 * pt.c (do_class_deduction): Handle parm used as its own arg.
4221 2019-03-07 Jakub Jelinek <jakub@redhat.com>
4224 * parser.c (cp_parser_asm_definition): Parse asm qualifiers even
4225 at toplevel, but diagnose them.
4227 2019-03-06 Jason Merrill <jason@redhat.com>
4229 PR c++/89381 - implicit copy and using-declaration.
4230 * class.c (classtype_has_move_assign_or_move_ctor_p): Don't consider
4231 op= brought in by a using-declaration.
4233 2019-03-06 Jakub Jelinek <jakub@redhat.com>
4236 * init.c (build_value_init_noctor): Ignore flexible array members.
4238 2019-03-06 Jason Merrill <jason@redhat.com>
4240 PR c++/89576 - if constexpr of lambda capture.
4241 * semantics.c (maybe_convert_cond): Do convert a non-dependent
4242 condition in a template.
4243 * typeck.c (condition_conversion): Handle being called in a
4246 2019-03-06 Marek Polacek <polacek@redhat.com>
4248 PR c++/87378 - bogus -Wredundant-move warning.
4249 * typeck.c (maybe_warn_pessimizing_move): See if the maybe-rvalue
4250 overload resolution would actually succeed.
4252 2019-03-05 Jason Merrill <jason@redhat.com>
4254 * class.c (is_really_empty_class): Add ignore_vptr parm.
4255 (trivial_default_constructor_is_constexpr): Pass it.
4256 * call.c (build_over_call): Pass it.
4257 * constexpr.c (cxx_eval_constant_expression): Pass it instead of
4258 checking TYPE_POLYMORPHIC_P.
4259 (cxx_eval_component_reference, potential_constant_expression_1):
4261 * cp-gimplify.c (simple_empty_class_p): Pass it.
4262 * init.c (expand_aggr_init_1): Pass it.
4264 2019-03-04 Paolo Carlini <paolo.carlini@oracle.com>
4267 * parser.c (cp_parser_class_head): Reject TYPE_BEING_DEFINED too.
4269 2019-03-04 Jakub Jelinek <jakub@redhat.com>
4272 * call.c (field_in_pset): New function.
4273 (build_aggr_conv): Handle CONSTRUCTOR_IS_DESIGNATED_INIT correctly.
4275 2019-03-02 Jakub Jelinek <jakub@redhat.com>
4278 * cp-tree.h (CONSTRUCTOR_IS_DESIGNATED_INIT): Define.
4279 * parser.c (cp_parser_braced_list): Adjust cp_parser_initializer_list
4280 caller, set CONSTRUCTOR_IS_DESIGNATED_INIT.
4281 (cp_parser_initializer_list): Add designated parameter, set *designated
4282 to a bool whether any designators were parsed.
4283 * decl.c (reshape_init): Copy over CONSTRUCTOR_IS_DESIGNATED_INIT if
4285 * pt.c (tsubst_copy_and_build): Likewise.
4286 * call.c (implicit_conversion): If CONSTRUCTOR_IS_DESIGNATED_INIT,
4287 don't call build_list_conv, nor build_complex_conv, nor attempt to
4288 convert a single element initializer to scalar.
4290 2019-03-01 Marek Polacek <polacek@redhat.com>
4292 PR c++/89537 - missing location for error with non-static member fn.
4293 * call.c (resolve_args): Use EXPR_LOCATION.
4294 * typeck.c (build_class_member_access_expr): Use input_location.
4296 PR c++/89532 - ICE with incomplete type in decltype.
4297 * semantics.c (finish_compound_literal): Return error_mark_node
4298 if digest_init_flags returns error_mark_node.
4300 2019-03-01 Jakub Jelinek <jakub@redhat.com>
4302 Implement P1002R1, Try-catch blocks in constexpr functions
4304 * parser.c (cp_parser_ctor_initializer_opt_and_function_body):
4305 Diagnose constexpr ctor or function with function-try-block with
4306 pedwarn for c++17 and earlier. Formatting fix.
4307 (cp_parser_try_block): Use pedwarn instead of error and only for
4308 c++17 and earlier when try block appears in constexpr function.
4309 * constexpr.c (build_constexpr_constructor_member_initializers):
4310 Handle TRY_BLOCK here instead of erroring on it.
4312 2019-02-28 Jason Merrill <jason@redhat.com>
4314 PR c++/88183 - ICE with .* fold-expression.
4315 * pt.c (fold_expression) [DOTSTAR_EXPR]: Remove special handling.
4317 PR c++/86969 - ICE with constexpr if and recursive generic lambdas.
4318 * class.c, lambda.c, pt.c: Revert earlier change.
4319 * lambda.c (add_capture): Don't special-case capture of dependent
4322 * name-lookup.c (print_binding_level): Print this_entity.
4324 2019-02-27 Marek Polacek <polacek@redhat.com>
4326 PR c++/88857 - ICE with value-initialization of argument in template.
4327 * call.c (convert_like_real): Don't call build_value_init in template.
4329 2019-02-27 Jason Merrill <jason@redhat.com>
4331 PR c++/86969 - ICE with constexpr if and recursive generic lambdas.
4332 * semantics.c (process_outer_var_ref): Do capture dependent vars.
4333 * class.c (finish_struct): Only add TAG_DEFN if T is in
4334 current_function_decl.
4335 * lambda.c (vla_capture_type): Force the capture type out into the
4336 lambda's enclosing function.
4337 (add_capture): Pass in the lambda.
4338 * pt.c (tsubst_lambda_expr): complete_type a VLA capture type.
4340 2019-02-27 Marek Polacek <polacek@redhat.com>
4342 PR c++/89511 - ICE with using-declaration and unscoped enumerator.
4343 * parser.c (cp_parser_using_declaration): For an unscoped enum
4344 only use its context if it's not a function declaration.
4346 2019-02-27 Paolo Carlini <paolo.carlini@oracle.com>
4349 * method.c (process_subob_fn): When maybe_instantiate_noexcept
4350 returns false don't call merge_exception_specifiers.
4352 2019-02-27 Paolo Carlini <paolo.carlini@oracle.com>
4355 * parser.c (cp_parser_noexcept_specification_opt): Return NULL_TREE
4356 for a non-constant parsed expression.
4358 2019-02-26 Jakub Jelinek <jakub@redhat.com>
4361 * constexpr.c (cxx_eval_store_expression): When changing active union
4362 member, set no_zero_init.
4364 2019-02-23 Marek Polacek <polacek@redhat.com>
4366 PR c++/88294 - ICE with non-constant noexcept-specifier.
4367 * pt.c (maybe_instantiate_noexcept): Set up the list of local
4368 specializations. Set current_class_{ptr,ref}.
4370 2019-02-22 David Malcolm <dmalcolm@redhat.com>
4373 * parser.c (cp_parser_unqualified_id): Capture and use locations
4376 2019-02-22 Marek Polacek <polacek@redhat.com>
4378 PR c++/89420 - ICE with CAST_EXPR in explicit-specifier.
4379 * decl.c (build_explicit_specifier): Don't check
4380 processing_template_decl. Call instantiation_dependent_expression_p
4381 instead of value_dependent_expression_p. Call
4382 instantiate_non_dependent_expr_sfinae before
4383 build_converted_constant_expr instead of calling
4384 instantiate_non_dependent_expr after it. Add
4385 processing_template_decl_sentinel.
4387 2019-02-22 Thomas Schwinge <thomas@codesourcery.com>
4389 * parser.c (cp_parser_oacc_simple_clause): Remove parser formal
4390 parameter, move loc formal parameter to the front. Adjust all
4392 (cp_parser_oacc_shape_clause): Add loc formal parameter. Adjust
4395 2019-02-21 Jason Merrill <jason@redhat.com>
4397 PR c++/87685 - generic lambda 'this' capture error.
4398 * lambda.c (lambda_expr_this_capture): Change add_capture_p to int.
4399 (maybe_generic_this_capture): Pass -1.
4401 PR c++/88394 - ICE with VLA init-capture.
4402 * lambda.c (is_normal_capture_proxy): Check DECL_CAPTURED_VARIABLE.
4404 PR c++/88869 - C++17 ICE with CTAD and explicit specialization.
4405 * pt.c (do_class_deduction): Don't include explicit specialization
4408 PR c++/89422 - ICE with -g and lambda in default arg in template.
4409 * pt.c (tsubst_function_decl): SET_DECL_FRIEND_CONTEXT sooner.
4411 2019-02-21 Jason Merrill <jason@redhat.com>
4413 PR c++/88419 - C++17 ICE with class template arg deduction.
4414 * pt.c (make_template_placeholder): Set TYPE_CANONICAL after
4415 CLASS_PLACEHOLDER_TEMPLATE.
4417 2019-02-21 Jakub Jelinek <jakub@redhat.com>
4420 * constexpr.c (struct constexpr_fundef): Add parms and result members.
4421 (retrieve_constexpr_fundef): Adjust for the above change.
4422 (register_constexpr_fundef): Save constexpr body with copy_fn,
4423 temporarily set DECL_CONTEXT on DECL_RESULT before that.
4424 (get_fundef_copy): Change FUN argument to FUNDEF with
4425 constexpr_fundef * type, grab body and parms/result out of
4426 constexpr_fundef struct and temporarily change it for copy_fn calls
4428 (cxx_eval_builtin_function_call): For __builtin_FUNCTION temporarily
4429 adjust current_function_decl from ctx->call context. Test
4430 !potential_constant_expression instead of !is_constant_expression.
4431 (cxx_bind_parameters_in_call): Grab parameters from new_call. Undo
4432 convert_for_arg_passing changes for TREE_ADDRESSABLE type passing.
4433 (cxx_eval_call_expression): Adjust get_fundef_copy caller.
4434 (cxx_eval_conditional_expression): For IF_STMT, allow then or else
4435 operands to be NULL.
4436 (label_matches): Handle BREAK_STMT and CONTINUE_STMT.
4437 (cxx_eval_loop_expr): Add support for FOR_STMT, WHILE_STMT and DO_STMT.
4438 (cxx_eval_switch_expr): Add support for SWITCH_STMT.
4439 (cxx_eval_constant_expression): Handle IF_STMT, FOR_STMT, WHILE_STMT,
4440 DO_STMT, CONTINUE_STMT, SWITCH_STMT, BREAK_STMT and CONTINUE_STMT.
4441 For SIZEOF_EXPR, recurse on the result of fold_sizeof_expr. Ignore
4442 DECL_EXPR with USING_DECL operand.
4443 * lambda.c (maybe_add_lambda_conv_op): Build thisarg using
4444 build_int_cst to make it a valid constant expression.
4446 2019-02-20 Jason Merrill <jason@redhat.com>
4448 PR c++/88690 - C++17 ICE with empty base in aggregate.
4449 * typeck2.c (process_init_constructor_record): Skip trivial
4450 initialization of an empty base.
4452 2019-02-21 Richard Biener <rguenther@suse.de>
4455 * vtable-class-hierarchy.c (vtv_generate_init_routine): Do not
4456 make symtab process new functions here.
4458 2019-02-20 Jason Merrill <jason@redhat.com>
4460 PR c++/87921 - wrong error with inline static data member.
4461 * decl2.c (finish_static_data_member_decl): Don't set DECL_IN_AGGR_P
4462 for a non-template inline variable. Do nothing for an
4463 already-instantiated variable.
4464 (c_parse_final_cleanups): Check DECL_IN_AGGR_P without
4466 * decl.c (check_initializer): Likewise.
4467 (make_rtl_for_nonlocal_decl): Likewise.
4468 * pt.c (instantiate_decl): Likewise.
4469 * typeck2.c (store_init_value): Likewise.
4471 2019-02-20 Jakub Jelinek <jakub@redhat.com>
4474 * decl2.c (c_parse_final_cleanups): Move TREE_ASM_WRITTEN setting
4475 for flag_syntax_only from here...
4476 * semantics.c (expand_or_defer_fn_1): ... here.
4479 * decl.c (maybe_commonize_var): When clearing TREE_PUBLIC and
4480 DECL_COMMON, set DECL_INTERFACE_KNOWN.
4483 * constexpr.c (cxx_eval_store_expression): Diagnose changing of active
4484 union member for -std=c++17 and earlier.
4486 2019-02-19 Jason Merrill <jason@redhat.com>
4488 PR c++/87513 - 'sorry' mangling PMF template-id.
4489 * mangle.c (write_expression): Handle SCOPE_REF to BASELINK.
4491 2019-02-19 Jason Merrill <jason@redhat.com>
4493 PR c++/88380 - wrong-code with flexible array and NSDMI.
4494 * typeck2.c (process_init_constructor_record): Skip flexarrays.
4496 2019-02-20 will wray <wjwray@gmail.com>
4498 PR c++/88572 - wrong handling of braces on scalar init.
4499 * decl.c (reshape_init_r): Allow braces around scalar initializer
4500 within aggregate init. Reject double braced-init of scalar
4503 2019-02-20 Paolo Carlini <paolo.carlini@oracle.com>
4506 * pt.c (tsubst_init): Diagnose an initializer expanding to an
4507 empty list of expressions; tweak wrt dependent types.
4508 (regenerate_decl_from_template): For VAR_DECLs call tsubst_init
4509 instead of tsubst_expr.
4511 2019-02-19 Jason Merrill <jason@redhat.com>
4513 PR c++/88368 - wrong 'use of deleted function'
4514 * method.c (walk_field_subobs): Remember errors from get_nsdmi.
4515 (get_defaulted_eh_spec): Call push_tinst_level.
4516 * pt.c (maybe_instantiate_noexcept): Keep error_mark_node.
4517 * typeck2.c (merge_exception_specifiers): Handle error_mark_node.
4519 2019-02-19 Chung-Lin Tang <cltang@codesourcery.com>
4522 * parser.c (cp_parser_oacc_clause_wait): Add representation of wait
4523 clause without argument as 'wait (GOMP_ASYNC_NOVAL)', adjust comments.
4525 2019-02-19 Jakub Jelinek <jakub@redhat.com>
4528 * lambda.c (maybe_generic_this_capture): Don't check
4529 DECL_NONSTATIC_MEMBER_FUNCTION_P on USING_DECLs.
4532 * typeck.c (build_reinterpret_cast_1): Don't handle void to
4533 && conversion go through build_target_expr_with_type.
4536 * error.c (qualified_name_lookup_error): Only call
4537 suggest_alternative_in_scoped_enum if name is IDENTIFIER_NODE.
4539 2019-02-19 Tom Honermann <tom@honermann.net>
4541 * name-lookup.c (get_std_name_hint): Added u8string as a name hint.
4543 2019-02-18 Jason Merrill <jason@redhat.com>
4545 PR c++/89336 - multiple stores in constexpr stmt.
4546 * constexpr.c (cxx_eval_store_expression): Preevaluate scalar or
4549 * pt.c (check_explicit_specialization): If the declarator is a
4550 template-id, only check whether the arguments are dependent.
4552 Improve duplicate [[likely]] diagnostic.
4553 * parser.c (cp_parser_statement): Make attrs_loc a range. Pass it
4554 to process_stmt_hotness_attribute.
4555 * cp-gimplify.c (process_stmt_hotness_attribute): Take attrs_loc.
4556 (genericize_if_stmt): Use likely/unlikely instead of predictor_name.
4558 2019-02-17 Marek Polacek <polacek@redhat.com>
4560 PR c++/89217 - ICE with list-initialization in range-based for loop.
4561 * constexpr.c (unshare_constructor): No longer static.
4562 * cp-tree.h (unshare_constructor): Declare.
4563 * semantics.c (finish_compound_literal): When dealing with a
4564 non-dependent expression in a template, return the original
4565 expression. Pass LOOKUP_NO_NARROWING to digest_init_flags.
4567 2019-02-13 Marek Polacek <polacek@redhat.com>
4569 PR c++/89297 - ICE with OVERLOAD in template.
4570 * semantics.c (finish_compound_literal): Call
4571 instantiate_non_dependent_expr_sfinae.
4573 2019-02-13 Alexandre Oliva <aoliva@redhat.com>
4576 * cp-tree.h (USING_DECL_SCOPE): Use result rather than type.
4577 * name-lookup.c (strip_using_decl): Use USING_DECL_SCOPE.
4578 * search.c (protected_accessible_p): Follow USING_DECL_DECLS.
4579 (shared_member_p): Likewise.
4580 (lookup_member): Likewise.
4581 * decl.c (grok_special_member_properties): Skip USING_DECLs.
4582 * semantics.c (finish_omp_declare_simd_methods): Likewise.
4583 (finish_qualified_id_expr): Do not call shared_member_p with
4587 * pt.c (tsubst_lambda_expr): Avoid duplicate tsubsting.
4588 Move cp_evaluated resetting before signature tsubsting.
4589 (gen_elem_of_pack_expansion_instantiation): Separate local
4590 specializations per index.
4592 2019-02-13 David Malcolm <dmalcolm@redhat.com>
4595 * class.c (add_method): Drop destructor assertion.
4597 2019-02-13 Paolo Carlini <paolo.carlini@oracle.com>
4600 * decl.c (make_typename_type): Allow for TYPE_PACK_EXPANSION as
4601 context (the first argument).
4602 * pt.c (tsubst, case TYPENAME_TYPE): Handle TYPE_PACK_EXPANSION
4605 2019-02-12 Jason Merrill <jason@redhat.com>
4607 PR c++/89144 - link error with constexpr initializer_list.
4608 * call.c (convert_like_real) [ck_list]: Don't allocate a temporary
4609 array for an empty list.
4610 * typeck2.c (store_init_value): Don't use cxx_constant_init in a
4613 2019-02-11 Jason Merrill <jason@redhat.com>
4615 PR c++/89241 - ICE with __func__ in lambda in template.
4616 * pt.c (enclosing_instantiation_of): Also check
4617 instantiated_lambda_fn_p for the template context.
4619 2019-02-11 Marek Polacek <polacek@redhat.com>
4621 PR c++/89212 - ICE converting nullptr to pointer-to-member-function.
4622 * pt.c (tsubst_copy_and_build) <case CONSTRUCTOR>: Return early for
4623 null member pointer value.
4625 2019-02-11 Jakub Jelinek <jakub@redhat.com>
4628 * pt.c (convert_nontype_argument): Pass true as manifestly_const_eval
4629 to maybe_constant_value calls.
4631 2019-02-11 Marek Polacek <polacek@redhat.com>
4633 * typeck2.c (digest_init_r): Remove commented code.
4635 2019-02-11 Martin Sebor <msebor@redhat.com>
4638 * decl.c (compute_array_index_type_loc): Preserve signed sizes
4639 for diagnostics. Call valid_array_size_p instead of error.
4640 * init.c (build_new_1): Compute size for diagnostic. Call
4641 invalid_array_size_error
4642 (build_new): Call valid_array_size_p instead of error.
4644 2019-02-07 Alexandre Oliva <aoliva@redhat.com>
4647 * call.c (compare_ics): Deal with ck_aggr in either cs.
4649 2019-02-06 David Malcolm <dmalcolm@redhat.com>
4652 * call.c (get_location_for_expr_unwinding_for_system_header): New
4654 (conversion_null_warnings): Use it when getting locations for
4655 EXPR, effectively adding a call to
4656 get_location_for_expr_unwinding_for_system_header for
4657 -Wconversion-null and making use of EXPR_LOCATION for
4658 -Wzero-as-null-pointer-constant.
4660 2019-02-05 Jakub Jelinek <jakub@redhat.com>
4663 * optimize.c (maybe_thunk_body): Clear TREE_ADDRESSABLE on
4664 PARM_DECLs of the thunk.
4665 * lambda.c (maybe_add_lambda_conv_op): Likewise.
4667 2019-02-05 Marek Polacek <polacek@redhat.com>
4669 PR c++/89158 - by-value capture of constexpr variable broken.
4670 * call.c (convert_like_real) <case ck_user>: Call mark_exp_read
4671 instead of mark_rvalue_use.
4673 2019-02-05 Alexandre Oliva <aoliva@redhat.com>
4676 * pt.c (instantiates_primary_template_p): New.
4677 (type_dependent_expression_p): Use it.
4679 2019-02-01 Jason Merrill <jason@redhat.com>
4681 PR c++/88761 - ICE with reference capture of constant.
4682 * lambda.c (mark_const_cap_r): Do walk subtrees of DECL_EXPR for
4685 2019-02-01 Marek Polacek <polacek@redhat.com>
4687 PR c++/88325 - ICE with invalid out-of-line template member definition.
4688 * parser.c (cp_parser_class_name): Don't call make_typename_type
4691 2019-02-01 Jakub Jelinek <jakub@redhat.com>
4694 * parser.c (cp_parser_gnu_attributes_opt): Set ok to false
4695 if require_open failed.
4697 2019-01-31 Marek Polacek <polacek@redhat.com>
4699 PR c++/89083, c++/80864 - ICE with list initialization in template.
4700 * constexpr.c (adjust_temp_type): Use copy_node and change the type
4701 instead of using build_constructor.
4702 * decl.c (reshape_init_r): Don't reshape a digested initializer.
4703 Return the initializer for COMPOUND_LITERAL_P.
4705 PR c++/88983 - ICE with switch in constexpr function.
4706 * constexpr.c (cxx_eval_switch_expr): Use SWITCH_COND and SWITCH_BODY.
4707 (cxx_eval_constant_expression) <case COND_EXPR>: Don't look for the
4708 label in the else branch if we found it in the then branch.
4710 2019-01-30 Jason Merrill <jason@redhat.com>
4712 PR c++/88752 - ICE with lambda and constexpr if.
4713 * cp-tree.h (LAMBDA_EXPR_INSTANTIATED): New.
4714 * pt.c (tsubst_lambda_expr): Set it.
4715 (instantiated_lambda_fn_p): Check it.
4716 (enclosing_instantiation_of): Use it.
4718 2019-01-31 Jakub Jelinek <jakub@redhat.com>
4721 * cxx-pretty-print.c (pp_cxx_enumeration_constant): Print always as
4722 a C cast in pp_c_flag_gnu_v3 mode.
4724 2019-01-30 Jakub Jelinek <jakub@redhat.com>
4727 * lambda.c (is_capture_proxy): Don't return true for
4728 DECL_OMP_PRIVATIZED_MEMBER artificial vars.
4730 2019-01-30 Marek Polacek <polacek@redhat.com>
4732 PR c++/89119 - ICE with value-initialization in template.
4733 * pt.c (tsubst_copy_and_build): Handle RANGE_EXPR.
4735 2019-01-29 Jason Merrill <jason@redhat.com>
4737 PR c++/86943 - wrong code converting lambda to function pointer.
4738 * lambda.c (maybe_add_lambda_conv_op): Use a template-id in the
4739 call. Only forward parms for decltype.
4740 * pt.c (tsubst_copy_and_build) [CALL_EXPR]: Handle CALL_FROM_THUNK_P
4742 * typeck.c (check_return_expr): Don't mess with a thunk call.
4744 2019-01-28 Jason Merrill <jason@redhat.com>
4746 PR c++/89089 - ICE with [[no_unique_address]].
4747 PR c++/88865 - wrong layout with [[no_unique_address]].
4748 * class.c (check_field_decls): A potentially-overlapping field makes
4749 the class non-layout-POD, but not non-empty.
4750 (end_of_class): Always consider empty data members.
4751 (layout_class_type): Set DECL_SIZE for empty fields.
4753 2019-01-28 Marek Polacek <polacek@redhat.com>
4755 PR c++/88358 - name wrongly treated as type.
4756 * parser.c (cp_parser_direct_declarator): Don't assume a qualified-id
4757 in parameter-list is a type if the function's declarator-id is not
4760 2019-01-27 Marek Polacek <polacek@redhat.com>
4762 PR c++/88815 - narrowing conversion lost in decltype.
4763 PR c++/78244 - narrowing conversion in template not detected.
4764 * cp-tree.h (CONSTRUCTOR_IS_DEPENDENT): New.
4765 * pt.c (instantiation_dependent_r): Consider a CONSTRUCTOR with
4766 CONSTRUCTOR_IS_DEPENDENT instantiation-dependent.
4767 * semantics.c (finish_compound_literal): When the compound literal
4768 isn't instantiation-dependent and the type isn't type-dependent,
4769 fall back to the normal processing. Set CONSTRUCTOR_IS_DEPENDENT.
4771 PR c++/89024 - ICE with incomplete enum type.
4772 * call.c (standard_conversion): When converting an
4773 ARITHMETIC_TYPE_P to an incomplete type, return NULL.
4775 2019-01-25 Paolo Carlini <paolo.carlini@oracle.com>
4778 * call.c (build_op_delete_call): Implement 7.6.2.5/(10.1).
4779 * decl2.c (coerce_delete_type): Use build_pointer_type instead
4782 2019-01-24 Jason Merrill <jason@redhat.com>
4784 PR c++/89001 - mangling of reference temporaries
4785 * cp-tree.h (struct saved_scope): Add ref_temp_count.
4786 (current_ref_temp_count): New macro.
4787 * mangle.c (mangle_ref_init_variable): Use it.
4788 * typeck2.c (store_init_value): Clear it.
4789 * call.c (make_temporary_var_for_ref_to_temp): Copy public and
4792 2019-01-24 Jakub Jelinek <jakub@redhat.com>
4795 * semantics.c (finish_omp_cancel): Diagnose more than one if
4796 on #pragma omp cancel with different modifiers. Use
4797 maybe_convert_cond when not in template or build_x_binary_op
4800 2019-01-23 Marek Polacek <polacek@redhat.com>
4802 PR c++/88757 - qualified name treated wrongly as type.
4803 * parser.c (cp_parser_direct_declarator): Don't treat qualified-ids
4804 in parameter-list as types if name lookup for declarator-id didn't
4805 find one or more function templates.
4807 2019-01-23 Jakub Jelinek <jakub@redhat.com>
4810 * cp-gimplify.c (genericize_cp_loop): Call begin_bc_block only
4811 after genericizing cond and incr expressions.
4814 * cp-gimplify.c (genericize_switch_stmt): Move cond genericization
4815 before the begin_bc_block call.
4817 2019-01-21 Jason Merrill <jason@redhat.com>
4819 PR c++/87893 - constexpr ctor ICE on ARM.
4820 PR c++/88293 - ICE with comma expression.
4821 * constexpr.c (initialized_type): Don't shortcut non-void type.
4822 Handle COMPOUND_EXPR.
4823 (cxx_eval_outermost_constant_expr): Return early for void type.
4825 2019-01-21 Jakub Jelinek <jakub@redhat.com>
4828 * optimize.c (cxx_copy_decl): New function.
4829 (clone_body): Use it instead of copy_decl_no_change.
4832 * typeck.c (cp_build_binary_op): Don't instrument
4833 SANITIZE_POINTER_COMPARE if processing_template_decl.
4834 (pointer_diff): Similarly for SANITIZE_POINTER_SUBTRACT.
4836 2019-01-18 Jason Merrill <jason@redhat.com>
4838 PR c++/88875 - error with explicit list constructor.
4839 * call.c (reference_binding): Don't modify EXPR. Set
4840 need_temporary_p on the ck_user conversion for a temporary.
4841 (convert_like_real): Check it.
4843 2019-01-18 H.J. Lu <hongjiu.lu@intel.com>
4847 * call.c (convert_for_arg_passing): Upate the
4848 warn_for_address_or_pointer_of_packed_member call.
4849 * typeck.c (convert_for_assignment): Likewise.
4851 2019-01-17 Jason Merrill <jason@redhat.com>
4853 PR c++/86205 - ICE with ?: of throw and template-id.
4854 * pt.c (resolve_nondeduced_context_or_error): Split out from...
4855 * typeck.c (decay_conversion): ...here.
4856 * call.c (build_conditional_expr_1): Use it.
4858 PR c++/86740, ICE with constexpr if and nested generic lambdas.
4859 * tree.c (cp_walk_subtrees): Handle LAMBDA_EXPR.
4861 2019-01-17 Paolo Carlini <paolo.carlini@oracle.com>
4863 * decl.c (grokdeclarator): Use typespec_loc in error messages
4864 about 'auto' and trailing return type.
4866 2019-01-17 David Malcolm <dmalcolm@redhat.com>
4869 * class.c (add_method): Don't use DECL_DESTRUCTOR_P on
4872 2019-01-17 Nathan Sidwell <nathan@acm.org>
4875 * semantics.c (process_outer_var_ref): Only skip dependent types
4878 2019-01-17 Alexandre Oliva <aoliva@redhat.com>
4881 * cp-tree.h (saved_scope): Add suppress_location_wrappers.
4882 * name-lookup.c (do_push_to_top_level): Save and reset it.
4883 (do_pop_from_top_level): Restore it.
4886 * pt.c (make_template_placeholder): Use auto_identifier.
4887 (is_auto): Drop CLASS_PLACEHOLDER_TEMPLATE test.
4888 * error.c (dump_type): Handle template placeholders.
4889 * cxx-pretty-print.c (pp_cx_unqualified_id): Likewise.
4892 * cvt.c (convert_to_void): Handle all cdtor calls as if
4895 2019-01-16 Paolo Carlini <paolo.carlini@oracle.com>
4897 * decl.c (grokdeclarator): Use locations[ds_storage_class] in
4898 error messages about ill-formed uses of mutable.
4900 2019-01-16 Marek Polacek <polacek@redhat.com>
4902 PR c++/78244 - narrowing conversion in template not detected.
4903 * call.c (perform_implicit_conversion_flags): Set
4904 IMPLICIT_CONV_EXPR_BRACED_INIT.
4905 * cp-tree.h (IMPLICIT_CONV_EXPR_BRACED_INIT): New.
4906 * pt.c (tsubst_copy_and_build): Use it.
4908 2019-01-15 David Malcolm <dmalcolm@redhat.com>
4911 * pt.c (build_deduction_guide): Bail out if tsubst_arg_types
4914 2019-01-15 Paolo Carlini <paolo.carlini@oracle.com>
4916 * decl.c (start_decl): Improve error location.
4917 * decl2.c (grokfield): Likewise.
4919 2019-01-15 Paolo Carlini <paolo.carlini@oracle.com>
4921 * decl.c (grokdeclarator): Move further up the location_t loc
4922 declaration and use the location when building a TYPE_DECL for
4924 * decl2.c (grokbitfield): Use DECL_SOURCE_LOCATION in the error
4925 about an ill-formed bit-field as typedef.
4927 2019-01-14 Marek Polacek <polacek@redhat.com>
4929 PR c++/88830 - ICE with abstract class.
4930 * decl2.c (maybe_emit_vtables): Check CLASSTYPE_LAZY_DESTRUCTOR.
4933 PR c++/88825 - ICE with bogus function return type deduction.
4934 * typeck.c (can_do_nrvo_p): Check error_mark_node.
4936 2019-01-14 Tom Honermann <tom@honermann.net>
4938 Implement P0482R5, char8_t: A type for UTF-8 characters and strings
4939 * cvt.c (type_promotes_to): Handle char8_t promotion.
4940 * decl.c (grokdeclarator): Handle invalid type specifier
4941 combinations involving char8_t.
4942 * lex.c (init_reswords): Add char8_t as a reserved word.
4943 * mangle.c (write_builtin_type): Add name mangling for char8_t (Du).
4944 * parser.c (cp_keyword_starts_decl_specifier_p)
4945 (cp_parser_simple_type_specifier): Recognize char8_t as a simple
4947 (cp_parser_string_literal): Use char8_array_type_node for the type
4949 (cp_parser_set_decl_spec_type): Tolerate char8_t typedefs in system
4951 * rtti.c (emit_support_tinfos): type_info support for char8_t.
4952 * tree.c (char_type_p): Recognize char8_t as a character type.
4953 * typeck.c (string_conv_p): Handle conversions of u8 string
4954 literals of char8_t type.
4955 (check_literal_operator_args): Handle UDLs with u8 string literals
4957 * typeck2.c (ordinary_char_type_p): New.
4958 (digest_init_r): Disallow initializing a char array with a u8 string
4961 2019-01-14 Martin Liska <mliska@suse.cz>
4963 PR gcov-profile/88263
4964 * decl2.c (get_tls_wrapper_fn): Use DECL_SOURCE_LOCATION
4965 as location of the TLS wrapper.
4967 2019-01-12 Paolo Carlini <paolo.carlini@oracle.com>
4969 * decl.c (cp_finish_decl): Improve error location.
4970 * decl2.c (grokfield): Likewise, improve two locations.
4972 2019-01-11 Marek Polacek <polacek@redhat.com>
4974 PR c++/88692, c++/87882 - -Wredundant-move false positive with *this.
4975 * typeck.c (maybe_warn_pessimizing_move): Return if ARG isn't
4978 2019-01-11 Jason Merrill <jason@redhat.com>
4980 PR c++/88312 - pack expansion of decltype.
4981 * pt.c (instantiation_dependent_r): A template non-type parameter
4982 pack is instantiation-dependent.
4984 2019-01-11 Jason Merrill <jason@redhat.com>
4986 PR c++/88613 - ICE with use of const var in lambda.
4987 * expr.c (mark_use): Fix location wrapper handling.
4988 * cp-gimplify.c (cp_fold_maybe_rvalue): Call mark_rvalue_use.
4990 2019-01-11 Tobias Burnus <burnus@net-b.de>
4993 * decl2.c (maybe_emit_vtables): If needed, generate code for
4994 the destructor of an abstract class.
4995 (mark_used): Update comment for older function-name change.
4997 2019-01-11 Paolo Carlini <paolo.carlini@oracle.com>
4999 * decl.c (start_decl): Improve error location.
5000 (grokdeclarator): Likewise, improve two locations.
5002 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
5006 * cp-tree.h: Mechanically replace "can not" with "cannot".
5007 * parser.c: Likewise.
5010 2019-01-08 Paolo Carlini <paolo.carlini@oracle.com>
5012 * decl.c (grok_reference_init): Improve error location.
5013 (grokdeclarator): Likewise, improve two locations.
5015 2019-01-08 Marek Polacek <polacek@redhat.com>
5017 PR c++/88538 - braced-init-list in template-argument-list.
5018 * parser.c (cp_parser_template_argument): Handle braced-init-list when
5021 PR c++/88548 - this accepted in static member functions.
5022 * parser.c (cp_debug_parser): Adjust printing of
5023 local_variables_forbidden_p.
5024 (cp_parser_new): Set local_variables_forbidden_p to 0 rather than false.
5025 (cp_parser_primary_expression): When checking
5026 local_variables_forbidden_p, use THIS_FORBIDDEN or
5027 LOCAL_VARS_FORBIDDEN.
5028 (cp_parser_lambda_body): Update the type of
5029 local_variables_forbidden_p. Set it to 0 rather than false.
5030 (cp_parser_condition): Adjust call to cp_parser_declarator.
5031 (cp_parser_explicit_instantiation): Likewise.
5032 (cp_parser_init_declarator): Likewise.
5033 (cp_parser_declarator): New parameter. Use it.
5034 (cp_parser_direct_declarator): New parameter. Use it to set
5035 local_variables_forbidden_p. Adjust call to cp_parser_declarator.
5036 (cp_parser_type_id_1): Adjust call to cp_parser_declarator.
5037 (cp_parser_parameter_declaration): Likewise.
5038 (cp_parser_default_argument): Update the type of
5039 local_variables_forbidden_p. Set it to LOCAL_VARS_AND_THIS_FORBIDDEN
5041 (cp_parser_member_declaration): Tell cp_parser_declarator if we saw
5042 'static' or 'friend'.
5043 (cp_parser_exception_declaration): Adjust call to cp_parser_declarator.
5044 (cp_parser_late_parsing_default_args): Update the type of
5045 local_variables_forbidden_p. Set it to LOCAL_VARS_AND_THIS_FORBIDDEN
5047 (cp_parser_cache_defarg): Adjust call to cp_parser_declarator.
5048 (cp_parser_objc_class_ivars): Likewise.
5049 (cp_parser_objc_struct_declaration): Likewise.
5050 (cp_parser_omp_for_loop_init): Likewise.
5051 * parser.h (cp_parser): Change the type of local_variables_forbidden_p
5053 (LOCAL_VARS_FORBIDDEN, LOCAL_VARS_AND_THIS_FORBIDDEN, THIS_FORBIDDEN):
5056 2019-01-08 Paolo Carlini <paolo.carlini@oracle.com>
5058 * decl.c (start_decl): Improve permerror location.
5060 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5061 Jakub Jelinek <jakub@redhat.com>
5064 * decl.c (finish_function): For -Wreturn-type don't add a return *this;
5065 fixit hint if current_class_ref is NULL. Use a single if instead of
5068 2019-01-07 Paolo Carlini <paolo.carlini@oracle.com>
5070 * decl.c (start_decl): Improve two error_at locations.
5071 (expand_static_init): Likewise.
5073 2019-01-07 Marek Polacek <polacek@redhat.com>
5075 PR c++/88741 - wrong error with initializer-string.
5076 * decl.c (cp_complete_array_type): Strip any location wrappers.
5078 2019-01-07 Bernd Edlinger <bernd.edlinger@hotmail.de>
5084 * cp-tree.h (LOOKUP_ALLOW_FLEXARRAY_INIT): New flag value.
5085 * typeck2.c (digest_init_r): Raise an error for non-static
5086 initialization of a flexible array member.
5087 (process_init_constructor, massage_init_elt,
5088 process_init_constructor_array, process_init_constructor_record,
5089 process_init_constructor_union, process_init_constructor): Add the
5090 flags parameter and pass it thru.
5091 (store_init_value): Pass LOOKUP_ALLOW_FLEXARRAY_INIT parameter to
5092 digest_init_flags for static decls.
5094 2019-01-07 Jakub Jelinek <jakub@redhat.com>
5097 * cp-tree.h (cp_build_vec_convert): Declare.
5098 * parser.c (cp_parser_postfix_expression): Parse
5099 __builtin_convertvector.
5100 * constexpr.c: Include fold-const-call.h.
5101 (cxx_eval_internal_function): Handle IFN_VEC_CONVERT.
5102 (potential_constant_expression_1): Likewise.
5103 * semantics.c (cp_build_vec_convert): New function.
5104 * pt.c (tsubst_copy_and_build): Handle CALL_EXPR to
5107 2019-01-03 Jakub Jelinek <jakub@redhat.com>
5110 * decl.c (builtin_function_1): Return result of pushdecl_top_level
5111 or pushdecl rather than decl.
5113 2019-01-03 Paolo Carlini <paolo.carlini@oracle.com>
5115 * tree.c (handle_nodiscard_attribute): Improve warning location.
5117 2019-01-02 Marek Polacek <polacek@redhat.com>
5119 PR c++/88612 - ICE with -Waddress-of-packed-member.
5120 * call.c (convert_for_arg_passing): Only give warnings with tf_warning.
5121 * typeck.c (convert_for_assignment): Likewise.
5123 PR c++/88631 - CTAD failing for value-initialization.
5124 * typeck2.c (build_functional_cast): Try deducing the template
5125 arguments even if there are no arguments to deduce from.
5127 2019-01-01 Jakub Jelinek <jakub@redhat.com>
5129 Update copyright years.
5131 Copyright (C) 2019 Free Software Foundation, Inc.
5133 Copying and distribution of this file, with or without modification,
5134 are permitted in any medium without royalty provided the copyright
5135 notice and this notice are preserved.