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gnu/gcc.git/refs/heads/master/./gcc/cp/ChangeLog-2023
blob: c2d57f475eb77ffaf266fa670e14cd40e228ae4b [file]
2023-12-22 Jason Merrill <jason@redhat.com>
PR c++/81438
* decl.cc (poplevel_named_label_1): Handle leaving catch.
(check_previous_goto_1): Likewise.
(check_goto_1): Likewise.
2023-12-22 Jason Merrill <jason@redhat.com>
PR c++/95298
* mangle.cc (write_expression): Handle v18 sizeof... bug.
* pt.cc (tsubst_pack_expansion): Keep TREE_VEC for sizeof...
(tsubst_expr): Don't strip TREE_VEC here.
2023-12-21 Patrick Palka <ppalka@redhat.com>
* cp-tree.h (maybe_warn_unparenthesized_assignment): Add
'nested_p' bool parameter.
* semantics.cc (boolish_class_type_p_cache): Define.
(boolish_class_type_p): Define.
(maybe_warn_unparenthesized_assignment): Add 'nested_p'
bool parameter. Suppress the warning for nested assignments
to bool and bool-like class types.
(maybe_convert_cond): Pass nested_p=false to
maybe_warn_unparenthesized_assignment.
* typeck.cc (convert_for_assignment): Pass nested_p=true to
maybe_warn_unparenthesized_assignment. Remove now redundant
check for 'rhs' having bool type.
2023-12-21 Patrick Palka <ppalka@redhat.com>
PR c++/84542
* decl.cc (merge_attribute_bits): Merge TREE_DEPRECATED
and TREE_UNAVAILABLE.
2023-12-21 Patrick Palka <ppalka@redhat.com>
PR c++/70413
PR c++/107906
* decl2.cc (min_vis_expr_r): Handle PTRMEM_CST and TEMPLATE_DECL
other than those for alias templates.
2023-12-21 Jakub Jelinek <jakub@redhat.com>
* cp-gimplify.cc (cp_genericize_r): If warn_alloc_size, call
warn_for_alloc_size for -Walloc-size diagnostics.
* semantics.cc (finish_call_expr): If warn_calloc_transposed_args,
call warn_for_calloc for -Wcalloc-transposed-args diagnostics.
2023-12-21 Jason Merrill <jason@redhat.com>
PR c++/37722
* decl.cc (identify_goto): Adjust for computed goto.
(struct named_label_use_entry): Add computed_goto field.
(poplevel_named_label_1): Add to computed_goto vec.
(check_previous_goto_1): Dump computed_goto vec.
(check_goto_1): Split out from check_goto.
(check_goto): Check all addressable labels for computed goto.
(struct named_label_entry): Add addressed field.
(mark_label_addressed): New.
* parser.cc (cp_parser_unary_expression): Call it.
* cp-tree.h (mark_label_addressed): Declare it.
2023-12-20 Jason Merrill <jason@redhat.com>
PR c++/113088
PR c++/33799
* except.cc (maybe_splice_retval_cleanup): Handle an empty block.
2023-12-20 Jason Merrill <jason@redhat.com>
PR c++/103185
* typeck.cc (cp_build_array_ref): Handle swapped operands.
2023-12-19 Patrick Palka <ppalka@redhat.com>
PR c++/113063
* method.cc (synthesize_method): Use maybe_push_to_top_level
and maybe_pop_from_top_level.
2023-12-19 Patrick Palka <ppalka@redhat.com>
* name-lookup.cc (struct local_state_t): Define.
(local_state_stack): Define.
(maybe_push_to_top_level): Use them.
(maybe_pop_from_top_level): Likewise.
* pt.cc (instantiate_decl): Remove dead code for saving/restoring
cp_unevaluated_operand and c_inhibit_evaluation_warnings.
2023-12-19 Nathaniel Shead <nathanieloshead@gmail.com>
PR c++/102420
* constexpr.cc (cxx_bind_parameters_in_call): Check for calling
non-static member functions with a null pointer.
2023-12-19 Sandra Loosemore <sandra@codesourcery.com>
* decl.cc (omp_declare_variant_finalize_one): Adjust for new
representations.
* parser.cc (omp_construct_selectors): Delete.
(omp_device_selectors): Delete.
(omp_implementation_selectors): Delete.
(omp_user_selectors): Delete.
(cp_parser_omp_context_selector): Adjust for new representations
and simplify dispatch logic. Uniformly warn instead of sometimes
error when an unknown selector is found. Adjust error messages
for extraneous/incorrect score.
(cp_parser_omp_context_selector_specification): Likewise.
* pt.cc (tsubst_attribute): Adjust for new representations.
2023-12-19 Sandra Loosemore <sandra@codesourcery.com>
* parser.cc (cp_parser_omp_context_selector): Adjust for new
namelist property representation.
* pt.cc (tsubst_attribute): Likewise.
2023-12-19 Sandra Loosemore <sandra@codesourcery.com>
* parser.cc (cp_parser_omp_context_selector): Use new constructors.
* pt.cc: Include omp-general.h.
(tsubst_attribute): Use new context selector accessors and
constructors.
2023-12-19 Patrick Palka <ppalka@redhat.com>
PR c++/90679
* cp-tree.h (comp_template_args): Remove partial_order parameter.
(template_args_equal): Likewise.
* pt.cc (comparing_for_partial_ordering): New global flag.
(iterative_hash_template_arg) <case tcc_type>: Hash the template
and arguments for specializations that use structural equality.
(template_args_equal): Remove partial order parameter and
use comparing_for_partial_ordering instead.
(comp_template_args): Likewise.
(comp_template_args_porder): Set comparing_for_partial_ordering
instead. Make static.
(any_template_arguments_need_structural_equality_p): Return true
for an argument that's a dependent alias template specialization
or a class template specialization that itself needs structural
equality.
* tree.cc (cp_tree_equal) <case TREE_VEC>: Adjust call to
comp_template_args.
2023-12-19 Patrick Palka <ppalka@redhat.com>
PR c++/90679
* cp-tree.h (TEMPLATE_DECL_COMPLEX_ALIAS_P): Remove.
(most_general_template): Constify parameter.
* pt.cc (push_template_decl): Adjust after removing
TEMPLATE_DECL_COMPLEX_ALIAS_P.
(complex_alias_tmpl_info): New hash_map.
(uses_all_template_parms_data::seen): Change type to
tree* from bool*.
(complex_alias_template_r): Adjust accordingly.
(complex_alias_template_p): Add 'seen_out' out parameter.
Call most_general_template and check PRIMARY_TEMPLATE_P.
Use complex_alias_tmpl_info to cache the result and set
'*seen_out' accordigly.
(dependent_alias_template_spec_p): Add !processing_template_decl
early exit test. Consider dependence of only template arguments
corresponding to seen template parameters as per
2023-12-19 Thomas Schwinge <thomas@codesourcery.com>
PR c++/90868
* parser.cc (cp_parser_oacc_declare): For "more than once", check
the DECL that we're actually setting the attribute on.
2023-12-16 Nathaniel Shead <nathanieloshead@gmail.com>
PR c++/106363
* module.cc (module_state::write_cluster): Don't skip first
depset for bindings.
2023-12-16 Nathaniel Shead <nathanieloshead@gmail.com>
PR c++/113031
* constexpr.cc (cxx_fold_indirect_ref_1): Check for CLASS_TYPE
before using CLASSTYPE_AS_BASE.
2023-12-16 Andrew Carlotti <andrew.carlotti@arm.com>
* decl2.cc (check_classfn): Update comment to include
target_version attributes.
2023-12-15 Patrick Palka <ppalka@redhat.com>
PR c++/70435
PR c++/88061
* pt.cc (tsubst_function_decl): Propagate DECL_SECTION_NAME
via set_decl_section_name.
(tsubst_decl) <case VAR_DECL>: Likewise.
2023-12-15 Patrick Palka <ppalka@redhat.com>
PR c++/109715
* mangle.cc (get_abi_tags): Strip TEMPLATE_DECL before looking
up the abi_tag attribute.
2023-12-14 Marek Polacek <polacek@redhat.com>
PR c++/112482
* decl.cc (grokdeclarator): Do not issue the auto parameter error while
tentatively parsing a function parameter.
* parser.cc (cp_parser_parameter_declaration_clause): Check it here.
2023-12-14 Marek Polacek <polacek@redhat.com>
PR c++/112869
* cp-gimplify.cc (cp_fold_immediate_r): Check cp_unevaluated_operand
and DECL_IMMEDIATE_FUNCTION_P rather than in_immediate_context.
2023-12-14 Patrick Palka <ppalka@redhat.com>
* cp-tree.h (type_targs_deducible_from): Adjust return type.
* pt.cc (alias_ctad_tweaks): Also handle C++23 inherited CTAD.
(inherited_ctad_tweaks): Define.
(type_targs_deducible_from): Return the deduced arguments or
NULL_TREE instead of a bool. Handle 'tmpl' being a TREE_LIST
representing a synthetic alias template.
(ctor_deduction_guides_for): Do inherited_ctad_tweaks for each
USING_DECL in C++23 mode.
(deduction_guides_for): Add FIXME for stale cache entries in
light of inherited CTAD.
2023-12-14 Jakub Jelinek <jakub@redhat.com>
PR c++/112968
* pt.cc (freelist<tree_node>::reinit): Make whole obj->common
defined for valgrind annotations rather than just obj->base,
and do it even for ENABLE_GC_CHECKING. If not ENABLE_GC_CHECKING,
clear TREE_CHAIN (obj) and TREE_TYPE (obj).
2023-12-13 Patrick Palka <ppalka@redhat.com>
* call.cc (print_z_candidates): Only print ignored candidates
when -fdiagnostics-all-candidates is set, otherwise suggest
the flag.
(build_over_call): When diagnosing deletedness, note
other candidates only if -fdiagnostics-all-candidates is
set, otherwise suggest the flag.
2023-12-13 Patrick Palka <ppalka@redhat.com>
* call.cc (enum rejection_reason_code): Add rr_ignored.
(add_ignored_candidate): Define.
(ignored_candidate_p): Define.
(add_template_candidate_real): Do add_ignored_candidate
instead of returning NULL.
(splice_viable): Put ignored (non-viable) candidates last.
(print_z_candidate): Handle ignored candidates.
(build_new_function_call): Refine shortcut that calls
cp_build_function_call_vec now that non-templates can
appear in the candidate list for a template-id call.
(add_candidates): Replace 'bad_fns' overload with 'bad_cands'
candidate list. When not considering a candidate, add it
to the list as an ignored candidate. Add all 'bad_cands'
to the overload set as well.
2023-12-13 Patrick Palka <ppalka@redhat.com>
* call.cc: Include "tristate.h".
(splice_viable): Sort the candidate list according to viability.
Don't remove non-viable candidates from the list.
(print_z_candidates): Add defaulted only_viable_p parameter.
By default only print non-viable candidates if there is no
viable candidate.
(tourney): Ignore non-viable candidates. Move the true champ to
the front of the candidates list, and update 'candidates' to
point to the front. Rename champ_compared_to_predecessor to
previous_worse_champ.
2023-12-13 Patrick Palka <ppalka@redhat.com>
PR c++/99186
PR c++/104867
* pt.cc (unify) <case INTEGER_CST>: Compare types as well.
2023-12-13 Patrick Palka <ppalka@redhat.com>
PR c++/93740
* pt.cc (unify) <case FUNCTION_DECL>: Handle it like FIELD_DECL
and TEMPLATE_DECL.
2023-12-13 Jason Merrill <jason@redhat.com>
* call.cc (convert_for_arg_passing)
* typeck.cc (convert_for_assignment): Adjust call to
warn_for_address_of_packed_member.
2023-12-13 Julian Brown <julian@codesourcery.com>
* parser.cc (cp_parser_oacc_all_clauses): Add TARGET_P parameter. Use
to select region type for finish_omp_clauses call.
(cp_parser_omp_target_data, cp_parser_omp_target_enter_data): Support
GOMP_MAP_ATTACH kind.
(cp_parser_omp_target_exit_data): Support GOMP_MAP_DETACH kind.
(cp_parser_oacc_declare): Update call to cp_parser_oacc_all_clauses.
(cp_parser_oacc_loop): Update calls to cp_parser_oacc_all_clauses.
(cp_parser_oacc_compute): Likewise.
* pt.cc (tsubst_expr): Use C_ORT_ACC_TARGET for call to
tsubst_omp_clauses for OpenACC compute regions.
* semantics.cc (cp_omp_address_inspector): New class, derived from
c_omp_address_inspector.
(handle_omp_array_sections_1, handle_omp_array_sections,
finish_omp_clauses): Use cp_omp_address_inspector class and OMP address
tokenizer to analyze and expand OpenMP map clause expressions. Fix
some diagnostics. Support C_ORT_ACC_TARGET.
(finish_omp_target): Handle GOMP_MAP_POINTER.
2023-12-13 Julian Brown <julian@codesourcery.com>
* semantics.cc (finish_omp_clause): Add braces and reindent
OMP_CLAUSE_TO/OMP_CLAUSE_FROM/OMP_CLAUSE__CACHE_ stanza.
2023-12-13 Jason Merrill <jason@redhat.com>
PR c++/96997
* tree.cc (bot_manip): Check data.clear_location for TARGET_EXPR.
2023-12-13 Nathaniel Shead <nathanieloshead@gmail.com>
PR c++/71093
* constexpr.cc (constexpr_global_ctx::get_value_ptr): Don't
return NULL_TREE for objects we're initializing.
(constexpr_global_ctx::destroy_value): Rename from remove_value.
Only mark real variables as outside lifetime.
(constexpr_global_ctx::clear_value): New function.
(destroy_value_checked): New function.
(cxx_eval_call_expression): Defer complaining about non-constant
arg0 for operator delete. Use remove_value_safe.
(cxx_fold_indirect_ref_1): Handle conversion to 'as base' type.
(outside_lifetime_error): Include name of object we're
accessing.
(cxx_eval_store_expression): Handle clobbers. Improve error
messages.
(cxx_eval_constant_expression): Use remove_value_safe. Clear
bind variables before entering body.
2023-12-13 Jason Merrill <jason@redhat.com>
* constexpr.cc (cxx_eval_call_expression): Handle missing in-charge
argument.
2023-12-13 Jason Merrill <jason@redhat.com>
PR c++/108243
* constexpr.cc (cxx_eval_outermost_constant_expr): Turn
a constructor CALL_EXPR into a TARGET_EXPR.
2023-12-13 Jason Merrill <jason@redhat.com>
* tree.cc (build_aggr_init_expr): Copy EXPR_LOCATION.
2023-12-12 Jason Merrill <jason@redhat.com>
Jason Xu <rxu@DRWHoldings.com>
* class.cc (propagate_class_warmth_attribute): Handle
member templates.
2023-12-12 Jason Merrill <jason@redhat.com>
Nathaniel Shead <nathanieloshead@gmail.com>
* call.cc (build_trivial_dtor_call): Use CLOBBER_OBJECT_END.
* decl.cc (build_clobber_this): Take clobber_kind argument.
(start_preparsed_function): Pass CLOBBER_OBJECT_BEGIN.
(begin_destructor_body): Pass CLOBBER_OBJECT_END.
2023-12-11 Patrick Palka <ppalka@redhat.com>
* pt.cc (alias_ctad_tweaks): Pass use_spec_table=false to
tsubst_decl.
2023-12-11 Tobias Burnus <tobias@codesourcery.com>
* parser.cc (cp_parser_omp_requires): Handle acquires/release
in atomic_default_mem_order clause.
(cp_parser_omp_atomic): Update.
2023-12-11 Nathaniel Shead <nathanieloshead@gmail.com>
PR c++/96090
PR c++/100470
* call.cc (build_over_call): Prevent folding of trivial special
members when checking for noexcept.
* method.cc (constructible_expr): Perform value-initialisation
for empty parameter lists.
(is_nothrow_xible): Treat as noexcept operator.
2023-12-11 Nathaniel Shead <nathanieloshead@gmail.com>
PR c++/104234
PR c++/112580
* pt.cc (tsubst_template_decl): Clear
DECL_UNINSTANTIATED_TEMPLATE_FRIEND_P.
2023-12-10 Ken Matsui <kmatsui@gcc.gnu.org>
* cp-trait.def: Define __remove_pointer.
* semantics.cc (finish_trait_type): Handle CPTK_REMOVE_POINTER.
2023-12-10 Ken Matsui <kmatsui@gcc.gnu.org>
* cp-trait.def: Define __is_object.
* constraint.cc (diagnose_trait_expr): Handle CPTK_IS_OBJECT.
* semantics.cc (trait_expr_value): Likewise.
(finish_trait_expr): Likewise.
2023-12-10 Ken Matsui <kmatsui@gcc.gnu.org>
* cp-trait.def: Define __is_function.
* constraint.cc (diagnose_trait_expr): Handle CPTK_IS_FUNCTION.
* semantics.cc (trait_expr_value): Likewise.
(finish_trait_expr): Likewise.
2023-12-10 Ken Matsui <kmatsui@gcc.gnu.org>
* cp-trait.def: Define __is_reference.
* constraint.cc (diagnose_trait_expr): Handle CPTK_IS_REFERENCE.
* semantics.cc (trait_expr_value): Likewise.
(finish_trait_expr): Likewise.
2023-12-10 Ken Matsui <kmatsui@gcc.gnu.org>
* cp-trait.def: Define __is_member_object_pointer.
* constraint.cc (diagnose_trait_expr): Handle
CPTK_IS_MEMBER_OBJECT_POINTER.
* semantics.cc (trait_expr_value): Likewise.
(finish_trait_expr): Likewise.
2023-12-10 Ken Matsui <kmatsui@gcc.gnu.org>
* cp-trait.def: Define __is_member_function_pointer.
* constraint.cc (diagnose_trait_expr): Handle
CPTK_IS_MEMBER_FUNCTION_POINTER.
* semantics.cc (trait_expr_value): Likewise.
(finish_trait_expr): Likewise.
2023-12-10 Ken Matsui <kmatsui@gcc.gnu.org>
* cp-trait.def: Define __is_member_pointer.
* constraint.cc (diagnose_trait_expr): Handle
CPTK_IS_MEMBER_POINTER.
* semantics.cc (trait_expr_value): Likewise.
(finish_trait_expr): Likewise.
2023-12-10 Ken Matsui <kmatsui@gcc.gnu.org>
* cp-trait.def: Define __is_scoped_enum.
* constraint.cc (diagnose_trait_expr): Handle CPTK_IS_SCOPED_ENUM.
* semantics.cc (trait_expr_value): Likewise.
(finish_trait_expr): Likewise.
2023-12-10 Ken Matsui <kmatsui@gcc.gnu.org>
* cp-trait.def: Define __is_bounded_array.
* constraint.cc (diagnose_trait_expr): Handle
CPTK_IS_BOUNDED_ARRAY.
* semantics.cc (trait_expr_value): Likewise.
(finish_trait_expr): Likewise.
2023-12-10 Ken Matsui <kmatsui@gcc.gnu.org>
* cp-trait.def: Define __is_array.
* constraint.cc (diagnose_trait_expr): Handle CPTK_IS_ARRAY.
* semantics.cc (trait_expr_value): Likewise.
(finish_trait_expr): Likewise.
2023-12-10 Jason Merrill <jason@redhat.com>
* parser.cc (cp_parser_simple_type_specifier): Move trait
handling to default label.
2023-12-10 Ken Matsui <kmatsui@gcc.gnu.org>
* parser.cc (cp_lexer_lookup_trait): Rename to ...
(cp_lexer_peek_trait): ... this. Handle a subsequent token for
the corresponding built-in trait.
(cp_lexer_lookup_trait_expr): Rename to ...
(cp_lexer_peek_trait_expr): ... this.
(cp_lexer_lookup_trait_type): Rename to ...
(cp_lexer_peek_trait_type): ... this.
(cp_lexer_next_token_is_decl_specifier_keyword): Call
cp_lexer_peek_trait_type.
(cp_parser_simple_type_specifier): Likewise.
(cp_parser_primary_expression): Call cp_lexer_peek_trait_expr.
2023-12-10 Ken Matsui <kmatsui@gcc.gnu.org>
Patrick Palka <ppalka@redhat.com>
* cp-objcp-common.cc (names_builtin_p): Remove all RID value
cases for built-in traits. Check for built-in traits via
the new cik_trait kind.
* cp-tree.h (enum cp_trait_kind): Set its underlying type to
addr_space_t.
(struct cp_trait): New struct to hold trait information.
(cp_traits): New array to hold a mapping to all traits.
(cik_reserved_for_udlit): Rename to ...
(cik_trait): ... this.
(IDENTIFIER_ANY_OP_P): Exclude cik_trait.
(IDENTIFIER_TRAIT_P): New macro to detect cik_trait.
* lex.cc (cp_traits): Define its values, declared in cp-tree.h.
(init_cp_traits): New function to set cik_trait and
IDENTIFIER_CP_INDEX for all built-in trait identifiers.
(cxx_init): Call init_cp_traits function.
* parser.cc (cp_lexer_lookup_trait): New function to look up a
built-in trait by IDENTIFIER_CP_INDEX.
(cp_lexer_lookup_trait_expr): Likewise, look up an
expression-yielding built-in trait.
(cp_lexer_lookup_trait_type): Likewise, look up a type-yielding
built-in trait.
(cp_keyword_starts_decl_specifier_p): Remove all RID value cases
for built-in traits.
(cp_lexer_next_token_is_decl_specifier_keyword): Handle
type-yielding built-in traits.
(cp_parser_primary_expression): Remove all RID value cases for
built-in traits. Handle expression-yielding built-in traits.
(cp_parser_trait): Handle cp_trait instead of enum rid.
(cp_parser_simple_type_specifier): Remove all RID value cases
for built-in traits. Handle type-yielding built-in traits.
2023-12-10 Ken Matsui <kmatsui@gcc.gnu.org>
* constraint.cc (diagnose_trait_expr): Sort built-in traits
alphabetically.
* cp-trait.def: Likewise.
* semantics.cc (trait_expr_value): Likewise.
(finish_trait_expr): Likewise.
(finish_trait_type): Likewise.
2023-12-09 Jakub Jelinek <jakub@redhat.com>
* parser.cc (cp_parser_statement, cp_parser_expression_statement,
cp_parser_declaration, cp_parser_asm_definition): Don't diagnose
ignored attributes if !any_nonignored_attribute_p.
* decl.cc (grokdeclarator): Likewise.
* name-lookup.cc (handle_namespace_attrs, finish_using_directive):
Don't diagnose ignoring of attr_ignored_p attributes.
2023-12-08 Patrick Palka <ppalka@redhat.com>
PR c++/83167
* semantics.cc (capture_decltype): Inline into its only caller ...
(finish_decltype_type): ... here. Update nearby comment to refer
to recent standard. Add FIXME. Restrict uncaptured variable type
transformation to happen only for lambdas with a by-copy
capture-default.
2023-12-08 Jakub Jelinek <jakub@redhat.com>
* parser.cc (cp_parser_std_attribute_spec): Return void_list_node
rather than NULL_TREE if token is neither CPP_OPEN_SQUARE nor
RID_ALIGNAS CPP_KEYWORD.
(cp_parser_std_attribute_spec_seq): For attr_spec == void_list_node
break, for attr_spec == NULL_TREE continue.
2023-12-08 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/112727
* cp-gimplify.cc (cp_fold): If SAVE_EXPR has been previously
folded, unshare_expr what is returned.
2023-12-08 Patrick Palka <ppalka@redhat.com>
PR c++/112658
* parser.cc (cp_parser_expression_statement): If the statement
is error_mark_node, make sure we've seen_error().
2023-12-08 Patrick Palka <ppalka@redhat.com>
PR c++/112658
PR c++/94264
* typeck.cc (cp_build_c_cast): If we're committed to a const_cast
and the result is erroneous, call build_const_cast_1 a second
time to issue errors. Use complain=tf_none instead of =false.
2023-12-06 David Malcolm <dmalcolm@redhat.com>
* cp-tree.h (cxx_print_error_function): Make diagnostic_info param
const.
* error.cc (cxx_print_error_function): Likewise.
(cp_diagnostic_starter): Likewise.
(cp_print_error_function): Likewise.
2023-12-06 Jason Merrill <jason@redhat.com>
DR 532
PR c++/53499
* pt.cc (more_specialized_fn): Fix object parameter handling.
2023-12-05 Jakub Jelinek <jakub@redhat.com>
PR c++/112795
* cp-tree.h (cp_check_pragma_unroll): Declare.
* semantics.cc (cp_check_pragma_unroll): New function.
* parser.cc (cp_parser_pragma_unroll): Use cp_check_pragma_unroll.
* pt.cc (tsubst_expr) <case ANNOTATE_EXPR>: Likewise.
(tsubst_stmt) <case RANGE_FOR_STMT>: Likwsie.
2023-12-05 Richard Sandiford <richard.sandiford@arm.com>
* tree.cc (cxx_gnu_attribute_table): Add extra braces to work
around PR 16333 in older compilers.
2023-12-05 Jakub Jelinek <jakub@redhat.com>
PR c++/110734
* parser.cc (cp_parser_block_declaration): Implement C++ DR 2262
- Attributes for asm-definition. Call cp_parser_asm_definition
even if RID_ASM token is only seen after sequence of standard
attributes.
(cp_parser_asm_definition): Parse standard attributes before
RID_ASM token and warn for them with -Wattributes.
2023-12-05 Marek Polacek <polacek@redhat.com>
PR c++/107687
PR c++/110997
* call.cc (in_immediate_context): No longer static.
* constexpr.cc (cxx_eval_call_expression): Adjust assert.
* cp-gimplify.cc (deferred_escalating_exprs): New vec.
(remember_escalating_expr): New.
(enum fold_flags): Remove ff_fold_immediate.
(immediate_escalating_function_p): New.
(unchecked_immediate_escalating_function_p): New.
(promote_function_to_consteval): New.
(cp_fold_immediate): Move above. Return non-null if any errors were
emitted.
(maybe_explain_promoted_consteval): New.
(cp_gimplify_expr) <case CALL_EXPR>: Assert we've handled all
immediate invocations.
(taking_address_of_imm_fn_error): New.
(cp_fold_immediate_r): Merge ADDR_EXPR and PTRMEM_CST cases. Implement
P2564 - promoting functions to consteval.
<case CALL_EXPR>: Implement P2564 - promoting functions to consteval.
(cp_fold_r): If an expression turns into a CALL_EXPR after cp_fold,
call cp_fold_immediate_r on the CALL_EXPR.
(cp_fold_function): Set DECL_ESCALATION_CHECKED_P if
deferred_escalating_exprs does not contain current_function_decl.
(process_and_check_pending_immediate_escalating_fns): New.
* cp-tree.h (struct lang_decl_fn): Add escalated_p bit-field.
(DECL_ESCALATION_CHECKED_P): New.
(immediate_invocation_p): Declare.
(process_pending_immediate_escalating_fns): Likewise.
* decl2.cc (c_parse_final_cleanups): Set at_eof to 2 after all
templates have been instantiated; and to 3 at the end of the function.
Call process_pending_immediate_escalating_fns.
* error.cc (dump_template_bindings): Check at_eof against an updated
value.
* module.cc (trees_out::lang_decl_bools): Stream escalated_p.
(trees_in::lang_decl_bools): Likewise.
* pt.cc (push_tinst_level_loc): Set at_eof to 3, not 2.
* typeck.cc (cp_build_addr_expr_1): Don't check
DECL_IMMEDIATE_FUNCTION_P.
2023-12-04 Jason Merrill <jason@redhat.com>
* constexpr.cc (potential_constant_expression_1): Fix
check for loading volatile lvalue.
2023-12-04 Jakub Jelinek <jakub@redhat.com>
PR c++/112795
* cp-tree.h (cp_convert_range_for): Change UNROLL type from
unsigned short to tree.
(finish_while_stmt_cond, finish_do_stmt, finish_for_cond): Likewise.
* parser.cc (cp_parser_statement): Pass NULL_TREE rather than 0 to
cp_parser_iteration_statement UNROLL argument.
(cp_parser_for, cp_parser_c_for): Change UNROLL type from
unsigned short to tree.
(cp_parser_range_for): Likewise. Set RANGE_FOR_UNROLL to just UNROLL
rather than build_int_cst from it.
(cp_convert_range_for, cp_parser_iteration_statement): Change UNROLL
type from unsigned short to tree.
(cp_parser_omp_loop_nest): Pass NULL_TREE rather than 0 to
cp_parser_range_for UNROLL argument.
(cp_parser_pragma_unroll): Return tree rather than unsigned short.
If parsed expression is type dependent, just return it, don't diagnose
issues with value if it is value dependent.
(cp_parser_pragma): Change UNROLL type from unsigned short to tree.
* semantics.cc (finish_while_stmt_cond): Change UNROLL type from
unsigned short to tree. Build ANNOTATE_EXPR with UNROLL as its last
operand rather than build_int_cst from it.
(finish_do_stmt, finish_for_cond): Likewise.
* pt.cc (tsubst_stmt) <case RANGE_FOR_STMT>: Change UNROLL type from
unsigned short to tree and set it to RECUR on RANGE_FOR_UNROLL (t).
(tsubst_expr) <case ANNOTATE_EXPR>: For annot_expr_unroll_kind repeat
checks on UNROLL value from cp_parser_pragma_unroll.
2023-12-02 Richard Sandiford <richard.sandiford@arm.com>
* cp-tree.h (cxx_attribute_table): Delete.
(cxx_gnu_attribute_table, std_attribute_table): Declare.
* cp-objcp-common.h (LANG_HOOKS_COMMON_ATTRIBUTE_TABLE): Delete.
(LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE): Delete.
(cp_objcp_attribute_table): New table.
(LANG_HOOKS_ATTRIBUTE_TABLE): Redefine.
* tree.cc (cxx_attribute_table): Replace with...
(cxx_gnu_attributes, cxx_gnu_attribute_table): ...these globals.
(std_attribute_table): Change type to scoped_attribute_specs, using...
(std_attributes): ...this as the underlying array.
(init_tree): Remove call to register_scoped_attributes.
2023-12-01 Jason Merrill <jason@redhat.com>
* mangle.cc (write_type): Mangle placeholder as its template.
2023-12-01 Jason Merrill <jason@redhat.com>
* cp-tree.h (TEMPLATE_ARGS_TYPE_CONSTRAINT_P): New.
(get_concept_check_template): Declare.
* constraint.cc (combine_constraint_expressions)
(finish_shorthand_constraint): Use UNKNOWN_LOCATION.
* pt.cc (convert_generic_types_to_packs): Likewise.
* mangle.cc (write_constraint_expression)
(write_tparms_constraints, write_type_constraint)
(template_parm_natural_p, write_requirement)
(write_requires_expr): New.
(write_encoding): Mangle trailing requires-clause.
(write_name): Pass parms to write_template_args.
(write_template_param_decl): Factor out from...
(write_closure_template_head): ...here.
(write_template_args): Mangle non-natural parms
and requires-clause.
(write_expression): Handle REQUIRES_EXPR.
2023-12-01 Jason Merrill <jason@redhat.com>
* semantics.cc (finish_non_static_data_member)
(finish_decltype_type, capture_decltype):
Handle deduced closure parameter.
2023-11-30 Marek Polacek <polacek@redhat.com>
PR c++/112744
* typeck.cc (finish_class_member_access_expr): When accessing
a static data member, use ba_any for lookup_base.
2023-11-30 Jakub Jelinek <jakub@redhat.com>
PR c++/110349
* cp-tree.h: Implement C++26 P2169R4 - Placeholder variables with no
name.
(OVL_NAME_INDEPENDENT_DECL_P): Define.
(add_capture): Add unsigned * argument.
(name_independent_decl_p): New inline function.
* name-lookup.cc (class name_lookup): Make ambiguous and
add_value members public.
(name_independent_linear_search): New function.
(get_class_binding_direct): Handle member_vec_binary_search
returning OVL_NAME_INDEPENDENT_DECL_P OVERLOAD. Use
name_independent_linear_search rather than fields_linear_search
for linear lookup of _ name if !want_type.
(member_name_cmp): Sort name-independent declarations first.
(member_vec_dedup): Handle name-independent declarations.
(pop_local_binding): Handle binding->value being a TREE_LIST for
ambiguous name-independent declarations.
(supplement_binding): Handle name-independent declarations.
(update_binding): Likewise.
(check_local_shadow): Return tree rather than void, normally
NULL_TREE but old for name-independent declarations which used
to conflict with outer scope declaration. Don't emit -Wshadow*
warnings for name-independent declarations.
(pushdecl): Handle name-independent declarations.
* search.cc (lookup_field_r): Handle nval being a TREE_LIST.
* lambda.cc (build_capture_proxy): Adjust for ___.<number>
names of members.
(add_capture): Add NAME_INDEPENDENT_CNT argument. Use ___.<number>
name rather than ___ for second and following capture with
_ name.
(add_default_capture): Adjust add_capture caller.
* decl.cc (poplevel): Don't warn about name-independent declarations.
(duplicate_decls): If in C++26 a _ named declaration conflicts with
earlier declarations, emit explaining note why the new declaration
is not name-independent.
(reshape_init_class): If field is a TREE_LIST, emit an ambiguity
error with list of candidates rather than error about non-existing
non-static data member.
* parser.cc (cp_parser_lambda_introducer): Adjust add_capture callers.
Allow name-independent capture redeclarations.
(cp_parser_decomposition_declaration): Set decl_specs.storage_class
to sc_static for static structured bindings.
* pt.cc (tsubst_lambda_expr): Adjust add_capture caller.
2023-11-30 Alexandre Oliva <oliva@adacore.com>
* decl.cc (finish_enum_value_list): Set TYPE_PACKED if
use_short_enum, and propagate it to variants.
2023-11-30 Jason Merrill <jason@redhat.com>
* cp-tree.h (LAMBDA_EXPR_MUTABLE_P): Remove.
* cp-tree.def: Remove documentation.
* lambda.cc (build_lambda_expr): Remove reference.
* parser.cc (cp_parser_lambda_declarator_opt): Likewise.
* pt.cc (tsubst_lambda_expr): Likewise.
* ptree.cc (cxx_print_lambda_node): Likewise.
* semantics.cc (capture_decltype): Get the object quals
from the object instead.
2023-11-29 Marek Polacek <polacek@redhat.com>
PR c++/106650
* constexpr.cc (cxx_eval_constant_expression) <case PARM_DECL>: Allow
reference to unknown/this as per P2280.
<case VAR_DECL>: Allow reference to unknown as per P2280.
2023-11-29 Patrick Palka <ppalka@redhat.com>
PR c++/112765
* pt.cc (tsubst_expr) <case MODOP_EXPR>: Look through implicit
INDIRECT_REF when propagating -Wparentheses warning suppression.
* semantics.cc (maybe_warn_unparenthesized_assignment): Replace
REFERENCE_REF_P handling with STRIP_REFERENCE_REF.
(finish_parenthesized_expr): Likewise.
2023-11-29 Jakub Jelinek <jakub@redhat.com>
* semantics.cc (finish_static_assert): Free buf on error return.
2023-11-29 Alexandre Oliva <oliva@adacore.com>
* decl.cc (maybe_prepare_return_this): Split out of...
(maybe_return_this): ... this.
* cp-tree.h (maybe_prepare_return_this): Declare.
* class.cc (build_clone): Call it.
2023-11-29 Alexandre Oliva <oliva@adacore.com>
* contracts.cc (check_postcondition_result): Cope with
cdtor_return_this.
2023-11-28 Jason Merrill <jason@redhat.com>
PR c++/94264
PR c++/53220
* call.cc (convert_like_internal): Remove obsolete comment.
* typeck.cc (decay_conversion): Allow array prvalue.
(maybe_warn_about_returning_address_of_local): Check
for returning pointer to temporary.
2023-11-28 Jakub Jelinek <jakub@redhat.com>
* cp-objcp-common.cc (cp_feature_table): Evaluate
__has_extension (cxx_init_captures) to 1 even for -std=c++11.
2023-11-27 Alex Coplan <alex.coplan@arm.com>
Iain Sandoe <iain@sandoe.co.uk>
PR c++/60512
* cp-lang.cc (c_family_register_lang_features): New.
* cp-objcp-common.cc (struct cp_feature_selector): New.
(cp_feature_selector::has_feature): New.
(struct cp_feature_info): New.
(cp_register_features): New.
* cp-objcp-common.h (cp_register_features): New.
2023-11-25 Nathaniel Shead <nathanieloshead@gmail.com>
* name-lookup.cc (check_can_export_using_decl): New.
(do_nonmember_using_decl): Use above to check if names can be
exported.
2023-11-25 Nathaniel Shead <nathanieloshead@gmail.com>
PR c++/102341
* decl.cc (duplicate_decls): Allow exporting a redeclaration of
a typedef.
2023-11-24 Tobias Burnus <tobias@codesourcery.com>
* parser.cc (cp_parser_omp_clause_dist_schedule,
cp_parser_omp_scan_loop_body, cp_parser_omp_assumption_clauses,
cp_parser_omp_depobj): Add OPT_Wopenmp to warning_at.
* semantics.cc (finish_omp_clauses): Likewise.
2023-11-24 Tobias Burnus <tobias@codesourcery.com>
* parser.cc (cp_parser_omp_depobj): Accept optionally an argument
to the destroy clause.
2023-11-24 Nathaniel Shead <nathanieloshead@gmail.com>
PR c++/99232
* decl.cc (grokvardecl): Don't mark variables attached to
modules as internal.
2023-11-24 Nathaniel Shead <nathanieloshead@gmail.com>
PR c++/107398
* module.cc (trees_out::get_merge_kind): Handle lambdas in class
scope.
(maybe_key_decl): Remove assertion and fix whitespace.
2023-11-24 Nathaniel Shead <nathanieloshead@gmail.com>
PR c++/98885
* decl.cc (duplicate_decls): Adjust error message.
(xref_tag): Adjust error message. Check exporting decl that is
already declared as non-exporting.
2023-11-23 Jakub Jelinek <jakub@redhat.com>
PR c++/110348
* parser.cc: Implement C++26 P2741R3 - user-generated static_assert
messages.
(cp_parser_static_assert): Parse message argument as
conditional-expression if it is not a pure string literal or
several of them concatenated followed by closing paren.
* semantics.cc (finish_static_assert): Handle message which is not
STRING_CST. For condition with bare parameter packs return early.
* pt.cc (tsubst_expr) <case STATIC_ASSERT>: Also tsubst_expr
message and make sure that if it wasn't originally STRING_CST, it
isn't after tsubst_expr either.
2023-11-22 Patrick Palka <ppalka@redhat.com>
PR c++/112633
* pt.cc (tsubst_aggr_type): Handle empty TYPE_TEMPLATE_INFO
in the entering_scope adjustment.
2023-11-22 Jason Merrill <jason@redhat.com>
* decl.cc (start_preparsed_function): Clarify ctype logic.
2023-11-20 Marc Poulhiès <dkm@kataplop.net>
* lambda.cc (compare_lambda_sig): Fix typo in variadic.
2023-11-20 Jason Merrill <jason@redhat.com>
* pt.cc (comp_template_parms): Just one level.
(template_parameter_lists_equivalent_p): Likewise.
2023-11-20 Jason Merrill <jason@redhat.com>
* cp-tree.h (DECL_TEMPLATE_PARM_CHECK): New.
(DECL_IMPLICIT_TEMPLATE_PARM_P): New.
(decl_template_parm_check): New.
* mangle.cc (write_closure_template_head): Use it.
* parser.cc (synthesize_implicit_template_parm): Likewise.
* pt.cc (template_parameters_equivalent_p): Likewise.
2023-11-19 Nathaniel Shead <nathanieloshead@gmail.com>
PR c++/99187
* cp-tree.h (enum cp_tree_index): Add CPTI_THREAD_ATEXIT.
(thread_atexit_node): New.
* decl.cc (get_thread_atexit_node): Cache in thread_atexit_node.
2023-11-19 David Malcolm <dmalcolm@redhat.com>
* mapper-client.cc: Include "rich-location.h".
2023-11-16 Jakub Jelinek <jakub@redhat.com>
PR c++/112365
* class.cc (layout_class_type): Don't
SET_DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD on FIELD_DECLs with
error_mark_node type.
2023-11-16 Patrick Palka <ppalka@redhat.com>
PR c++/111703
PR c++/107939
* constexpr.cc (potential_constant_expression_1) <case CALL_EXPR>:
Fix FUNCTION_POINTER_TYPE_P test.
2023-11-16 Marek Polacek <polacek@redhat.com>
PR c++/112410
* parser.cc (cp_parser_direct_declarator): Maybe call
abort_fully_implicit_template if it turned out the parameter list was
ill-formed.
2023-11-15 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
* tree.cc (build_cplus_array_type): Revert using the macro
CAN_HAVE_LOCATION_P.
2023-11-15 Patrick Palka <ppalka@redhat.com>
PR c++/112515
* decl.cc (is_direct_enum_init): Check type-dependence of the
single element.
2023-11-15 Patrick Palka <ppalka@redhat.com>
PR c++/101043
* tree.cc (strip_typedefs_expr) <case TREE_LIST>: Handle
non-empty TREE_PURPOSE.
2023-11-15 Patrick Palka <ppalka@redhat.com>
PR c++/112427
* tree.cc (build_min_non_dep): Propagate TREE_SIDE_EFFECTS from
the original arguments.
(build_min_non_dep_call_vec): Likewise.
* typeck2.cc (build_m_component_ref): Use cp_convert, build2 and
cp_fully_fold instead of fold_build_pointer_plus and fold_convert.
Don't build the POINTER_PLUS_EXPR in a template context.
2023-11-15 Patrick Palka <ppalka@redhat.com>
PR c++/111703
PR c++/112269
* constexpr.cc (potential_constant_expression_1) <case VAR_DECL>:
Only consider var_in_maybe_constexpr_fn if 'now' is false.
<case INDIRECT_REF>: Likewise.
2023-11-15 Jakub Jelinek <jakub@redhat.com>
* typeck.cc: Implement C++26 P2864R2 - Remove Deprecated Arithmetic
Conversion on Enumerations From C++26.
(do_warn_enum_conversions): Return bool rather than void, add COMPLAIN
argument. Use pedwarn rather than warning_at for C++26 and remove
" is deprecated" part of the diagnostics in that case. For SFINAE
in C++26 return true on newly erroneous cases.
(cp_build_binary_op): For C++26 call do_warn_enum_conversions
unconditionally, pass complain argument to it and if it returns true,
return error_mark_node.
* call.cc (build_conditional_expr): Use pedwarn rather than warning_at
for C++26 and remove " is deprecated" part of the diagnostics in that
case and check for complain & tf_warning_or_error. Use emit_diagnostic
with cxx_dialect >= cxx26 ? DK_PEDWARN : DK_WARNING. For SFINAE in
C++26 return error_mark_node on newly erroneous cases.
(build_new_op): Use emit_diagnostic with cxx_dialect >= cxx26
? DK_PEDWARN : DK_WARNING and complain & tf_warning_or_error check
for C++26. For SFINAE in C++26 return error_mark_node on newly
erroneous cases.
2023-11-14 Nathaniel Shead <nathanieloshead@gmail.com>
PR c++/103499
* module.cc (trees_out::decl_node): Write DECL_VINDEX for
virtual clones.
(trees_in::tree_node): Read DECL_VINDEX for virtual clones.
2023-11-14 Nathaniel Shead <nathanieloshead@gmail.com>
PR c++/106849
* name-lookup.cc (do_nonmember_using_decl): Handle
TEMPLATE_DECLs when checking module attachment.
2023-11-14 David Malcolm <dmalcolm@redhat.com>
* decl.cc (finish_function): Update call to
global_dc->m_option_enabled to use option_enabled_p.
2023-11-14 David Malcolm <dmalcolm@redhat.com>
* contracts.cc (build_comment): Use global_dc's file_cache.
2023-11-14 Jonathan Wakely <jwakely@redhat.com>
PR c++/111842
PR c++/112498
* call.cc (convert_like_internal): Use OPT_Wnarrowing for
pedwarns about illformed conversions involving extended
floating-point types. Clarify that ISO C++ requires these
diagnostics.
2023-11-14 Jakub Jelinek <jakub@redhat.com>
PR c/111309
* call.cc (magic_varargs_p): Return 4 for
BUILT_IN_{CLZ,CTZ,CLRSB,FFS,PARITY,POPCOUNT}G.
(build_over_call): Don't promote first argument of
BUILT_IN_{CLZ,CTZ,CLRSB,FFS,PARITY,POPCOUNT}G.
* cp-gimplify.cc (cp_gimplify_expr): For BUILT_IN_C{L,T}ZG use
c_gimplify_expr.
2023-11-10 Patrick Palka <ppalka@redhat.com>
PR c++/79620
* cp-tree.h (STRIP_REFERENCE_REF): Define.
* semantics.cc (outer_var_p): Assert REFERENCE_REF_P is false.
(finish_decltype_type): Look through implicit INDIRECT_REF when
deciding whether to call capture_decltype.
2023-11-10 Patrick Palka <ppalka@redhat.com>
PR c++/79378
PR c++/96917
* semantics.cc (finish_decltype_type): Handle an id-expression
naming a capture proxy specially.
2023-11-07 Kwok Cheung Yeung <kcy@codesourcery.com>
* cp-tree.h (cp_omp_declare_target_attr): Add indirect field.
* decl2.cc (cplus_decl_attributes): Add attribute for indirect
functions.
* parser.cc (cp_parser_omp_clause_name): Handle indirect clause.
(cp_parser_omp_clause_indirect): New.
(cp_parser_omp_all_clauses): Handle indirect clause.
(handle_omp_declare_target_clause): Add extra parameter. Add
indirect attribute for indirect functions.
(OMP_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask.
(cp_parser_omp_declare_target): Handle indirect clause. Emit error
message if device_type or indirect clauses used alone. Emit error
if indirect clause used with device_type that is not 'any'.
(OMP_BEGIN_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask.
(cp_parser_omp_begin): Handle indirect clause.
* semantics.cc (finish_omp_clauses): Handle indirect clause.
2023-11-04 Jakub Jelinek <jakub@redhat.com>
* parser.h (struct cp_parser): Adjust comment on omp_attrs_forbidden_p
member.
* parser.cc (cp_parser_omp_section_scan): Allow __directive__ spelling.
2023-11-04 David Malcolm <dmalcolm@redhat.com>
* call.cc: Update for changes to diagnostic_context.
* class.cc: Likewise.
* decl.cc: Likewise.
* error.cc: Likewise.
* except.cc: Likewise.
* pt.cc: Likewise.
2023-11-02 Jason Merrill <jason@redhat.com>
* semantics.cc (nrv_data): Change visited to hash_set.
(finalize_nrv_r): Reorganize.
2023-11-02 Jason Merrill <jason@redhat.com>
PR c++/112301
PR c++/102191
PR c++/33799
* except.cc (maybe_splice_retval_cleanup): Clear
current_retval_sentinel when destroying retval.
* semantics.cc (nrv_data): Add in_nrv_cleanup.
(finalize_nrv): Set it.
(finalize_nrv_r): Fix handling of throwing cleanups.
2023-11-02 Jakub Jelinek <jakub@redhat.com>
PR c++/110342
* parser.cc: Implement C++26 P2361R6 - Unevaluated strings.
(uneval_string_attr): New enumerator.
(cp_parser_string_literal_common): Add UNEVAL argument. If true,
pass CPP_UNEVAL_STRING rather than CPP_STRING to
cpp_interpret_string_notranslate.
(cp_parser_string_literal, cp_parser_userdef_string_literal): Adjust
callers of cp_parser_string_literal_common.
(cp_parser_unevaluated_string_literal): New function.
(cp_parser_parenthesized_expression_list): Handle uneval_string_attr.
(cp_parser_linkage_specification): Use
cp_parser_unevaluated_string_literal for C++26.
(cp_parser_static_assert): Likewise.
(cp_parser_std_attribute): Use uneval_string_attr for standard
deprecated and nodiscard attributes.
2023-10-31 David Malcolm <dmalcolm@redhat.com>
* module.cc (ordinary_loc_of): Update for removal of
MACRO_MAP_EXPANSION_POINT_LOCATION.
(module_state::note_location): Update for renaming of field.
(module_state::write_macro_maps): Likewise.
2023-10-27 Patrick Palka <ppalka@redhat.com>
PR c++/111929
* init.cc (build_new_1): Remove unnecessary call to convert
on 'nelts'. Use build2 instead of fold_build2 for
'outer_nelts_checks'.
2023-10-27 Patrick Palka <ppalka@redhat.com>
* cp-tree.h (maybe_warn_unparenthesized_assignment): Declare.
* semantics.cc (is_assignment_op_expr_p): Generalize to return
true for any assignment operator expression, not just one that
has been resolved to an operator overload.
(maybe_warn_unparenthesized_assignment): Factored out from ...
(maybe_convert_cond): ... here.
(finish_parenthesized_expr): Mention
maybe_warn_unparenthesized_assignment.
* typeck.cc (convert_for_assignment): Replace -Wparentheses
warning logic with maybe_warn_unparenthesized_assignment.
2023-10-27 Lewis Hyatt <lhyatt@gmail.com>
PR preprocessor/87299
* parser.cc (cp_lexer_new_main): Call c_reset_target_pragmas ()
after preprocessing is complete, before starting compilation.
2023-10-26 liuhongt <hongtao.liu@intel.com>
* typeck.cc (build_vec_cmp): Pass type of arg0 to
truth_type_for.
2023-10-25 Jason Merrill <jason@redhat.com>
* cp-tree.def: Improve OFFSET_REF comment.
* cp-gimplify.cc (cp_fold_immediate): Add to comment.
2023-10-25 Thomas Schwinge <thomas@codesourcery.com>
* parser.cc (cp_parser_omp_clause_name): Return
'PRAGMA_OACC_CLAUSE_SELF' for "self".
(cp_parser_oacc_data_clause, OACC_UPDATE_CLAUSE_MASK): Adjust.
(cp_parser_oacc_all_clauses): Remove 'bool compute_p' formal
parameter, and instead locally determine whether we're called for
an OpenACC compute construct or OpenACC 'update' directive.
(cp_parser_oacc_compute): Adjust.
2023-10-25 Chung-Lin Tang <cltang@codesourcery.com>
* parser.cc (cp_parser_oacc_compute_clause_self): New function.
(cp_parser_oacc_all_clauses): Add new 'bool compute_p = false'
parameter, add parsing of self clause when compute_p is true.
(OACC_KERNELS_CLAUSE_MASK): Add PRAGMA_OACC_CLAUSE_SELF.
(OACC_PARALLEL_CLAUSE_MASK): Likewise,
(OACC_SERIAL_CLAUSE_MASK): Likewise.
(cp_parser_oacc_compute): Adjust call to c_parser_oacc_all_clauses to
set compute_p argument to true.
* pt.cc (tsubst_omp_clauses): Add OMP_CLAUSE_SELF case.
* semantics.cc (c_finish_omp_clauses): Add OMP_CLAUSE_SELF case, merged
with OMP_CLAUSE_IF case.
2023-10-25 Marek Polacek <polacek@redhat.com>
PR c++/111895
* typeck.cc (build_static_cast_1): Call decay_conversion.
2023-10-24 Patrick Palka <ppalka@redhat.com>
PR c++/111929
* init.cc (build_new_1): Use convert, build2, build3 and
cp_fully_fold instead of fold_convert, size_binop and
fold_build3 when building up 'size'.
2023-10-24 Patrick Palka <ppalka@redhat.com>
PR c++/111919
* tree.cc (cp_stabilize_reference): Do nothing when
processing_template_decl.
2023-10-22 Patrick Palka <ppalka@redhat.com>
PR objc++/111920
* pt.cc (tsubst_expr) <case AT_ENCODE_EXPR>: Use tsubst instead
of tsubst_expr.
2023-10-20 Jason Merrill <jason@redhat.com>
* call.cc (implicit_conversion_1): Rename...
(implicit_conversion): ...to this. Remove the old wrapper.
2023-10-20 Jason Merrill <jason@redhat.com>
* call.cc (tourney): Only skip champ_compared_to_predecessor.
2023-10-20 Nathan Sidwell <nathan@acm.org>
PR c++/105322
* module.cc (trees_out::core_vals): Stream CONSTRUCTOR operands
after the type.
(trees_in::core_vals): Likewise.
2023-10-20 Patrick Palka <ppalka@redhat.com>
* cp-lang.cc (objcp_tsubst_copy_and_build): Rename to ...
(objcp_tsubst_expr): ... this.
* cp-objcp-common.h (objcp_tsubst_copy_and_build): Rename to ...
(objcp_tsubst_expr): ... this.
* cp-tree.h (tsubst_copy_and_build): Remove declaration.
* init.cc (maybe_instantiate_nsdmi_init): Use tsubst_expr
instead of tsubst_copy_and_build.
* pt.cc (expand_integer_pack): Likewise.
(instantiate_non_dependent_expr_internal): Likewise.
(instantiate_class_template): Use tsubst_stmt instead of
tsubst_expr for STATIC_ASSERT.
(tsubst_function_decl): Adjust tsubst_copy_and_build uses.
(tsubst_arg_types): Likewise.
(tsubst_exception_specification): Likewise.
(tsubst_tree_list): Likewise.
(tsubst): Likewise.
(tsubst_name): Likewise.
(tsubst_omp_clause_decl): Use tsubst_stmt instead of tsubst_expr.
(tsubst_omp_clauses): Likewise.
(tsubst_copy_asm_operands): Adjust tsubst_copy_and_build use.
(tsubst_omp_for_iterator): Use tsubst_stmt instead of tsubst_expr.
(tsubst_expr): Rename to ...
(tsubst_stmt): ... this.
<case CO_YIELD_EXPR, CO_AWAIT_EXPR>: Move to tsubst_expr.
(tsubst_omp_udr): Use tsubst_stmt instead of tsubst_expr.
(tsubst_non_call_postfix_expression): Adjust tsubst_copy_and_build
use.
(tsubst_lambda_expr): Likewise. Use tsubst_stmt instead of
tsubst_expr for the body of a lambda.
(tsubst_copy_and_build_call_args): Rename to ...
(tsubst_call_args): ... this. Adjust tsubst_copy_and_build use.
(tsubst_copy_and_build): Rename to tsubst_expr. Adjust
tsubst_copy_and_build and tsubst_copy_and_build_call_args use.
<case TRANSACTION_EXPR>: Use tsubst_stmt instead of tsubst_expr.
(maybe_instantiate_noexcept): Adjust tsubst_copy_and_build use.
(instantiate_body): Use tsubst_stmt instead of tsubst_expr for
substituting the function body.
(tsubst_initializer_list): Adjust tsubst_copy_and_build use.
2023-10-20 Patrick Palka <ppalka@redhat.com>
* cp-tree.h (enum tsubst_flags): Add tf_no_name_lookup.
* pt.cc (tsubst_pack_expansion): Use tsubst for substituting
BASES_TYPE.
(tsubst_decl) <case USING_DECL>: Use tsubst_name instead of
tsubst_copy.
(tsubst) <case TEMPLATE_TYPE_PARM>: Use tsubst_copy_and_build
instead of tsubst_copy for substituting
CLASS_PLACEHOLDER_TEMPLATE.
<case TYPENAME_TYPE>: Use tsubst_name instead of tsubst_copy for
substituting TYPENAME_TYPE_FULLNAME.
(tsubst_name): Define.
(tsubst_qualified_id): Use tsubst_name instead of tsubst_copy
for substituting the component name of a SCOPE_REF.
(tsubst_copy): Remove.
(tsubst_copy_and_build): Clear tf_no_name_lookup at the start,
and remember if it was set. Call maybe_dependent_member_ref if
tf_no_name_lookup was not set.
<case IDENTIFIER_NODE>: Don't do name lookup if tf_no_name_lookup
was set.
<case TEMPLATE_ID_EXPR>: If tf_no_name_lookup was set, use
tsubst_name instead of tsubst_copy_and_build to substitute the
template and don't finish the template-id.
<case BIT_NOT_EXPR>: Handle identifier and type operand (if
tf_no_name_lookup was set).
<case SCOPE_REF>: Avoid trying to resolve a SCOPE_REF if
tf_no_name_lookup was set by calling build_qualified_name directly
instead of tsubst_qualified_id.
<case SIZEOF_EXPR>: Handling of sizeof... copied from tsubst_copy.
<case CALL_EXPR>: Use tsubst_name instead of tsubst_copy to
substitute a TEMPLATE_ID_EXPR callee naming an unresolved template.
<case COMPONENT_REF>: Likewise to substitute the member.
<case FUNCTION_DECL>: Copied from tsubst_copy and merged with ...
<case VAR_DECL, PARM_DECL>: ... these. Initial handling copied
from tsubst_copy. Optimize local variable substitution by
trying retrieve_local_specialization before checking
uses_template_parms.
<case CONST_DECL>: Copied from tsubst_copy.
<case FIELD_DECL>: Likewise.
<case NAMESPACE_DECL>: Likewise.
<case OVERLOAD>: Likewise.
<case TEMPLATE_DECL>: Likewise.
<case TEMPLATE_PARM_INDEX>: Likewise.
<case TYPE_DECL>: Likewise.
<case CLEANUP_POINT_EXPR>: Likewise.
<case OFFSET_REF>: Likewise.
<case EXPR_PACK_EXPANSION>: Likewise.
<case NONTYPE_ARGUMENT_PACK>: Likewise.
<case *_CST>: Likewise.
<case *_*_FOLD_EXPR>: Likewise.
<case DEBUG_BEGIN_STMT>: Likewise.
<case CO_AWAIT_EXPR>: Likewise.
<case TRAIT_EXPR>: Use tsubst and tsubst_copy_and_build instead
of tsubst_copy.
<default>: Copied from tsubst_copy.
(tsubst_initializer_list): Use tsubst and tsubst_copy_and_build
instead of tsubst_copy.
2023-10-20 Patrick Palka <ppalka@redhat.com>
PR c++/106086
* parser.cc (cp_parser_postfix_expression): Consolidate three
calls to finish_call_expr, one to build_new_method_call and
one to build_min_nt_call_vec into one call to finish_call_expr.
Don't call maybe_generic_this_capture here.
* pt.cc (tsubst_copy_and_build) <case CALL_EXPR>: Remove
COMPONENT_REF callee handling.
(type_dependent_expression_p): Use t_d_object_e_p instead of
t_d_e_p for COMPONENT_REF and OFFSET_REF.
* semantics.cc (finish_call_expr): In the type-dependent case,
call maybe_generic_this_capture here instead.
2023-10-20 Patrick Palka <ppalka@redhat.com>
* call.cc (build_new_method_call): Remove calls to
build_non_dependent_expr and/or make_args_non_dependent.
* coroutines.cc (finish_co_return_stmt): Likewise.
* cp-tree.h (build_non_dependent_expr): Remove.
(make_args_non_dependent): Remove.
* decl2.cc (grok_array_decl): Remove calls to
build_non_dependent_expr and/or make_args_non_dependent.
(build_offset_ref_call_from_tree): Likewise.
* init.cc (build_new): Likewise.
* pt.cc (make_args_non_dependent): Remove.
(test_build_non_dependent_expr): Remove.
(cp_pt_cc_tests): Adjust.
* semantics.cc (finish_expr_stmt): Remove calls to
build_non_dependent_expr and/or make_args_non_dependent.
(finish_for_expr): Likewise.
(finish_call_expr): Likewise.
(finish_omp_atomic): Likewise.
* typeck.cc (finish_class_member_access_expr): Likewise.
(build_x_indirect_ref): Likewise.
(build_x_binary_op): Likewise.
(build_x_array_ref): Likewise.
(build_x_vec_perm_expr): Likewise.
(build_x_shufflevector): Likewise.
(build_x_unary_op): Likewise.
(cp_build_addressof): Likewise.
(build_x_conditional_expr): Likewise.
(build_x_compound_expr): Likewise.
(build_static_cast): Likewise.
(build_x_modify_expr): Likewise.
(check_return_expr): Likewise.
* typeck2.cc (build_x_arrow): Likewise.
2023-10-20 Patrick Palka <ppalka@redhat.com>
* class.cc (instantiate_type): Remove NON_DEPENDENT_EXPR
handling.
* constexpr.cc (cxx_eval_constant_expression): Likewise.
(potential_constant_expression_1): Likewise.
* coroutines.cc (coro_validate_builtin_call): Don't
expect ALIGNOF_EXPR to be wrapped in NON_DEPENDENT_EXPR.
* cp-objcp-common.cc (cp_common_init_ts): Remove
NON_DEPENDENT_EXPR handling.
* cp-tree.def (NON_DEPENDENT_EXPR): Remove.
* cp-tree.h (build_non_dependent_expr): Temporarily redefine as
the identity function.
* cvt.cc (maybe_warn_nodiscard): Handle type-dependent and
variable callee of CALL_EXPR.
* cxx-pretty-print.cc (cxx_pretty_printer::expression): Remove
NON_DEPENDENT_EXPR handling.
* error.cc (dump_decl): Likewise.
(dump_expr): Likewise.
* expr.cc (mark_use): Likewise.
(mark_exp_read): Likewise.
* pt.cc (build_non_dependent_expr): Remove.
* tree.cc (lvalue_kind): Remove NON_DEPENDENT_EXPR handling.
(cp_stabilize_reference): Likewise.
* typeck.cc (warn_for_null_address): Likewise.
(cp_build_binary_op): Handle type-dependent SIZEOF_EXPR operands.
(cp_build_unary_op) <case TRUTH_NOT_EXPR>: Don't fold inside a
template.
2023-10-20 Alexandre Oliva <oliva@adacore.com>
* decl.cc (push_throw_library_fn): Mark with ECF_XTHROW.
* except.cc (build_throw): Likewise __cxa_throw,
_ITM_cxa_throw, __cxa_rethrow.
2023-10-20 Nathaniel Shead <nathanieloshead@gmail.com>
PR c++/101631
PR c++/102286
* call.cc (build_over_call): Fold more indirect refs for trivial
assignment op.
* class.cc (type_has_non_deleted_trivial_default_ctor): Create.
* constexpr.cc (cxx_eval_call_expression): Start lifetime of
union member before entering constructor.
(cxx_eval_component_reference): Check against first member of
value-initialised union.
(cxx_eval_store_expression): Activate member for
value-initialised union. Check for accessing inactive union
member indirectly.
* cp-tree.h (type_has_non_deleted_trivial_default_ctor):
Forward declare.
2023-10-20 Nathaniel Shead <nathanieloshead@gmail.com>
* constexpr.cc (is_std_source_location_current): New.
(cxx_eval_constant_expression): Only ignore cast from void* for
specific cases and improve other diagnostics.
2023-10-19 Marek Polacek <polacek@redhat.com>
* cp-gimplify.cc (cp_fold_r): Don't call maybe_constant_value.
2023-10-19 Jason Merrill <jason@redhat.com>
* typeck2.cc (check_narrowing): Adjust.
2023-10-19 Jason Merrill <jason@redhat.com>
* parser.cc (cp_parser_primary_expression): Use G_.
(cp_parser_using_enum): Likewise.
* decl.cc (identify_goto): Likewise.
2023-10-18 Jason Merrill <jason@redhat.com>
* typeck2.cc (check_narrowing): Use permerror.
2023-10-17 Marek Polacek <polacek@redhat.com>
PR c++/111840
* parser.cc (cp_parser_simple_declaration): Do cp_parser_error
for FUNCTION_DECLs.
2023-10-17 Marek Polacek <polacek@redhat.com>
PR c++/111660
* cp-gimplify.cc (cp_fold_immediate_r) <case COND_EXPR>: Don't
handle it here.
(cp_fold_r): Handle COND_EXPR here.
2023-10-17 Jason Merrill <jason@redhat.com>
* mangle.cc (abi_check): New.
(write_prefix, write_unqualified_name, write_discriminator)
(write_type, write_member_name, write_expression)
(write_template_arg, write_template_param): Use it.
(start_mangling): Assign from {}.
* cp-tree.h: Update comment.
2023-10-17 Nathaniel Shead <nathanieloshead@gmail.com>
* constexpr.cc (cxx_eval_dynamic_cast_fn): Add missing
auto_diagnostic_group.
(cxx_eval_call_expression): Likewise.
(diag_array_subscript): Likewise.
(outside_lifetime_error): Likewise.
(potential_constant_expression_1): Likewise.
2023-10-16 Jason Merrill <jason@redhat.com>
* parser.cc (cp_parser_fold_expression): Track location range.
* semantics.cc (finish_unary_fold_expr)
(finish_left_unary_fold_expr, finish_right_unary_fold_expr)
(finish_binary_fold_expr): Add location parm.
* constraint.cc (finish_shorthand_constraint): Pass it.
* pt.cc (convert_generic_types_to_packs): Likewise.
* cp-tree.h: Adjust.
2023-10-16 Marek Polacek <polacek@redhat.com>
PR c++/111272
* constexpr.cc (explain_invalid_constexpr_fn): Also check the body of
a constructor in C++14 and up.
2023-10-14 Jakub Jelinek <jakub@redhat.com>
PR c/102989
* module.cc (trees_out::start, trees_in::start): Remove
TREE_INT_CST_OFFSET_NUNITS handling.
2023-10-10 Jason Merrill <jason@redhat.com>
PR c++/109422
* mangle.cc (write_template_param): Also mangle level.
2023-10-08 David Malcolm <dmalcolm@redhat.com>
* module.cc (module_state::read_location): Update for renaming of
get_combined_adhoc_loc.
2023-10-03 David Malcolm <dmalcolm@redhat.com>
* error.cc (print_instantiation_partial_context_line): Call
diagnostic_show_locus.
2023-10-03 David Malcolm <dmalcolm@redhat.com>
* error.cc: Update for "m_" prefixes to text_info fields.
2023-09-30 Eugene Rozenfeld <erozen@microsoft.com>
* Make-lang.in: Make create_fdas_for_cc1plus target not .PHONY
2023-09-28 Richard Sandiford <richard.sandiford@arm.com>
* constexpr.cc (cxx_fold_indirect_ref): Remove unused variables.
2023-09-22 Jason Merrill <jason@redhat.com>
PR c++/111357
* pt.cc (expand_integer_pack): Use IMPLICIT_CONV_EXPR.
2023-09-22 Jason Merrill <jason@redhat.com>
* constexpr.cc (free_constructor): Handle null ce->value.
2023-09-22 Jason Merrill <jason@redhat.com>
PR c++/111529
* parser.cc (cp_parser_lambda_declarator_opt): Don't suggest
-std=c++14 for lambda templates.
* pt.cc (tsubst_expr): Move ANNOTATE_EXPR handling...
(tsubst_copy_and_build): ...here.
2023-09-22 Patrick Palka <ppalka@redhat.com>
PR c++/111493
* decl2.cc (grok_array_decl): Guard diagnostic and backward
compatibility fallback code paths with tf_error.
2023-09-22 Patrick Palka <ppalka@redhat.com>
PR c++/111485
* pt.cc (is_compatible_template_arg): New parameter 'args'.
Add the outer template arguments 'args' to 'new_args'.
(convert_template_argument): Pass 'args' to
is_compatible_template_arg.
2023-09-20 Jakub Jelinek <jakub@redhat.com>
* parser.cc (cp_parser_postfix_expression): Parse
__builtin_classify_type call with typename as argument.
* pt.cc (tsubst_copy_and_build): Handle __builtin_classify_type
with dependent typename as argument.
2023-09-20 Patrick Palka <ppalka@redhat.com>
PR c++/111471
* cxx-pretty-print.cc (cxx_pretty_printer::expression)
<case VAR_DECL>: Handle class NTTP objects by printing
their type and value.
<case VIEW_CONVERT_EXPR>: Strip const VIEW_CONVERT_EXPR
wrappers for class NTTPs.
(pp_cxx_template_argument_list): Don't handle class NTTP
objects here.
2023-09-20 Patrick Palka <ppalka@redhat.com>
* pt.cc (tsubst_function_decl): Don't bother computing 'argvec'
when 'lambda_fntype' is set.
(tsubst_template_decl): Make sure we return a TEMPLATE_DECL
during specialization lookup. In the non-class non-function
template case, use tsubst_decl directly with use_spec_table=false,
update DECL_TI_ARGS and call register_specialization like
tsubst_decl would have done if use_spec_table=true.
2023-09-20 Jakub Jelinek <jakub@redhat.com>
PR c++/111392
* parser.h (struct cp_lexer): Add in_omp_decl_attribute member.
* cp-tree.h (cp_maybe_parse_omp_decl): Declare.
* parser.cc (cp_parser_handle_statement_omp_attributes): Diagnose
omp::decl attribute on statements. Adjust diagnostic wording for
omp::decl.
(cp_parser_omp_directive_args): Add DECL_P argument, set TREE_PUBLIC
to it on the DEFERRED_PARSE tree.
(cp_parser_omp_sequence_args): Adjust caller.
(cp_parser_std_attribute): Handle omp::decl attribute.
(cp_parser_omp_var_list): If parser->lexer->in_omp_decl_attribute
don't expect any arguments, instead create clause or TREE_LIST for
that decl.
(cp_parser_late_parsing_omp_declare_simd): Adjust diagnostic wording
for omp::decl.
(cp_maybe_parse_omp_decl): New function.
(cp_parser_omp_declare_target): If
parser->lexer->in_omp_decl_attribute and first token isn't name or
comma invoke cp_parser_omp_var_list.
* decl2.cc (cplus_decl_attributes): Adjust diagnostic wording for
omp::decl. Handle omp::decl on declarations.
* name-lookup.cc (finish_using_directive): Adjust diagnostic wording
for omp::decl.
2023-09-19 Ben Boeckel <ben.boeckel@kitware.com>
* mapper-client.cc, mapper-client.h (open_module_client): Accept
dependency tracking and track module mapper files as
dependencies.
* module.cc (make_mapper, get_mapper): Pass the dependency
tracking class down.
2023-09-19 Ben Boeckel <ben.boeckel@kitware.com>
* module.cc (do_import): Report imported CMI files as
dependencies.
2023-09-19 Ben Boeckel <ben.boeckel@kitware.com>
* module.cc (preprocessed_module): Pass whether the module is
exported to dependency tracking.
2023-09-19 Javier Martinez <javier.martinez.bugzilla@gmail.com>
* class.cc (propagate_class_warmth_attribute): New function.
(check_bases_and_members): propagate hot and cold attributes
to all FUNCTION_DECL when the record is marked hot or cold.
* cp-tree.h (maybe_propagate_warmth_attributes): New function.
* decl2.cc (maybe_propagate_warmth_attributes): New function.
* method.cc (lazily_declare_fn): propagate hot and cold
attributes to lazily declared functions when the record is
marked hot or cold.
2023-09-19 Patrick Palka <ppalka@redhat.com>
* ptree.cc (cxx_print_type): Remove TYPE_LANG_SPECIFIC
test guarding TYPE_TEMPLATE_INFO.
2023-09-19 Jason Merrill <jason@redhat.com>
DR 2799
* class.cc (add_implicit_default_ctor): Split out...
(add_implicitly_declared_members): ...from here.
Also call it when inheriting a default ctor.
2023-09-19 Marek Polacek <polacek@redhat.com>
* call.cc (build_over_call): Set ADDR_EXPR_DENOTES_CALL_P. Don't handle
immediate_invocation_p here.
* constexpr.cc (cxx_eval_call_expression): Use mce_true for
DECL_IMMEDIATE_FUNCTION_P.
(cxx_eval_conditional_expression): Call cp_fold_immediate.
* cp-gimplify.cc (enum fold_flags): Add ff_fold_immediate.
(maybe_replace_decl): Make static.
(cp_fold_r): Expand immediate invocations.
(cp_fold_immediate_r): New.
(cp_fold_immediate): New.
* cp-tree.h (ADDR_EXPR_DENOTES_CALL_P): Define.
(cp_fold_immediate): Declare.
* tree.cc (bot_replace): Don't handle immediate invocations here.
2023-09-19 Patrick Palka <ppalka@redhat.com>
PR c++/111419
* cvt.cc (convert_to_void) <case INDIRECT_REF>: Only call
complete_type if the type is volatile.
<case VAR_DECL>: Likewise.
2023-09-19 Patrick Palka <ppalka@redhat.com>
PR c++/99631
* semantics.cc (finish_decltype_type): For an NTTP object,
return its type modulo cv-quals.
2023-09-18 Patrick Palka <ppalka@redhat.com>
PR c++/89231
* pt.cc (try_class_unification): Strengthen TI_TEMPLATE equality
test by not calling most_general_template. Only unify the
innermost levels of template arguments.
(unify) <case CLASS_TYPE>: Only unify the innermost levels of
template arguments, and only if the template is primary.
2023-09-18 Patrick Palka <ppalka@redhat.com>
PR c++/63198
PR c++/18474
* semantics.cc (maybe_convert_cond): Look through implicit
INDIRECT_REF when deciding whether to issue a -Wparentheses
warning, and consider templated assignment expressions as well.
(finish_parenthesized_expr): Look through implicit INDIRECT_REF
when suppressing -Wparentheses warning.
* typeck.cc (build_x_modify_expr): Check simple assignments
ahead time too, not just compound assignments. Give the second
operand of MODOP_EXPR a non-null type so that it's not considered
always instantiation-dependent. Don't call suppress_warning.
2023-09-18 Patrick Palka <ppalka@redhat.com>
PR c++/108347
* pt.cc (unify): Return unify_success for identical dependent
DECL_P 'arg' and 'parm'.
<case CONST_DECL>: Remove handling.
2023-09-18 Patrick Palka <ppalka@redhat.com>
* call.cc (add_template_candidate_real): Check arity even
when there are no explicit template arguments. Combine the
two adjacent '!obj' tests into one.
2023-09-18 Patrick Palka <ppalka@redhat.com>
* pt.cc (register_specialization): Remove now-unnecessary
early exit for FUNCTION_DECL partial instantiation.
(tsubst_template_decl): Pass use_spec_table=false to
tsubst_function_decl. Set DECL_TI_ARGS of a non-lambda
FUNCTION_DECL specialization to the full set of arguments.
Simplify register_specialization call accordingly.
2023-09-18 Jason Merrill <jason@redhat.com>
* class.cc (check_subobject_offset): Use similar_type_p.
2023-09-12 Jason Merrill <jason@redhat.com>
PR c++/111357
* pt.cc (expand_integer_pack): Convert argument to int.
2023-09-12 Jason Merrill <jason@redhat.com>
PR c++/107198
* typeck2.cc (process_init_constructor_array): Use VEC_INIT_EXPR
regardless of seen_error.
2023-09-08 Patrick Palka <ppalka@redhat.com>
PR c++/99599
* pt.cc (check_non_deducible_conversions): Add bool parameter
passed down to check_non_deducible_conversion.
(fn_type_unification): Call check_non_deducible_conversions
an extra time before satisfaction with noninst_only_p=true.
(conversion_may_instantiate_p): Define.
(check_non_deducible_conversion): Add bool parameter controlling
whether to compute only conversions that are guaranteed to
not induce template instantiation.
2023-09-07 Sandra Loosemore <sandra@codesourcery.com>
PR c++/111274
* parser.cc (fixup_blocks_walker): Check for null BIND_EXPR_BLOCK.
2023-09-06 Jason Merrill <jason@redhat.com>
* class.cc (check_subobject_offset): Check
same_type_ignoring_top_level_qualifiers_p.
2023-09-05 Marek Polacek <polacek@redhat.com>
PR c++/91483
* constexpr.cc (verify_constant_explain_r): New.
(verify_constant): Call it.
2023-09-05 Jakub Jelinek <jakub@redhat.com>
PR c++/52953
* name-lookup.cc (check_local_shadow): Don't punt early for
DECL_EXTERNAL decls, instead just disable the shadowing of namespace
decls check for those and emit a pedwarn rather than error_at or
permerror for those. Formatting fix.
2023-09-05 Jakub Jelinek <jakub@redhat.com>
PR c++/52953
* name-lookup.h (struct cp_binding_level): Add artificial bit-field.
Formatting fixes.
* name-lookup.cc (check_local_shadow): Skip artificial bindings when
checking if parameter scope is parent scope. Don't special case
FUNCTION_NEEDS_BODY_BLOCK. Diagnose the in_function_try_handler
cases in the b->kind == sk_function_parms test and verify no
non-artificial intervening scopes. Add missing auto_diagnostic_group.
* decl.cc (begin_function_body): Set
current_binding_level->artificial.
* semantics.cc (begin_function_try_block): Likewise.
2023-09-05 Patrick Palka <ppalka@redhat.com>
* parser.cc (cp_parser_parenthesized_expression_list_elt): Pass
nullptr as non_constant_p to cp_parser_braced_list if our
non_constant_p is null.
(cp_parser_initializer_list): Likewise to
cp_parser_initializer_clause. Avoid inspecting
clause_non_constant_p if it's uninitialized.
2023-09-05 Patrick Palka <ppalka@redhat.com>
* call.cc (build_user_type_conversion): Free allocated
conversions.
(build_converted_constant_expr_internal): Use
conversion_obstack_sentinel instead.
(perform_dguide_overload_resolution): Likewise.
(build_new_function_call): Likewise.
(build_operator_new_call): Free allocated conversions.
(build_op_call): Use conversion_obstack_sentinel instead.
(build_conditional_expr): Use conversion_obstack_sentinel
instead, and hoist it out to the outermost scope.
(build_new_op): Use conversion_obstack_sentinel instead
and set it up before the first goto. Remove second unneeded goto.
(build_op_subscript): Use conversion_obstack_sentinel instead.
(ref_conv_binds_to_temporary): Likewise.
(build_new_method_call): Likewise.
(can_convert_arg): Likewise.
(can_convert_arg_bad): Likewise.
(perform_implicit_conversion_flags): Likewise.
(perform_direct_initialization_if_possible): Likewise.
(initialize_reference): Likewise.
2023-09-01 Jakub Jelinek <jakub@redhat.com>
PR c++/111069
* cp-tree.h (determine_local_discriminator): Add NAME argument with
NULL_TREE default.
(struct cp_decomp): New type.
(cp_finish_decl): Add DECOMP argument defaulted to nullptr.
(cp_maybe_mangle_decomp): Remove declaration.
(cp_finish_decomp): Add cp_decomp * argument, remove tree and unsigned
args.
(cp_convert_range_for): Likewise.
* decl.cc (determine_local_discriminator): Add NAME argument, use it
if non-NULL, otherwise compute it the old way.
(maybe_commonize_var): Don't return early for structured bindings.
(cp_finish_decl): Add DECOMP argument, if non-NULL, call
cp_maybe_mangle_decomp.
(cp_maybe_mangle_decomp): Make it static with a forward declaration.
Call determine_local_discriminator. Replace FIRST and COUNT arguments
with DECOMP argument.
(cp_finish_decomp): Replace FIRST and COUNT arguments with DECOMP
argument.
* mangle.cc (find_decomp_unqualified_name): Remove.
(write_unqualified_name): Don't call find_decomp_unqualified_name.
(mangle_decomp): Handle mangling of static function/block scope
structured bindings. Don't call decl_mangling_context twice. Call
check_abi_tags, call write_abi_tags for abi version >= 19 and emit
-Wabi warnings if needed.
(write_guarded_var_name): Handle structured bindings.
(mangle_ref_init_variable): Use write_guarded_var_name.
* parser.cc (cp_parser_range_for): Adjust do_range_for_auto_deduction
and cp_convert_range_for callers.
(do_range_for_auto_deduction): Replace DECOMP_FIRST_NAME and
DECOMP_CNT arguments with DECOMP. Adjust cp_finish_decomp caller.
(cp_convert_range_for): Replace DECOMP_FIRST_NAME and
DECOMP_CNT arguments with DECOMP. Don't call cp_maybe_mangle_decomp,
adjust cp_finish_decl and cp_finish_decomp callers.
(cp_parser_decomposition_declaration): Don't call
cp_maybe_mangle_decomp, adjust cp_finish_decl and cp_finish_decomp
callers.
(cp_convert_omp_range_for): Adjust do_range_for_auto_deduction
and cp_finish_decomp callers.
(cp_finish_omp_range_for): Don't call cp_maybe_mangle_decomp,
adjust cp_finish_decl and cp_finish_decomp callers.
* pt.cc (tsubst_omp_for_iterator): Adjust tsubst_decomp_names
caller.
(tsubst_decomp_names): Replace FIRST and CNT arguments with DECOMP.
(tsubst_expr): Don't call cp_maybe_mangle_decomp, adjust
tsubst_decomp_names, cp_finish_decl, cp_finish_decomp and
cp_convert_range_for callers.
2023-08-30 Marek Polacek <polacek@redhat.com>
PR c++/91319
* parser.cc (cp_parser_initializer_list): Set CONSTRUCTOR_IS_DIRECT_INIT
when the designated initializer is of the .x{} form.
2023-08-30 Marek Polacek <polacek@redhat.com>
PR c++/111173
* decl.cc (grokdeclarator): Disallow constinit on functions.
2023-08-29 Marek Polacek <polacek@redhat.com>
* call.cc (convert_like_internal): Show where the conversion function
was declared.
(maybe_show_nonconverting_candidate): New.
* cp-tree.h (maybe_show_nonconverting_candidate): Declare.
* typeck.cc (convert_for_assignment): Call it.
2023-08-25 Sandra Loosemore <sandra@codesourcery.com>
* cp-tree.h (cp_convert_omp_range_for): Adjust declaration.
* parser.cc (struct omp_for_parse_data): New.
(cp_parser_postfix_expression): Diagnose calls to OpenMP runtime
in intervening code.
(check_omp_intervening_code): New.
(cp_parser_statement_seq_opt): Special-case nested loops, blocks,
and other constructs for OpenMP loops.
(cp_parser_iteration_statement): Reject loops in intervening code.
(cp_parser_omp_for_loop_init): Expand comments and tweak the
interface slightly to better distinguish input/output parameters.
(cp_convert_omp_range_for): Likewise.
(cp_parser_omp_loop_nest): New, split from cp_parser_omp_for_loop
and largely rewritten. Add more comments.
(insert_structured_blocks): New.
(find_structured_blocks): New.
(struct sit_data, substitute_in_tree_walker, substitute_in_tree):
New.
(fixup_blocks_walker): New.
(cp_parser_omp_for_loop): Rewrite to use recursive descent instead
of a loop. Add logic to reshuffle the bits of code collected
during parsing so intervening code gets moved to the loop body.
(cp_parser_omp_loop): Remove call to finish_omp_for_block, which
is now redundant.
(cp_parser_omp_simd): Likewise.
(cp_parser_omp_for): Likewise.
(cp_parser_omp_distribute): Likewise.
(cp_parser_oacc_loop): Likewise.
(cp_parser_omp_taskloop): Likewise.
(cp_parser_pragma): Reject OpenMP pragmas in intervening code.
* parser.h (struct cp_parser): Add omp_for_parse_state field.
* pt.cc (tsubst_omp_for_iterator): Adjust call to
cp_convert_omp_range_for.
* semantics.cc (finish_omp_for): Try harder to preserve location
of loop variable init expression for use in diagnostics.
(struct fofb_data, finish_omp_for_block_walker): New.
(finish_omp_for_block): Allow variables to be bound in a BIND_EXPR
nested inside BIND instead of directly in BIND itself.
2023-08-25 Sandra Loosemore <sandra@codesourcery.com>
* constexpr.cc (cxx_eval_constant_expression): Handle
OMP_STRUCTURED_BLOCK.
* pt.cc (tsubst_expr): Likewise.
2023-08-25 Uros Bizjak <ubizjak@gmail.com>
* call.cc (build_conditional_expr):
Rename TRUE/FALSE to true/false.
(build_new_op): Ditto.
2023-08-22 Jason Merrill <jason@redhat.com>
* pt.cc (outer_template_args): Handle non-template argument.
* constraint.cc (maybe_substitute_reqs_for): Pass decl to it.
* cp-tree.h (outer_template_args): Adjust.
2023-08-22 Jason Merrill <jason@redhat.com>
PR c++/109751
* cp-tree.h (member_like_constrained_friend_p): Declare.
* decl.cc (member_like_constrained_friend_p): New.
(function_requirements_equivalent_p): Check it.
(duplicate_decls): Check it.
(grokfndecl): Check friend template constraints.
* mangle.cc (decl_mangling_context): Check it.
(write_unqualified_name): Check it.
* pt.cc (uses_outer_template_parms_in_constraints): Fix for friends.
(tsubst_friend_function): Don't check satisfaction.
2023-08-22 Tobias Burnus <tobias@codesourcery.com>
* parser.cc (cp_parser_omp_clause_defaultmap): Parse
'all' as category.
2023-08-15 Chung-Lin Tang <cltang@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
* parser.cc (OACC_DATA_CLAUSE_MASK): Add PRAGMA_OACC_CLAUSE_DEFAULT.
2023-08-14 gnaggnoyil <gnaggnoyil@gmail.com>
DR 2386
PR c++/110216
* decl.cc (get_tuple_size): Update implementation for DR 2386.
2023-08-14 Jason Merrill <jason@redhat.com>
* parser.cc (cp_parser_simple_type_specifier): Handle -std=c++14
-fconcepts.
2023-08-12 Patrick Palka <ppalka@redhat.com>
Jason Merrill <jason@redhat.com>
PR c++/106604
* decl.cc (redeclaration_error_message): Remove special handling
for deduction guides.
(grokfndecl): Give deduction guides a dummy DECL_INITIAL.
2023-08-11 Patrick Palka <ppalka@redhat.com>
PR c++/110927
* parser.cc (cp_parser_type_requirement): Pass
check_dependency_p=true instead of =false.
2023-08-11 Patrick Palka <ppalka@redhat.com>
PR c++/71954
* decl.cc (grokdeclarator): Pass 'dname' instead of
'unqualified_id' as the name when building the VAR_DECL for a
static data member. Call check_explicit_specialization for a
TEMPLATE_ID_EXPR such member.
* pt.cc (finish_member_template_decl): Return NULL_TREE
instead of 'decl' when DECL_TEMPLATE_SPECIALIZATION is not
set.
2023-08-11 Patrick Palka <ppalka@redhat.com>
* ptree.cc (cxx_print_decl): Check for DECL_LANG_SPECIFIC and
TS_DECL_COMMON only when necessary. Print DECL_TEMPLATE_INFO
for all decls that have it, not just VAR_DECL or FUNCTION_DECL.
Also print DECL_USE_TEMPLATE.
(cxx_print_type): Print TYPE_TEMPLATE_INFO.
<case BOUND_TEMPLATE_TEMPLATE_PARM>: Don't print TYPE_TI_ARGS
anymore.
<case TEMPLATE_TYPE/TEMPLATE_PARM>: Print TEMPLATE_TYPE_PARM_INDEX
instead of printing the index, level and original level
individually.
2023-08-08 Marek Polacek <polacek@redhat.com>
* parser.cc (cp_parser_postfix_expression): Adjust the call to
cp_parser_braced_list.
(cp_parser_postfix_open_square_expression): Likewise.
(cp_parser_new_initializer): Likewise.
(cp_parser_assignment_expression): Adjust the call to
cp_parser_initializer_clause.
(cp_parser_lambda_introducer): Adjust the call to cp_parser_initializer.
(cp_parser_range_for): Adjust the call to cp_parser_braced_list.
(cp_parser_jump_statement): Likewise.
(cp_parser_mem_initializer): Likewise.
(cp_parser_template_argument): Likewise.
(cp_parser_default_argument): Adjust the call to cp_parser_initializer.
(cp_parser_initializer): Handle null is_direct_init and non_constant_p
arguments.
(cp_parser_initializer_clause): Handle null non_constant_p argument.
(cp_parser_braced_list): Likewise.
(cp_parser_initializer_list): Likewise.
(cp_parser_member_declaration): Adjust the call to
cp_parser_initializer_clause and cp_parser_initializer.
(cp_parser_yield_expression): Adjust the call to cp_parser_braced_list.
(cp_parser_functional_cast): Likewise.
(cp_parser_late_parse_one_default_arg): Adjust the call to
cp_parser_initializer.
(cp_parser_omp_for_loop_init): Likewise.
(cp_parser_omp_declare_reduction_exprs): Likewise.
2023-08-08 Nathaniel Shead <nathanieloshead@gmail.com>
PR c++/100482
* parser.cc (cp_parser_decltype_expr): Report errors raised by
finish_id_expression.
2023-08-04 Tamar Christina <tamar.christina@arm.com>
* cp-tree.h (RANGE_FOR_NOVECTOR): New.
(cp_convert_range_for, finish_while_stmt_cond, finish_do_stmt,
finish_for_cond): Add novector param.
* init.cc (build_vec_init): Default novector to false.
* method.cc (build_comparison_op): Likewise.
* parser.cc (cp_parser_statement): Likewise.
(cp_parser_for, cp_parser_c_for, cp_parser_range_for,
cp_convert_range_for, cp_parser_iteration_statement,
cp_parser_omp_for_loop, cp_parser_pragma): Support novector.
(cp_parser_pragma_novector): New.
* pt.cc (tsubst_expr): Likewise.
* semantics.cc (finish_while_stmt_cond, finish_do_stmt,
finish_for_cond): Likewise.
2023-08-01 Lewis Hyatt <lhyatt@gmail.com>
* parser.cc (c_init_preprocess): New function.
(maybe_read_tokens_for_pragma_lex): New function.
(pragma_lex): Support preprocess-only mode.
(pragma_lex_discard_to_eol): New function.
2023-07-31 Chung-Lin Tang <cltang@codesourcery.com>
* parser.cc (cp_parser_oacc_host_data): Add checking requiring OpenACC
host_data construct to have an use_device clause.
2023-07-28 Ng YongXiang <yongxiangng@gmail.com>
PR c++/110057
PR ipa/83054
* init.cc (build_vec_delete_1): Devirtualize array destruction.
2023-07-27 Patrick Palka <ppalka@redhat.com>
PR c++/110197
* constexpr.cc (cxx_eval_array_reference): Allow synthesizing an
empty subobject even if CONSTRUCTOR_NO_CLEARING is set.
(cxx_eval_bare_aggregate): Set 'no_slot' to true more generally
whenever new_ctx.ctor is set to NULL_TREE by init_subob_ctx,
i.e. whenever initializing an subobject of empty type.
(cxx_eval_vec_init_1): Define 'no_slot' as above and use it
accordingly.
2023-07-27 Nathaniel Shead <nathanieloshead@gmail.com>
PR c++/103497
* pt.cc (type_uses_auto): Check inside parameter packs.
2023-07-26 Patrick Palka <ppalka@redhat.com>
PR c++/110566
PR c++/108179
* pt.cc (reduce_template_parm_level): Set DECL_TEMPLATE_INFO
on the DECL_TEMPLATE_RESULT of the new ttp.
(add_defaults_to_ttp): Make a copy of the original ttp's
DECL_TEMPLATE_RESULT, and update this copy's DECL_TEMPLATE_INFO
as well.
(coerce_template_template_parms): Make sure 'scope_args' has
the right amount of levels for the ttp argument.
(most_general_template): Handle template template parameters.
(rewrite_template_parm): Set DECL_TEMPLATE_RESULT on the
DECL_TEMPLATE_RESULT of the new ttp.
2023-07-26 Patrick Palka <ppalka@redhat.com>
PR c++/110566
PR c++/108179
* pt.cc (coerce_template_template_parms): Simplify by using
DECL_INNERMOST_TEMPLATE_PARMS and removing redundant asserts.
Always pass the parameters of the most general template to
coerce_template_parms.
2023-07-26 Patrick Palka <ppalka@redhat.com>
PR c++/110809
* pt.cc (unify) <case INTEGER_CST>: Generalize to handle
REAL_CST as well.
2023-07-26 Marek Polacek <polacek@redhat.com>
* parser.cc (cp_parser_constant_expression): Allow non_constant_p to be
nullptr even when allow_non_constant_p is true. Don't call
_rvalue_constant_expression when not necessary. Move local variable
declarations closer to their first use.
(cp_parser_static_assert): Don't pass a dummy down to
cp_parser_constant_expression.
2023-07-26 Jason Merrill <jason@redhat.com>
PR c++/106310
* parser.cc (cp_parser_template_name): Skip non-member
lookup after the template keyword.
(cp_parser_lookup_name): Pass down template_keyword_p.
2023-07-26 Nathaniel Shead <nathanieloshead@gmail.com>
PR c++/96630
PR c++/98675
PR c++/70331
* constexpr.cc (constexpr_global_ctx::is_outside_lifetime): New
function.
(constexpr_global_ctx::get_value): Don't return expired values.
(constexpr_global_ctx::get_value_ptr): Likewise.
(constexpr_global_ctx::remove_value): Mark value outside
lifetime.
(outside_lifetime_error): New function.
(cxx_eval_call_expression): No longer track save_exprs.
(cxx_eval_loop_expr): Likewise.
(cxx_eval_constant_expression): Add checks for outside lifetime
values. Remove local variables at end of bind exprs, and
temporaries after cleanup points.
2023-07-26 Nathaniel Shead <nathanieloshead@gmail.com>
PR c++/110619
* cp-gimplify.cc (cp_genericize_r): Transform RETURN_EXPRs to
not return dangling pointers.
* cp-tree.h (RETURN_EXPR_LOCAL_ADDR_P): New flag.
(check_return_expr): Add a new parameter.
* semantics.cc (finish_return_stmt): Set flag on RETURN_EXPR
when referring to dangling pointer.
* typeck.cc (check_return_expr): Disable transformation of
dangling pointers, instead pass this information to caller.
2023-07-26 Nathaniel Shead <nathanieloshead@gmail.com>
* constexpr.cc (modifying_const_object_error): Find the source
location of the const object's declaration.
(cxx_eval_constant_expression): Update input_location to the
location of the currently evaluated expression, if possible.
2023-07-25 Marek Polacek <polacek@redhat.com>
PR c++/108960
* pt.cc (lookup_and_finish_template_variable): Don't clear tf_partial
here.
(instantiate_template): Reset all complain flags except
tf_warning_or_error.
2023-07-25 Marek Polacek <polacek@redhat.com>
PR c++/110382
* constexpr.cc (cxx_eval_array_reference): Create a new constructor
only when we don't already have a matching one. Clear the object
when the type is non-scalar.
2023-07-21 Marek Polacek <polacek@redhat.com>
PR c++/110106
* constexpr.cc (potential_constant_expression_1): Try to complete the
type when !processing_template_decl.
2023-07-20 Marek Polacek <polacek@redhat.com>
PR c++/110114
* call.cc (implicit_conversion_1): Return early if the type isn't
complete.
2023-07-19 Marek Polacek <polacek@redhat.com>
PR c++/110745
* error.cc (dump_simple_decl): Print base class name.
2023-07-19 Marek Polacek <polacek@redhat.com>
PR c++/110064
* typeck2.cc (process_init_constructor_record): Don't emit
-Wmissing-field-initializers for empty classes.
2023-07-19 Patrick Palka <ppalka@redhat.com>
* pt.cc (type_unification_real): Test for PARM_DECL instead
of TEMPLATE_PARM_INDEX to distinguish a type vs non-type
template parameter pack.
(type_targs_deducible_from): Likewise.
2023-07-19 Patrick Palka <ppalka@redhat.com>
* pt.cc (tsubst_function_decl): Add defaulted 'use_spec_table'
flag parameter. Don't look up or insert into the specializations
table if 'use_spec_table' is false.
(tsubst_decl): Add defaulted 'use_spec_table' flag parameter.
Check for error_mark_node.
<case FUNCTION_DECL>: Pass 'use_spec_table' to
tsubst_function_decl.
<case TYPE/VAR_DECL>: Don't call coerce_template_parms.
Don't look up or insert into the specializations table if
'use_spec_table' is false. Exit earlier if the substituted
type is erroneous and we're not complaining, and do so for
alias specializations as well.
(instantiate_template): Pass false as 'use_spec_table'
to tsubst_decl. Call register_specialization afterwards.
2023-07-18 Jason Merrill <jason@redhat.com>
* constexpr.cc (cxx_eval_bit_cast): Check that the result of
native_interpret_aggregate doesn't need more evaluation.
2023-07-18 Patrick Palka <ppalka@redhat.com>
* call.cc (add_template_conv_candidate): Don't check for
non-empty 'candidates' here.
(build_op_call): Check it here, before we've considered any
conversion functions.
2023-07-18 Patrick Palka <ppalka@redhat.com>
PR c++/110535
* call.cc (add_conv_candidate): Check constraints.
2023-07-17 Jason Merrill <jason@redhat.com>
* constexpr.cc (cxx_eval_call_expression): Only cache
reduced_constant_expression_p results.
(reduced_constant_expression_p): Handle CONSTRUCTOR of scalar type.
(cxx_eval_constant_expression): Fold vectors here.
(cxx_eval_bare_aggregate): Not here.
2023-07-15 Patrick Palka <ppalka@redhat.com>
PR c++/110441
* call.cc (keep_unused_object_arg): Use cp_build_compound_expr
instead of building a COMPOUND_EXPR directly.
2023-07-15 Patrick Palka <ppalka@redhat.com>
PR c++/110524
* mangle.cc (write_expression): Handle TEMPLATE_ID_EXPR
whose template is already an IDENTIFIER_NODE.
2023-07-14 Nathaniel Shead <nathanieloshead@gmail.com>
* constexpr.cc (cxx_eval_constant_expression): Pass t to get_value.
2023-07-14 Jason Merrill <jason@redhat.com>
PR c++/110344
* constexpr.cc (cxx_eval_constant_expression): Move P2738 handling
after heap handling.
* name-lookup.cc (get_cxx_dialect_name): Add C++26.
2023-07-14 Marek Polacek <polacek@redhat.com>
Jason Merrill <jason@redhat.com>
PR c++/109876
* decl.cc (cp_finish_decl): Set TREE_CONSTANT when initializing
an object of empty class type.
* pt.cc (value_dependent_expression_p) <case VAR_DECL>: Treat a
constexpr-declared non-constant variable as value-dependent.
2023-07-11 Patrick Palka <ppalka@redhat.com>
PR c++/110580
* pt.cc (lookup_template_variable): Pass all levels of arguments
to coerce_template_parms, and use the parameters from the most
general template.
2023-07-10 Patrick Palka <ppalka@redhat.com>
PR c++/110523
* pt.cc (redeclare_class_template): Relax the ttp DECL_CONTEXT
assert, and downgrade it to a checking assert.
2023-06-30 Patrick Palka <ppalka@redhat.com>
* cp-tree.h (TEMPLATE_PARM_DESCENDANTS): Harden.
(TEMPLATE_TYPE_DESCENDANTS): Define.
(TEMPLATE_TEMPLATE_PARM_SIMPLE_P): Define.
* pt.cc (reduce_template_parm_level): Revert
r14-418-g0bc2a1dc327af9 change.
(process_template_parm): Set TEMPLATE_TEMPLATE_PARM_SIMPLE_P
appropriately.
(uses_outer_template_parms): Determine the outer depth of
a template template parm without relying on DECL_CONTEXT.
(tsubst) <case TEMPLATE_TEMPLATE_PARM>: Cache lowering a
simple template template parm. Consistently use 'code'.
2023-06-29 Patrick Palka <ppalka@redhat.com>
PR c++/110468
* init.cc (maybe_instantiate_nsdmi_init): Mask out all
tsubst flags except for tf_warning_or_error.
2023-06-29 Patrick Palka <ppalka@redhat.com>
PR c++/110463
* cp-gimplify.cc (cp_fold) <case CONSTRUCTOR>: Propagate
CONSTRUCTOR_MUTABLE_POISON.
2023-06-29 Patrick Palka <ppalka@redhat.com>
* cp-tree.h (tree_template_info::partial): New data member.
(TI_PARTIAL_INFO): New tree accessor.
(most_specialized_partial_spec): Add defaulted bool parameter.
* module.cc (trees_out::core_vals) <case TEMPLATE_INFO>: Stream
TI_PARTIAL_INFO.
(trees_in::core_vals) <case TEMPLATE_INFO>: Likewise.
* parser.cc (specialization_of): Adjust after making
most_specialized_partial_spec return TEMPLATE_INFO instead
of TREE_LIST.
* pt.cc (process_partial_specialization): Set TI_PARTIAL_INFO
of 'decl' to point back to the partial TEMPLATE_DECL. Likewise
(and pass rechecking=true to most_specialization_partial_spec).
(instantiate_class_template): Likewise.
(instantiate_template): Set TI_PARTIAL_INFO to the result of
most_specialization_partial_spec after forming a variable
template specialization.
(most_specialized_partial_spec): Add 'rechecking' parameter.
Exit early if the template is not primary. Use the TI_PARTIAL_INFO
of the corresponding TEMPLATE_INFO as a cache unless 'rechecking'
is true. Don't bother setting TREE_TYPE of each TREE_LIST.
(instantiate_decl): Adjust after making
most_specialized_partial_spec return TEMPLATE_INFO instead of
TREE_LIST.
* ptree.cc (cxx_print_xnode) <case TEMPLATE_INFO>: Dump
TI_PARTIAL_INFO.
2023-06-29 Eugene Rozenfeld <erozen@microsoft.com>
* Make-lang.in: Pass correct stage cc1plus when processing
profile data collected while building target libraries
2023-06-28 Patrick Palka <ppalka@redhat.com>
PR c++/89442
PR c++/107437
* cp-tree.h (lookup_template_variable): Add complain parameter.
* parser.cc (cp_parser_template_id): Pass tf_warning_or_error
to lookup_template_variable.
* pt.cc (lookup_template_variable): Add complain parameter.
Coerce template arguments here ...
(finish_template_variable): ... instead of here.
(lookup_and_finish_template_variable): Check for error_mark_node
result from lookup_template_variable.
(tsubst_copy) <case TEMPLATE_ID_EXPR>: Pass complain to
lookup_template_variable.
(instantiate_template): Use build2 instead of
lookup_template_variable to build a TEMPLATE_ID_EXPR
for most_specialized_partial_spec.
2023-06-28 Marek Polacek <polacek@redhat.com>
PR c++/110175
* typeck.cc (cp_build_unary_op): Check tf_warning before warning.
2023-06-28 Jason Merrill <jason@redhat.com>
PR c++/110334
* cp-tree.h (clone_attrs): Declare.
* method.cc (implicitly_declare_fn): Use it for inherited
constructor.
* optimize.cc (clone_attrs): New.
(maybe_clone_body): Use it.
2023-06-28 Jason Merrill <jason@redhat.com>
PR c++/110344
* constexpr.cc (cxx_eval_constant_expression): In C++26, allow cast
from void* to the type of a pointed-to object.
2023-06-23 David Malcolm <dmalcolm@redhat.com>
PR c++/110164
* cp-name-hint.h (maybe_suggest_missing_header): New decl.
* decl.cc: Define INCLUDE_MEMORY. Add include of
"cp/cp-name-hint.h".
(start_decl_1): Call maybe_suggest_missing_header.
* name-lookup.cc (maybe_suggest_missing_header): Remove "static".
2023-06-16 Alex Coplan <alex.coplan@arm.com>
* parser.cc (cp_parser_enum_specifier): Don't reject
elaborated-type-specifier with enum-base, instead emit new
Welaborated-enum-base warning.
2023-06-14 Jason Merrill <jason@redhat.com>
DR 2327
PR c++/86521
* call.cc (joust_maybe_elide_copy): Don't change cand.
(joust): Move the elided tiebreaker later.
2023-06-13 David Malcolm <dmalcolm@redhat.com>
PR c/84890
* name-lookup.cc (missing_std_header::~missing_std_header): Reword
note to avoid negative tone of "forgetting".
2023-06-13 Jason Merrill <jason@redhat.com>
* tree.cc (build_target_expr): Check TYPE_HAS_MUTABLE_P.
2023-06-12 Tobias Burnus <tobias@codesourcery.com>
* parser.cc (cp_parser_omp_clause_map): Reword error message for
clearness especially with 'omp target (enter/exit) data.'
* semantics.cc (handle_omp_array_sections): Handle
GOMP_MAP_{ALWAYS_,}PRESENT_{TO,TOFROM,FROM,ALLOC} enum values.
2023-06-12 Jason Merrill <jason@redhat.com>
PR c++/105838
* call.cc (convert_like_internal) [ck_list]: Use
maybe_init_list_as_array.
* constexpr.cc (cxx_eval_vec_init_1): Init might have
a different type.
* tree.cc (build_vec_init_elt): Likewise.
* init.cc (build_vec_init): Handle from_array from a
TARGET_EXPR. Retain TARGET_EXPR of a different type.
2023-06-11 Patrick Palka <ppalka@redhat.com>
PR c++/110122
* constexpr.cc (cxx_eval_call_expression): Synthesize defaulted
functions needed for constant evaluation.
(instantiate_cx_fn_r): Likewise.
2023-06-11 Patrick Palka <ppalka@redhat.com>
PR c++/110122
* pt.cc (lookup_template_class): Extend shortcut for looking up the
current class scope to consider outer class scopes too, and use
current_nonlambda_class_type instead of current_class_type. Only
call coerce_template_parms when specializing a primary template.
2023-06-10 Nathan Sidwell <nathan@acm.org>
PR c++/61663
* pt.cc (maybe_adjust_types_for_deduction): Implement DR976.
2023-06-09 Jason Merrill <jason@redhat.com>
PR c++/110185
PR c++/58487
* method.cc (build_comparison_op): Give retval a name.
* typeck.cc (check_return_expr): Fix for nameless variables.
2023-06-09 Jason Merrill <jason@redhat.com>
* parser.cc (cp_parser_simple_type_specifier): Check for auto
in template argument.
(cp_parser_template_type_arg): Remove auto checking.
2023-06-09 Jason Merrill <jason@redhat.com>
PR c++/110102
* call.cc (maybe_init_list_as_array): Check that the element type is
copyable.
2023-06-07 Jason Merrill <jason@redhat.com>
PR c++/58487
PR c++/53637
* cp-tree.h (INIT_EXPR_NRV_P): New.
* semantics.cc (finalize_nrv_r): Check it.
* name-lookup.h (decl_in_scope_p): Declare.
* name-lookup.cc (decl_in_scope_p): New.
* typeck.cc (check_return_expr): Allow non-NRV
returns if the NRV is no longer in scope.
2023-06-07 Jason Merrill <jason@redhat.com>
PR c++/58487
* typeck.cc (want_nrvo_p): New.
(check_return_expr): Handle -Wnrvo.
2023-06-07 Jason Merrill <jason@redhat.com>
PR c++/51571
PR c++/92407
* decl.cc (finish_function): Simplify NRV handling.
* except.cc (maybe_set_retval_sentinel): Also set if NRV.
(maybe_splice_retval_cleanup): Don't add the cleanup region
if we don't need it.
* semantics.cc (nrv_data): Add simple field.
(finalize_nrv): Set it.
(finalize_nrv_r): Check it and retval sentinel.
* cp-tree.h (finalize_nrv): Adjust declaration.
* typeck.cc (check_return_expr): Remove named_labels check.
2023-06-07 Jason Merrill <jason@redhat.com>
PR c++/92407
* typeck.cc (check_return_expr): Prevent NRV in the presence of
named labels.
2023-06-07 Jason Merrill <jason@redhat.com>
PR c++/33799
* except.cc (maybe_splice_retval_cleanup): Change
recognition of function body and try scopes.
* semantics.cc (do_poplevel): Call it after poplevel.
(at_try_scope): New.
* cp-tree.h (maybe_splice_retval_cleanup): Adjust.
2023-06-07 Jason Merrill <jason@redhat.com>
* semantics.cc (finalize_nrv_r): [RETURN_EXPR]: Only replace the
INIT_EXPR.
2023-06-06 Kwok Cheung Yeung <kcy@codesourcery.com>
Tobias Burnus <tobias@codesourcery.com>
* parser.cc (cp_parser_omp_clause_defaultmap,
cp_parser_omp_clause_map): Parse 'present'.
(cp_parser_omp_clause_from_to): New; parse to/from
clauses with optional 'present' modifier.
(cp_parser_omp_all_clauses): Update call.
(cp_parser_omp_target_data, cp_parser_omp_target_enter_data,
cp_parser_omp_target_exit_data): Handle new enum value for
'present' mapping.
* semantics.cc (finish_omp_target): Likewise.
2023-06-04 Jason Merrill <jason@redhat.com>
PR c++/97720
* cp-tree.h (enum cp_tree_index): Add CPTI_CALL_TERMINATE_FN.
(call_terminate_fn): New macro.
* cp-gimplify.cc (gimplify_must_not_throw_expr): Use it.
* except.cc (init_exception_processing): Set it.
(cp_protect_cleanup_actions): Return it.
2023-06-03 Patrick Palka <ppalka@redhat.com>
PR c++/109923
* pt.cc (is_specialization_of_friend): Fix overbroad check for
a non-template member function of a class template.
2023-06-03 Patrick Palka <ppalka@redhat.com>
* pt.cc (iterative_hash_template_arg): Don't hash
TEMPLATE_TEMPLATE_PARM specially.
2023-06-03 Patrick Palka <ppalka@redhat.com>
* class.cc (build_base_path): Check in_template_context instead
of in_template_function.
(resolves_to_fixed_type_p): Likewise.
* cp-tree.h (in_template_context): Define.
(in_template_function): Remove.
* decl.cc (cp_make_fname_decl): Check current_function_decl
and in_template_context instead of in_template_function.
* decl2.cc (mark_used): Check in_template_context instead of
in_template_function.
* pt.cc (in_template_function): Remove.
* semantics.cc (enforce_access): Check in_template_context
instead of current_template_parms directly.
2023-06-03 Patrick Palka <ppalka@redhat.com>
PR c++/70790
* mangle.cc (write_expression): Handle NOEXCEPT_EXPR.
2023-06-02 Jason Merrill <jason@redhat.com>
DR 2735
PR c++/109247
* call.cc (sfk_copy_or_move): New.
(joust): Add tiebreaker for explicit conv and copy ctor.
2023-06-02 Jason Merrill <jason@redhat.com>
PR c++/110070
PR c++/105838
* call.cc (maybe_init_list_as_array): Set DECL_MERGEABLE.
(convert_like_internal) [ck_list]: Set it.
(set_up_extended_ref_temp): Copy it.
* tree.cc (handle_no_unique_addr_attribute): Set it.
2023-06-01 Jason Merrill <jason@redhat.com>
* typeck2.cc (check_narrowing): Check flag_permissive.
2023-05-30 Tobias Burnus <tobias@codesourcery.com>
PR c/109999
* parser.cc (cp_parser_oacc_all_clauses,
cp_parser_omp_all_clauses): Improve error wording.
2023-05-19 Andrew Pinski <apinski@marvell.com>
PR driver/33980
* lang-specs.h ("@c++-header"): Add %w after
the --output-pch.
("@c++-system-header"): Likewise.
("@c++-user-header"): Likewise.
2023-05-19 Patrick Palka <ppalka@redhat.com>
* constraint.cc (normalize_concept_check): Avoid having to do
two norm_cache lookups. Remove unnecessary early exit for an
ill-formed concept definition.
2023-05-19 Patrick Palka <ppalka@redhat.com>
PR c++/97340
* pt.cc (lookup_and_finish_template_variable): Don't call
convert_from_reference.
(tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Call
convert_from_reference on the result of
lookup_and_finish_template_variable.
2023-05-18 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
* call.cc (promoted_arithmetic_type_p): Use _P defines from tree.h.
(build_conditional_expr): Ditto.
(convert_like_internal): Ditto.
(convert_arg_to_ellipsis): Ditto.
(build_over_call): Ditto.
(compare_ics): Ditto.
* class.cc (is_empty_base_ref): Ditto.
* coroutines.cc (rewrite_param_uses): Ditto.
* cp-tree.h (DECL_DISCRIMINATOR_P): Ditto.
(ARITHMETIC_TYPE_P): Ditto.
* cvt.cc (ocp_convert): Ditto.
* cxx-pretty-print.cc (pp_cxx_template_argument_list): Ditto.
* decl.cc (layout_var_decl): Ditto.
(get_tuple_size): Ditto.
* error.cc (dump_simple_decl): Ditto.
* lambda.cc (start_lambda_scope): Ditto.
* mangle.cc (write_template_arg): Ditto.
* method.cc (spaceship_comp_cat): Ditto.
* module.cc (node_template_info): Ditto.
(trees_out::start): Ditto.
(trees_out::decl_node): Ditto.
(trees_in::read_var_def): Ditto.
(set_instantiating_module): Ditto.
* name-lookup.cc (maybe_record_mergeable_decl): Ditto.
(consider_decl): Ditto.
(maybe_add_fuzzy_decl): Ditto.
* pt.cc (convert_nontype_argument): Ditto.
* semantics.cc (handle_omp_array_sections_1): Ditto.
(finish_omp_clauses): Ditto.
(finish_omp_target_clauses_r): Ditto.
(is_this_parameter): Ditto.
* tree.cc (build_cplus_array_type): Ditto.
(is_this_expression): Ditto.
* typeck.cc (do_warn_enum_conversions): Ditto.
* typeck2.cc (store_init_value): Ditto.
(check_narrowing): Ditto.
2023-05-17 Jakub Jelinek <jakub@redhat.com>
PR c++/109868
* init.cc (build_zero_init_1): Don't initialize zero-width bitfields.
For unions only initialize the first FIELD_DECL.
2023-05-16 Marek Polacek <polacek@redhat.com>
PR c++/109774
* typeck.cc (check_return_expr): In a template, return only after
suppressing -Wdangling-reference.
2023-05-16 Patrick Palka <ppalka@redhat.com>
PR c++/109871
* call.cc (add_list_candidates): Check for invalid designated
initialization sooner and even for types that have a list
constructor.
2023-05-11 Patrick Palka <ppalka@redhat.com>
PR c++/109745
* typeck2.cc (poison_mutable_constructors): Define.
(store_init_value): Use it instead of setting
CONSTRUCTOR_MUTABLE_POISON directly.
2023-05-11 Patrick Palka <ppalka@redhat.com>
Jonathan Wakely <jwakely@redhat.com>
PR c++/83258
PR c++/80488
PR c++/97700
* pt.cc (convert_nontype_argument_function): Remove linkage
requirement for C++17 and later.
(invalid_tparm_referent_p) <case ADDR_EXPR>: Restrict
DECL_ARTIFICIAL rejection test to VAR_DECL.
2023-05-10 Marek Polacek <polacek@redhat.com>
PR c++/109680
* method.cc (build_trait_object): New.
(assignable_expr): Use it.
(ref_xes_from_temporary): Likewise.
(is_convertible_helper): Likewise. Check FUNC_OR_METHOD_TYPE_P.
2023-05-10 Jason Merrill <jason@redhat.com>
* call.cc (convert_like_internal): Share ck_ref_bind handling
between all bad conversions.
2023-05-10 Jason Merrill <jason@redhat.com>
DR 2543
* constexpr.cc (cxx_eval_outermost_constant_expr): Preserve
TARGET_EXPR flags.
(potential_constant_expression_1): Check TARGET_EXPR_ELIDING_P.
* typeck2.cc (store_init_value): Diagnose constinit sooner.
2023-05-10 Jason Merrill <jason@redhat.com>
* constexpr.cc (cxx_eval_outermost_constant_expr): Always check
for address of immediate fn.
(maybe_constant_init_1): Evaluate PTRMEM_CST.
2023-05-10 Jakub Jelinek <jakub@redhat.com>
PR c++/109756
* parser.cc (cp_parser_std_attribute): For unknown attributes with
arguments set TREE_VALUE (attribute) to error_mark_node after skipping
the balanced tokens.
(cp_parser_std_attribute_list): If ... is used after attribute without
arguments, diagnose it and return error_mark_node. If
TREE_VALUE (attribute) is error_mark_node, don't call
make_pack_expansion nor return early error_mark_node.
2023-05-09 Patrick Palka <ppalka@redhat.com>
PR c++/109752
* constraint.cc (satisfaction_cache::satisfaction_cache): In the
unexpected case of evaluating an atom for the first time noisily,
remove the cache slot that we inserted.
2023-05-09 Patrick Palka <ppalka@redhat.com>
PR c++/109761
* parser.cc (cp_parser_class_specifier): Don't pass a class
context to noexcept_override_late_checks.
(noexcept_override_late_checks): Remove 'type' parameter
and use DECL_CONTEXT of 'fndecl' instead.
2023-05-09 Jakub Jelinek <jakub@redhat.com>
PR c++/109756
* cp-gimplify.cc (process_stmt_assume_attribute): Diagnose pack
expansion of assume attribute.
2023-05-08 Patrick Palka <ppalka@redhat.com>
PR c++/106214
PR c++/93107
* pt.cc (do_auto_deduction): Move up resolve_nondeduced_context
calls to happen before do_class_deduction. Add some
error_mark_node tests.
2023-05-07 Patrick Palka <ppalka@redhat.com>
PR c++/85979
* cxx-pretty-print.cc (cxx_pretty_printer::unary_expression)
<case ALIGNOF_EXPR>: Consider ALIGNOF_EXPR_STD_P.
* error.cc (dump_expr) <case ALIGNOF_EXPR>: Likewise.
2023-05-07 Patrick Palka <ppalka@redhat.com>
DR 2256
PR c++/103091
* decl.cc (decl_jump_unsafe): Return bool instead of int.
Don't consider TYPE_HAS_NONTRIVIAL_DESTRUCTOR.
(check_previous_goto_1): Simplify now that decl_jump_unsafe
returns bool instead of int.
(check_goto): Likewise.
2023-05-07 Patrick Palka <ppalka@redhat.com>
* pt.cc (instantiate_alias_template): Exit early upon
error from coerce_template_parms. Remove dependence test
guarding constraints_satisfied_p.
2023-05-07 Patrick Palka <ppalka@redhat.com>
* cp-tree.h (PLACEHOLDER_TYPE_CONSTRAINTS_INFO): Harden via
TEMPLATE_TYPE_PARM_CHECK.
(TPARMS_PRIMARY_TEMPLATE): Harden via TREE_VEC_CHECK.
(TEMPLATE_TEMPLATE_PARM_TEMPLATE_DECL): Harden via
TEMPLATE_TEMPLATE_PARM_CHECK.
* cxx-pretty-print.cc (cxx_pretty_printer::simple_type_specifier):
Guard PLACEHOLDER_TYPE_CONSTRAINTS access.
* error.cc (dump_type) <case TEMPLATE_TYPE_PARM>: Use separate
variable to store CLASS_PLACEHOLDER_TEMPLATE result.
* pt.cc (outer_template_args): Use strip_innermost_template_args.
(any_type_dependent_arguments_p): Exit early if
!processing_template_decl. Use range-based for.
(any_dependent_template_arguments_p): Likewise.
2023-05-07 Patrick Palka <ppalka@redhat.com>
PR c++/98283
* pt.cc (tsubst_copy_and_build) <case COMPONENT_REF>: Propagate
REF_PARENTHESIZED_P more generally via force_paren_expr.
* semantics.cc (force_paren_expr): Document default argument.
2023-05-07 Patrick Palka <ppalka@redhat.com>
PR c++/109651
* pt.cc (coerce_template_args_for_ttp): Mention we can hit the
current_template_parms fallback when level-lowering a bound ttp.
(tsubst_template_decl): Add lambda_tparms parameter. Prefer to
use lambda_tparms instead of substituting DECL_TEMPLATE_PARMS.
(tsubst_decl) <case TEMPLATE_DECL>: Pass NULL_TREE as lambda_tparms
to tsubst_template_decl.
(tsubst_lambda_expr): For a generic lambda, substitute
DECL_TEMPLATE_PARMS and set current_template_parms to it
before substituting the function type. Pass the substituted
DECL_TEMPLATE_PARMS as lambda_tparms to tsubst_template_decl.
2023-05-07 Patrick Palka <ppalka@redhat.com>
PR c++/109480
* semantics.cc (enforce_access): Check current_template_parms
instead of processing_template_decl when deciding whether to
defer the access check.
2023-05-07 Patrick Palka <ppalka@redhat.com>
PR c++/109480
* constexpr.cc (potential_constant_expression_1) <case CALL_EXPR>:
Reorganize to call get_fns sooner. Remove special handling of
the object argument of a non-static member function call. Remove
dead store to 'fun'.
2023-05-05 Jason Merrill <jason@redhat.com>
Revert:
2023-04-27 Jason Merrill <jason@redhat.com>
PR c++/61445
* pt.cc (instantiate_decl): Assert !defer_ok for local
class members.
2023-05-03 Jason Merrill <jason@redhat.com>
PR c++/91618
PR c++/109649
* friend.cc (do_friend): Don't call check_explicit_specialization if
DECL_TEMPLATE_INFO is already set.
* decl2.cc (check_classfn): Set DECL_TEMPLATE_INFO.
* name-lookup.cc (set_decl_namespace): Likewise.
2023-05-03 Jakub Jelinek <jakub@redhat.com>
* cp-gimplify.cc (cp_fold_data): Move definition earlier.
(cp_gimplify_expr): Pass address of ff_genericize | ff_mce_false
constructed data rather than &pset to cp_walk_tree with cp_fold_r.
2023-05-03 Jason Merrill <jason@redhat.com>
* pt.cc (reduce_template_parm_level): Fix comparison of
template template parm to cached version.
2023-05-02 Jason Merrill <jason@redhat.com>
* pt.cc (instantiate_class_template): Skip the RECORD_TYPE
of a class template.
(tsubst_template_decl): Clear CLASSTYPE_USE_TEMPLATE.
2023-05-02 Jason Merrill <jason@redhat.com>
* name-lookup.cc (pop_from_top_level): Don't
invalidate_class_lookup_cache.
2023-05-02 Jason Merrill <jason@redhat.com>
PR c++/109678
* cp-tree.h (lookup_base): Add offset parm.
* constexpr.cc (cxx_fold_indirect_ref_1): Pass it.
* search.cc (struct lookup_base_data_s): Add offset.
(dfs_lookup_base): Handle it.
(lookup_base): Pass it.
2023-05-02 Jason Merrill <jason@redhat.com>
PR c++/109678
* constexpr.cc (cxx_fold_indirect_ref_1): Handle empty base first.
2023-05-01 Jason Merrill <jason@redhat.com>
PR c++/109666
* name-lookup.cc (maybe_push_to_top_level)
(maybe_pop_from_top_level): Split out...
* pt.cc (instantiate_body): ...from here.
* init.cc (maybe_instantiate_nsdmi_init): Use them.
* name-lookup.h: Declare them..
2023-04-28 Eugene Rozenfeld <erozen@microsoft.com>
* Make-lang.in: Merge perf data collected when compiling cc1plus and runtime libraries
2023-04-27 Jason Merrill <jason@redhat.com>
* call.cc (print_conversion_rejection): Use iloc_sentinel.
2023-04-27 Jason Merrill <jason@redhat.com>
PR c++/61445
* pt.cc (instantiate_decl): Assert !defer_ok for local
class members.
2023-04-26 Jason Merrill <jason@redhat.com>
* init.cc (nsdmi_inst): Remove.
(maybe_instantiate_nsdmi_init): Use DECL_INITIAL instead.
2023-04-26 Jason Merrill <jason@redhat.com>
PR c++/109241
* pt.cc (instantiate_class_template): Do partially instantiate.
(tsubst_expr): Do call complete_type for partial instantiations.
2023-04-26 Jason Merrill <jason@redhat.com>
PR c++/69836
* pt.cc (regenerate_decl_from_template): Skip unique friends.
2023-04-26 Patrick Palka <ppalka@redhat.com>
* pt.cc (most_specialized_partial_spec): Exit early when
DECL_TEMPLATE_SPECIALIZATIONS is empty. Move local variable
declarations closer to their first use. Remove redundant
flag_concepts test. Remove redundant forward declaration.
2023-04-25 Patrick Palka <ppalka@redhat.com>
PR c++/108975
* pt.cc (value_dependent_expression_p) <case VAR_DECL>:
Suppress conservative early exit for reference variables
when DECL_HAS_VALUE_EXPR_P.
2023-04-25 Tobias Burnus <tobias@codesourcery.com>
* parser.cc (cp_parser_omp_scan_loop_body): Handle
zero exec statements before/after 'omp scan'.
2023-04-24 Patrick Palka <ppalka@redhat.com>
* cp-tree.h (cp_expr_location): Define here.
* tree.cc (cp_expr_location): Don't define here.
2023-04-21 Jason Merrill <jason@redhat.com>
PR c++/108099
* decl.cc (grokdeclarator): Don't clear typedef_decl after 'unsigned
typedef' pedwarn. Use c_common_signed_or_unsigned_type. Also
handle 'signed typedef'.
2023-04-21 Patrick Palka <ppalka@redhat.com>
* tree.cc (cp_walk_subtrees): Avoid repeatedly dereferencing tp.
<case DECLTYPE_TYPE>: Use cp_unevaluated and WALK_SUBTREE.
<case ALIGNOF_EXPR etc>: Likewise.
2023-04-20 Patrick Palka <ppalka@redhat.com>
* pt.cc (tsubst) <case TEMPLATE_TYPE_PARM>: Don't recurse when
level lowering a cv-qualified type template parameter. Remove
recursive loop breaker in the level lowering case for constrained
autos. Use the TEMPLATE_PARM_DESCENDANTS cache in this case as
well.
2023-04-20 Patrick Palka <ppalka@redhat.com>
* constraint.cc (diagnose_trait_expr): Convert a TREE_VEC
of arguments into a TREE_LIST for sake of pretty printing.
* cxx-pretty-print.cc (pp_cxx_trait): Handle TREE_VEC
instead of TREE_LIST of trailing variadic trait arguments.
* method.cc (constructible_expr): Likewise.
(is_xible_helper): Likewise.
* parser.cc (cp_parser_trait): Represent trailing variadic trait
arguments as a TREE_VEC instead of TREE_LIST.
* pt.cc (value_dependent_expression_p): Handle TREE_VEC
instead of TREE_LIST of trailing variadic trait arguments.
* semantics.cc (finish_type_pack_element): Likewise.
(check_trait_type): Likewise.
2023-04-20 Patrick Palka <ppalka@redhat.com>
* tree.cc (strip_typedefs): Move TREE_LIST handling to
strip_typedefs_expr. Dispatch to strip_typedefs_expr for
non-type 't'.
<case TYPENAME_TYPE>: Remove manual dispatching to
strip_typedefs_expr.
<case TRAIT_TYPE>: Likewise.
(strip_typedefs_expr): Replaces calls to strip_typedefs_expr
with strip_typedefs throughout. Don't dispatch to strip_typedefs
for type 't'.
<case TREE_LIST>: Replace this with the better version from
strip_typedefs.
2023-04-19 Patrick Palka <ppalka@redhat.com>
Jonathan Wakely <jwakely@redhat.com>
PR c++/100157
* cp-trait.def (TYPE_PACK_ELEMENT): Define.
* cp-tree.h (finish_trait_type): Add complain parameter.
* cxx-pretty-print.cc (pp_cxx_trait): Handle
CPTK_TYPE_PACK_ELEMENT.
* parser.cc (cp_parser_constant_expression): Document default
arguments.
(cp_parser_trait): Handle CPTK_TYPE_PACK_ELEMENT. Pass
tf_warning_or_error to finish_trait_type.
* pt.cc (tsubst) <case TRAIT_TYPE>: Handle non-type first
argument. Pass complain to finish_trait_type.
* semantics.cc (finish_type_pack_element): Define.
(finish_trait_type): Add complain parameter. Handle
CPTK_TYPE_PACK_ELEMENT.
* tree.cc (strip_typedefs): Handle non-type first argument.
Pass tf_warning_or_error to finish_trait_type.
* typeck.cc (structural_comptypes) <case TRAIT_TYPE>: Use
cp_tree_equal instead of same_type_p for the first argument.
2023-04-19 Patrick Palka <ppalka@redhat.com>
PR c++/109556
* pt.cc (try_class_unification): Don't ggc_free the copy of
'targs'.
2023-04-19 Jason Merrill <jason@redhat.com>
PR c++/108099
* decl.cc (grokdeclarator): Keep typedef_decl for __int128_t.
2023-04-17 Patrick Palka <ppalka@redhat.com>
PR c++/109531
* pt.cc (tsubst) <case BOUND_TEMPLATE_TEMPLATE_PARM>:
In the level-lowering case just use lookup_template_class
to rebuild the bound ttp.
2023-04-15 Jason Merrill <jason@redhat.com>
PR c++/109357
* constexpr.cc (cxx_eval_constant_expression) [TARGET_EXPR]:
Check for complex initializer.
2023-04-13 Patrick Palka <ppalka@redhat.com>
PR c++/109420
* decl.cc (make_typename_type): Also ignore non-types during the
lookup if tag_type corresponds to an elaborated-type-specifier.
* pt.cc (tsubst) <case TYPENAME_TYPE>: Pass class_type or
enum_type as tag_type to make_typename_type accordingly instead
of always passing typename_type.
2023-04-13 Jason Merrill <jason@redhat.com>
PR c++/109277
* semantics.cc (check_trait_type): Handle incomplete type directly.
* typeck2.cc (cxx_incomplete_type_diagnostic): Remove assert.
2023-04-13 Jason Merrill <jason@redhat.com>
* typeck2.cc (cxx_incomplete_type_diagnostic): Return bool.
* cp-tree.h (cxx_incomplete_type_diagnostic): Adjust.
2023-04-12 Jakub Jelinek <jakub@redhat.com>
* Make-lang.in (s-cp-module-version): New target.
(cp/module.o): Depend on it.
(MODULE_VERSION): Remove variable.
(CFLAGS-cp/module.o): For -DMODULE_VERSION= argument just
cat s-cp-module-version.
2023-04-09 Iain Sandoe <iain@sandoe.co.uk>
* coroutines.cc (coro_rewrite_function_body): Ensure that added
bind expressions have scope blocks.
2023-04-04 Jason Merrill <jason@redhat.com>
PR c++/107484
* decl2.cc (find_last_decl): Return early if DECL_USE_TEMPLATE.
2023-04-03 Patrick Palka <ppalka@redhat.com>
PR c++/109300
* decl.cc (cp_finish_decl): Diagnose ordinary auto deduction
with no initializer, instead of asserting.
2023-04-01 Patrick Palka <ppalka@redhat.com>
PR c++/109160
* cp-tree.h (do_auto_deduction): Add defaulted tmpl parameter.
* pt.cc (convert_template_argument): Pass 'in_decl' as 'tmpl' to
do_auto_deduction.
(tsubst_decl) <case VAR_/TYPE_DECL>: Pass 'tmpl' instead of 't' as
'in_decl' to coerce_template_parms.
(unify) <case TEMPLATE_PARM_INDEX>: Pass TPARMS_PRIMARY_TEMPLATE
as 'tmpl' to do_auto_deduction.
(do_auto_deduction): Document default arguments. Rename local
variable 'tmpl' to 'ctmpl'. Use 'tmpl' to obtain a full set of
template arguments for satisfaction in the adc_unify case.
2023-04-01 Patrick Palka <ppalka@redhat.com>
PR c++/53164
PR c++/105848
* pt.cc (invalid_tparm_referent_p): Accept ADDR_EXPR of
FUNCTION_DECL.
(instantiate_class_template): Call mark_template_arguments_used.
(tsubst_copy_and_build) <case CALL_EXPR>: Revert r13-995 change.
(mark_template_arguments_used): Define.
(instantiate_body): Call mark_template_arguments_used.
2023-04-01 Iain Sandoe <iain@sandoe.co.uk>
PR c++/101118
* coroutines.cc (flatten_await_stmt): Use the current count of
promoted temporaries to build a unique name for the frame entries.
2023-03-30 Jason Merrill <jason@redhat.com>
PR c++/105452
* search.cc (type_context_for_name_lookup): New.
(accessible_p): Handle anonymous union.
* init.cc (maybe_instantiate_nsdmi_init): Use
type_context_for_name_lookup.
* parser.cc (cp_parser_class_specifier): Likewise.
* cp-tree.h (type_context_for_name_lookup): Declare.
2023-03-30 Jason Merrill <jason@redhat.com>
PR c++/105221
* pt.cc (unify) [FUNCTION_TYPE]: Handle function pointer
conversions.
2023-03-30 Jakub Jelinek <jakub@redhat.com>
PR c++/109319
* decl2.cc (grok_array_decl): After emitting a pedwarn for
-Wcomma-subscript, if processing_template_decl set orig_index_exp
to compound expr from orig_index_exp_list.
2023-03-30 Jason Merrill <jason@redhat.com>
PR c++/107897
PR c++/108887
* decl2.cc (record_mangling): Use symtab_node::reset.
2023-03-30 Jakub Jelinek <jakub@redhat.com>
PR c++/109278
* call.cc (convert_like_internal): If pedwarn for extended float
type conversions doesn't report anything, avoid calling
maybe_inform_about_fndecl_for_bogus_argument_init.
2023-03-29 Jason Merrill <jason@redhat.com>
PR c++/109321
PR c++/109320
* pt.cc (alias_ctad_tweaks): Rewrite deduced args.
(type_targs_deducible_from): Handle null pack deduction.
2023-03-28 David Malcolm <dmalcolm@redhat.com>
PR c/107002
* parser.cc (cp_parser_binary_expression): Update for new param of
check_for_xor_used_as_pow.
2023-03-28 Jakub Jelinek <jakub@redhat.com>
PR c++/109309
* contracts.cc: Include intl.h.
(check_postcondition_result): Don't form diagnostics from two halves
of an English message to allow translations.
2023-03-24 Patrick Palka <ppalka@redhat.com>
PR c++/106969
* parser.cc (cp_parser_class_specifier): Clear current_class_ptr
and current_class_ref sooner, before parsing a class definition.
2023-03-24 Jason Merrill <jason@redhat.com>
PR c++/105481
* pt.cc (type_unification_real): Adjust for partial ordering.
2023-03-23 Jason Merrill <jason@redhat.com>
PR c++/105996
* typeck.cc (build_ptrmemfunc): Drop 0-offset optimization
and location wrappers.
2023-03-23 Marek Polacek <polacek@redhat.com>
PR c++/107532
* call.cc (class_has_reference_member_p): New.
(class_has_reference_member_p_r): New.
(reference_like_class_p): Don't look for a specific constructor.
Use a DFS walk with class_has_reference_member_p_r.
2023-03-23 Jason Merrill <jason@redhat.com>
PR c++/109241
* pt.cc (find_parameter_packs_r): Handle null TREE_BINFO.
2023-03-22 Jason Merrill <jason@redhat.com>
PR c++/108390
* pt.cc (unify): Use fold of build_nop instead of fold_convert.
2023-03-22 Jason Merrill <jason@redhat.com>
PR c++/108795
* semantics.cc (finish_id_expression_1): Check scope before
returning id_expression.
2023-03-22 Alex Coplan <alex.coplan@arm.com>
PR c++/109177
* call.cc (build_over_call): Use make_temp_override to suppress
both unavailable and deprecated warnings when calling
build_addr_func.
2023-03-21 Jason Merrill <jason@redhat.com>
PR c++/106890
* init.cc (maybe_instantiate_nsdmi_init): Don't leave
current_function_decl set to a constructor.
2023-03-20 Marek Polacek <polacek@redhat.com>
PR c++/109159
* call.cc (add_template_candidate_real): Add explicit decls to the
set of candidates when the initializer is a braced-init-list.
2023-03-20 Jakub Jelinek <jakub@redhat.com>
PR c++/109164
* cp-tree.h (var_needs_tls_wrapper): Declare.
* decl2.cc (var_needs_tls_wrapper): No longer static.
* decl.cc (cp_finish_decl): Clear TREE_READONLY on TLS variables
for which a TLS wrapper will be needed.
2023-03-17 Jason Merrill <jason@redhat.com>
PR c++/108975
* lambda.cc (prune_lambda_captures): Don't bother in a template.
2023-03-17 Jason Merrill <jason@redhat.com>
PR c++/109172
* except.cc (build_throw): Check dtor access.
2023-03-17 Jason Merrill <jason@redhat.com>
PR c++/69410
* friend.cc (do_friend): Handle namespace as scope argument.
* decl.cc (grokdeclarator): Pass down in_namespace.
2023-03-16 Jason Merrill <jason@redhat.com>
PR c++/105809
* init.cc (get_nsdmi): Split out...
(maybe_instantiate_nsdmi_init): ...this function.
* cp-tree.h: Declare it.
* pt.cc (tsubst_expr): Use it.
2023-03-16 Jason Merrill <jason@redhat.com>
PR c++/108242
* pt.cc (tsubst_expr) [TAG_DEFN]: Handle partial instantiation.
2023-03-16 Jason Merrill <jason@redhat.com>
PR c++/101869
* semantics.cc (finish_qualified_id_expr): Don't try to build a
pointer-to-member if the scope is an enumeration.
2023-03-16 Patrick Palka <ppalka@redhat.com>
PR c++/109030
* constexpr.cc (maybe_constant_init_1): For an unevaluated
non-manifestly-constant operand, don't constant evaluate
and instead call fold_to_constant as in maybe_constant_value.
2023-03-16 Patrick Palka <ppalka@redhat.com>
PR c++/100288
* constraint.cc (satisfaction_cache::get): Relax overly strict
checking assert in the constraint recursion case.
2023-03-16 Jason Merrill <jason@redhat.com>
PR c++/105406
* coroutines.cc (build_co_await): Handle lvalue 'o'.
2023-03-15 Jason Merrill <jason@redhat.com>
PR c++/103871
PR c++/98056
* typeck.cc (cp_build_modify_expr): Allow array initialization of
DECL_ARTIFICIAL variable.
2023-03-15 Marek Polacek <polacek@redhat.com>
PR c++/107280
* constexpr.cc (cxx_eval_store_expression): Strip location wrappers.
2023-03-15 Jason Merrill <jason@redhat.com>
PR c++/58538
* semantics.cc (check_template_template_default_arg): Check
maybe_get_template_decl_from_type_decl.
2023-03-15 Jason Merrill <jason@redhat.com>
PR c++/108179
PR c++/104107
PR c++/95036
* pt.cc (coerce_template_template_parms): Use args from
DECL_CONTEXT (arg_tmpl) instead of outer_args.
2023-03-15 Jason Merrill <jason@redhat.com>
PR c++/108179
* pt.cc (coerce_template_template_parms): Take the arg and parm
templates directly.
(coerce_template_template_parm): Adjust.
(template_template_parm_bindings_ok_p): Adjust.
(convert_template_argument): Adjust.
2023-03-14 Patrick Palka <ppalka@redhat.com>
PR c++/96830
* pt.cc (push_inline_template_parms_recursive): Set
TEMPLATE_PARMS_CONSTRAINTS.
(push_template_decl): For an out-of-line declaration, verify
constraints for each enclosing template scope match those of the
original template declaratation.
2023-03-14 Patrick Palka <ppalka@redhat.com>
PR c++/96830
* pt.cc (redeclare_class_template): Add missing "of" in
constraint mismatch diagnostic.
(tsubst_friend_class): For an already declared class template,
substitute and pass the friend declaration's constraints to
redeclare_class_template instead of passing the existing
template's constraints.
2023-03-14 Jason Merrill <jason@redhat.com>
PR c++/108468
* pt.cc (unify_pack_expansion): Check that TPARMS_PRIMARY_TEMPLATE
is non-null.
2023-03-14 Jason Merrill <jason@redhat.com>
PR c++/107310
* cp-gimplify.cc (genericize_if_stmt): Restore folding
of constant conditions.
2023-03-14 Jakub Jelinek <jakub@redhat.com>
PR c++/109096
* tree.cc (record_has_unique_obj_representations): Ignore unnamed
bitfields.
2023-03-13 Jason Merrill <jason@redhat.com>
PR c++/107128
* parser.cc (cp_parser_set_decl_spec_type): Use
redefined_builtin_type for extended_float_type_p.
2023-03-13 Marek Polacek <polacek@redhat.com>
PR c++/107532
* call.cc (reference_like_class_p): Check for std::span.
2023-03-10 Jakub Jelinek <jakub@redhat.com>
PR c++/107558
* decl.cc (cp_finish_decl): Don't clear TREE_READONLY on
automatic non-aggregate variables just because of
-fmerge-all-constants.
2023-03-10 Jakub Jelinek <jakub@redhat.com>
PR c++/109039
* class.cc (end_of_class): For bit-fields, instead of computing
offset as sum of byte_position (field) and DECL_SIZE_UNIT (field),
compute it as sum of bit_position (field) and DECL_SIZE (field)
divided by BITS_PER_UNIT rounded up.
2023-03-10 Jason Merrill <jason@redhat.com>
PR c++/108972
* lambda.cc (compare_lambda_template_head): Check more
for error_mark_node.
2023-03-10 Jason Merrill <jason@redhat.com>
PR c++/108566
* mangle.cc (anon_aggr_naming_decl): New.
(write_unqualified_name): Use it.
2023-03-10 Jakub Jelinek <jakub@redhat.com>
PR c/108079
* decl.cc (poplevel): Suppress OPT_Wunused_variable warning
after diagnosing it.
2023-03-10 Jason Merrill <jason@redhat.com>
PR c++/108099
* decl.cc (grokdeclarator): Handle non-typedef typedef_decl.
2023-03-10 Jason Merrill <jason@redhat.com>
PR c++/108542
* class.cc (instantiate_type): Strip location wrapper.
2023-03-09 Jason Merrill <jason@redhat.com>
PR c++/108773
* init.cc (find_allocator_temps_r): New.
(combine_allocator_temps): Replace find_allocator_temp.
(build_vec_init): Adjust.
2023-03-09 Jason Merrill <jason@redhat.com>
DR 2664
PR c++/102529
* pt.cc (alias_ctad_tweaks): Continue after deduction failure.
2023-03-09 Jason Merrill <jason@redhat.com>
Michael Spertus <mike@spertus.com>
PR c++/105841
* pt.cc (corresponding_template_parameter_list): Split out...
(corresponding_template_parameter): ...from here.
(find_template_parameters): Factor out...
(find_template_parameter_info::find_in): ...this function.
(find_template_parameter_info::find_in_recursive): New.
(find_template_parameter_info::found): New.
(alias_ctad_tweaks): Only add parms used in the deduced args.
2023-03-09 Jason Merrill <jason@redhat.com>
* cp-trait.def (IS_DEDUCIBLE): Add space to name.
2023-03-09 Jason Merrill <jason@redhat.com>
PR c++/105841
* cp-trait.def (IS_DEDUCIBLE): New.
* cxx-pretty-print.cc (pp_cxx_trait): Handle non-type.
* parser.cc (cp_parser_trait): Likewise.
* tree.cc (cp_tree_equal): Likewise.
* pt.cc (tsubst_copy_and_build): Likewise.
(type_targs_deducible_from): New.
(alias_ctad_tweaks): Use it.
* semantics.cc (trait_expr_value): Handle CPTK_IS_DEDUCIBLE.
(finish_trait_expr): Likewise.
* constraint.cc (diagnose_trait_expr): Likewise.
* cp-tree.h (type_targs_deducible_from): Declare.
2023-03-07 Jason Merrill <jason@redhat.com>
PR c++/108526
PR c++/106651
* pt.cc (tsubst_function_decl): Don't replace the closure
parameter if DECL_STATIC_FUNCTION_P.
2023-03-07 Marek Polacek <polacek@redhat.com>
PR c++/107532
* call.cc (reference_like_class_p): New.
(do_warn_dangling_reference): Add new bool parameter. See through
reference_like_class_p.
2023-03-07 Jakub Jelinek <jakub@redhat.com>
PR c++/109042
* rtti.cc (emit_support_tinfo_1): Don't assert that last
unemitted_tinfo_decls element is tinfo, instead pop from it only in
that case.
* decl2.cc (c_parse_final_cleanups): Don't call emit_tinfo_decl
for unemitted_tinfO_decls which have already non-NULL DECL_INITIAL.
2023-03-07 Marek Polacek <polacek@redhat.com>
PR c++/109030
* constexpr.cc (cxx_eval_call_expression): Relax assert.
2023-03-07 Marek Polacek <polacek@redhat.com>
PR c++/107939
* constexpr.cc (potential_constant_expression_1) <case CALL_EXPR>: Pass
'any' when recursing on a VAR_DECL and not a pointer to function.
2023-03-04 Jakub Jelinek <jakub@redhat.com>
PR c++/108702
* constexpr.cc: Include toplev.h.
(cxx_eval_constant_expression) <case DECL_EXPR>: When seeing a local
static initialized by constant expression outside of a constexpr
function which has been deferred by make_rtl_for_nonlocal_decl,
call rest_of_decl_compilation on it.
2023-03-03 Patrick Palka <ppalka@redhat.com>
PR c++/108998
* pt.cc (el_data::skipped_trees): New data member.
(extract_locals_r): Push to skipped_trees any unevaluated
contexts that we skipped over.
(extract_local_specs): For the second walk, start from each
tree in skipped_trees.
2023-03-03 Alexandre Oliva <oliva@adacore.com>
* typeck.cc (cp_build_binary_op): Suppress redundant warning
for pfn null test in pmfn test with vbit-in-delta.
2023-03-02 Jakub Jelinek <jakub@redhat.com>
PR target/108883
* cp-tree.h (enum cp_tree_index): Remove CPTI_FALLBACK_DFLOAT*_TYPE
enumerators.
(fallback_dfloat32_type, fallback_dfloat64_type,
fallback_dfloat128_type): Remove.
* rtti.cc (emit_support_tinfo_1): If not emitted already, call
emit_tinfo_decl and remove from unemitted_tinfo_decls right away.
(emit_support_tinfos): Move &dfloat*_type_node from fundamentals array
into new fundamentals_with_fallback array. Call emit_support_tinfo_1
on elements of that array too, with the difference that if
the type is NULL, use a fallback REAL_TYPE for it temporarily.
Drop the !targetm.decimal_float_supported_p () handling. Call
targetm.emit_support_tinfos at the end.
* mangle.cc (write_builtin_type): Remove references to
fallback_dfloat*_type. Handle bfloat16_type_node mangling.
2023-03-02 Patrick Palka <ppalka@redhat.com>
PR c++/108243
PR c++/97553
* cp-gimplify.cc (cp_fully_fold): Add an internal overload that
additionally takes and propagate an mce_value parameter, and
define the existing public overload in terms of it.
(cp_fully_fold_init): Pass mce_false to cp_fully_fold.
2023-03-02 Patrick Palka <ppalka@redhat.com>
PR c++/108243
* constexpr.cc (maybe_constant_init_1): Override
manifestly_const_eval to true if is_static.
2023-03-02 Jakub Jelinek <jakub@redhat.com>
PR debug/108716
* cp-gimplify.cc (cp_genericize_r) <case USING_STMT>: Set
DECL_SOURCE_LOCATION on IMPORTED_DECL to expression location
of USING_STMT or input_location.
2023-03-02 Marek Polacek <polacek@redhat.com>
PR c++/106259
* parser.cc (class_decl_loc_t::diag_mismatched_tags): If the first
lookup of SPEC didn't find anything, try to look for
most_general_template.
2023-03-02 Jakub Jelinek <jakub@redhat.com>
PR c++/105839
* parser.cc (cp_convert_omp_range_for): Allow in assert
decomp_first_name without DECL_HAS_VALUE_EXPR_P if it has
error_mark_node type.
(cp_finish_omp_range_for): Don't set DECL_HAS_VALUE_EXPR_P back
on decls which have error_mark_node type.
2023-03-01 Marek Polacek <polacek@redhat.com>
PR c++/107574
* constexpr.cc (cxx_eval_constant_expression): Emit an error when
a PTRMEM_CST cannot be evaluated.
2023-03-01 Patrick Palka <ppalka@redhat.com>
* pt.cc (tsubst_scope): Define.
(tsubst_decl) <case USING_DECL>: Call tsubst_scope instead of
calling tsubst_scope with tf_qualifying_scope set.
(tsubst_qualified_id): Call tsubst_scope instead of
calling tsubst with tf_qualifying_scope set.
(tsubst_copy): Immediately delegate to tsubst for all TYPE_P
trees. Remove tf_qualifying_scope manipulation.
<case SCOPE_REF>: Call tsubst_scope instead of calling
tsubst with tf_qualifying_scope set.
2023-03-01 Patrick Palka <ppalka@redhat.com>
Jason Merrill <jason@redhat.com>
PR c++/108219
PR c++/108218
* constexpr.cc (fold_to_constant): Define.
(maybe_constant_value): Move up early exit test for unevaluated
operands. Try reducing an unevaluated operand to a constant via
fold_to_constant.
(fold_non_dependent_expr_template): Add early exit test for
CONSTANT_CLASS_P nodes. Try reducing an unevaluated operand
to a constant via fold_to_constant.
* cp-tree.h (fold_to_constant): Declare.
2023-03-01 Jakub Jelinek <jakub@redhat.com>
PR c++/108606
* constexpr.cc (potential_constant_expression_1) <case DECL_EXPR>:
Only recurse on DECL_INITIAL (tmp) if tmp is a VAR_DECL, otherwise
just return true.
2023-02-28 Patrick Palka <ppalka@redhat.com>
PR c++/108848
* pt.cc (finish_template_variable): Move dependence check
to here from ...
(lookup_and_finish_template_variable): ... here.
* semantics.cc (finish_id_expression_1): Call
finish_template_variable sooner, before (and regardless of) the
type_dependent_expression_p test.
2023-02-28 Marek Polacek <polacek@redhat.com>
PR c++/108550
* pt.cc (lookup_and_finish_template_variable): Clear tf_partial.
2023-02-20 Marek Polacek <polacek@redhat.com>
PR c++/101073
* constexpr.cc (cxx_eval_call_expression): Replace shortcutting trivial
constructor/op= with a checking assert.
2023-02-20 Marek Polacek <polacek@redhat.com>
PR c++/108829
* pt.cc (prepend_one_capture): Set LAMBDA_CAPTURE_EXPLICIT_P.
(tsubst_lambda_expr): Pass LAMBDA_CAPTURE_EXPLICIT_P to
prepend_one_capture.
2023-02-18 Jason Merrill <jason@redhat.com>
DR 2518
PR c++/52809
PR c++/53638
PR c++/87389
PR c++/89741
PR c++/92099
PR c++/104041
PR c++/104691
* semantics.cc (finish_static_assert): Don't diagnose in
template context.
2023-02-17 Patrick Palka <ppalka@redhat.com>
PR c++/108243
PR c++/97553
* cp-gimplify.cc (enum fold_flags): Define.
(fold_flags_t): Declare.
(cp_fold_data::genericize): Replace this data member with ...
(cp_fold_data::fold_flags): ... this.
(cp_fold_r): Adjust use of cp_fold_data and calls to cp_fold.
(cp_fold_function): Likewise.
(cp_fold_maybe_rvalue): Add an internal overload that
additionally takes and propagates a fold_flags_t parameter, and
define the existing public overload in terms of it.
(cp_fold_rvalue): Likewise.
(cp_fully_fold_init): Adjust use of cp_fold_data.
(fold_cache): Replace with ...
(fold_caches): ... this 2-element array of caches.
(get_fold_cache): Define.
(clear_fold_cache): Adjust.
(cp_fold): Add fold_flags_t parameter. Use get_fold_cache.
Pass flags to calls to cp_fold, cp_fold_rvalue and
cp_fold_maybe_rvalue.
<case CALL_EXPR>: If ff_mce_false is set, fold
__builtin_is_constant_evaluated to false and pass mce_false to
maybe_constant_value.
2023-02-17 Patrick Palka <ppalka@redhat.com>
* constexpr.cc (constexpr_call::manifestly_const_eval): Give
it type int instead of bool.
(constexpr_ctx::manifestly_const_eval): Give it type mce_value
instead of bool.
(cxx_eval_builtin_function_call): Adjust after making
manifestly_const_eval tri-state.
(cxx_eval_call_expression): Likewise.
(cxx_eval_binary_expression): Likewise.
(cxx_eval_conditional_expression): Likewise.
(cxx_eval_constant_expression): Likewise.
(cxx_eval_outermost_constant_expr): Likewise.
(cxx_constant_value): Likewise.
(cxx_constant_dtor): Likewise.
(maybe_constant_value): Give manifestly_const_eval parameter
type mce_value instead of bool and adjust accordingly.
(fold_non_dependent_expr_template): Adjust call
to cxx_eval_outermost_constant_expr.
(fold_non_dependent_expr): Likewise.
(maybe_constant_init_1): Likewise.
* constraint.cc (satisfy_atom): Adjust call to
maybe_constant_value.
* cp-tree.h (enum class mce_value): Define.
(maybe_constant_value): Adjust manifestly_const_eval parameter
type and default argument.
* decl.cc (compute_array_index_type_loc): Adjust call to
maybe_constant_value.
* pt.cc (convert_nontype_argument): Likewise.
2023-02-16 Patrick Palka <ppalka@redhat.com>
PR c++/107773
* cp-tree.h (enum tsubst_flags): New flag tf_qualifying_scope.
* decl.cc (make_typename_type): Use lookup_member instead of
lookup_field. If tf_qualifying_scope is set, pass want_type=true
instead of =false to lookup_member. Generalize format specifier
in diagnostic to handle both type and non-type bindings.
* pt.cc (tsubst_aggr_type_1): Clear tf_qualifying_scope. Tidy
the function.
(tsubst_decl) <case USING_DECL>: Set tf_qualifying_scope when
substituting USING_DECL_SCOPE.
(tsubst): Clear tf_qualifying_scope right away and remember if
it was set. Do the same for tf_tst_ok sooner.
<case TYPENAME_TYPE>: Set tf_qualifying_scope when substituting
TYPE_CONTEXT. Pass tf_qualifying_scope to make_typename_type
if it was set.
(tsubst_qualified_id): Set tf_qualifying_scope when substituting
the scope.
(tsubst_copy): Clear tf_qualifying_scope and remember if it was
set.
<case SCOPE_REF>: Set tf_qualifying_scope when substituting the
scope.
<case *_TYPE>: Pass tf_qualifying_scope to tsubst if it was set.
* search.cc (lookup_member): Document default argument.
2023-02-16 Patrick Palka <ppalka@redhat.com>
* cp-tree.h: Mechanically drop static from static inline
functions via s/^static inline/inline/g.
2023-02-15 Marek Polacek <polacek@redhat.com>
PR c++/106675
* call.cc (joust_maybe_elide_copy): Return false for ck_ambig.
2023-02-10 Marek Polacek <polacek@redhat.com>
PR c++/107079
* call.cc (set_up_extended_ref_temp): Pass var to maybe_constant_init.
2023-02-09 Tobias Burnus <tobias@codesourcery.com>
* parser.cc (cp_parser_omp_allocate): Parse align
clause and check for restrictions.
2023-02-09 Jakub Jelinek <jakub@redhat.com>
PR c++/108698
* mangle.cc (write_expression, write_template_arg): Handle
EXCESS_PRECISION_EXPR with REAL_CST operand as
write_template_arg_literal on fold_convert of the REAL_CST
to EXCESS_PRECISION_EXPR type.
2023-02-06 Patrick Palka <ppalka@redhat.com>
PR c++/107461
* cp-tree.h (call_expr_dependent_name): Declare.
* pt.cc (iterative_hash_template_arg) <case CALL_EXPR>: Use
call_expr_dependent_name instead of dependent_name.
* tree.cc (call_expr_dependent_name): Define.
(called_fns_equal): Adjust to take two CALL_EXPRs instead of
CALL_EXPR_FNs thereof. Use call_expr_dependent_name instead
of dependent_name.
(cp_tree_equal) <case CALL_EXPR>: Adjust call to called_fns_equal.
2023-02-03 Marek Polacek <polacek@redhat.com>
PR c++/108158
* constexpr.cc (cxx_eval_array_reference): Don't replace
new_ctx.object.
2023-02-03 Patrick Palka <ppalka@redhat.com>
PR c++/107461
* semantics.cc (finish_call_expr): Strip ADDR_EXPR from
the selected callee during overload set pruning.
2023-02-03 Patrick Palka <ppalka@redhat.com>
PR c++/96745
* class.cc (check_methods): Diagnose an unviable OVERLOAD
set for CLASSTYPE_DESTRUCTOR differently from an ambiguous one.
Then prune the OVERLOAD to a single function.
(check_bases_and_members): Handle CLASSTYPE_DESTRUCTOR being
an OVERLOAD when calling deduce_noexcept_on_destructor.
Document why it has to be called before check_methods.
2023-02-03 Patrick Palka <ppalka@redhat.com>
PR c++/108579
* class.cc (check_methods): Swap order of constraints_satisfied_p
and copy/move_fn_p tests.
2023-02-01 Marek Polacek <polacek@redhat.com>
PR c++/107755
* call.cc (build_new_op): Don't call warn_logical_operator when
processing a template.
2023-02-01 Jakub Jelinek <jakub@redhat.com>
PR c++/108607
* constexpr.cc (cxx_eval_constant_expression): Handle OMP_*
and OACC_* constructs as non-constant.
(potential_constant_expression_1): Handle OMP_SCAN and OMP_SCOPE.
2023-02-01 Jason Merrill <jason@redhat.com>
* class.cc (note_name_declared_in_class): Change from permerror to
-Wchanges-meaning pedwarn, forcing -pedantic-errors for most cases.
2023-01-31 Jason Merrill <jason@redhat.com>
PR c++/108559
* cp-gimplify.cc (any_non_eliding_target_exprs): New.
(cp_genericize_init): Check it.
2023-01-31 Marek Polacek <polacek@redhat.com>
PR c++/107593
PR c++/108597
* cp-tree.h (instantiation_dependent_expression_p): Don't
declare here.
2023-01-26 Marek Polacek <polacek@redhat.com>
PR c++/105300
* parser.cc: Remove unnecessary forward declarations.
(cp_parser_string_literal): New wrapper.
(cp_parser_string_literal_common): Renamed from
cp_parser_string_literal. Add a bool parameter. Give an error when
UDLs are not permitted.
(cp_parser_userdef_string_literal): New wrapper.
(finish_userdef_string_literal): Renamed from
cp_parser_userdef_string_literal.
(cp_parser_primary_expression): Call cp_parser_userdef_string_literal
instead of cp_parser_string_literal.
(cp_parser_linkage_specification): Move a variable declaration closer
to its first use.
(cp_parser_static_assert): Likewise.
(cp_parser_operator): Call cp_parser_userdef_string_literal instead of
cp_parser_string_literal.
(cp_parser_asm_definition): Move a variable declaration closer to its
first use.
(cp_parser_asm_specification_opt): Move variable declarations closer to
their first use.
(cp_parser_asm_operand_list): Likewise.
(cp_parser_asm_clobber_list): Likewise.
2023-01-26 Jakub Jelinek <jakub@redhat.com>
PR c++/108503
* parser.cc (cp_convert_omp_range_for): If cp_finish_decomp has been
called in !processing_template_decl with processing_template_decl
temporarily set, clear DECL_HAS_VALUE_EXPR_P on the vars temporarily.
(cp_finish_omp_range_for): And set it back again here.
2023-01-25 Jakub Jelinek <jakub@redhat.com>
PR c++/108525
* mangle.cc (write_closure_type_name): Don't assume all
lambda operator() fns are methods.
2023-01-24 Jason Merrill <jason@redhat.com>
PR c++/108504
* parser.cc (cp_lexer_new_main): Pass C_LEX_STRING_NO_JOIN for first
token, too.
2023-01-24 Jason Merrill <jason@redhat.com>
PR c++/108526
* pt.cc (tsubst_function_decl): Handle static lambda.
2023-01-24 Jakub Jelinek <jakub@redhat.com>
PR c++/108474
* cp-gimplify.cc (cp_fold_r): Revert 2023-01-19 changes.
2023-01-24 Jason Merrill <jason@redhat.com>
PR c++/107303
PR c++/107329
* cp-gimplify.cc (cp_fold_r) [TARGET_EXPR]: In case of double
TARGET_EXPR, keep the outer one instead of the inner one.
(maybe_replace_decl): New.
2023-01-23 Jason Merrill <jason@redhat.com>
PR c++/107267
* cp-gimplify.cc (cp_gimplify_init_expr): Allow unexpected elision
of trivial types.
2023-01-23 Marek Polacek <polacek@redhat.com>
PR c++/107797
* cvt.cc (ocp_convert): copy_warning when creating a new
COMPOUND_EXPR.
* init.cc (build_new_1): Suppress -Wunused-value on
compiler-generated COMPOUND_EXPRs.
2023-01-23 Jason Merrill <jason@redhat.com>
PR c++/108195
* call.cc (build_user_type_conversion_1): Check whether the
iterators also find a list ctor.
2023-01-23 Jason Merrill <jason@redhat.com>
PR c++/108496
* decl.cc (grokdeclarator): Check whether DECL_RESULT is already
set.
2023-01-23 Jason Merrill <jason@redhat.com>
PR c++/53288
DR 1299
* call.cc (extend_ref_init_temps_1): Handle ptrmem expression.
2023-01-19 Jakub Jelinek <jakub@redhat.com>
PR c++/108437
* cp-tree.h (keep_unused_object_arg): Declare.
* call.cc (keep_unused_object_arg): No longer static.
* tree.cc (build_min_non_dep_op_overload): Handle ARRAY_REF
with overload being static member function.
2023-01-19 Jakub Jelinek <jakub@redhat.com>
PR c++/53932
* cp-gimplify.cc (cp_fold_r): During cp_fully_fold_init replace
DECL_ANON_UNION_VAR_P VAR_DECLs with their corresponding
DECL_VALUE_EXPR.
2023-01-16 Jakub Jelinek <jakub@redhat.com>
PR c++/105593
* decl.cc (cp_finish_decl): Check warning_enabled_at
at the DECL_SOURCE_LOCATION (decl) for OPT_Winit_self instead
of warn_init_self.
2023-01-14 Jakub Jelinek <jakub@redhat.com>
PR c++/108365
* typeck.cc (cp_build_binary_op): Use may_shorten_divmod for integral
division or modulo.
2023-01-13 Jakub Jelinek <jakub@redhat.com>
PR c++/108285
* cvt.cc (cp_convert_and_check): For EXCESS_PRECISION_EXPR
use its operand except that for warning purposes use the original
EXCESS_PRECISION_EXPR.
* call.cc (convert_like_internal): Only look through
EXCESS_PRECISION_EXPR when calling cp_convert, not when calling
cp_convert_and_check.
2023-01-09 Jakub Jelinek <jakub@redhat.com>
PR c++/105838
PR c++/108047
PR c++/108266
* call.cc (maybe_init_list_as_range): Always return NULL_TREE if
processing_template_decl.
2023-01-05 Patrick Palka <ppalka@redhat.com>
PR c++/108275
* parser.cc (cp_parser_class_head): Use dk_deferred instead of
dk_no_check when parsing the class name.
2023-01-05 Jakub Jelinek <jakub@redhat.com>
PR c++/108286
* semantics.cc (finish_omp_target_clauses): Ignore clauses other than
OMP_CLAUSE_MAP.
2023-01-04 Patrick Palka <ppalka@redhat.com>
PR c++/108282
* decl2.cc (mark_single_function): Ignore mark_used failure
only in a non-SFINAE context rather than in a SFINAE one.
2023-01-04 Jakub Jelinek <jakub@redhat.com>
PR c++/108206
* decl.cc (merge_default_template_args): Return false if either
new_parm or old_parm are erroneous.
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Copying and distribution of this file, with or without modification,
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