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gnu / gcc / 4bd51903bb2d8a8835ff7c262a530a5dc51b0d07 / . / gcc / cp / ChangeLog
blob: d2b96231fd04e3900565ac001c59d05bf192fb76 [file] [log] [blame]
2019-08-22 Marek Polacek <polacek@redhat.com>
PR c++/91304 - prefix attributes ignored in condition.
* parser.c (cp_parser_condition): Handle prefix attributes.
2019-08-21 Richard Sandiford <richard.sandiford@arm.com>
PR c++/91505
* decl.c (duplicate_decls): Call copy_attributes_to_builtin inside
the BUILT_IN_NORMAL block rather than afterward.
2019-08-19 Marek Polacek <polacek@redhat.com>
PR c++/91264 - detect modifying const objects in constexpr.
* constexpr.c (modifying_const_object_error): New function.
(cxx_eval_call_expression): Set TREE_READONLY on a CONSTRUCTOR of
a const-qualified object after it's been fully constructed.
(modifying_const_object_p): New function.
(cxx_eval_store_expression): Detect modifying a const object
during constant expression evaluation.
(cxx_eval_increment_expression): Use a better location when building
up the store.
(cxx_eval_constant_expression) <case DECL_EXPR>: Mark a constant
object's constructor TREE_READONLY.
2019-08-15 Jason Merrill <jason@redhat.com>
PR c++/90393 - ICE with thow in ?:
PR c++/64372, DR 1560 - Gratuitous lvalue-to-rvalue conversion in ?:
* tree.c (lvalue_kind): Handle throw in one arm.
* typeck.c (rationalize_conditional_expr): Likewise.
(cp_build_modify_expr): Likewise.
2019-08-14 Jason Merrill <jason@redhat.com>
Implement P0848R3, Conditionally Trivial Special Member Functions.
* tree.c (special_memfn_p): New.
* class.c (add_method): When overloading, hide ineligible special
member fns.
(check_methods): Set TYPE_HAS_COMPLEX_* here.
* decl.c (grok_special_member_properties): Not here.
* name-lookup.c (push_class_level_binding_1): Move overloaded
functions case down, accept FUNCTION_DECL as target_decl.
2019-08-14 Jonathan Wakely <jwakely@redhat.com>
PR c++/91436
* name-lookup.c (get_std_name_hint): Fix min_dialect field for
complex_literals and make_unique entries.
2019-08-14 Jakub Jelinek <jakub@redhat.com>
Marek Polacek <polacek@redhat.com>
PR c++/91391 - bogus -Wcomma-subscript warning.
* parser.c (cp_parser_postfix_open_square_expression): Don't warn about
a deprecated comma here. Pass warn_comma_subscript down to
cp_parser_expression.
(cp_parser_expression): New bool parameter. Warn about uses of a comma
operator within a subscripting expression.
(cp_parser_skip_to_closing_square_bracket): Revert to pre-r274121 state.
(cp_parser_skip_to_closing_square_bracket_1): Remove.
2019-08-14 Jonathan Wakely <jwakely@redhat.com>
* name-lookup.c (get_std_name_hint): Add more entries.
2019-08-14 Paolo Carlini <paolo.carlini@oracle.com>
* decl2.c (grok_array_decl): Use the location of the open square
bracket in error message about invalid types.
2019-08-14 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (grokdeclarator): Check here for typedef a function
definition or a member function definition.
(start_function): Adjust.
(grokmethod): Likewise.
2019-08-13 Richard Sandiford <richard.sandiford@arm.com>
PR middle-end/91421
* decl.c (duplicate_decls): Use copy_decl_built_in_function.
* pt.c (declare_integer_pack): Use set_decl_built_in_function.
2019-08-13 Marek Polacek <polacek@redhat.com>
PR c++/90473 - wrong code with nullptr in default argument.
* call.c (null_ptr_cst_p): Update quote from the standard.
* decl.c (check_default_argument): Don't return nullptr when the arg
has side-effects.
2019-08-13 Marek Polacek <polacek@redhat.com>
* cp-tree.h (DECL_MUTABLE_P): Use FIELD_DECL_CHECK.
2019-08-10 Jakub Jelinek <jakub@redhat.com>
* parser.c (cp_parser_omp_clause_name): Parse device_type.
(cp_parser_omp_clause_device_type): New function.
(cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_DEVICE_TYPE.
(OMP_DECLARE_TARGET_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_DEVICE_TYPE.
(cp_parser_omp_declare_target): Handle device_type clauses. Remove
diagnostics for declare target with clauses nested in clause-less
declare target declaration-definition-seq.
* semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_DEVICE_TYPE.
2019-08-09 Jakub Jelinek <jakub@redhat.com>
* parser.c (check_no_duplicate_clause): Simplify using
omp_find_clause.
(cp_parser_omp_clause_if): Fix up printing of target {enter,exit} data
directive name modifiers.
PR c/91401
* parser.c (cp_parser_omp_clause_dist_schedule): Comment out the
check_no_duplicate_clause call, instead emit a warning for duplicate
dist_schedule clauses.
2019-08-08 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (grokdeclarator): Use id_loc and EXPR_LOCATION in
a few error messages.
2019-08-08 Marek Polacek <polacek@redhat.com>
PR c++/87519 - bogus warning with -Wsign-conversion.
* typeck.c (cp_build_binary_op): Use same_type_p instead of comparing
the types directly.
* constexpr.c (inline_asm_in_constexpr_error): New.
(cxx_eval_constant_expression) <case ASM_EXPR>: Call it.
(potential_constant_expression_1) <case ASM_EXPR>: Likewise.
2019-08-08 Jakub Jelinek <jakub@redhat.com>
* semantics.c (finish_omp_clauses): For C_ORT_OMP
OMP_CLAUSE_USE_DEVICE_* clauses use oacc_reduction_head bitmap
instead of generic_head to track duplicates.
2019-08-07 Marek Polacek <polacek@redhat.com>
PR c++/81429 - wrong parsing of constructor with C++11 attribute.
* parser.c (cp_parser_constructor_declarator_p): Handle the scenario
when a parameter declaration begins with [[attribute]].
2019-08-07 Marek Polacek <polacek@redhat.com>
PR c++/91346 - Implement P1668R1, allow unevaluated asm in constexpr.
* constexpr.c (cxx_eval_constant_expression): Handle ASM_EXPR.
(potential_constant_expression_1) <case ASM_EXPR>: Allow.
* cp-tree.h (finish_asm_stmt): Adjust.
* parser.c (cp_parser_asm_definition): Grab the locaion of "asm" and
use it. Change an error to a pedwarn. Allow asm in C++2a, warn
otherwise.
* pt.c (tsubst_expr): Pass a location down to finish_asm_stmt.
* semantics.c (finish_asm_stmt): New location_t parameter. Use it.
2019-08-07 Jakub Jelinek <jakub@redhat.com>
* parser.c (cp_parser_omp_clause_name): Parse use_device_addr clause.
(cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_USE_DEVICE_ADDR.
(OMP_TARGET_DATA_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_USE_DEVICE_ADDR.
(cp_parser_omp_target_data): Handle PRAGMA_OMP_CLAUSE_USE_DEVICE_ADDR
like PRAGMA_OMP_CLAUSE_USE_DEVICE_PTR, adjust diagnostics about no
map or use_device_* clauses.
* semantics.c (finish_omp_clauses): For OMP_CLAUSE_USE_DEVICE_PTR
in OpenMP, require pointer or reference to pointer type rather than
pointer or array or reference to pointer or array type. Handle
OMP_CLAUSE_USE_DEVICE_ADDR.
* pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_USE_DEVICE_ADDR.
2019-08-06 Jason Merrill <jason@redhat.com>
PR c++/91378 - ICE with noexcept and auto return type.
* pt.c (maybe_instantiate_noexcept): push_to_top_level.
2019-08-06 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (check_array_designated_initializer): Use
cp_expr_loc_or_input_loc in one place.
2019-08-06 Jakub Jelinek <jakub@redhat.com>
* parser.c (cp_parser_omp_for_loop): For OMP_LOOP, ignore parallel
clauses and predetermine iterator as lastprivate.
* semantics.c (handle_omp_for_class_iterator): Use
OMP_CLAUSE_LASTPRIVATE_LOOP_IV instead of
OMP_CLAUSE_LASTPRIVATE_TASKLOOP_IV, set it for lastprivate also
on OMP_LOOP construct. If a clause is missing for class iterator
on OMP_LOOP, add firstprivate clause, and if there is private
clause, turn it into firstprivate too.
(finish_omp_for): Formatting fix. For OMP_LOOP, adjust
OMP_CLAUSE_LASTPRIVATE_LOOP_IV clause CP_CLAUSE_INFO, so that it
uses copy ctor instead of default ctor.
* cp-gimplify.c (cp_gimplify_expr): Handle OMP_LOOP like
OMP_DISTRIBUTE etc.
(cp_fold_r): Likewise.
(cp_genericize_r): Likewise.
(cxx_omp_finish_clause): Also finish lastprivate clause with
OMP_CLAUSE_LASTPRIVATE_LOOP_IV flag.
* pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_BIND.
(tsubst_omp_for_iterator): For OMP_LOOP, ignore parallel
clauses and predetermine iterator as lastprivate.
* constexpr.c (potential_constant_expression_1): Handle OMP_LOOP
like OMP_DISTRIBUTE etc.
2019-08-05 Marek Polacek <polacek@redhat.com>
DR 2413 - typename in conversion-function-ids.
* parser.c (cp_parser_conversion_type_id): Call
cp_parser_type_specifier_seq with CP_PARSER_FLAGS_TYPENAME_OPTIONAL
instead of CP_PARSER_FLAGS_NONE.
2019-08-05 Paolo Carlini <paolo.carlini@oracle.com>
* cp-tree.h (cp_expr_loc_or_input_loc): New.
(cxx_incomplete_type_diagnostic): Use it.
* call.c (build_converted_constant_expr_internal, convert_like_real,
convert_arg_to_ellipsis, convert_for_arg_passing, build_over_call,
build_cxx_call, perform_implicit_conversion_flags,
initialize_reference): Likewise.
* constexpr.c (cxx_eval_internal_function, cxx_eval_call_expression,
eval_and_check_array_index, cxx_eval_store_expression,
cxx_eval_statement_list, cxx_eval_loop_expr,
cxx_eval_constant_expression, potential_constant_expression_1):
Likewise.
* constraint.cc (check_for_logical_overloads,
satisfy_predicate_constraint): Likewise.
* cp-gimplify.c (cp_gimplify_expr): Likewise.
* cvt.c (cp_convert_to_pointer, convert_to_reference,
cp_convert_and_check, ocp_convert, maybe_warn_nodiscard): Likewise.
* decl.c (pop_switch): Likewise.
* decl2.c (delete_sanity): Likewise.
* error.c (location_of): Likewise.
* init.c (maybe_warn_list_ctor, build_aggr_init,
warn_placement_new_too_small, build_new_1, build_vec_init): Likewise.
* lex.c (unqualified_name_lookup_error): Likewise.
* parser.c (cp_parser_initializer_list, cp_parser_omp_for_cond):
Likewise.
* pt.c (check_for_bare_parameter_packs, check_valid_ptrmem_cst_expr,
unify_arg_conversion, convert_nontype_argument,
tsubst_copy_and_build, resolve_typename_type): Likewise.
* semantics.c (maybe_convert_cond, finish_call_expr,
cp_build_vec_convert): Likewise.
* typeck.c (decay_conversion, rationalize_conditional_expr,
cp_build_unary_op, build_x_compound_expr_from_list,
maybe_warn_about_returning_address_of_local,
maybe_warn_pessimizing_move): Likewise.
* typeck2.c (check_narrowing, digest_init_r,
process_init_constructor_array): Likewise.
2019-08-05 Tom Honermann <tom@honermann.net>
* parser.c (cp_parser_template_declaration_after_parameters): Enable
class template argument deduction for non-type template parameters
in literal operator templates.
2019-08-05 Marek Polacek <polacek@redhat.com>
PR c++/91338 - Implement P1161R3: Deprecate a[b,c].
* parser.c (cp_parser_postfix_open_square_expression): Warn about uses
of a comma operator within a subscripting expression.
(cp_parser_skip_to_closing_square_bracket_1): New function, made out
of...
(cp_parser_skip_to_closing_square_bracket): ...this.
2019-08-05 Jason Merrill <jason@redhat.com>
* semantics.c (force_paren_expr): Preserve location.
2019-08-02 Marek Polacek <polacek@redhat.com>
PR c++/91230 - wrong error with __PRETTY_FUNCTION__ and generic lambda.
* pt.c (value_dependent_expression_p): Consider __PRETTY_FUNCTION__
inside a template function value-dependent.
2019-08-02 Paolo Carlini <paolo.carlini@oracle.com>
* tree.c (handle_nodiscard_attribute): Do not warn about nodiscard
applied to a constructor.
2019-08-02 Martin Liska <mliska@suse.cz>
* decl.c (grok_op_properties):
Mark DECL_SET_IS_OPERATOR_DELETE for user-provided delete operators.
2019-08-01 Martin Sebor <msebor@redhat.com>
PR c++/90947
* decl.c (reshape_init_array_1): Avoid truncating initializer
lists containing string literals.
2019-08-01 Marek Polacek <polacek@redhat.com>
PR c++/90805 - detect narrowing in case values.
* decl.c (case_conversion): Detect narrowing in case values.
2019-07-31 Paolo Carlini <paolo.carlini@oracle.com>
* decl2.c (delete_sanity): Improve diagnostic locations, use
cp_expr_loc_or_loc in four places.
2019-07-31 Jason Merrill <jason@redhat.com>
PR c++/90538 - multiple expansions of capture packs
* cp-tree.h (DECLTYPE_FOR_INIT_CAPTURE): Remove.
* lambda.c (add_capture): Copy parameter packs from init.
(lambda_capture_field_type): Always use auto for init-capture.
* pt.c (uses_parameter_packs): Return tree.
(tsubst) [DECLTYPE_TYPE]: Remove init-capture handling.
(gen_elem_of_pack_expansion_instantiation): Don't push
local_specialization_stack.
(prepend_one_capture): New.
(tsubst_lambda_expr): Use it. Don't touch local_specializations.
(do_auto_deduction): Avoid redundant error.
Fix copy_node of TEMPLATE_INFO.
* cp-tree.h (struct tree_template_info): Use tree_base instead of
tree_common. Add tmpl and args fields.
(TI_TEMPLATE, TI_ARGS): Adjust.
2019-07-30 Martin Liska <mliska@suse.cz>
PR tree-optimization/91270
* tree-ssa-dce.c (propagate_necessity): Mark 2nd argument
of delete operator as needed.
2019-07-25 Martin Liska <mliska@suse.cz>
Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
PR c++/23383
* decl.c (cxx_init_decl_processing): Mark delete operators
with DECL_SET_IS_OPERATOR_DELETE.
2019-07-25 Martin Liska <mliska@suse.cz>
* decl.c (duplicate_decls): Use new macros
(e.g. DECL_SET_LAMBDA_FUNCTION and DECL_LAMBDA_FUNCTION_P).
(cxx_init_decl_processing): Likewise.
(grok_op_properties): Likewise.
* parser.c (cp_parser_lambda_declarator_opt): Likewise.
2019-07-24 Martin Sebor <msebor@redhat.com>
PR driver/80545
* decl.c (finish_function): Use lang_mask.
2019-07-20 Jason Merrill <jason@redhat.com>
* cp-tree.h (ovl_iterator::using_p): A USING_DECL by itself was also
introduced by a using-declaration.
2019-07-20 Jason Merrill <jason@redhat.com>
Reduce memory consumption for push/pop_access_scope.
* name-lookup.c (leave_scope): Do add class levels other than
previous_class_level to free_binding_level.
(invalidate_class_lookup_cache): Move from class.c, add to
free_binding_level.
* pt.c (saved_access_scope): Change from list to vec.
2019-07-20 Jakub Jelinek <jakub@redhat.com>
* cp-tree.h (OMP_FOR_GIMPLIFYING_P): Use OMP_LOOPING_CHECK
instead of OMP_LOOP_CHECK.
* parser.c (cp_parser_omp_clause_name): Handle bind clause.
(cp_parser_omp_clause_bind): New function.
(cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_BIND.
(OMP_LOOP_CLAUSE_MASK): Define.
(cp_parser_omp_loop): New function.
(cp_parser_omp_parallel, cp_parser_omp_teams): Handle parsing of
loop combined with parallel or teams.
(cp_parser_omp_construct): Handle PRAGMA_OMP_LOOP.
(cp_parser_pragma): Likewise.
* pt.c (tsubst_expr): Handle OMP_LOOP.
* semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_BIND.
2019-07-19 Jason Merrill <jason@redhat.com>
PR c++/90101 - dependent class non-type parameter.
* pt.c (invalid_nontype_parm_type_p): Check for dependent class type.
2019-07-18 Jason Merrill <jason@redhat.com>
PR c++/90098 - partial specialization and class non-type parms.
PR c++/90099
PR c++/90101
* call.c (build_converted_constant_expr_internal): Don't copy.
* pt.c (process_partial_specialization): Allow VIEW_CONVERT_EXPR
around class non-type parameter.
(unify) [TEMPLATE_PARM_INDEX]: Ignore cv-quals.
2019-07-16 Jason Merrill <jason@redhat.com>
* parser.c (make_location): Add overload taking cp_lexer* as last
parameter.
* parser.c (cp_parser_simple_type_specifier): Separate tentative
parses for optional type-spec and CTAD.
* parser.c (cp_parser_nested_name_specifier_opt): If the token is
already CPP_NESTED_NAME_SPECIFIER, leave it alone.
2019-07-12 Jakub Jelinek <jakub@redhat.com>
* parser.c (cp_parser_omp_clause_name): Handle order clause.
(cp_parser_omp_clause_order): New function.
(cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_ORDER.
(OMP_SIMD_CLAUSE_MASK, OMP_FOR_CLAUSE_MASK): Add
PRAGMA_OMP_CLAUSE_ORDER.
* semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_ORDER.
* pt.c (tsubst_omp_clauses): Likewise.
2019-07-10 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (get_type_quals,
smallest_type_location (const cp_decl_specifier_seq*)): New.
(check_tag_decl): Use smallest_type_location in error_at about
multiple types in one declaration.
(grokdeclarator): Use locations[ds_complex] in error_at about
complex invalid; use locations[ds_storage_class] in error_at
about static cdtor; use id_loc in error_at about flexible
array member in union; use get_type_quals.
2019-07-09 Martin Sebor <msebor@redhat.com>
PR c++/61339
* cp-tree.h: Change class-key of PODs to struct and others to class.
* search.c: Same.
* semantics.c (finalize_nrv_r): Same.
2019-07-09 Martin Sebor <msebor@redhat.com>
PR c++/61339
* constexpr.c (cxx_eval_call_expression): Change class-key from class
to struct and vice versa to match convention and avoid -Wclass-is-pod
and -Wstruct-no-pod.
* constraint.cc (get_concept_definition): Same.
* cp-tree.h: Same.
* cxx-pretty-print.h: Same.
* error.c: Same.
* logic.cc (term_list::replace): Same.
* name-lookup.c (find_local_binding): Same.
* pt.c (tsubst_binary_right_fold): Same.
* search.c (field_accessor_p): Same.
* semantics.c (expand_or_defer_fn): Same.
2019-07-08 Jakub Jelinek <jakub@redhat.com>
PR c++/91110
* decl2.c (cp_omp_mappable_type_1): Don't emit any note for
error_mark_node type.
2019-07-05 Jakub Jelinek <jakub@redhat.com>
PR c++/67184
PR c++/69445
* call.c (build_new_method_call_1): Remove set but not used variable
binfo.
2019-07-05 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/67184 (again)
PR c++/69445
* call.c (build_over_call): Devirtualize user-defined operators
coming from a base too.
(build_new_method_call_1): Do not devirtualize here.
2019-07-04 Marek Polacek <polacek@redhat.com>
DR 1813
PR c++/83374 - __is_standard_layout wrong for a class with repeated
bases.
* class.c (check_bases): Set CLASSTYPE_NON_STD_LAYOUT for a class if
CLASSTYPE_REPEATED_BASE_P is true.
2019-07-04 Andrew Stubbs <ams@codesourcery.com>
* cp-tree.h (cp_omp_emit_unmappable_type_notes): New prototype.
* decl.c (cp_finish_decl): Call cp_omp_emit_unmappable_type_notes.
* decl2.c (cp_omp_mappable_type): Move contents to ...
(cp_omp_mappable_type_1): ... here and add note output.
(cp_omp_emit_unmappable_type_notes): New function.
* semantics.c (finish_omp_clauses): Call
cp_omp_emit_unmappable_type_notes in four places.
2019-07-03 Martin Liska <mliska@suse.cz>
* call.c (build_new_op_1): Remove dead assignemts.
* typeck.c (cp_build_binary_op): Likewise.
2019-06-27 Jason Merrill <jason@redhat.com>
PR c++/55442 - memory-hog with highly recursive constexpr.
* constexpr.c (push_cx_call_context): Return depth.
(cxx_eval_call_expression): Don't cache past constexpr_cache_depth.
2019-06-27 Jan Hubicka <jh@suse.cz>
* class.c (layout_class_type): Set TYPE_CXX_ODR_P for as-base
type copy.
2019-06-27 Martin Liska <mliska@suse.cz>
* class.c (adjust_clone_args): Remove obviously
dead assignments.
(dump_class_hierarchy_r): Likewise.
* decl.c (check_initializer): Likewise.
* parser.c (cp_parser_lambda_expression): Likewise.
* pt.c (unify_bound_ttp_args): Likewise.
(convert_template_argument): Likewise.
* rtti.c (build_headof): Likewise.
* typeck.c (convert_for_initialization): Likewise.
2019-06-25 Jason Merrill <jason@redhat.com>
PR c++/70462 - unnecessary base ctor variant with final.
* optimize.c (populate_clone_array): Skip base variant if
CLASSTYPE_FINAL.
(maybe_clone_body): We don't need an alias if we are only defining
one clone.
* class.c (resolves_to_fixed_type_p): Check CLASSTYPE_FINAL.
2019-06-25 Jakub Jelinek <jakub@redhat.com>
PR c++/90969
* constexpr.c (cxx_eval_array_reference): Don't look through VCE from
vector type if lval.
2019-06-25 Jozef Lawrynowicz <jozef.l@mittosystems.com>
* lex.c (init_reswords): Create keyword for "__intN__" type.
* cp-tree.h (cp_decl_specifier_seq): New bitfield "int_n_alt".
* decl.c (grokdeclarator): Don't pedwarn about "__intN" ISO
C incompatibility if alternate "__intN__" form is used.
* parser.c (cp_parser_simple_type_specifier): Set
decl_specs->int_n_alt if "__intN__" form is used.
2019-06-24 Jan Hubicka <jh@suse.cz>
* lex.c (cxx_make_type): Set TYPE_CXX_ODR_P.
2019-06-24 Jason Merrill <jason@redhat.com>
* class.c (layout_class_type): Don't use a separate
CLASSTYPE_AS_BASE if it's the same size.
2019-06-23 Marek Polacek <polacek@redhat.com>
* call.c (convert_default_arg): Use DEFERRED_PARSE instead of
DEFAULT_ARG.
* cp-objcp-common.c (cp_tree_size): Likewise. Use tree_deferred_parse
instead of tree_default_arg.
* cp-tree.def: Rename DEFAULT_ARG to DEFERRED_PARSE.
* cp-tree.h: Rename DEFARG_TOKENS to DEFPARSE_TOKENS. Rename
DEFARG_INSTANTIATIONS to DEFPARSE_INSTANTIATIONS. Rename
tree_default_arg to tree_deferred_parse.
(UNPARSED_NOEXCEPT_SPEC_P): Use DEFERRED_PARSE instead of DEFAULT_ARG.
(cp_tree_node_structure_enum): Rename TS_CP_DEFAULT_ARG to
TS_CP_DEFERRED_PARSE.
(lang_tree_node): Rename tree_default_arg to tree_deferred_parse.
Rename default_arg to deferred_parse. Use TS_CP_DEFERRED_PARSE instead
of TS_CP_DEFAULT_ARG.
(defarg_location): Remove declaration.
(defparse_location): Add declaration.
* decl.c (grokfndecl): Use DEFERRED_PARSE instead of DEFAULT_ARG.
Call defparse_location instead of defarg_location.
(check_default_argument): Use DEFERRED_PARSE instead of DEFAULT_ARG.
(cp_tree_node_structure): Likewise. Use TS_CP_DEFERRED_PARSE instead
of TS_CP_DEFAULT_ARG.
* decl2.c (grokfield): Use DEFERRED_PARSE instead of DEFAULT_ARG.
* error.c (dump_expr): Likewise.
(location_of): Likewise.
* init.c (get_nsdmi): Likewise.
* parser.c (cp_parser_save_noexcept): Likewise. Use DEFPARSE_TOKENS
instead of DEFARG_TOKENS.
(cp_parser_late_noexcept_specifier): Likewise.
(cp_parser_late_parse_one_default_arg): Use DEFPARSE_TOKENS instead
of DEFARG_TOKENS.
(cp_parser_late_parsing_default_args): Use DEFERRED_PARSE instead of
DEFAULT_ARG. Use DEFPARSE_INSTANTIATIONS instead of
DEFARG_INSTANTIATIONS.
(cp_parser_cache_defarg): Use DEFERRED_PARSE instead of DEFAULT_ARG.
Use DEFPARSE_TOKENS instead of DEFARG_TOKENS. Use
DEFPARSE_INSTANTIATIONS instead of DEFARG_INSTANTIATIONS.
(defparse_location): Renamed from defarg_location.
* pt.c (tsubst_default_argument): Use DEFERRED_PARSE instead of
DEFAULT_ARG.
(tsubst_arg_types): Likewise.
(dependent_type_p_r): Likewise.
* tree.c (cp_tree_equal): Likewise.
(cp_walk_subtrees): Likewise.
* typeck.c (convert_arguments): Likewise.
2019-06-22 Marek Polacek <polacek@redhat.com>
PR c++/86476 - noexcept-specifier is a complete-class context.
PR c++/52869
* cp-tree.def (DEFAULT_ARG): Update commentary.
* cp-tree.h (UNPARSED_NOEXCEPT_SPEC_P): New macro.
(tree_default_arg): Use tree_base instead of tree_common.
(do_push_parm_decls, maybe_check_overriding_exception_spec): Declare.
* decl.c (do_push_parm_decls): New function, broken out of...
(store_parm_decls): ...here. Call it.
* except.c (nothrow_spec_p): Accept DEFAULT_ARG in the assert.
* parser.c (cp_parser_noexcept_specification_opt,
cp_parser_late_noexcept_specifier, noexcept_override_late_checks):
Forward-declare.
(unparsed_noexcepts): New macro.
(push_unparsed_function_queues): Update initializer.
(cp_parser_direct_declarator): Pass FRIEND_P to
cp_parser_exception_specification_opt.
(inject_parm_decls): New.
(pop_injected_parms): New.
(cp_parser_class_specifier_1): Implement delayed parsing of
noexcept-specifiers.
(cp_parser_save_noexcept): New.
(cp_parser_late_noexcept_specifier): New.
(noexcept_override_late_checks): New.
(cp_parser_noexcept_specification_opt): Add FRIEND_P parameter. Call
cp_parser_save_noexcept instead of the normal processing if needed.
(cp_parser_exception_specification_opt): Add FRIEND_P parameter and
pass it to cp_parser_noexcept_specification_opt.
(cp_parser_save_member_function_body): Fix comment.
(cp_parser_save_default_args): Maybe save the noexcept-specifier to
post process.
(cp_parser_transaction): Update call to
cp_parser_noexcept_specification_opt.
(cp_parser_transaction_expression): Likewise.
* parser.h (cp_unparsed_functions_entry): Add new field to carry
a noexcept-specifier.
* pt.c (dependent_type_p_r): Handle unparsed noexcept expression.
* search.c (maybe_check_overriding_exception_spec): New function, broken
out of...
(check_final_overrider): ...here. Call
maybe_check_overriding_exception_spec.
* tree.c (canonical_eh_spec): Handle UNPARSED_NOEXCEPT_SPEC_P.
(cp_tree_equal): Handle DEFAULT_ARG.
PR c++/90881 - bogus -Wunused-value in unevaluated context.
* cvt.c (convert_to_void): Don't emit unused warnings in
an unevaluated context.
2019-06-22 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (grokdeclarator): Use id_loc, typespec_loc, and
locations[ds_storage_class] in a few additional places.
2019-06-21 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/90909
Revert:
2019-05-21 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/67184
PR c++/69445
* call.c (build_over_call): Devirtualize when the final overrider
comes from the base.
2019-06-21 Marek Polacek <polacek@redhat.com>
PR c++/61490 - qualified-id in friend function definition.
* decl.c (grokdeclarator): Diagnose qualified-id in friend function
definition. Improve location for diagnostics of friend functions.
PR c++/60223 - ICE with T{} in non-deduced context.
* pt.c (unify): Allow COMPOUND_LITERAL_P in a non-deduced context.
PR c++/64235 - missing syntax error with invalid alignas.
* parser.c (cp_parser_std_attribute_spec): Commit to tentative parse
if there's a missing close paren.
PR c++/90490 - fix decltype issues in noexcept-specifier.
* except.c (build_noexcept_spec): Call
instantiate_non_dependent_expr_sfinae before
build_converted_constant_expr instead of calling
instantiate_non_dependent_expr after it. Add
processing_template_decl_sentinel.
2019-06-21 Jakub Jelinek <jakub@redhat.com>
PR c++/90950
* semantics.c (finish_omp_clauses): Don't reject references to
incomplete types if processing_template_decl.
2019-06-19 Marek Polacek <polacek@redhat.com>
PR c++/60364 - noreturn after first decl not diagnosed.
* decl.c (duplicate_decls): Give an error when a function is
declared [[noreturn]] after its first declaration.
* parser.c (cp_parser_std_attribute): Don't treat C++11 noreturn
attribute as equivalent to GNU's.
* tree.c (std_attribute_table): Add noreturn.
2019-06-19 Jakub Jelinek <jakub@redhat.com>
* cp-gimplify.c (cp_genericize_r): Handle OMP_CLAUSE_{IN,EX}CLUSIVE
like OMP_CLAUSE_SHARED.
2019-06-18 Jason Merrill <jason@redhat.com>
* constexpr.c (cxx_eval_store_expression): Delay target evaluation.
2019-06-18 Jason Merrill <jason@redhat.com>
* constexpr.c (eval_and_check_array_index): Split out from...
(cxx_eval_array_reference): ...here.
(cxx_eval_store_expression): Use it here, too.
(diag_array_subscript): Take location. Strip location wrapper.
2019-06-18 Jason Merrill <jason@redhat.com>
* constexpr.c (cxx_eval_constant_expression): Handle conversion from
and then to the same type.
2019-06-18 Jason Merrill <jason@redhat.com>
* constexpr.c (unshare_constructor): Add MEM_STAT_DECL.
2019-06-17 Jakub Jelinek <jakub@redhat.com>
* semantics.c (finish_omp_clauses): For OMP_CLAUSE_REDUCTION_INSCAN
set need_copy_assignment.
2019-06-17 Marek Polacek <polacek@redhat.com>
PR c++/83820 - excessive attribute arguments not detected.
* parser.c (cp_parser_std_attribute): Detect excessive arguments.
2019-06-17 Nathan Sidwell <nathan@acm.org>
PR c++/90754
* name-lookup.c (lookup_type_scope_1): Calll qualify_lookup before
checking context.
2019-06-14 Marek Polacek <polacek@redhat.com>
PR c++/90884 - stray note with -Wctor-dtor-privacy.
* class.c (maybe_warn_about_overly_private_class): Guard the call to
inform.
2019-06-12 Jason Merrill <jason@redhat.com>
PR c++/85552 - wrong instantiation of dtor for DMI.
* typeck2.c (digest_nsdmi_init): Set tf_no_cleanup for direct-init.
2019-06-13 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (grokdeclarator): Use id_loc in five additional places
in the last part of the function.
2019-06-13 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (grokdeclarator): Move further up the declaration of
id_loc, use it immediately, update its value after the loop
over declarator, use it again in the final part of function;
improve locations of error messages about multiple data types
and conflicting specifiers.
2019-06-13 Richard Biener <rguenther@suse.de>
PR c++/90801
* typeck2.c (split_nonconstant_init_1): Properly count
num_split_elts, optimize single constructor elt removal.
2019-06-12 Marek Polacek <polacek@redhat.com>
PR c++/66999 - 'this' captured by reference.
* parser.c (cp_parser_lambda_introducer): Reject `&this'. Use
cp_lexer_nth_token_is instead of cp_lexer_peek_nth_token.
PR c++/90825 - endless recursion when evaluating sizeof.
PR c++/90832 - endless recursion when evaluating sizeof.
* constexpr.c (cxx_eval_constant_expression): Don't recurse on the
result of fold_sizeof_expr if is returns a SIZEOF_EXPR.
* typeck.c (cxx_sizeof_expr): Only return a SIZEOF_EXPR if the operand
is instantiation-dependent.
PR c++/90736 - bogus error with alignof.
* constexpr.c (adjust_temp_type): Use cv_unqualified type.
2019-06-11 Matthew Beliveau <mbelivea@redhat.com>
PR c++/90449 - add -Winaccessible-base option.
* class.c (warn_about_ambiguous_bases): Changed name to:
maybe_warn_about_inaccessible_bases.
(maybe_warn_about_inaccessible_bases): Implemented new
Winaccessible-base warning option for both direct and virtual
base warnings.
(layout_class_type): Call to warn_about_ambiguous_bases changed to fit
new name.
2019-06-11 Richard Biener <rguenther@suse.de>
PR c++/90801
* typeck2.c (split_nonconstant_init_1): Avoid ordered remove
from CONSTRUCTOR by marking to remove elements and doing all
of them in a O(n) scan.
2019-06-11 Jakub Jelinek <jakub@redhat.com>
PR c++/90810
* init.c (constant_value_1): Handle VECTOR_CST DECL_INITIAL for
!DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P decls like CONSTRUCTOR.
2019-06-11 Martin Liska <mliska@suse.cz>
PR c++/87847
* pt.c (init_template_processing): Disable hash table
sanitization for decl_specializations and type_specializations.
2019-06-10 Jason Merrill <jason@redhat.com>
* constexpr.c (free_constructor): New.
(cxx_eval_call_expression): Free parameter value CONSTRUCTORs.
* constexpr.c (unshare_constructor): Only unshare if T is itself a
CONSTRUCTOR.
(cxx_eval_call_expression): Don't call it on the result here.
Reduce constexpr_call memory consumption.
* constexpr.c (cxx_bind_parameters_in_call): Use TREE_VEC rather
than TREE_LIST.
(constexpr_call_hasher::equal, cxx_bind_parameters_in_call)
(cxx_eval_call_expression): Adjust.
2019-06-10 Jakub Jelinek <jakub@redhat.com>
* parser.c (cp_parser_omp_clause_reduction): Don't sorry_at on inscan
reductions.
(cp_parser_omp_scan_loop_body): New function.
(cp_parser_omp_for_loop): Call cp_parser_omp_scan_loop_body if there
are inscan reduction clauses.
(cp_parser_pragma): Reject PRAGMA_OMP_SCAN.
* semantics.c (finish_omp_clauses): Reject mixing inscan with
non-inscan reductions on the same construct, or inscan reductions with
ordered or schedule clauses, or inscan array reductions.
* pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
(tsubst_expr): Handle OMP_SCAN.
2019-06-07 Jason Merrill <jason@redhat.com>
* constexpr.c (cxx_eval_constant_expression): Call
STRIP_ANY_LOCATION_WRAPPER early.
[CONVERT_EXPR]: Don't build anything for conversion to void.
[ADDR_EXPR]: ggc_free unused ADDR_EXPR.
2019-06-05 Martin Sebor <msebor@redhat.com>
PR c/90737
* typeck.c (maybe_warn_about_returning_address_of_local): Only
consider functions returning pointers as candidates for
-Wreturn-local-addr.
2019-06-05 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (smallest_type_location): New.
(check_special_function_return_type): Use it.
(grokdeclarator): Lkewise.
2019-06-05 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (grokdeclarator): Use locations[ds_friend]
in one place.
2019-06-05 Martin Sebor <msebor@redhat.com>
* call.c (build_conditional_expr_1): Adjust quoting and hyphenation.
(convert_like_real): Same.
(convert_arg_to_ellipsis): Same.
* constexpr.c (diag_array_subscript): Same.
* constraint.cc (diagnose_trait_expression): Same.
* cvt.c (ocp_convert): Same.
* decl.c (start_decl): Same.
(check_for_uninitialized_const_var): Same.
(grokfndecl): Same.
(check_special_function_return_type): Same.
(finish_enum_value_list): Same.
(start_preparsed_function): Same.
* parser.c (cp_parser_decl_specifier_seq): Same.
* typeck.c (cp_build_binary_op): Same.
(build_static_cast_1): Same.
2019-06-04 Nina Dinka Ranns <dinka.ranns@gmail.com>
PR c++/63149 - Wrong auto deduction from braced-init-list.
* pt.c (listify_autos): use non cv qualified auto_node in
std::initializer_list<auto>.
2019-06-04 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (grokdeclarator): Use declarator->id_loc in two
additional places.
2019-06-04 Nathan Sidwell <nathan@acm.org>
* name-lookup.c (lookup_type_scope_1): Reimplement, handle local
and namespace scopes separately.
2019-06-04 Harald van Dijk <harald@gigawatt.nl>
PR c++/60531 - Wrong error about unresolved overloaded function
* typeck.c (cp_build_binary_op): See if overload can be resolved.
(cp_build_unary_op): Ditto.
2019-06-04 Jason Merrill <jason@redhat.com>
Reduce accumulated garbage in constexpr evaluation.
* constexpr.c (cxx_eval_call_expression): ggc_free any bindings we
don't save.
(cxx_eval_increment_expression): ggc_free the MODIFY_EXPR after
evaluating it.
2019-06-04 Jakub Jelinek <jakub@redhat.com>
* cp-tree.h (CP_OMP_CLAUSE_INFO): Allow for any clauses up to _condvar_
instead of only up to linear.
2019-06-03 Paolo Carlini <paolo.carlini@oracle.com>
* parser.c (cp_parser_unqualified_id): Use build_min_nt_loc in
five places.
2019-06-01 Ville Voutilainen <ville.voutilainen@gmail.com>
PR c++/85254
* class.c (fixup_type_variants): Handle CLASSTYPE_FINAL.
2019-05-31 Nathan Sidwell <nathan@acm.org>
* cp-tree.h (IDENTIFIER_LAMBDA_P): New.
(TYPE_ANON_P): New.
(LAMBDA_TYPE_P, TYPE_UNNAMED_P): Likewise.
(LAMBDANAME_PREFIX, LAMBDANAME_FORMAT): Delete.
(make_lambda_name): Don't declare.
* error.c (dump_aggr_type): Check for lambdas before other
anonymous names.
* lambda.c (begin_lambda_type): Use make_anon_name.
* cp-lang.c (cxx_dwarf_name): Lambda names smell anonymous.
* mangle.c (write_local_name): Likewise.
* name-lookup.c (lambda_cnt, make_lambda_name): Delete.
2019-05-30 Marek Polacek <polacek@redhat.com>
* cp-tree.h (TYPE_HAS_NONTRIVIAL_DESTRUCTOR): Fix a typo.
2019-05-31 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (grokdeclarator): Use declarator->id_loc in five
error_at calls.
2019-05-29 Jakub Jelinek <jakub@redhat.com>
PR c++/90598
* tree.c (lvalue_kind): Return clk_none for expressions with
with VOID_TYPE_P.
2019-05-29 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/89875
* parser.c (cp_parser_sizeof_operand): When the type-id production
did not work out commit to the tentative parse.
2019-05-29 Jakub Jelinek <jakub@redhat.com>
P1091R3 - Extending structured bindings to be more like var decls
P1381R1 - Reference capture of structured bindings
* decl.c (cp_maybe_mangle_decomp): Handle TREE_STATIC decls even at
function scope.
(cp_finish_decomp): Copy over various decl properties from decl to
v[i] in the tuple case.
(grokdeclarator): Allow static, thread_local and __thread for C++2a
and use pedwarn instead of error for older standard revisions.
Make other structured binding diagnostic messages more i18n friendly.
2019-05-28 Nathan Sidwell <nathan@acm.org>
* decl.c (duplicate_decls): Assert a template newdecl has no
specializations.
2019-05-28 Marek Polacek <polacek@redhat.com>
PR c++/90548 - ICE with generic lambda and empty pack.
* pt.c (tsubst_copy_and_build): Handle pack expansion properly.
2019-05-28 Nathan Sidwell <nathan@acm.org>
* cp-tree.h (make_anon_name): Drop declaration.
(TYPE_UNNAMED_P): Use IDENTIFIER_ANON_P.
* cp-lang.c (cxx_dwarf_name): Likewise.
* class.c (find_flexarrays): Likewise.
* decl.c (name_unnamed_type, xref_tag_1): Likewise.
* error.c (dump_aggr_type): Likewise.
* pt.c (push_template_decl_real): Likewise.
* name-lookup.c (consider_binding_level): Likewise.
(anon_cnt, make_anon_name): Delete.
2019-05-25 Marek Polacek <polacek@redhat.com>
PR c++/90572 - wrong disambiguation in friend declaration.
* parser.c (cp_parser_constructor_declarator_p): Don't allow missing
typename for friend declarations.
2019-05-23 Jonathan Wakely <jwakely@redhat.com>
* cp-tree.h (CP_AGGREGATE_TYPE_P): Fix whitespace.
* init.c (std_placement_new_fn_p): Remove outdated TODO comment that
was resolved by r254694.
2019-05-22 Jason Merrill <jason@redhat.com>
PR c++/20408 - unnecessary code for empty struct.
* call.c (build_call_a): Use simple_empty_class_p.
PR c++/86485 - -Wmaybe-unused with empty class ?:
* cp-gimplify.c (simple_empty_class_p): Also true for MODIFY_EXPR.
2019-05-21 Paolo Carlini <paolo.carlini@oracle.com>
* parser.c (cp_parser_template_declaration_after_parameters): Use
DECL_SOURCE_LOCATION in literal operator template errors.
2019-05-21 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/67184
PR c++/69445
* call.c (build_over_call): Devirtualize when the final overrider
comes from the base.
2019-05-21 Nathan Sidwell <nathan@acm.org>
* name-lookup.c (do_nonmember_using_decl): Drop INSERT_P
parameter. Document.
(finish_nonmember_using_decl): Adjust do_nonmember_using_decl
calls. Remove stray FIXME comment.
* name-lookup.h (struct cp_binding_level): Drop usings field.
(finish_namespace_using_decl, finish_local_using_decl): Replace with ...
(finish_nonmember_using_decl): ... this.
* name-lookup.c (push_using_decl_1, push_using_decl):
(do_nonmember_using_decl): ... here. Add INSERT_P arg. Reimplement.
(validate_nonmember_using_decl, finish_namespace_using_decl)
(finish_local_using_decl): Replace with ...
(finish_nonmember_using_decl): ... this. Drop DECL parm.
* parser.c (cp_parser_using_declaration): Don't do lookup here.
* pt.c (tsubst_expr): Do not do using decl lookup here.
2019-05-21 Eric Botcazou <ebotcazou@adacore.com>
* decl2.c (cpp_check) <IS_ASSIGNMENT_OPERATOR>: New case.
2019-05-20 Marek Polacek <polacek@redhat.com>
CWG 2094 - volatile scalars are trivially copyable.
PR c++/85679
* tree.c (trivially_copyable_p): Don't check CP_TYPE_VOLATILE_P for
scalar types.
2019-05-20 Marek Polacek <polacek@redhat.com>
* pt.c (convert_template_argument): Add a diagnostic for the
[temp.arg]/2 ambiguity case.
* name-lookup.c (finish_using_directive): Don't issue inform() if the
warning didn't trigger. Add quoting. Tweak the inform message.
2019-05-20 Paolo Carlini <paolo.carlini@oracle.com>
* cp-tree.h: Remove remnants of CONV_NONCONVERTING.
2019-05-20 Nathan Sidwell <nathan@acm.org>
* name-lookup.c (finish_namespace_using_directive)
(finish_local_using_directive): Merge to ...
(finish_using_directive): ... here. Handle both contexts.
* name-lookup.h (finish_namespace_using_directive)
(finish_local_using_directive): Replace with ...
(finish_using_directive): ... this.
* parser.c (cp_parser_using_directive): Adjust.
* pt.c (tsubst_expr): Likewise.
* cp-tree.h (struct lang_decl_ns): Remove usings field.
(DECL_NAMESPACE_USING): Delete.
* name-lookup.c (name_lookup::search_usings): Use namespace's
binding scope.
(name_lookup::queue_namespae): Likewise.
(finish_namespace_using_directive, push_namespace): Likewise.
(has_using_namespace_std_directive): Just search the entire
binding stack.
2019-05-20 Jonathan Wakely <jwakely@redhat.com>
PR c++/90532 Ensure __is_constructible(T[]) is false
* method.c (is_xible_helper): Return error_mark_node for construction
of an array of unknown bound.
2019-05-17 Thomas Schwinge <thomas@codesourcery.com>
PR c++/89433
* parser.c (cp_finalize_oacc_routine): Rework checking if already
marked with an OpenACC 'routine' directive.
PR c++/89433
* parser.c (cp_parser_oacc_routine)
(cp_parser_late_parsing_oacc_routine): Normalize order of clauses.
(cp_finalize_oacc_routine): Call oacc_verify_routine_clauses.
PR c++/89433
* parser.c (cp_finalize_oacc_routine): Refer to OpenACC 'routine'
clauses from "omp declare target" attribute.
2019-05-16 Martin Sebor <msebor@redhat.com>
* call.c (print_z_candidate): Wrap diagnostic text in a gettext
macro. Adjust.
(print_z_candidates): Same.
(build_conditional_expr_1): Quote keywords, operators, and types
in diagnostics.
(build_op_delete_call): Same.
(maybe_print_user_conv_context): Wrap diagnostic text in a gettext
macro.
(convert_like_real): Same.
(convert_arg_to_ellipsis): Quote keywords, operators, and types
in diagnostics.
(build_over_call): Same.
(joust): Break up an overlong line. Wrap diagnostic text in a gettext
macro.
* constexpr.c (cxx_eval_check_shift_p): Spell out >= in English.
(cxx_eval_constant_expression): Quote keywords, operators, and types
in diagnostics.
(potential_constant_expression_1): Same.
* cp-gimplify.c (cp_genericize_r): Same.
* cvt.c (maybe_warn_nodiscard): Quote keywords, operators, and types
in diagnostics.
(type_promotes_to): Same.
* decl.c (check_previous_goto_1): Same.
(check_goto): Same.
(start_decl): Same.
(cp_finish_decl): Avoid parenthesizing a sentence for consistency.
(grok_op_properties): Quote keywords, operators, and types
in diagnostics.
* decl2.c (grokfield): Same.
(coerce_delete_type): Same.
* except.c (is_admissible_throw_operand_or_catch_parameter): Same.
* friend.c (do_friend): Quote C++ tokens.
* init.c (build_new_1): Quote keywords, operators, and types
in diagnostics.
(build_vec_delete_1): Same.
(build_delete): Same.
* lex.c (parse_strconst_pragma): Same.
(handle_pragma_implementation): Same.
(unqualified_fn_lookup_error): Same.
* mangle.c (write_type): Same.
* method.c (defaulted_late_check): Avoid two consecutive punctuators.
* name-lookup.c (cp_binding_level_debug): Remove a trailing newline.
(pop_everything): Same.
* parser.c (cp_lexer_start_debugging): Quote a macro name.
in a diagnostic
(cp_lexer_stop_debugging): Same.
(cp_parser_userdef_numeric_literal): Quote a C++ header name
in a diagnostic.
(cp_parser_nested_name_specifier_opt): Quote keywords, operators,
and types in diagnostics.
(cp_parser_question_colon_clause): Same.
(cp_parser_asm_definition): Same.
(cp_parser_init_declarator): Same.
(cp_parser_template_declaration_after_parameters): Avoid capitalizing
a sentence in a diagnostic.
(cp_parser_omp_declare_reduction): Quote keywords, operators, and types
in diagnostics.
(cp_parser_transaction): Same.
* pt.c (maybe_process_partial_specialization): Replace second call
to permerror with inform for consistency with other uses.
(expand_integer_pack): Quote keywords, operators, and types
in diagnostics.
* rtti.c (get_typeid): Quote keywords, operators, and types
in diagnostics.
(build_dynamic_cast_1): Same.
* semantics.c (finish_asm_stmt): Same.
(finish_label_decl): Same.
(finish_bases): Same.
(finish_offsetof): Same.
(cp_check_omp_declare_reduction): Same.
(finish_decltype_type): Same.
* tree.c (handle_init_priority_attribute): Same. Add detail
to diagnostics.
(maybe_warn_zero_as_null_pointer_constant): Same.
* typeck.c (cp_build_binary_op): Quote keywords, operators, and types
in diagnostics.
(cp_build_unary_op): Same.
(check_for_casting_away_constness): Same.
(build_static_cast): Same.
(build_const_cast_1): Same.
(maybe_warn_about_returning_address_of_local): Same.
(check_return_expr): Same.
* typeck2.c (abstract_virtuals_error_sfinae): Same.
(digest_init_r): Replace a tab with spaces in a diagnostic.
(build_functional_cast): Quote keywords, operators, and types
in diagnostics.
2019-05-15 Jakub Jelinek <jakub@redhat.com>
PR debug/90197
* cp-gimplify.c (genericize_cp_loop): Emit a DEBUG_BEGIN_STMT
before the condition (or if missing or constant non-zero at the end
of the loop. Emit a DEBUG_BEGIN_STMT before the increment expression
if any. Don't call protected_set_expr_location on incr if it already
has a location.
2019-05-15 Marek Polacek <polacek@redhat.com>
CWG 2096 - constraints on literal unions.
* class.c (check_field_decls): Initialize booleans directly. A union
is literal if at least one of its non-static data members is of
non-volatile literal type.
2019-05-15 Paolo Carlini <paolo.carlini@oracle.com>
* cp-tree.h (REFERENCE_VLA_OK): Remove.
* lambda.c (build_capture_proxy): Remove use of the above.
2019-05-15 Paolo Carlini <paolo.carlini@oracle.com>
* call.c (perform_overload_resolution, build_new_method_call_1):
Use OVL_P; remove redundant TEMPLATE_DECL checks.
* decl.c (grokfndecl): Likewise.
* mangle.c (write_expression): Likewise.
* parser.c (cp_parser_template_id): Likewise.
* pt.c (resolve_overloaded_unification, type_dependent_expression_p):
Likewise.
* search.c (build_baselink): Likewise.
* tree.c (is_overloaded_fn, dependent_name, maybe_get_fns): Likewise.
2019-05-14 Paolo Carlini <paolo.carlini@oracle.com>
PR preprocessor/90382
* decl.c (grokdeclarator): Fix value assigned to typespec_loc, use
min_location.
2019-05-13 Jason Merrill <jason@redhat.com>
Use releasing_vec more broadly.
* cp-tree.h (struct releasing_vec): Replace get_ref method with
operator&.
(vec_safe_push, vec_safe_reserve, vec_safe_length, vec_safe_splice):
Forwarding functions for releasing_vec.
(release_tree_vector): Declare but don't define.
* call.c (build_op_delete_call, build_temp, call_copy_ctor)
(perform_direct_initialization_if_possible): Use releasing_vec.
* constexpr.c (cxx_eval_vec_init_1, cxx_eval_store_expression):
Likewise.
* cp-gimplify.c (cp_fold): Likewise.
* cvt.c (force_rvalue, ocp_convert): Likewise.
* decl.c (get_tuple_decomp_init): Likewise.
* except.c (build_throw): Likewise.
* init.c (perform_member_init, expand_default_init): Likewise.
* method.c (do_build_copy_assign, locate_fn_flags): Likewise.
* parser.c (cp_parser_userdef_char_literal)
(cp_parser_userdef_numeric_literal)
(cp_parser_userdef_string_literal)
(cp_parser_perform_range_for_lookup)
(cp_parser_range_for_member_function, cp_parser_omp_for_loop)
(cp_parser_omp_for_loop_init): Likewise.
* pt.c (tsubst_copy_and_build, do_class_deduction): Likewise.
* semantics.c (calculate_direct_bases, calculate_bases)
(finish_omp_barrier, finish_omp_flush, finish_omp_taskwait)
(finish_omp_taskyield, finish_omp_cancel)
(finish_omp_cancellation_point): Likewise.
* tree.c (build_vec_init_elt, strip_typedefs, strip_typedefs_expr)
(build_min_non_dep_op_overload): Likewise.
* typeck.c (build_function_call_vec, cp_build_function_call_nary)
(cp_build_modify_expr): Likewise.
* typeck2.c (build_functional_cast): Likewise.
2019-05-11 Paolo Carlini <paolo.carlini@oracle.com>
* typeck.c (cp_build_function_call_vec): When mark_used fails
unconditionally return error_mark_node.
2019-05-10 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (grokvardecl): Use an accurate location in error message
about main as a global variable.
2019-05-10 Paolo Carlini <paolo.carlini@oracle.com>
* call.c (build_call_a): Use FUNC_OR_METHOD_TYPE_P.
* cp-gimplify.c (cp_fold): Likewise.
* cp-objcp-common.c (cp_type_dwarf_attribute): Likewise.
* cp-tree.h (TYPE_OBJ_P, TYPE_PTROBV_P): Likewise.
* cvt.c (perform_qualification_conversions): Likewise.
* decl.c (grokdeclarator): Likewise.
* decl2.c (build_memfn_type): Likewise.
* mangle.c (canonicalize_for_substitution, write_type): Likewise.
* parser.c (cp_parser_omp_declare_reduction): Likewise.
* pt.c (check_explicit_specialization, uses_deducible_template_parms,
check_cv_quals_for_unify, dependent_type_p_r): Likewise.
* rtti.c (ptr_initializer): Likewise.
* semantics.c (finish_asm_stmt, finish_offsetof,
cp_check_omp_declare_reduction): Likewise.
* tree.c (cp_build_qualified_type_real,
cp_build_type_attribute_variant, cxx_type_hash_eq,
cxx_copy_lang_qualifiers, cp_free_lang_data): Likewise.
* typeck.c (structural_comptypes, convert_arguments,
cp_build_addr_expr_1, unary_complex_lvalue, cp_build_c_cast,
cp_build_modify_expr, comp_ptr_ttypes_real, type_memfn_rqual):
Likewise.
2019-05-10 Marek Polacek <polacek@redhat.com>
PR c++/78010 - bogus -Wsuggest-override warning on final function.
* class.c (check_for_override): Don't warn for final functions.
2019-05-10 Jakub Jelinek <jakub@redhat.com>
PR pch/90326
* config-lang.in (gtfiles): Remove c-family/c-lex.c, add
c-family/c-cppbuiltin.c.
2019-05-09 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/90382
Revert:
2018-04-26 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (grokdeclarator): Fix value assigned to typespec_loc, use
min_location.
2019-05-08 Nathan Sidwell <nathan@acm.org>
Kill DECL_SAVED_FUNCTION_DATA .
* cp-tree.h (language_function): Remove x_auto_return_pattern.
(current_function_auto_return_pattern): Delete.
(lang_decl_fn): Replace saved_language_function with
saved_auto_return type.
(DECL_SAVED_FUNCTION_DATA): Delete.
(DECL_SAVED_AUTO_RETURN_TYPE): New.
(FNDECL_USED_AUTO): Correct documentation.
* decl.c (duplicate_decls): Adjust AUTO return handling.
(start_preparsed_function): Replace
current_function_auto_return_pattern with
DECL_SAVED_AUTO_RETURN_TYPE. Remove DECL_SAVED_FUNCTION_DATA
zapping.
(finish_function): Likewise.
(save_function_data): Delete.
(fndecl_declared_return_type): Reimplement.
* mangle.c (write_unqualified_name): Use DECL_SAVED_AUTO_RETURN_TYPE.
* method.c (make_thunk, make_alias_for): Likewise.
* parser.c (cp_parser_jump_statement): Likewise.
* pt.c (do_auto_deduction): Likewise.
* typeck.c (check_return_expr): Likewise.
2019-05-06 Jason Merrill <jason@redhat.com>
PR c++/90171 - reorganize usual_deallocation_fn_p
* call.c (struct dealloc_info): New.
(usual_deallocation_fn_p): Take a dealloc_info*.
(aligned_deallocation_fn_p, sized_deallocation_fn_p): Remove.
(build_op_delete_call): Adjust.
2019-05-07 Jason Merrill <jason@redhat.com>
PR c++/86485 - -Wmaybe-unused with empty class ?:
* typeck.c (build_static_cast_1): Use cp_build_addr_expr.
* pt.c (type_dependent_expression_p): A non-type template parm with
a placeholder type is type-dependent.
2019-05-06 Marek Polacek <polacek@redhat.com>
PR c++/90265 - ICE with generic lambda.
* pt.c (tsubst_copy_and_build): Use a dedicated variable for the last
element in the vector.
2019-05-03 Martin Liska <mliska@suse.cz>
* call.c (build_aggr_conv): Use is_empty instead of
elements () == 0 (and similar usages).
* parser.c (cp_parser_lambda_introducer): Likewise.
2019-05-02 Nathan Sidwell <nathan@acm.org>
* semantics.c (finish_id_expression_1): Remove unreachable code.
2019-05-01 Nathan Sidwell <nathan@acm.org>
* name-lookup.h (get_class_binding_direct): Change final arg to
bool.
(get_class_binding): Likewise.
* name-lookup.c (get_class_binding_direct): Replace TYPE_OR_FNS
arg with WANT_TYPE bool. Simplify.
(get_class_binding): Adjust final arg.
* decl.c (reshape_init_class): Adjust get_class_binding calls.
2019-04-30 Nathan Sidwell <nathan@acm.org>
* cp-objcp-common.c (cp_common_init_ts): Use MARK_TS_EXP for _EXPR
nodes. Call c_common_init_ts.
2019-04-29 Nathan Sidwell <nathan@acm.org>
* decl.c (duplicate_decls): Add whitespace, move comments into
conditional blocks.
* method.c (explain_implicit_non_constexpr): Refactor.
* pt.c (check_explicit_specialization): Fix indentation.
* semantics.c (process_outer_var_ref): Reformat.
(finish_id_expression_1): Use STRIP_TEMPLATE.
2019-04-26 Jonathan Wakely <jwakely@redhat.com>
PR c++/90243 - orphaned note in uninstantiated constexpr function
* decl.c (check_for_uninitialized_const_var): Suppress notes if no
error was shown.
2019-04-26 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/90173
* decl.c (grokdeclarator): Set type to error_mark_node
upon error about template placeholder type non followed
by a simple declarator-id.
2019-04-26 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (grokdeclarator): Fix value assigned to typespec_loc, use
min_location.
2019-04-24 Jason Merrill <jason@redhat.com>
PR c++/90227 - error with template parameter packs.
* pt.c (coerce_template_parms): Do add empty pack when
require_all_args.
2019-04-24 Richard Biener <rguenther@suse.de>
* call.c (null_ptr_cst_p): Order checks according to expensiveness.
(conversion_null_warnings): Likewise.
* typeck.c (same_type_ignoring_top_level_qualifiers_p): Return
early if type1 == type2.
2019-04-22 Jason Merrill <jason@redhat.com>
PR c++/87366 - wrong error with alias template.
* typeck.c (structural_comptypes): When comparing_specializations,
aliases are unequal.
(comptypes): When comparing_specializations, do structural
comparison.
2019-04-19 Jason Merrill <jason@redhat.com>
PR c++/90190 - CTAD with list-constructor.
* pt.c (do_class_deduction): Don't try the single element deduction
if the single element is also a braced list.
PR c++/90171 - ICE with destroying delete with size_t parm.
* call.c (sized_deallocation_fn_p): New. Use it instead of
second_parm_is_size_t in most cases.
(second_parm_is_size_t): Don't check for aligned.
2019-04-19 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/89900
* pt.c (fn_type_unification): When handling null explicit
arguments do not special case non-parameter packs.
2019-04-19 Jakub Jelinek <jakub@redhat.com>
PR c++/90138
* pt.c (process_template_parm): Set decl to pushdecl result. If
!is_non_type, also set parm to that.
PR c/89888
* decl.c (struct cp_switch): Remove outside_range_p member.
(push_switch): Don't clear it.
(pop_switch): Adjust c_do_switch_warnings caller.
(finish_case_label): Adjust c_add_case_label caller.
PR c++/90108
* decl.c (duplicate_decls): If remove is main variant and
DECL_ORIGINAL_TYPE is some other type, remove a DECL_ORIGINAL_TYPE
variant that has newdecl as TYPE_NAME if any.
2019-04-18 Jason Merrill <jason@redhat.com>
PR c++/87554 - ICE with extern template and reference member.
* decl.c (cp_finish_decl): Don't set DECL_INITIAL of external vars.
2019-04-17 Jason Merrill <jason@redhat.com>
PR c++/90047 - ICE with enable_if alias template.
* pt.c (tsubst_decl) [TYPE_DECL]: Don't put an erroneous decl in the
hash table when we're in SFINAE context.
2019-04-17 Marek Polacek <polacek@redhat.com>
PR c++/90124 - bogus error with incomplete type in decltype.
* typeck.c (build_class_member_access_expr): Check
cp_unevaluated_operand.
2019-04-12 Jakub Jelinek <jakub@redhat.com>
PR c/89933
* decl.c (duplicate_decls): When newdecl's type is its main variant,
don't try to remove it from the variant list, but instead assert
it has no variants.
2019-04-12 Martin Sebor <msebor@redhat.com>
PR c/88383
PR c/89288
* parser.c (cp_parser_has_attribute_expression): Handle assignment
expressions.
2019-04-12 Jason Merrill <jason@redhat.com>
* call.c (null_member_pointer_value_p): Handle an empty CONSTRUCTOR
of PMF type.
2019-04-12 Marek Polacek <polacek@redhat.com>
* except.c (build_noexcept_spec): Use build_converted_constant_bool_expr
instead of perform_implicit_conversion_flags.
PR c++/87603 - constexpr functions are no longer noexcept.
* constexpr.c (is_sub_constant_expr): Remove unused function.
* cp-tree.h (is_sub_constant_expr): Remove declaration.
* except.c (check_noexcept_r): Don't consider a call to a constexpr
function noexcept.
2019-04-11 Jakub Jelinek <jakub@redhat.com>
PR translation/90035
* parser.h (struct cp_parser): Add
type_definition_forbidden_message_arg member.
* parser.c (cp_debug_parser): Print it.
(cp_parser_check_type_definition): Pass
parser->type_definition_forbidden_message_arg as second argument to
error.
(cp_parser_has_attribute_expression, cp_parser_sizeof_operand): Set
parser->type_definition_forbidden_message_arg and use G_() with
%qs for parser->type_definition_forbidden_message instead of
building untranslatable message using concat.
2019-04-09 Jakub Jelinek <jakub@redhat.com>
PR translation/90011
* typeck2.c (check_narrowing): Remove trailing space from diagnostics.
2019-04-08 Marek Polacek <polacek@redhat.com>
* typeck2.c (digest_init_r): Don't condition the object slicing warning
on flag_checking.
2019-04-08 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/89914
* semantics.c (trait_expr_value): Don't use TYPE_NOTHROW_P
when maybe_instantiate_noexcept fails.
(classtype_has_nothrow_assign_or_copy_p): Likewise.
* method.c (implicitly_declare_fn): Avoid passing error_mark_node
to build_exception_variant.
2019-04-05 Marek Polacek <polacek@redhat.com>
PR c++/87145 - bogus error converting class type in template arg list.
* pt.c (convert_nontype_argument): Don't call
build_converted_constant_expr if it could involve calling a conversion
function with a instantiation-dependent constructor as its argument.
2019-04-05 Martin Sebor <msebor@redhat.com>
PR bootstrap/89980
* decl.c (reshape_init_array_1): Avoid treating empty strings
as zeros in array initializers.
Use trivial_type_p () instead of TYPE_HAS_TRIVIAL_DFLT().
2019-04-04 Jason Merrill <jason@redhat.com>
PR c++/89948 - ICE with break in statement-expr.
* constexpr.c (cxx_eval_statement_list): Jumping out of a
statement-expr is non-constant.
2019-04-04 Jason Merrill <jason@redhat.com>
PR c++/89966 - error with non-type auto tparm.
* pt.c (do_auto_deduction): Clear tf_partial.
2019-04-04 Jason Merrill <jason@redhat.com>
PR c++/86986 - ICE with TTP with parameter pack.
* pt.c (coerce_template_parameter_pack): Only look at the type of a
non-type parameter pack.
(fixed_parameter_pack_p_1): Don't recurse into the type of a
non-type parameter pack.
(coerce_template_template_parms): Call add_outermost_template_args.
2019-04-04 Martin Sebor <msebor@redhat.com>
PR c++/89974
PR c++/89878
PR c++/89833
PR c++/47488
* decl.c (reshape_init_array_1): Strip trailing zero-initializers
from arrays of trivial type and known size.
* mangle.c (write_expression): Convert braced initializer lists
to STRING_CSTs.
(write_expression): Trim trailing zero-initializers from arrays
of trivial type.
(write_template_arg_literal): Mangle strings the same as braced
initializer lists.
2019-04-03 Jason Merrill <jason@redhat.com>
PR c++/81866 - ICE with member template and default targ.
* pt.c (tsubst_template_decl): Handle getting a type from
retrieve_specialization.
PR c++/86586 - -fcompare-debug=-Wsign-compare.
* typeck.c (cp_build_binary_op): Don't fold for -Wsign-compare.
PR c++/89331 - ICE with offsetof in incomplete class.
* semantics.c (finish_offsetof): Handle error_mark_node.
* typeck.c (build_class_member_access_expr): Call
complete_type_or_maybe_complain before converting to base.
PR c++/89917 - ICE with lambda in variadic mem-init.
* pt.c (make_pack_expansion): Change type_pack_expansion_p to false.
2019-04-01 Jason Merrill <jason@redhat.com>
PR c++/86946 - ICE with function call in template argument.
DR 1321
* pt.c (iterative_hash_template_arg) [CALL_EXPR]: Use
dependent_name.
2019-04-01 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/62207
* pt.c (tsubst_copy): Deal with lookup_name not returing a variable.
2019-03-31 Marek Polacek <polacek@redhat.com>
PR c++/89852 - ICE with C++11 functional cast with { }.
* constexpr.c (fold_non_dependent_expr_template): New static function
broken out of...
(fold_non_dependent_expr): ...here.
(fold_non_dependent_init): New function.
* cp-tree.h (fold_non_dependent_init): Declare.
* typeck2.c (massage_init_elt): Call fold_non_dependent_init instead
of fold_non_dependent_expr. Don't call maybe_constant_init.
2019-03-30 Jason Merrill <jason@redhat.com>
PR c++/89744 - ICE with specialization of member class template.
* pt.c (lookup_template_class_1): If the partial instantiation is
explicitly specialized, adjust.
(maybe_process_partial_specialization): Also adjust
CLASSTYPE_TI_ARGS.
2019-03-29 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/89869
* typeck.c: Include gimplify.h.
(cp_build_modify_expr) <case COND_EXPR>: Unshare rhs before using it
for second time. Formatting fixes.
2019-03-29 Marek Polacek <polacek@redhat.com>
PR c++/89876 - ICE with deprecated conversion.
* call.c (convert_like_real): Only give warnings with tf_warning.
2019-03-28 Marek Polacek <polacek@redhat.com>
PR c++/89612 - ICE with member friend template with noexcept.
* pt.c (maybe_instantiate_noexcept): For function templates, use their
template result (function decl). Don't set up local specializations.
Temporarily turn on processing_template_decl. Update the template type
too.
PR c++/89836 - bool constant expression and explicit conversions.
* call.c (build_converted_constant_expr_internal): New function,
renamed from...
(build_converted_constant_expr): ...this. New.
(build_converted_constant_bool_expr): New.
* cp-tree.h (build_converted_constant_bool_expr): Declare.
* decl.c (build_explicit_specifier): Call
build_converted_constant_bool_expr.
2019-03-28 Jakub Jelinek <jakub@redhat.com>
PR c++/89785
* constexpr.c (struct check_for_return_continue_data): New type.
(check_for_return_continue): New function.
(potential_constant_expression_1) <case SWITCH_STMT>: Walk
SWITCH_STMT_BODY to find RETURN_EXPRs or CONTINUE_STMTs not nested
in loop bodies and set *jump_target to that if found.
2019-03-27 Jason Merrill <jason@redhat.com>
PR c++/89831 - error with qualified-id in const member function.
* semantics.c (finish_non_static_data_member): Use object cv-quals
in scoped case, too.
PR c++/89421 - ICE with lambda in template parameter list.
* parser.c (cp_parser_lambda_expression): Also reject a lambda in a
template parameter list before C++20.
* pt.c (type_dependent_expression_p): True for LAMBDA_EXPR.
* semantics.c (begin_class_definition): Restore error about defining
non-lambda class in template parm list.
2019-03-26 Jason Merrill <jason@redhat.com>
PR c++/86932 - missed SFINAE with empty pack.
* pt.c (coerce_template_parms): Don't add an empty pack if
tf_partial.
(fn_type_unification): Pass tf_partial to coerce_template_parms.
PR c++/86429 - constexpr variable in lambda.
PR c++/82643
PR c++/87327
* constexpr.c (cxx_eval_constant_expression): In a lambda function,
try evaluating the captured variable directly.
2019-03-26 Jakub Jelinek <jakub@redhat.com>
PR c++/89796
* semantics.c (finish_omp_atomic): Add warning_sentinel for
-Wunused-value around finish_expr_stmt call.
2019-03-25 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84661
PR c++/85013
* parser.c (cp_parser_binary_expression): Don't call cp_fully_fold
to undo the disabling of warnings.
2019-03-25 Jason Merrill <jason@redhat.com>
PR c++/87748 - substitution failure error with decltype.
* pt.c (most_specialized_partial_spec): Clear
processing_template_decl.
2019-03-25 Marek Polacek <polacek@redhat.com>
PR c++/89214 - ICE when initializing aggregates with bases.
* typeck2.c (digest_init_r): Warn about object slicing instead of
crashing.
PR c++/89705 - ICE with reference binding with conversion function.
* call.c (reference_binding): If the result of the conversion function
is a prvalue of non-class type, use the cv-unqualified type.
2019-03-25 Nathan Sidwell <nathan@acm.org>
* lambda.c (maybe_add_lambda_conv_op): Don't add to comdat group.
2019-03-22 Jakub Jelinek <jakub@redhat.com>
PR c++/60702
* cp-tree.h (get_tls_wrapper_fn): Remove declaration.
(maybe_get_tls_wrapper_call): Declare.
* decl2.c (get_tls_wrapper_fn): Make static.
(maybe_get_tls_wrapper_call): New function.
* typeck.c (build_class_member_access_expr): Handle accesses to TLS
variables.
* semantics.c (finish_qualified_id_expr): Likewise.
(finish_id_expression_1): Use maybe_get_tls_wrapper_call.
* pt.c (tsubst_copy_and_build): Likewise.
PR c++/87481
* constexpr.c (struct constexpr_ctx): Add constexpr_ops_count member.
(cxx_eval_constant_expression): When not skipping, not constant class
or location wrapper, increment *ctx->constexpr_ops_count and if it is
above constexpr_loop_nest_limit, diagnose failure.
(cxx_eval_outermost_constant_expr): Add constexpr_ops_count and
initialize ctx.constexpr_ops_count to its address.
(is_sub_constant_expr): Likewise.
2019-03-21 Jakub Jelinek <jakub@redhat.com>
PR c++/71446
* call.c (filed_in_pset): Change pset from hash_set<tree> * to
hash_set<tree, true> &, adjust uses accordingly.
(build_aggr_conv): Change pset from hash_set<tree> *
to hash_set<tree, true>. Replace goto fail; with return NULL;,
adjust pset uses.
PR c++/89767
* parser.c (cp_parser_lambda_introducer): Add ids and first_capture_id
variables, check for duplicates in this function.
* lambda.c (add_capture): Don't check for duplicates nor use
IDENTIFIER_MARKED.
(register_capture_members): Don't clear IDENTIFIER_MARKED here.
2019-03-21 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/89571
* method.c (after_nsdmi_defaulted_late_checks): Avoid passing
error_mark_node to comp_except_specs.
2019-03-20 Jason Merrill <jason@redhat.com>
PR c++/87480 - decltype of member access in default template arg
* pt.c (type_unification_real): Accept a dependent result in
template context.
2019-03-19 Martin Sebor <msebor@redhat.com>
PR tree-optimization/89688
* typeck2.c (store_init_value): Call braced_lists_to_string for more
kinds of initializers.
2019-03-18 Jason Merrill <jason@redhat.com>
PR c++/89630 - ICE with dependent using-decl as template arg.
* tree.c (cp_tree_equal): Always return false for USING_DECL.
PR c++/89761 - ICE with sizeof... in pack expansion.
* pt.c (argument_pack_element_is_expansion_p): Handle
ARGUMENT_PACK_SELECT.
PR c++/89640 - GNU attributes on lambda.
* parser.c (cp_parser_lambda_declarator_opt): Allow GNU attributes.
PR c++/89682 - wrong access error in default argument.
* pt.c (tsubst_default_argument): Don't defer access checks.
2019-03-18 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/85014
* semantics.c (finish_non_static_data_member): Check return value
of context_for_name_lookup and immediately return error_mark_node
if isn't a type.
2019-03-17 Jason Merrill <jason@redhat.com>
PR c++/89571 - ICE with ill-formed noexcept on constructor.
* pt.c (maybe_instantiate_noexcept): Only return false if defaulted.
(regenerate_decl_from_template): Use it for noexcept-specs.
2019-03-14 Jason Merrill <jason@redhat.com>
* parser.c (cp_parser_decl_specifier_seq): Support C++20
concept-definition syntax without 'bool'.
2019-03-14 Jakub Jelinek <jakub@redhat.com>
PR c++/89512
* semantics.c (finish_qualified_id_expr): Reject variable templates.
PR c++/89652
* constexpr.c (struct constexpr_ctx): Change save_exprs type from
hash_set<tree> to vec<tree>.
(cxx_eval_call_expression): Adjust for save_exprs being a vec instead
of hash_set.
(cxx_eval_loop_expr): Likewise. Truncate the vector after each
removal of SAVE_EXPRs from values.
(cxx_eval_constant_expression) <case SAVE_EXPR>: Call safe_push
method on save_exprs instead of add.
2019-03-13 Jason Merrill <jason@redhat.com>
PR c++/86521 - C++17 copy elision in initialization by constructor.
* call.c (joust_maybe_elide_copy): New.
(joust): Call it.
2019-03-13 Marek Polacek <polacek@redhat.com>
PR c++/88979 - further P0634 fix for constructors.
* parser.c (cp_parser_decl_specifier_seq): Pass flags to
cp_parser_constructor_declarator_p.
(cp_parser_direct_declarator): Allow missing typename for constructor
parameters.
(cp_parser_constructor_declarator_p): Add FLAGS parameter. Pass it to
cp_parser_type_specifier.
PR c++/89686 - mixing init-capture and simple-capture in lambda.
* parser.c (cp_parser_lambda_introducer): Give error when combining
init-capture and simple-capture.
PR c++/89660 - bogus error with -Wredundant-move.
* typeck.c (maybe_warn_pessimizing_move): Only accept (T &) &arg
as the std::move's argument. Don't call convert_for_initialization
when warn_redundant_move isn't on.
2019-03-11 Jason Merrill <jason@redhat.com>
PR c++/86521 - wrong overload resolution with ref-qualifiers.
* call.c (build_user_type_conversion_1): Don't use a conversion to a
reference of the wrong rvalueness for direct binding.
2019-03-11 Martin Liska <mliska@suse.cz>
* cvt.c (build_expr_type_conversion): Wrap apostrophes
in gcc internal format with %'.
* decl.c (check_no_redeclaration_friend_default_args): Likewise.
(grokfndecl): Likewise.
* name-lookup.c (do_pushtag): Likewise.
* pt.c (unify_parameter_deduction_failure): Likewise.
(unify_template_deduction_failure): Likewise.
2019-03-11 Martin Liska <mliska@suse.cz>
* call.c (convert_arg_to_ellipsis): Wrap an option name
in a string format message and fix GNU coding style.
(build_over_call): Likewise.
* class.c (check_field_decl): Likewise.
(layout_nonempty_base_or_field): Likewise.
* constexpr.c (cxx_eval_loop_expr): Likewise.
* cvt.c (type_promotes_to): Likewise.
* decl.c (cxx_init_decl_processing): Likewise.
(mark_inline_variable): Likewise.
(grokdeclarator): Likewise.
* decl2.c (record_mangling): Likewise.
* error.c (maybe_warn_cpp0x): Likewise.
* except.c (doing_eh): Likewise.
* mangle.c (maybe_check_abi_tags): Likewise.
* parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
(cp_parser_userdef_numeric_literal): Likewise.
(cp_parser_primary_expression): Likewise.
(cp_parser_unqualified_id): Likewise.
(cp_parser_pseudo_destructor_name): Likewise.
(cp_parser_builtin_offsetof): Likewise.
(cp_parser_lambda_expression): Likewise.
(cp_parser_lambda_introducer): Likewise.
(cp_parser_lambda_declarator_opt): Likewise.
(cp_parser_selection_statement): Likewise.
(cp_parser_init_statement): Likewise.
(cp_parser_decomposition_declaration): Likewise.
(cp_parser_function_specifier_opt): Likewise.
(cp_parser_static_assert): Likewise.
(cp_parser_simple_type_specifier): Likewise.
(cp_parser_namespace_definition): Likewise.
(cp_parser_using_declaration): Likewise.
(cp_parser_ctor_initializer_opt_and_function_body): Likewise.
(cp_parser_initializer_list): Likewise.
(cp_parser_type_parameter_key): Likewise.
(cp_parser_member_declaration): Likewise.
(cp_parser_try_block): Likewise.
(cp_parser_std_attribute_spec): Likewise.
(cp_parser_requires_clause_opt): Likewise.
* pt.c (check_template_variable): Likewise.
(check_default_tmpl_args): Likewise.
(push_tinst_level_loc): Likewise.
(instantiate_pending_templates): Likewise.
(invalid_nontype_parm_type_p): Likewise.
* repo.c (get_base_filename): Likewise.
* rtti.c (typeid_ok_p): Likewise.
(build_dynamic_cast_1): Likewise.
* tree.c (maybe_warn_parm_abi): Likewise.
2019-03-08 Jakub Jelinek <jakub@redhat.com>
PR other/80058
* parser.c (cp_parser_template_declaration_after_parameters): Avoid
one space before " at the end of line and another after " on another
line in a string literal.
PR tree-optimization/89550
* semantics.c (maybe_convert_cond): Only set TREE_NO_WARNING if
warning_at returned true.
* decl2.c (c_parse_final_cleanups): Likewise.
* typeck.c (convert_for_assignment): Likewise.
* decl.c (finish_function): Likewise.
PR c++/89585
* parser.c (cp_parser_asm_definition): Just warn instead of error
on volatile qualifier outside of function body.
PR c++/89599
* constexpr.c (potential_constant_expression_1): Reject
REINTERPRET_CAST_P NOP_EXPRs.
PR c++/89622
* call.c (joust): Call print_z_candidate only if pedwarn returned
true.
2019-03-07 Jason Merrill <jason@redhat.com>
PR c++/88123 - lambda and using-directive.
* name-lookup.c (op_unqualified_lookup)
(maybe_save_operator_binding, discard_operator_bindings)
(push_operator_bindings): New.
* typeck.c (build_x_binary_op, build_x_unary_op): Call
maybe_save_operator_binding.
* decl.c (start_preparsed_function): Call push_operator_bindings.
* tree.c (cp_free_lang_data): Call discard_operator_bindings.
PR c++/88820 - ICE with CTAD and member template used in DMI.
* pt.c (do_class_deduction): Handle parm used as its own arg.
2019-03-07 Jakub Jelinek <jakub@redhat.com>
PR c++/89585
* parser.c (cp_parser_asm_definition): Parse asm qualifiers even
at toplevel, but diagnose them.
2019-03-06 Jason Merrill <jason@redhat.com>
PR c++/89381 - implicit copy and using-declaration.
* class.c (classtype_has_move_assign_or_move_ctor_p): Don't consider
op= brought in by a using-declaration.
2019-03-06 Jakub Jelinek <jakub@redhat.com>
PR c++/87148
* init.c (build_value_init_noctor): Ignore flexible array members.
2019-03-06 Jason Merrill <jason@redhat.com>
PR c++/89576 - if constexpr of lambda capture.
* semantics.c (maybe_convert_cond): Do convert a non-dependent
condition in a template.
* typeck.c (condition_conversion): Handle being called in a
template.
2019-03-06 Marek Polacek <polacek@redhat.com>
PR c++/87378 - bogus -Wredundant-move warning.
* typeck.c (maybe_warn_pessimizing_move): See if the maybe-rvalue
overload resolution would actually succeed.
2019-03-05 Jason Merrill <jason@redhat.com>
* class.c (is_really_empty_class): Add ignore_vptr parm.
(trivial_default_constructor_is_constexpr): Pass it.
* call.c (build_over_call): Pass it.
* constexpr.c (cxx_eval_constant_expression): Pass it instead of
checking TYPE_POLYMORPHIC_P.
(cxx_eval_component_reference, potential_constant_expression_1):
Pass it.
* cp-gimplify.c (simple_empty_class_p): Pass it.
* init.c (expand_aggr_init_1): Pass it.
2019-03-04 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84605
* parser.c (cp_parser_class_head): Reject TYPE_BEING_DEFINED too.
2019-03-04 Jakub Jelinek <jakub@redhat.com>
PR c++/71446
* call.c (field_in_pset): New function.
(build_aggr_conv): Handle CONSTRUCTOR_IS_DESIGNATED_INIT correctly.
2019-03-02 Jakub Jelinek <jakub@redhat.com>
PR c++/71446
* cp-tree.h (CONSTRUCTOR_IS_DESIGNATED_INIT): Define.
* parser.c (cp_parser_braced_list): Adjust cp_parser_initializer_list
caller, set CONSTRUCTOR_IS_DESIGNATED_INIT.
(cp_parser_initializer_list): Add designated parameter, set *designated
to a bool whether any designators were parsed.
* decl.c (reshape_init): Copy over CONSTRUCTOR_IS_DESIGNATED_INIT if
needed.
* pt.c (tsubst_copy_and_build): Likewise.
* call.c (implicit_conversion): If CONSTRUCTOR_IS_DESIGNATED_INIT,
don't call build_list_conv, nor build_complex_conv, nor attempt to
convert a single element initializer to scalar.
2019-03-01 Marek Polacek <polacek@redhat.com>
PR c++/89537 - missing location for error with non-static member fn.
* call.c (resolve_args): Use EXPR_LOCATION.
* typeck.c (build_class_member_access_expr): Use input_location.
PR c++/89532 - ICE with incomplete type in decltype.
* semantics.c (finish_compound_literal): Return error_mark_node
if digest_init_flags returns error_mark_node.
2019-03-01 Jakub Jelinek <jakub@redhat.com>
Implement P1002R1, Try-catch blocks in constexpr functions
PR c++/89513
* parser.c (cp_parser_ctor_initializer_opt_and_function_body):
Diagnose constexpr ctor or function with function-try-block with
pedwarn for c++17 and earlier. Formatting fix.
(cp_parser_try_block): Use pedwarn instead of error and only for
c++17 and earlier when try block appears in constexpr function.
* constexpr.c (build_constexpr_constructor_member_initializers):
Handle TRY_BLOCK here instead of erroring on it.
2019-02-28 Jason Merrill <jason@redhat.com>
PR c++/88183 - ICE with .* fold-expression.
* pt.c (fold_expression) [DOTSTAR_EXPR]: Remove special handling.
PR c++/86969 - ICE with constexpr if and recursive generic lambdas.
* class.c, lambda.c, pt.c: Revert earlier change.
* lambda.c (add_capture): Don't special-case capture of dependent
VLA.
* name-lookup.c (print_binding_level): Print this_entity.
2019-02-27 Marek Polacek <polacek@redhat.com>
PR c++/88857 - ICE with value-initialization of argument in template.
* call.c (convert_like_real): Don't call build_value_init in template.
2019-02-27 Jason Merrill <jason@redhat.com>
PR c++/86969 - ICE with constexpr if and recursive generic lambdas.
* semantics.c (process_outer_var_ref): Do capture dependent vars.
* class.c (finish_struct): Only add TAG_DEFN if T is in
current_function_decl.
* lambda.c (vla_capture_type): Force the capture type out into the
lambda's enclosing function.
(add_capture): Pass in the lambda.
* pt.c (tsubst_lambda_expr): complete_type a VLA capture type.
2019-02-27 Marek Polacek <polacek@redhat.com>
PR c++/89511 - ICE with using-declaration and unscoped enumerator.
* parser.c (cp_parser_using_declaration): For an unscoped enum
only use its context if it's not a function declaration.
2019-02-27 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/89488
* method.c (process_subob_fn): When maybe_instantiate_noexcept
returns false don't call merge_exception_specifiers.
2019-02-27 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/88987
* parser.c (cp_parser_noexcept_specification_opt): Return NULL_TREE
for a non-constant parsed expression.
2019-02-26 Jakub Jelinek <jakub@redhat.com>
PR c++/89481
* constexpr.c (cxx_eval_store_expression): When changing active union
member, set no_zero_init.
2019-02-23 Marek Polacek <polacek@redhat.com>
PR c++/88294 - ICE with non-constant noexcept-specifier.
* pt.c (maybe_instantiate_noexcept): Set up the list of local
specializations. Set current_class_{ptr,ref}.
2019-02-22 David Malcolm <dmalcolm@redhat.com>
PR c++/89390
* parser.c (cp_parser_unqualified_id): Capture and use locations
for destructors.
2019-02-22 Marek Polacek <polacek@redhat.com>
PR c++/89420 - ICE with CAST_EXPR in explicit-specifier.
* decl.c (build_explicit_specifier): Don't check
processing_template_decl. Call instantiation_dependent_expression_p
instead of value_dependent_expression_p. Call
instantiate_non_dependent_expr_sfinae before
build_converted_constant_expr instead of calling
instantiate_non_dependent_expr after it. Add
processing_template_decl_sentinel.
2019-02-22 Thomas Schwinge <thomas@codesourcery.com>
* parser.c (cp_parser_oacc_simple_clause): Remove parser formal
parameter, move loc formal parameter to the front. Adjust all
users.
(cp_parser_oacc_shape_clause): Add loc formal parameter. Adjust
all users.
2019-02-21 Jason Merrill <jason@redhat.com>
PR c++/87685 - generic lambda 'this' capture error.
* lambda.c (lambda_expr_this_capture): Change add_capture_p to int.
(maybe_generic_this_capture): Pass -1.
PR c++/88394 - ICE with VLA init-capture.
* lambda.c (is_normal_capture_proxy): Check DECL_CAPTURED_VARIABLE.
PR c++/88869 - C++17 ICE with CTAD and explicit specialization.
* pt.c (do_class_deduction): Don't include explicit specialization
args in outer_args.
PR c++/89422 - ICE with -g and lambda in default arg in template.
* pt.c (tsubst_function_decl): SET_DECL_FRIEND_CONTEXT sooner.
2019-02-21 Jason Merrill <jason@redhat.com>
PR c++/88419 - C++17 ICE with class template arg deduction.
* pt.c (make_template_placeholder): Set TYPE_CANONICAL after
CLASS_PLACEHOLDER_TEMPLATE.
2019-02-21 Jakub Jelinek <jakub@redhat.com>
PR c++/89285
* constexpr.c (struct constexpr_fundef): Add parms and result members.
(retrieve_constexpr_fundef): Adjust for the above change.
(register_constexpr_fundef): Save constexpr body with copy_fn,
temporarily set DECL_CONTEXT on DECL_RESULT before that.
(get_fundef_copy): Change FUN argument to FUNDEF with
constexpr_fundef * type, grab body and parms/result out of
constexpr_fundef struct and temporarily change it for copy_fn calls
too.
(cxx_eval_builtin_function_call): For __builtin_FUNCTION temporarily
adjust current_function_decl from ctx->call context. Test
!potential_constant_expression instead of !is_constant_expression.
(cxx_bind_parameters_in_call): Grab parameters from new_call. Undo
convert_for_arg_passing changes for TREE_ADDRESSABLE type passing.
(cxx_eval_call_expression): Adjust get_fundef_copy caller.
(cxx_eval_conditional_expression): For IF_STMT, allow then or else
operands to be NULL.
(label_matches): Handle BREAK_STMT and CONTINUE_STMT.
(cxx_eval_loop_expr): Add support for FOR_STMT, WHILE_STMT and DO_STMT.
(cxx_eval_switch_expr): Add support for SWITCH_STMT.
(cxx_eval_constant_expression): Handle IF_STMT, FOR_STMT, WHILE_STMT,
DO_STMT, CONTINUE_STMT, SWITCH_STMT, BREAK_STMT and CONTINUE_STMT.
For SIZEOF_EXPR, recurse on the result of fold_sizeof_expr. Ignore
DECL_EXPR with USING_DECL operand.
* lambda.c (maybe_add_lambda_conv_op): Build thisarg using
build_int_cst to make it a valid constant expression.
2019-02-20 Jason Merrill <jason@redhat.com>
PR c++/88690 - C++17 ICE with empty base in aggregate.
* typeck2.c (process_init_constructor_record): Skip trivial
initialization of an empty base.
2019-02-21 Richard Biener <rguenther@suse.de>
PR middle-end/89392
* vtable-class-hierarchy.c (vtv_generate_init_routine): Do not
make symtab process new functions here.
2019-02-20 Jason Merrill <jason@redhat.com>
PR c++/87921 - wrong error with inline static data member.
* decl2.c (finish_static_data_member_decl): Don't set DECL_IN_AGGR_P
for a non-template inline variable. Do nothing for an
already-instantiated variable.
(c_parse_final_cleanups): Check DECL_IN_AGGR_P without
DECL_INLINE_VAR_P.
* decl.c (check_initializer): Likewise.
(make_rtl_for_nonlocal_decl): Likewise.
* pt.c (instantiate_decl): Likewise.
* typeck2.c (store_init_value): Likewise.
2019-02-20 Jakub Jelinek <jakub@redhat.com>
PR c++/89403
* decl2.c (c_parse_final_cleanups): Move TREE_ASM_WRITTEN setting
for flag_syntax_only from here...
* semantics.c (expand_or_defer_fn_1): ... here.
PR c++/89405
* decl.c (maybe_commonize_var): When clearing TREE_PUBLIC and
DECL_COMMON, set DECL_INTERFACE_KNOWN.
PR c++/89336
* constexpr.c (cxx_eval_store_expression): Diagnose changing of active
union member for -std=c++17 and earlier.
2019-02-19 Jason Merrill <jason@redhat.com>
PR c++/87513 - 'sorry' mangling PMF template-id.
* mangle.c (write_expression): Handle SCOPE_REF to BASELINK.
2019-02-19 Jason Merrill <jason@redhat.com>
PR c++/88380 - wrong-code with flexible array and NSDMI.
* typeck2.c (process_init_constructor_record): Skip flexarrays.
2019-02-20 will wray <wjwray@gmail.com>
PR c++/88572 - wrong handling of braces on scalar init.
* decl.c (reshape_init_r): Allow braces around scalar initializer
within aggregate init. Reject double braced-init of scalar
variable.
2019-02-20 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84536
* pt.c (tsubst_init): Diagnose an initializer expanding to an
empty list of expressions; tweak wrt dependent types.
(regenerate_decl_from_template): For VAR_DECLs call tsubst_init
instead of tsubst_expr.
2019-02-19 Jason Merrill <jason@redhat.com>
PR c++/88368 - wrong 'use of deleted function'
* method.c (walk_field_subobs): Remember errors from get_nsdmi.
(get_defaulted_eh_spec): Call push_tinst_level.
* pt.c (maybe_instantiate_noexcept): Keep error_mark_node.
* typeck2.c (merge_exception_specifiers): Handle error_mark_node.
2019-02-19 Chung-Lin Tang <cltang@codesourcery.com>
PR c/87924
* parser.c (cp_parser_oacc_clause_wait): Add representation of wait
clause without argument as 'wait (GOMP_ASYNC_NOVAL)', adjust comments.
2019-02-19 Jakub Jelinek <jakub@redhat.com>
PR c++/89387
* lambda.c (maybe_generic_this_capture): Don't check
DECL_NONSTATIC_MEMBER_FUNCTION_P on USING_DECLs.
PR c++/89391
* typeck.c (build_reinterpret_cast_1): Don't handle void to
&& conversion go through build_target_expr_with_type.
PR c++/89390
* error.c (qualified_name_lookup_error): Only call
suggest_alternative_in_scoped_enum if name is IDENTIFIER_NODE.
2019-02-19 Tom Honermann <tom@honermann.net>
* name-lookup.c (get_std_name_hint): Added u8string as a name hint.
2019-02-18 Jason Merrill <jason@redhat.com>
PR c++/89336 - multiple stores in constexpr stmt.
* constexpr.c (cxx_eval_store_expression): Preevaluate scalar or
assigned value.
* pt.c (check_explicit_specialization): If the declarator is a
template-id, only check whether the arguments are dependent.
Improve duplicate [[likely]] diagnostic.
* parser.c (cp_parser_statement): Make attrs_loc a range. Pass it
to process_stmt_hotness_attribute.
* cp-gimplify.c (process_stmt_hotness_attribute): Take attrs_loc.
(genericize_if_stmt): Use likely/unlikely instead of predictor_name.
2019-02-17 Marek Polacek <polacek@redhat.com>
PR c++/89217 - ICE with list-initialization in range-based for loop.
* constexpr.c (unshare_constructor): No longer static.
* cp-tree.h (unshare_constructor): Declare.
* semantics.c (finish_compound_literal): When dealing with a
non-dependent expression in a template, return the original
expression. Pass LOOKUP_NO_NARROWING to digest_init_flags.
2019-02-13 Marek Polacek <polacek@redhat.com>
PR c++/89297 - ICE with OVERLOAD in template.
* semantics.c (finish_compound_literal): Call
instantiate_non_dependent_expr_sfinae.
2019-02-13 Alexandre Oliva <aoliva@redhat.com>
PR c++/86379
* cp-tree.h (USING_DECL_SCOPE): Use result rather than type.
* name-lookup.c (strip_using_decl): Use USING_DECL_SCOPE.
* search.c (protected_accessible_p): Follow USING_DECL_DECLS.
(shared_member_p): Likewise.
(lookup_member): Likewise.
* decl.c (grok_special_member_properties): Skip USING_DECLs.
* semantics.c (finish_omp_declare_simd_methods): Likewise.
(finish_qualified_id_expr): Do not call shared_member_p with
a dependent expr.
PR c++/87322
* pt.c (tsubst_lambda_expr): Avoid duplicate tsubsting.
Move cp_evaluated resetting before signature tsubsting.
(gen_elem_of_pack_expansion_instantiation): Separate local
specializations per index.
2019-02-13 David Malcolm <dmalcolm@redhat.com>
PR c++/89036
* class.c (add_method): Drop destructor assertion.
2019-02-13 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/88986
* decl.c (make_typename_type): Allow for TYPE_PACK_EXPANSION as
context (the first argument).
* pt.c (tsubst, case TYPENAME_TYPE): Handle TYPE_PACK_EXPANSION
as context.
2019-02-12 Jason Merrill <jason@redhat.com>
PR c++/89144 - link error with constexpr initializer_list.
* call.c (convert_like_real) [ck_list]: Don't allocate a temporary
array for an empty list.
* typeck2.c (store_init_value): Don't use cxx_constant_init in a
template.
2019-02-11 Jason Merrill <jason@redhat.com>
PR c++/89241 - ICE with __func__ in lambda in template.
* pt.c (enclosing_instantiation_of): Also check
instantiated_lambda_fn_p for the template context.
2019-02-11 Marek Polacek <polacek@redhat.com>
PR c++/89212 - ICE converting nullptr to pointer-to-member-function.
* pt.c (tsubst_copy_and_build) <case CONSTRUCTOR>: Return early for
null member pointer value.
2019-02-11 Jakub Jelinek <jakub@redhat.com>
PR c++/88977
* pt.c (convert_nontype_argument): Pass true as manifestly_const_eval
to maybe_constant_value calls.
2019-02-11 Marek Polacek <polacek@redhat.com>
* typeck2.c (digest_init_r): Remove commented code.
2019-02-11 Martin Sebor <msebor@redhat.com>
PR c++/87996
* decl.c (compute_array_index_type_loc): Preserve signed sizes
for diagnostics. Call valid_array_size_p instead of error.
* init.c (build_new_1): Compute size for diagnostic. Call
invalid_array_size_error
(build_new): Call valid_array_size_p instead of error.
2019-02-07 Alexandre Oliva <aoliva@redhat.com>
PR c++/86218
* call.c (compare_ics): Deal with ck_aggr in either cs.
2019-02-06 David Malcolm <dmalcolm@redhat.com>
PR c++/71302
* call.c (get_location_for_expr_unwinding_for_system_header): New
function.
(conversion_null_warnings): Use it when getting locations for
EXPR, effectively adding a call to
get_location_for_expr_unwinding_for_system_header for
-Wconversion-null and making use of EXPR_LOCATION for
-Wzero-as-null-pointer-constant.
2019-02-05 Jakub Jelinek <jakub@redhat.com>
PR c++/89187
* optimize.c (maybe_thunk_body): Clear TREE_ADDRESSABLE on
PARM_DECLs of the thunk.
* lambda.c (maybe_add_lambda_conv_op): Likewise.
2019-02-05 Marek Polacek <polacek@redhat.com>
PR c++/89158 - by-value capture of constexpr variable broken.
* call.c (convert_like_real) <case ck_user>: Call mark_exp_read
instead of mark_rvalue_use.
2019-02-05 Alexandre Oliva <aoliva@redhat.com>
PR c++/87770
* pt.c (instantiates_primary_template_p): New.
(type_dependent_expression_p): Use it.
2019-02-01 Jason Merrill <jason@redhat.com>
PR c++/88761 - ICE with reference capture of constant.
* lambda.c (mark_const_cap_r): Do walk subtrees of DECL_EXPR for
non-proxy decls.
2019-02-01 Marek Polacek <polacek@redhat.com>
PR c++/88325 - ICE with invalid out-of-line template member definition.
* parser.c (cp_parser_class_name): Don't call make_typename_type
for overloads.
2019-02-01 Jakub Jelinek <jakub@redhat.com>
PR c++/87175
* parser.c (cp_parser_gnu_attributes_opt): Set ok to false
if require_open failed.
2019-01-31 Marek Polacek <polacek@redhat.com>
PR c++/89083, c++/80864 - ICE with list initialization in template.
* constexpr.c (adjust_temp_type): Use copy_node and change the type
instead of using build_constructor.
* decl.c (reshape_init_r): Don't reshape a digested initializer.
Return the initializer for COMPOUND_LITERAL_P.
PR c++/88983 - ICE with switch in constexpr function.
* constexpr.c (cxx_eval_switch_expr): Use SWITCH_COND and SWITCH_BODY.
(cxx_eval_constant_expression) <case COND_EXPR>: Don't look for the
label in the else branch if we found it in the then branch.
2019-01-30 Jason Merrill <jason@redhat.com>
PR c++/88752 - ICE with lambda and constexpr if.
* cp-tree.h (LAMBDA_EXPR_INSTANTIATED): New.
* pt.c (tsubst_lambda_expr): Set it.
(instantiated_lambda_fn_p): Check it.
(enclosing_instantiation_of): Use it.
2019-01-31 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/88170
* cxx-pretty-print.c (pp_cxx_enumeration_constant): Print always as
a C cast in pp_c_flag_gnu_v3 mode.
2019-01-30 Jakub Jelinek <jakub@redhat.com>
PR c++/88988
* lambda.c (is_capture_proxy): Don't return true for
DECL_OMP_PRIVATIZED_MEMBER artificial vars.
2019-01-30 Marek Polacek <polacek@redhat.com>
PR c++/89119 - ICE with value-initialization in template.
* pt.c (tsubst_copy_and_build): Handle RANGE_EXPR.
2019-01-29 Jason Merrill <jason@redhat.com>
PR c++/86943 - wrong code converting lambda to function pointer.
* lambda.c (maybe_add_lambda_conv_op): Use a template-id in the
call. Only forward parms for decltype.
* pt.c (tsubst_copy_and_build) [CALL_EXPR]: Handle CALL_FROM_THUNK_P
specially.
* typeck.c (check_return_expr): Don't mess with a thunk call.
2019-01-28 Jason Merrill <jason@redhat.com>
PR c++/89089 - ICE with [[no_unique_address]].
PR c++/88865 - wrong layout with [[no_unique_address]].
* class.c (check_field_decls): A potentially-overlapping field makes
the class non-layout-POD, but not non-empty.
(end_of_class): Always consider empty data members.
(layout_class_type): Set DECL_SIZE for empty fields.
2019-01-28 Marek Polacek <polacek@redhat.com>
PR c++/88358 - name wrongly treated as type.
* parser.c (cp_parser_direct_declarator): Don't assume a qualified-id
in parameter-list is a type if the function's declarator-id is not
qualified.
2019-01-27 Marek Polacek <polacek@redhat.com>
PR c++/88815 - narrowing conversion lost in decltype.
PR c++/78244 - narrowing conversion in template not detected.
* cp-tree.h (CONSTRUCTOR_IS_DEPENDENT): New.
* pt.c (instantiation_dependent_r): Consider a CONSTRUCTOR with
CONSTRUCTOR_IS_DEPENDENT instantiation-dependent.
* semantics.c (finish_compound_literal): When the compound literal
isn't instantiation-dependent and the type isn't type-dependent,
fall back to the normal processing. Set CONSTRUCTOR_IS_DEPENDENT.
PR c++/89024 - ICE with incomplete enum type.
* call.c (standard_conversion): When converting an
ARITHMETIC_TYPE_P to an incomplete type, return NULL.
2019-01-25 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/88969
* call.c (build_op_delete_call): Implement 7.6.2.5/(10.1).
* decl2.c (coerce_delete_type): Use build_pointer_type instead
of TYPE_POINTER_TO.
2019-01-24 Jason Merrill <jason@redhat.com>
PR c++/89001 - mangling of reference temporaries
* cp-tree.h (struct saved_scope): Add ref_temp_count.
(current_ref_temp_count): New macro.
* mangle.c (mangle_ref_init_variable): Use it.
* typeck2.c (store_init_value): Clear it.
* call.c (make_temporary_var_for_ref_to_temp): Copy public and
comdat.
2019-01-24 Jakub Jelinek <jakub@redhat.com>
PR c++/88976
* semantics.c (finish_omp_cancel): Diagnose more than one if
on #pragma omp cancel with different modifiers. Use
maybe_convert_cond when not in template or build_x_binary_op
otherwise.
2019-01-23 Marek Polacek <polacek@redhat.com>
PR c++/88757 - qualified name treated wrongly as type.
* parser.c (cp_parser_direct_declarator): Don't treat qualified-ids
in parameter-list as types if name lookup for declarator-id didn't
find one or more function templates.
2019-01-23 Jakub Jelinek <jakub@redhat.com>
PR c/44715
* cp-gimplify.c (genericize_cp_loop): Call begin_bc_block only
after genericizing cond and incr expressions.
PR c++/88984
* cp-gimplify.c (genericize_switch_stmt): Move cond genericization
before the begin_bc_block call.
2019-01-21 Jason Merrill <jason@redhat.com>
PR c++/87893 - constexpr ctor ICE on ARM.
PR c++/88293 - ICE with comma expression.
* constexpr.c (initialized_type): Don't shortcut non-void type.
Handle COMPOUND_EXPR.
(cxx_eval_outermost_constant_expr): Return early for void type.
2019-01-21 Jakub Jelinek <jakub@redhat.com>
PR c++/88949
* optimize.c (cxx_copy_decl): New function.
(clone_body): Use it instead of copy_decl_no_change.
PR sanitizer/88901
* typeck.c (cp_build_binary_op): Don't instrument
SANITIZE_POINTER_COMPARE if processing_template_decl.
(pointer_diff): Similarly for SANITIZE_POINTER_SUBTRACT.
2019-01-18 Jason Merrill <jason@redhat.com>
PR c++/88875 - error with explicit list constructor.
* call.c (reference_binding): Don't modify EXPR. Set
need_temporary_p on the ck_user conversion for a temporary.
(convert_like_real): Check it.
2019-01-18 H.J. Lu <hongjiu.lu@intel.com>
PR c/51628
PR c/88664
* call.c (convert_for_arg_passing): Upate the
warn_for_address_or_pointer_of_packed_member call.
* typeck.c (convert_for_assignment): Likewise.
2019-01-17 Jason Merrill <jason@redhat.com>
PR c++/86205 - ICE with ?: of throw and template-id.
* pt.c (resolve_nondeduced_context_or_error): Split out from...
* typeck.c (decay_conversion): ...here.
* call.c (build_conditional_expr_1): Use it.
PR c++/86740, ICE with constexpr if and nested generic lambdas.
* tree.c (cp_walk_subtrees): Handle LAMBDA_EXPR.
2019-01-17 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (grokdeclarator): Use typespec_loc in error messages
about 'auto' and trailing return type.
2019-01-17 David Malcolm <dmalcolm@redhat.com>
PR c++/88699
* class.c (add_method): Don't use DECL_DESTRUCTOR_P on
USING_DECLs.
2019-01-17 Nathan Sidwell <nathan@acm.org>
PR c++/86610
* semantics.c (process_outer_var_ref): Only skip dependent types
in templates.
2019-01-17 Alexandre Oliva <aoliva@redhat.com>
PR c++/87768
* cp-tree.h (saved_scope): Add suppress_location_wrappers.
* name-lookup.c (do_push_to_top_level): Save and reset it.
(do_pop_from_top_level): Restore it.
PR c++/86648
* pt.c (make_template_placeholder): Use auto_identifier.
(is_auto): Drop CLASS_PLACEHOLDER_TEMPLATE test.
* error.c (dump_type): Handle template placeholders.
* cxx-pretty-print.c (pp_cx_unqualified_id): Likewise.
PR c++/88146
* cvt.c (convert_to_void): Handle all cdtor calls as if
returning void.
2019-01-16 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (grokdeclarator): Use locations[ds_storage_class] in
error messages about ill-formed uses of mutable.
2019-01-16 Marek Polacek <polacek@redhat.com>
PR c++/78244 - narrowing conversion in template not detected.
* call.c (perform_implicit_conversion_flags): Set
IMPLICIT_CONV_EXPR_BRACED_INIT.
* cp-tree.h (IMPLICIT_CONV_EXPR_BRACED_INIT): New.
* pt.c (tsubst_copy_and_build): Use it.
2019-01-15 David Malcolm <dmalcolm@redhat.com>
PR c++/88795
* pt.c (build_deduction_guide): Bail out if tsubst_arg_types
fails.
2019-01-15 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (start_decl): Improve error location.
* decl2.c (grokfield): Likewise.
2019-01-15 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (grokdeclarator): Move further up the location_t loc
declaration and use the location when building a TYPE_DECL for
a typedef name.
* decl2.c (grokbitfield): Use DECL_SOURCE_LOCATION in the error
about an ill-formed bit-field as typedef.
2019-01-14 Marek Polacek <polacek@redhat.com>
PR c++/88830 - ICE with abstract class.
* decl2.c (maybe_emit_vtables): Check CLASSTYPE_LAZY_DESTRUCTOR.
Fix formatting.
PR c++/88825 - ICE with bogus function return type deduction.
* typeck.c (can_do_nrvo_p): Check error_mark_node.
2019-01-14 Tom Honermann <tom@honermann.net>
Implement P0482R5, char8_t: A type for UTF-8 characters and strings
* cvt.c (type_promotes_to): Handle char8_t promotion.
* decl.c (grokdeclarator): Handle invalid type specifier
combinations involving char8_t.
* lex.c (init_reswords): Add char8_t as a reserved word.
* mangle.c (write_builtin_type): Add name mangling for char8_t (Du).
* parser.c (cp_keyword_starts_decl_specifier_p)
(cp_parser_simple_type_specifier): Recognize char8_t as a simple
type specifier.
(cp_parser_string_literal): Use char8_array_type_node for the type
of CPP_UTF8STRING.
(cp_parser_set_decl_spec_type): Tolerate char8_t typedefs in system
headers.
* rtti.c (emit_support_tinfos): type_info support for char8_t.
* tree.c (char_type_p): Recognize char8_t as a character type.
* typeck.c (string_conv_p): Handle conversions of u8 string
literals of char8_t type.
(check_literal_operator_args): Handle UDLs with u8 string literals
of char8_t type.
* typeck2.c (ordinary_char_type_p): New.
(digest_init_r): Disallow initializing a char array with a u8 string
literal.
2019-01-14 Martin Liska <mliska@suse.cz>
PR gcov-profile/88263
* decl2.c (get_tls_wrapper_fn): Use DECL_SOURCE_LOCATION
as location of the TLS wrapper.
2019-01-12 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (cp_finish_decl): Improve error location.
* decl2.c (grokfield): Likewise, improve two locations.
2019-01-11 Marek Polacek <polacek@redhat.com>
PR c++/88692, c++/87882 - -Wredundant-move false positive with *this.
* typeck.c (maybe_warn_pessimizing_move): Return if ARG isn't
ADDR_EXPR.
2019-01-11 Jason Merrill <jason@redhat.com>
PR c++/88312 - pack expansion of decltype.
* pt.c (instantiation_dependent_r): A template non-type parameter
pack is instantiation-dependent.
2019-01-11 Jason Merrill <jason@redhat.com>
PR c++/88613 - ICE with use of const var in lambda.
* expr.c (mark_use): Fix location wrapper handling.
* cp-gimplify.c (cp_fold_maybe_rvalue): Call mark_rvalue_use.
2019-01-11 Tobias Burnus <burnus@net-b.de>
PR C++/88114
* decl2.c (maybe_emit_vtables): If needed, generate code for
the destructor of an abstract class.
(mark_used): Update comment for older function-name change.
2019-01-11 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (start_decl): Improve error location.
(grokdeclarator): Likewise, improve two locations.
2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
PR other/16615
* cp-tree.h: Mechanically replace "can not" with "cannot".
* parser.c: Likewise.
* pt.c: Likewise.
2019-01-08 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (grok_reference_init): Improve error location.
(grokdeclarator): Likewise, improve two locations.
2019-01-08 Marek Polacek <polacek@redhat.com>
PR c++/88538 - braced-init-list in template-argument-list.
* parser.c (cp_parser_template_argument): Handle braced-init-list when
in C++20.
PR c++/88548 - this accepted in static member functions.
* parser.c (cp_debug_parser): Adjust printing of
local_variables_forbidden_p.
(cp_parser_new): Set local_variables_forbidden_p to 0 rather than false.
(cp_parser_primary_expression): When checking
local_variables_forbidden_p, use THIS_FORBIDDEN or
LOCAL_VARS_FORBIDDEN.
(cp_parser_lambda_body): Update the type of
local_variables_forbidden_p. Set it to 0 rather than false.
(cp_parser_condition): Adjust call to cp_parser_declarator.
(cp_parser_explicit_instantiation): Likewise.
(cp_parser_init_declarator): Likewise.
(cp_parser_declarator): New parameter. Use it.
(cp_parser_direct_declarator): New parameter. Use it to set
local_variables_forbidden_p. Adjust call to cp_parser_declarator.
(cp_parser_type_id_1): Adjust call to cp_parser_declarator.
(cp_parser_parameter_declaration): Likewise.
(cp_parser_default_argument): Update the type of
local_variables_forbidden_p. Set it to LOCAL_VARS_AND_THIS_FORBIDDEN
rather than true.
(cp_parser_member_declaration): Tell cp_parser_declarator if we saw
'static' or 'friend'.
(cp_parser_exception_declaration): Adjust call to cp_parser_declarator.
(cp_parser_late_parsing_default_args): Update the type of
local_variables_forbidden_p. Set it to LOCAL_VARS_AND_THIS_FORBIDDEN
rather than true.
(cp_parser_cache_defarg): Adjust call to cp_parser_declarator.
(cp_parser_objc_class_ivars): Likewise.
(cp_parser_objc_struct_declaration): Likewise.
(cp_parser_omp_for_loop_init): Likewise.
* parser.h (cp_parser): Change the type of local_variables_forbidden_p
to unsigned char.
(LOCAL_VARS_FORBIDDEN, LOCAL_VARS_AND_THIS_FORBIDDEN, THIS_FORBIDDEN):
Define.
2019-01-08 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (start_decl): Improve permerror location.
2019-01-08 Jonathan Wakely <jwakely@redhat.com>
Jakub Jelinek <jakub@redhat.com>
PR c++/88554
* decl.c (finish_function): For -Wreturn-type don't add a return *this;
fixit hint if current_class_ref is NULL. Use a single if instead of
two nested ones.
2019-01-07 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (start_decl): Improve two error_at locations.
(expand_static_init): Likewise.
2019-01-07 Marek Polacek <polacek@redhat.com>
PR c++/88741 - wrong error with initializer-string.
* decl.c (cp_complete_array_type): Strip any location wrappers.
2019-01-07 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR c++/88261
PR c++/69338
PR c++/69696
PR c++/69697
* cp-tree.h (LOOKUP_ALLOW_FLEXARRAY_INIT): New flag value.
* typeck2.c (digest_init_r): Raise an error for non-static
initialization of a flexible array member.
(process_init_constructor, massage_init_elt,
process_init_constructor_array, process_init_constructor_record,
process_init_constructor_union, process_init_constructor): Add the
flags parameter and pass it thru.
(store_init_value): Pass LOOKUP_ALLOW_FLEXARRAY_INIT parameter to
digest_init_flags for static decls.
2019-01-07 Jakub Jelinek <jakub@redhat.com>
PR c++/85052
* cp-tree.h (cp_build_vec_convert): Declare.
* parser.c (cp_parser_postfix_expression): Parse
__builtin_convertvector.
* constexpr.c: Include fold-const-call.h.
(cxx_eval_internal_function): Handle IFN_VEC_CONVERT.
(potential_constant_expression_1): Likewise.
* semantics.c (cp_build_vec_convert): New function.
* pt.c (tsubst_copy_and_build): Handle CALL_EXPR to
IFN_VEC_CONVERT.
2019-01-03 Jakub Jelinek <jakub@redhat.com>
PR c++/88636
* decl.c (builtin_function_1): Return result of pushdecl_top_level
or pushdecl rather than decl.
2019-01-03 Paolo Carlini <paolo.carlini@oracle.com>
* tree.c (handle_nodiscard_attribute): Improve warning location.
2019-01-02 Marek Polacek <polacek@redhat.com>
PR c++/88612 - ICE with -Waddress-of-packed-member.
* call.c (convert_for_arg_passing): Only give warnings with tf_warning.
* typeck.c (convert_for_assignment): Likewise.
PR c++/88631 - CTAD failing for value-initialization.
* typeck2.c (build_functional_cast): Try deducing the template
arguments even if there are no arguments to deduce from.
2019-01-01 Jakub Jelinek <jakub@redhat.com>
Update copyright years.
Copyright (C) 2019 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.