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gnu / gcc / 8cd3bffead2ed1d1998c190865694f920fbc93ab / . / gcc / cp / ChangeLog
blob: a525d4f4f9e3bc2426fe0d85ff9fc02eb7228080 [file] [log] [blame]
2020-03-04 Release Manager
* GCC 8.4.0 released.
2020-02-26 Jakub Jelinek <jakub@redhat.com>
PR c++/93905
Backported from mainline
2018-11-04 Jason Merrill <jason@redhat.com>
* constexpr.c (cxx_eval_outermost_constant_expr): Don't wrap a
CONSTRUCTOR if one was passed in.
2020-02-26 Marek Polacek <polacek@redhat.com>
PR c++/90998 - ICE with copy elision in init by ctor and -Wconversion.
* call.c (joust): Don't attempt to warn if ->second_conv is null.
2020-02-26 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.
2020-02-26 Jason Merrill <jason@redhat.com>
PR c++/90546
* call.c (build_user_type_conversion_1): Allow a template conversion
returning an rvalue reference to bind directly to an lvalue.
2020-02-26 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.
2020-02-25 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.
2020-02-25 Jason Merrill <jason@redhat.com>
PR c++/88380 - wrong-code with flexible array and NSDMI.
* typeck2.c (process_init_constructor_record): Skip flexarrays.
2020-02-25 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.
2020-02-25 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.
2020-02-25 Alexandre Oliva <aoliva@redhat.com>
PR c++/86747
* pt.c (tsubst_friend_class): Enter tsubsted class context.
2020-02-25 Jason Merrill <jason@redhat.com>
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.
2020-02-25 Jason Merrill <jason@redhat.com>
* cp-tree.h (TYPE_REF_P): New.
2020-02-25 Jason Merrill <jason@redhat.com>
PR c++/87748 - substitution failure error with decltype.
* pt.c (most_specialized_partial_spec): Clear
processing_template_decl.
2020-02-25 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.
2020-02-25 Jason Merrill <jason@redhat.com>
PR c++/88394 - ICE with VLA init-capture.
* lambda.c (is_normal_capture_proxy): Check DECL_CAPTURED_VARIABLE.
2019-02-05 Alexandre Oliva <aoliva@redhat.com>
PR c++/87770
* pt.c (instantiates_primary_template_p): New.
(type_dependent_expression_p): Use it.
2020-02-25 Marek Polacek <polacek@redhat.com>
PR c++/92745 - bogus error when initializing array of vectors.
* decl.c (reshape_init_r): For a nested compound literal, do
call reshape_init_{class,array,vector}.
2020-02-25 Jason Merrill <jason@redhat.com>
PR c++/89917 - ICE with lambda in variadic mem-init.
* pt.c (make_pack_expansion): Change type_pack_expansion_p to false.
2020-02-24 Jason Merrill <jason@redhat.com>
PR c++/90951
* constexpr.c (cxx_eval_array_reference): {}-initialize missing
elements instead of value-initializing them.
2020-02-24 Jason Merrill <jason@redhat.com>
PR c++/93140
* pt.c (tsubst_decl) [PARM_DECL]: Check cp_unevaluated_operand in
handling of TREE_CHAIN for empty pack.
2020-02-24 Jason Merrill <jason@redhat.com>
PR c++/92852
* constexpr.c (maybe_constant_value): Don't unshare if the cached
value is the same as the argument.
2020-02-14 Jakub Jelinek <jakub@redhat.com>
PR c++/61414
* class.c (enum_min_precision): Change prec type from int to int &.
2020-02-14 Jakub Jelinek <jakub@redhat.com>
Backported from mainline
2020-01-17 Jakub Jelinek <jakub@redhat.com>
PR c++/93228
* parser.c (cp_parser_template_name): Look up deprecated attribute
in DECL_TEMPLATE_RESULT or its type's attributes.
2019-12-26 Jakub Jelinek <jakub@redhat.com>
PR c++/92438
* parser.c (cp_parser_constructor_declarator_p): If open paren
is followed by RID_ATTRIBUTE, skip over the attribute tokens and
try to parse type specifier.
2019-12-20 Jakub Jelinek <jakub@redhat.com>
PR c++/92992
* call.c (convert_arg_to_ellipsis): For decltype(nullptr) arguments
that have side-effects use cp_build_compound_expr.
2019-12-03 Jakub Jelinek <jakub@redhat.com>
PR c++/92732
* typeck2.c (digest_nsdmi_init): For bitfields, use
DECL_BIT_FIELD_TYPE instead of TREE_TYPE.
2019-11-29 Jakub Jelinek <jakub@redhat.com>
PR c++/60228
* parser.c (cp_parser_omp_declare_reduction_exprs): If
processing_template_decl, wrap the combiner or initializer
into EXPR_STMT.
* decl.c (start_preparsed_function): Don't start a lambda scope
for DECL_OMP_DECLARE_REDUCTION_P functions.
(finish_function): Don't finish a lambda scope for
DECL_OMP_DECLARE_REDUCTION_P functions, nor cp_fold_function
them nor cp_genericize them.
* mangle.c (decl_mangling_context): Look through
DECL_OMP_DECLARE_REDUCTION_P functions.
* semantics.c (expand_or_defer_fn_1): For DECL_OMP_DECLARE_REDUCTION_P
functions, use tentative linkage, don't keep their bodies with
-fkeep-inline-functions and return false at the end.
2019-11-27 Jakub Jelinek <jakub@redhat.com>
PR c++/92524
* tree.c (replace_placeholders_r): Don't walk constructor elts with
RANGE_EXPR indexes.
2019-11-26 Jakub Jelinek <jakub@redhat.com>
PR c++/92648
* parser.c (cp_parser_std_attribute): For unknown attributes,
skip balanced token seq instead of trying to parse
attribute-argument-clause as expression list.
PR c++/61414
* class.c (enum_to_min_precision): New hash_map.
(enum_min_precision): New function.
(check_bitfield_decl): Use it.
2019-11-21 Jakub Jelinek <jakub@redhat.com>
Jason Merrill <jason@redhat.com>
PR c++/90842
* parser.c (cp_parser_decl_specifier_seq): For concept or typedef
break early if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR.
For type specifiers, set CP_PARSER_FLAGS_NO_TYPE_DEFINITIONS
if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR is set.
2020-01-27 Nathan Sidwell <nathan@acm.org>
PR c++/91826
* name-lookup.c (is_ancestor): Allow CHILD to be a namespace alias.
2020-01-24 Jason Merrill <jason@redhat.com>
PR c++/92852 - ICE with generic lambda and reference var.
* constexpr.c (maybe_constant_value): Likewise.
2019-12-11 Jason Merrill <jason@redhat.com>
PR c++/92859 - ADL and bit-field.
* name-lookup.c: Use unlowered_expr_type.
2019-11-21 Jakub Jelinek <jakub@redhat.com>
Backported from mainline
2019-10-22 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/85887
* decl.c (expand_static_init): Drop ECF_LEAF from __cxa_guard_acquire
and __cxa_guard_release.
2019-10-29 Jakub Jelinek <jakub@redhat.com>
PR c++/92201
* cp-gimplify.c (cp_gimplify_expr): If gimplify_to_rvalue changes the
function pointer type, re-add cast to the original one.
2019-10-04 Jakub Jelinek <jakub@redhat.com>
PR c++/91974
* cp-gimplify.c (cp_gimplify_expr) <case CALL_EXPR>: For
-fstrong-eval-order ensure CALL_EXPR_FN side-effects are evaluated
before any arguments. Additionally, ensure CALL_EXPR_FN that isn't
invariant nor OBJ_TYPE_REF nor SSA_NAME is forced into a temporary.
2019-08-09 Jakub Jelinek <jakub@redhat.com>
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.
2019-11-05 Jason Merrill <jason@redhat.com>
PR c++/88075
* parser.c (cp_parser_decl_specifier_seq): Support C++20
concept-definition syntax without 'bool'.
2019-10-22 Marek Polacek <polacek@redhat.com>
Backported from mainline
2019-10-21 Marek Polacek <polacek@redhat.com>
PR c++/92106 - ICE with structured bindings and -Wreturn-local-addr.
* typeck.c (maybe_warn_about_returning_address_of_local): Avoid
recursing on null initializer and return false instead.
2019-09-03 Iain Sandoe <iain@sandoe.co.uk>
Backported from mainline
2019-08-23 Iain Sandoe <iain@sandoe.co.uk>
PR pch/61250
* parser.c (cp_parser_initial_pragma): Call c_common_no_more_pch ()
after determining that the first token is not
PRAGMA_GCC_PCH_PREPROCESS.
2019-08-30 Richard Biener <rguenther@suse.de>
Backport from mainline
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.
2019-08-29 Jakub Jelinek <jakub@redhat.com>
Backported from mainline
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.
2019-05-15 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.
2019-05-10 Jakub Jelinek <jakub@redhat.com>
PR pch/90326
* config-lang.in (gtfiles): Remove c-family/c-lex.c, add
c-family/c-cppbuiltin.c.
2019-08-15 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline.
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.
2019-08-01 Marek Polacek <polacek@redhat.com>
Backported from mainline
2018-06-12 Jason Merrill <jason@redhat.com>
PR c++/86098 - ICE with template placeholder for TTP.
* typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
CLASS_PLACEHOLDER_TEMPLATE.
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.
2019-05-22 Eric Botcazou <ebotcazou@adacore.com>
Backport from mainline
2018-05-10 Eric Botcazou <ebotcazou@adacore.com>
PR c++/85400
* decl2.c (adjust_var_decl_tls_model): New static function.
(comdat_linkage): Call it on a variable.
(maybe_make_one_only): Likewise.
2019-05-20 Jonathan Wakely <jwakely@redhat.com>
Backported from mainline
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.
2019-05-07 Marek Polacek <polacek@redhat.com>
Backported from mainline
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.
2019-03-25 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.
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.
2019-03-25 Marek Polacek <polacek@redhat.com>
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.
2019-03-29 Marek Polacek <polacek@redhat.com>
PR c++/89876 - ICE with deprecated conversion.
* call.c (convert_like_real): Only give warnings with tf_warning.
2019-04-30 Jakub Jelinek <jakub@redhat.com>
Backported from mainline
2019-04-19 Jakub Jelinek <jakub@redhat.com>
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.
2019-04-12 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.
2019-03-29 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.
2019-03-26 Jakub Jelinek <jakub@redhat.com>
PR c++/89796
* semantics.c (finish_omp_atomic): Add warning_sentinel for
-Wunused-value around finish_expr_stmt call.
2019-03-22 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.
2019-03-21 Jakub Jelinek <jakub@redhat.com>
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.
2019-03-14 Jakub Jelinek <jakub@redhat.com>
PR c++/89512
* semantics.c (finish_qualified_id_expr): Reject variable templates.
2019-03-06 Jakub Jelinek <jakub@redhat.com>
PR c++/87148
* init.c (build_value_init_noctor): Ignore flexible array members.
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.
2019-03-08 Jason Merrill <jason@redhat.com>
PR c++/88820 - ICE with CTAD and member template used in DMI.
* pt.c (do_class_deduction): Handle parm used as its own arg.
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++/88419 - C++17 ICE with class template arg deduction.
* pt.c (make_template_placeholder): Set TYPE_CANONICAL after
CLASS_PLACEHOLDER_TEMPLATE.
PR c++/88690 - C++17 ICE with empty base in aggregate.
* typeck2.c (process_init_constructor_record): Skip trivial
initialization of an empty base.
PR c++/87921 - wrong error with inline static data member.
* decl2.c (c_parse_final_cleanups): Don't force out uninstantiated
inline static data members.
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.
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.
PR c++/89422 - ICE with -g and lambda in default arg in template.
* pt.c (tsubst_function_decl): SET_DECL_FRIEND_CONTEXT sooner.
PR c++/87513 - 'sorry' mangling PMF template-id.
* mangle.c (write_expression): Handle SCOPE_REF to BASELINK.
PR c++/88183 - ICE with .* fold-expression.
* pt.c (fold_expression) [DOTSTAR_EXPR]: Remove special handling.
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.
2019-02-26 Marek Polacek <polacek@redhat.com>
Backported from mainline
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.
2019-02-22 Release Manager
* GCC 8.3.0 released.
2019-02-14 David Malcolm <dmalcolm@redhat.com>
2019-02-13 David Malcolm <dmalcolm@redhat.com>
Backport of r268847 from trunk.
PR c++/89036
* class.c (add_method): Drop destructor assertion.
2019-02-14 David Malcolm <dmalcolm@redhat.com>
Backport of r267957 from trunk.
2019-01-15 David Malcolm <dmalcolm@redhat.com>
PR c++/88795
* pt.c (build_deduction_guide): Bail out if tsubst_arg_types
fails.
2019-02-14 David Malcolm <dmalcolm@redhat.com>
Backport of r262199 from trunk.
2018-06-27 David Malcolm <dmalcolm@redhat.com>
PR c++/86329
* name-lookup.c (consider_binding_level): Filter out names that
match anon_aggrname_p.
2019-02-14 David Malcolm <dmalcolm@redhat.com>
Backport of r259720 from trunk.
2018-04-27 David Malcolm <dmalcolm@redhat.com>
PR c++/85515
* name-lookup.c (consider_binding_level): Skip compiler-generated
variables.
* search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
nested if statements into a series of rejection tests. Reject
lambda-ignored entities as suggestions.
2019-02-11 Jason Merrill <jason@redhat.com>
Revert:
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.
2019-02-11 Jason Merrill <jason@redhat.com>
PR c++/89267 - change of error location.
* pt.c (tsubst_copy_and_build): Do still clear expr location
for instantiated thunk calls.
2019-02-08 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.
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.
PR c++/86943 - wrong code converting generic lambda to pointer.
* pt.c (tsubst_copy_and_build): Don't propagate CALL_FROM_THUNK_P.
2019-02-07 Jakub Jelinek <jakub@redhat.com>
Backported from mainline
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.
2019-01-30 Jakub Jelinek <jakub@redhat.com>
PR c++/88988
* lambda.c (is_capture_proxy): Don't return true for
DECL_OMP_PRIVATIZED_MEMBER artificial vars.
2019-01-24 Jakub Jelinek <jakub@redhat.com>
PR c++/88976
* semantics.c (finish_omp_cancel): Use maybe_convert_cond when not in
template or build_x_binary_op otherwise.
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.
2019-02-06 Marek Polacek <polacek@redhat.com>
Backport from mainline
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.
Backport from mainline
2019-01-31 Marek Polacek <polacek@redhat.com>
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.
Backport from mainline
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.
Backport from mainline
2019-01-27 Marek Polacek <polacek@redhat.com>
PR c++/89024 - ICE with incomplete enum type.
* call.c (standard_conversion): When converting an
ARITHMETIC_TYPE_P to an incomplete type, return NULL.
2019-02-05 Marek Polacek <polacek@redhat.com>
Backported from mainline
2019-01-31 Marek Polacek <polacek@redhat.com>
PR c++/89083, c++/80864 - ICE with list initialization in template.
* decl.c (reshape_init_r): Don't reshape a digested initializer.
Return the initializer for COMPOUND_LITERAL_P.
2019-01-27 Jason Merrill <jason@redhat.com>
PR c++/86740, ICE with constexpr if and nested generic lambdas.
* tree.c (cp_walk_subtrees): Handle LAMBDA_EXPR.
PR c++/87075 - ICE with constexpr array initialization.
* constexpr.c (cxx_eval_vec_init_1): Handle trivial initialization.
* pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
2019-01-17 Nathan Sidwell <nathan@acm.org>
PR c++/86610
* semantics.c (process_outer_var_ref): Only skip dependent types
in templates.
2019-01-08 Jakub Jelinek <jakub@redhat.com>
Backported from mainline
2018-12-20 Jakub Jelinek <jakub@redhat.com>
PR c++/88180
* parser.c (cp_parser_class_specifier_1): If
cp_parser_check_type_definition fails, skip default arguments, NSDMIs,
etc. like for erroneous template args.
2018-12-19 Jakub Jelinek <jakub@redhat.com>
PR c++/87934
* constexpr.c (cxx_eval_constant_expression) <case CONSTRUCTOR>: Do
re-process TREE_CONSTANT CONSTRUCTORs if they aren't reduced constant
expressions.
2018-12-17 Jakub Jelinek <jakub@redhat.com>
PR c++/88410
* cp-gimplify.c (cp_fold) <case ADDR_EXPR>: For offsetof-like folding,
call maybe_constant_value on val to see if it is INTEGER_CST.
2018-12-14 Jakub Jelinek <jakub@redhat.com>
PR c++/82294
PR c++/87436
* init.c (build_vec_init): Change num_initialized_elts type from int
to HOST_WIDE_INT. Build a RANGE_EXPR if e needs to be repeated more
than once.
2018-12-07 Jakub Jelinek <jakub@redhat.com>
PR c++/86669
* call.c (make_temporary_var_for_ref_to_temp): Call pushdecl even for
automatic vars.
PR c++/87506
* constexpr.c (adjust_temp_type): Handle EMPTY_CLASS_EXPR.
2018-12-04 Jakub Jelinek <jakub@redhat.com>
PR c++/88103
* typeck.c (build_class_member_access_expr): If unary_complex_lvalue
turned xvalue_p into non-xvalue_p, call move on it.
2018-11-27 Jakub Jelinek <jakub@redhat.com>
PR c++/88181
* class.c (fixup_attribute_variants): Also propagate TYPE_PACKED
to variants.
2018-11-21 Jakub Jelinek <jakub@redhat.com>
PR c++/88122
* method.c (maybe_explain_implicit_delete): If
FUNCTION_FIRST_USER_PARMTYPE (decl) is NULL, set const_p to false
instead of ICEing.
2018-01-02 Segher Boessenkool <segher@kernel.crashing.org>
Backport from trunk
2018-12-06 Segher Boessenkool <segher@kernel.crashing.org>
PR inline-asm/55681
* parser.c (cp_parser_asm_definition): Update grammar. Allow any
combination of volatile and goto, in any order, without repetitions.
Backport from trunk
2018-12-06 Segher Boessenkool <segher@kernel.crashing.org>
* cp-tree.h (finish_asm_stmt): Update declaration.
* parser.c (cp_parser_asm_definition): Detect the inline keyword
after asm. Pass a flag for it to finish_asm_stmt.
* pt.c (tsubst_expr): Pass the ASM_INLINE_P flag to finish_asm_stmt.
* semantics.c (finish_asm_stmt): Add inline_p parameter. Use it to
set ASM_INLINE_P.
Backport from trunk
2018-12-19 Segher Boessenkool <segher@kernel.crashing.org>
* parser.c (cp_parser_asm_definition): Rewrite the loop to work without
"done" boolean variable.
Backport from trunk
2018-12-19 Segher Boessenkool <segher@kernel.crashing.org>
* parser.c (cp_parser_asm_definition): Rewrite the loop to work without
"done" boolean variable.
* parser.c (cp_parser_asm_definition): Keep track of the location each
asm qualifier is first seen; use that to give nicer "duplicate asm
qualifier" messages.
Backport from trunk
2018-12-19 Segher Boessenkool <segher@kernel.crashing.org>
* parser.c (cp_parser_asm_definition) <RID_CONST, RID_RESTRICT>: Give
a more specific error message (instead of just falling through).
Backport from trunk
2018-12-10 Segher Boessenkool <segher@kernel.crashing.org>
* parser.c (cp_parser_asm_definition): Do not allow any asm qualifiers
on top-level asm.
2018-12-13 Nathan Sidwell <nathan@acm.org>
PR c++/87531
* class.c (finish_struct): Set DECL_CONTEXT of template assign op.
* name-lookup.c (get_class_binding_direct): Don't strip using-decl
of overload here.
* parser.c (cp_parser_postfix_expression): Cope with using decl in
overload set.
* semantics.c (finish_id_expr): Likewise.
2018-12-04 Marek Polacek <polacek@redhat.com>
Backported from mainline
2018-11-26 Marek Polacek <polacek@redhat.com>
PR c++/88120 - ICE when calling save_expr in a template.
* typeck.c (cp_build_binary_op): Call cp_save_expr instead of
save_expr.
2018-11-29 Nathan Sidwell <nathan@acm.org>
PR c++/87531
* class.c (finish_struct): In a template, add artificial using
decl for operator=.
2018-11-15 Nathan Sidwell <nathan@acm.org>
PR c++/86246
PR c++/87989
* typeck.c (finish_class_member_access_expr): Conversion operator
to dependent type is dependent.
2018-11-05 Jakub Jelinek <jakub@redhat.com>
Backported from mainline
2018-10-24 Jakub Jelinek <jakub@redhat.com>
PR c++/86288
* parser.c (cp_parser_std_attribute): Canonicalize attr_ns, and when
:: is not present and attr_ns non-NULL, canonicalize also attr_id.
(cp_parser_attribute_spec): Fix comment typo.
2018-10-23 Tom de Vries <tdevries@suse.de>
backport from trunk:
2018-07-31 Tom de Vries <tdevries@suse.de>
PR debug/86687
* optimize.c (update_cloned_parm): Copy DECL_BY_REFERENCE.
2018-10-11 Jakub Jelinek <jakub@redhat.com>
PR c++/87582
* typeck.c (maybe_warn_about_returning_address_of_local): If
whats_returned is a structured binding identifier and the structured
binding is a reference, recurse on its initializer.
2018-10-10 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84940
* semantics.c (finish_unary_op_expr): Check return value of
build_x_unary_op for error_mark_node.
2018-10-03 Martin Liska <mliska@suse.cz>
Backport from mainline
2018-10-03 Martin Liska <mliska@suse.cz>
PR gcov-profile/86109
* parser.c (cp_parser_lambda_declarator_opt):
Set DECL_LAMBDA_FUNCTION for lambdas.
2018-09-24 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/85070
* method.c (lazily_declare_fn): During error-recovery add_method
may return false.
2018-09-18 Nathan Sidwell <nathan@acm.org>
PR c++/86881
* name-lookup.c (check_local_shadow): Ignore auto types.
2018-09-13 Ville Voutilainen <ville.voutilainen@gmail.com>
Backport from mainline
2018-09-13 Ville Voutilainen <ville.voutilainen@gmail.com>
gcc/cp
PR c++/87093
* method.c (constructible_expr): We're in an unevaluated context
in all cases, not just for class targets.
testsuite/
PR c++/87093
* g++.dg/ext/is_constructible2.C: New.
2018-09-05 Pádraig Brady <p@draigbrady.com>
PR c++/87185
* lambda.c (prune_lambda_captures): Protect against const_vars.get
returning NULL.
2018-09-05 Jakub Jelinek <jakub@redhat.com>
Backported from mainline
2018-08-29 Jakub Jelinek <jakub@redhat.com>
PR c++/87095
* decl.c (begin_destructor_body): If current_class_type has
virtual bases and the primary base is nearly empty virtual base,
voidify clearing of vptr and make it conditional on in-charge
argument.
2018-08-08 Jakub Jelinek <jakub@redhat.com>
PR c++/86836
* pt.c (tsubst_expr): For structured bindings, call tsubst_decomp_names
before tsubst_init, not after it.
PR c++/86738
* constexpr.c (cxx_eval_binary_expression): For arithmetics involving
NULL pointer set *non_constant_p to true.
(cxx_eval_component_reference): For dereferencing of a NULL pointer,
set *non_constant_p to true and return t.
2018-08-03 Jason Merrill <jason@redhat.com>
PR c++/86706
* class.c (build_base_path): Use currently_open_class.
2018-08-31 Nathan Sidwell <nathan@acm.org>
PR c++/87155
PR c++/84707
* name-lookup.c (name_lookup::search_namespace): Don't look at
inlines when searching for NULL names.
2018-08-29 Jakub Jelinek <jakub@redhat.com>
PR c++/87122
* pt.c (tsubst_expr) <case RANGE_FOR_STMT>: If
processing_template_decl and decl is structured binding decl, call
cp_finish_decomp.
2018-08-17 Richard Biener <rguenther@suse.de>
Backport from mainline
2018-08-02 Richard Biener <rguenther@suse.de>
PR c++/86763
* class.c (layout_class_type): Copy TYPE_TYPELESS_STORAGE
to the CLASSTYPE_AS_BASE.
2018-08-10 Jason Merrill <jason@redhat.com>
PR c++/86728 - C variadic generic lambda.
* parser.c (cp_parser_parameter_declaration): Don't turn 'auto' into
a pack if it's followed by a declarator-id.
2018-08-08 Marek Polacek <polacek@redhat.com>
Backport from mainline
2018-08-06 Marek Polacek <polacek@redhat.com>
PR c++/86767
* constexpr.c (cxx_eval_statement_list): Handle continue.
2018-08-01 Marek Polacek <polacek@redhat.com>
PR c++/86190 - bogus -Wsign-conversion warning
* typeck.c (cp_build_binary_op): Add a warning sentinel.
2018-07-26 Release Manager
* GCC 8.2.0 released.
2018-07-17 Jason Merrill <jason@redhat.com>
PR c++/86480 - nested variadic lambda and constexpr if.
* pt.c (find_parameter_packs_r) [IF_STMT]: Don't walk into
IF_STMT_EXTRA_ARGS.
2018-07-16 Jakub Jelinek <jakub@redhat.com>
PR c++/3698
PR c++/86208
* cp-gimplify.c (cp_genericize_r): When using extern_decl_map, or
in TREE_USED flag from stmt to h->to.
2018-07-13 Nathan Sidwell <nathan@acm.org>
PR c++/86374
* pt.c (lookup_template_class_1): Use tsubst_aggr_type for
contexts that are classes.
2018-07-12 Jakub Jelinek <jakub@redhat.com>
* decl2.c (cplus_decl_attributes): Don't diagnose vars without mappable
type here, instead add "omp declare target implicit" attribute. Add
that attribute instead of "omp declare target" also when
processing_template_decl.
* decl.c (cp_finish_decl): Diagnose vars without mappable type here,
and before calling cp_omp_mappable_type call complete_type.
2018-07-10 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/86406
* cp-gimplify.c (cp_maybe_instrument_return): Skip trailing
DEBUG_BEGIN_STMTs.
2018-07-04 Ville Voutilainen <ville.voutilainen@gmail.com>
Backport from mainline
2018-07-04 Ville Voutilainen <ville.voutilainen@gmail.com>
gcc/cp/
PR c++/86398
* method.c (is_trivially_xible): Return false
if is_xible_helper returns a NULL_TREE.
2018-07-03 Jason Merrill <jason@redhat.com>
PR c++/86378 - functional cast in noexcept-specifier.
* tree.c (strip_typedefs_expr) [TREE_LIST]: Fix iteration.
* name-lookup.c (do_push_to_top_level): Don't allocate
current_lang_base.
(do_pop_from_top_level): Release current_lang_base.
2018-06-26 Jason Merrill <jason@redhat.com>
PR c++/86320 - memory-hog with std::array of pair
* typeck2.c (process_init_constructor_array): If zero-initialization
is fine for one element, we're done.
PR c++/80290 - memory-hog with std::pair.
* pt.c (type_unification_real): Skip non-dependent conversion
check for a nested list argument.
(braced_init_depth): New.
2018-06-26 Jakub Jelinek <jakub@redhat.com>
PR c++/86291
* parser.c (cp_parser_omp_for_loop_init): Change for_block argument
type from vec<tree, va_gc> * to vec<tree, va_gc> *&.
2018-06-22 Jason Merrill <jason@redhat.com>
PR c++/86219 - ICE with erroneous initializer in template.
* constexpr.c (fold_non_dependent_expr): Add complain parm.
* typeck2.c (store_init_value): Pass tf_warning_or_error.
2018-06-21 Jason Merrill <jason@redhat.com>
PR c++/86182 - ICE with anonymous union passed to template.
* pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
used to declare a named variable.
2018-06-20 Nathan Sidwell <nathan@acm.org>
PR c++/85634 - tsubst ICE on unmarked lookup
* parser.c (cp_parser_primary_expression): Keep lookup in template.
2018-06-18 Jason Merrill <jason@redhat.com>
PR c++/86200 - ICE with unexpanded pack in lambda parameter.
* pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
function type.
PR c++/81060 - ICE with unexpanded parameter pack.
* pt.c (check_for_bare_parameter_packs): Add loc parameter.
* decl.c (grokdeclarator): Call it for qualifying_scope.
2018-06-15 Jason Merrill <jason@redhat.com>
PR c++/86147 - wrong capture for template argument.
* expr.c (mark_use): Look through NOP_EXPR.
PR c++/82882 - ICE with lambda in template default argument.
* lambda.c (record_null_lambda_scope): New.
* pt.c (tsubst_lambda_expr): Use it.
* name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
function that isn't open.
* tree.c (maybe_warn_parm_abi): Inform the location of the class.
2018-06-13 Jason Merrill <jason@redhat.com>
PR c++/86094 - wrong code with defaulted move ctor.
* class.c (classtype_has_non_deleted_move_ctor): New.
* tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
Handle v12 breakage.
2018-06-11 Jason Merrill <jason@redhat.com>
PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
* class.c (maybe_warn_about_overly_private_class): Handle inherited
constructors.
PR c++/85963 - -Wunused-but-set with ?: in template.
* pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
PR c++/61806 - missed SFINAE with partial specialization.
* cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
parameter to constructor.
* pt.c (instantiate_class_template_1): Enable access checking
before call to most_specialized_partial_spec.
PR c++/85765 - SFINAE and non-type default template arg.
* pt.c (type_unification_real): Do full semantic processing if
substituting a partial args list replaces all template parms.
PR c++/85764 - bogus 'this' not captured error.
* lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
(nonlambda_method_basetype): Handle NSDMI.
PR c++/85807 - ICE with call in template NSDMI.
* init.c (get_nsdmi): Use push_to/pop_from_top_level.
* tree.c (bot_manip): Don't set_flags_from_callee in a template.
PR c++/85815 - reference to member of enclosing template.
* search.c (lookup_base): Use currently_open_class.
(lookup_member): Use it regardless of -fconcepts.
* parser.c (cp_parser_postfix_dot_deref_expression): Check it.
PR c++/86094 - wrong code with defaulted move ctor.
* tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
2018-06-06 Jason Merrill <jason@redhat.com>
PR c++/86060 - ICE on range for with -std=c++98.
* parser.c (cp_parser_init_statement): Don't clobber *decl after
pedwarn.
2018-06-05 Marek Polacek <polacek@redhat.com>
Backported from mainline
2018-05-24 Marek Polacek <polacek@redhat.com>
PR c++/85847
* init.c (build_new_1): Use fold_non_dependent_expr. Use a dedicated
variable for its result. Fix a condition.
(build_new): Use fold_non_dependent_expr. Tweak a condition.
2018-06-05 Marek Polacek <polacek@redhat.com>
PR c++/85976
* tree.c (cp_tree_equal): Handle USING_DECL.
2018-06-05 Jason Merrill <jason@redhat.com>
PR c++/85731 - wrong error with qualified-id in template.
* semantics.c (finish_qualified_id_expr): build_qualified_name
for unbound names in the current class.
2018-06-03 Jason Merrill <jason@redhat.com>
PR c++/85739 - ICE with pointer to member template parm.
* cvt.c (perform_qualification_conversions): Use cp_fold_convert.
PR c++/85761 - ICE with ill-formed use of const outer variable.
* expr.c (mark_use): Handle location wrappers.
2018-06-01 Jason Merrill <jason@redhat.com>
PR c++/85873 - constant initializer_list array not in .rodata.
* call.c (convert_like_real): Treat the backing array for an
initializer_list like a C99 compound literal.
2018-05-30 Jakub Jelinek <jakub@redhat.com>
Backported from mainline
2018-05-29 Jakub Jelinek <jakub@redhat.com>
PR c++/85952
* init.c (build_aggr_init): For structured binding initialized from
array call mark_rvalue_use on the initializer.
2018-05-11 Jakub Jelinek <jakub@redhat.com>
PR c/85696
* cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
* cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
cxx_omp_predetermined_sharing_1. Rename old function to ...
(cxx_omp_predetermined_sharing_1): ... this.
* semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
instead of cxx_omp_predetermined_sharing.
2018-05-10 Jakub Jelinek <jakub@redhat.com>
PR c++/85662
* cp-gimplify.c (cp_fold): Use fold_offsetof rather than
fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
fold_convert.
2018-05-24 Jason Merrill <jason@redhat.com>
PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
* pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
generic lambda.
PR c++/85864 - literal template and default template arg.
* pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
PR c++/81420 - not extending temporary lifetime.
* call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
* class.c (build_base_path): Avoid redundant move of an rvalue.
2018-05-22 Jason Merrill <jason@redhat.com>
PR c++/85866 - error with .* in default template arg.
* pt.c (tsubst_copy_and_build): Handle partial instantiation.
2018-05-18 Cesar Philippidis <cesar@codesourcery.com>
Backport from mainline
2018-05-18 Cesar Philippidis <cesar@codesourcery.com>
PR c++/85782
* cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
OACC_LOOPs.
2018-05-08 Jason Merrill <jason@redhat.com>
PR c++/85706 - class deduction under decltype
* pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
*walk_subtrees whether or not we walked into the operand.
(type_uses_auto): Only look at deduced contexts.
2018-05-08 Marek Polacek <polacek@redhat.com>
PR c++/85695
* semantics.c (finish_if_stmt_cond): See through typedefs.
2018-05-07 Jason Merrill <jason@redhat.com>
PR c++/85646 - lambda visibility.
* decl2.c (determine_visibility): Don't mess with template arguments
from the containing scope.
(vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
thunk.
PR c++/85618 - ICE with initialized VLA.
* tree.c (vla_type_p): New.
* typeck2.c (store_init_value, split_nonconstant_init_1): Check it
rather than array_of_runtime_bound_p.
2018-05-04 Jason Merrill <jason@redhat.com>
PR c++/85305 - pack in lambda init-capture.
* parser.c (cp_parser_initializer): Add subexpression_p parm; don't
check_for_bare_parameter_packs in a subexpression.
(cp_parser_lambda_introducer): Use it.
2018-05-02 Release Manager
* GCC 8.1.0 released.
2018-05-02 Jason Merrill <jason@redhat.com>
PR c++/85587 - error with scoped enum in template.
* semantics.c (finish_qualified_id_expr): Don't return an
unqualified IDENTIFIER_NODE.
2018-04-30 Jason Merrill <jason@redhat.com>
PR c++/85580 - extern "C" and local variables
* name-lookup.c (check_extern_c_conflict): Ignore local decls.
2018-04-27 Jakub Jelinek <jakub@redhat.com>
PR c++/85553
* init.c (build_zero_init_1): For zero initialization of
NULLPTR_TYPE_P type use build_int_cst directly.
2018-04-27 Jason Merrill <jason@redhat.com>
PR c++/85545 - ICE with noexcept PMF conversion.
* cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
build_ptrmemfunc.
* typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
adjustment.
(build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
2018-04-25 Nathan Sidwell <nathan@acm.org>
PR c++/85437
PR c++/49171
* cp-tree.h (REINTERPRET_CAST_P): New.
* constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
for non-trivial PTRMEM_CST cases.
* typeck.c (build_nop_reinterpret): New.
(build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
NOP_EXPRs returned by cp_convert.
2018-04-23 Jason Merrill <jason@redhat.com>
PR c++/69560 - wrong alignof(double) on x86.
CWG 1879 - Inadequate definition of alignment requirement.
* cp-tree.h (ALIGNOF_EXPR_STD_P): New.
* typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
(cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
(cxx_alignof_expr): Pass it.
* parser.c (cp_parser_unary_expression): Pass it.
* pt.c (tsubst_copy): Copy it.
(tsubst_copy_and_build): Pass it.
* decl.c (fold_sizeof_expr): Pass it.
2018-04-23 Jakub Jelinek <jakub@redhat.com>
Jason Merrill <jason@redhat.com>
PR c++/85470 - wrong error with static data member.
* decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
* typeck2.c (store_init_value): Likewise.
2018-04-20 Jakub Jelinek <jakub@redhat.com>
PR c++/85462
* cp-tree.h (tinst_level): Remove in_system_header_p member,
change refcount member from unsigned char to unsigned short,
add refcount_infinity static data member, adjust comments.
* pt.c (tinst_level::refcount_infinity): Define.
(inc_refcount_use): Remove assert, don't increment if refcount
is already refcount_infinity, adjust comment.
(dec_refcount_use): Remove assert, don't decrement if refcount
is refcount_infinity, adjust comment.
(push_tinst_level_loc): Formatting fix.
2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84611
* pt.c (lookup_template_class_1): Check pushtag return value for
error_mark_node.
2018-04-19 Alexandre Oliva <aoliva@redhat.com>
PR c++/80290
* cp-tree.h (tinst_level::free): Fix whitespace.
2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84630
* pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
for error_mark_node.
2018-04-18 Jakub Jelinek <jakub@redhat.com>
PR c++/84463
* typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
tricks from here to ...
* cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
2018-04-18 Alexandre Oliva <aoliva@redhat.com>
PR c++/80290
* cp-tree.h (struct tinst_level): Split decl into tldcl and
targs. Add private split_list_p, tree_list_p, and not_list_p
inline const predicates; to_list private member function
declaration; free public member function declaration; list_p,
get_node and maybe_get_node accessors, and refcount data
member. Narrow errors to unsigned short.
* error.c (print_instantiation_full_context): Use new
accessors.
(print_instantiation_partial_context_line): Likewise. Drop
const from tinst_level-typed parameter.
* mangle.c (mangle_decl_string): Likewise.
* pt.c (freelist): New template class.
(tree_list_freelist_head): New var.
(tree_list_freelist): New fn, along with specializations.
(tinst_level_freelist_head): New var.
(pending_template_freelist_head): Likewise.
(tinst_level_freelist, pending_template_freelist): New fns.
(tinst_level::to_list, tinst_level::free): Define.
(inc_refcount_use, dec_refcount_use): New fns for tinst_level.
(set_refcount_ptr): New template fn.
(add_pending_template): Adjust for refcounting, freelists and
new accessors.
(neglectable_inst_p): Take a NULL d as a non-DECL.
(limit_bad_template_recursion): Use new accessors.
(push_tinst_level): New overload to create the list.
(push_tinst_level_loc): Make it static, split decl into two
args, adjust tests and initialization to cope with split
lists, use freelist, adjust for refcounting.
(push_tinst_level_loc): New wrapper with the old interface.
(pop_tinst_level): Adjust for refcounting.
(record_last_problematic_instantiation): Likewise.
(reopen_tinst_level): Likewise. Use new accessors.
(instantiate_alias_template): Adjust for split list.
(fn_type_unification): Likewise.
(get_partial_spec_bindings): Likewise.
(instantiate_pending_templates): Use new accessors. Adjust
for refcount. Release pending_template to freelist.
(instantiating_current_function_p): Use new accessors.
2018-04-16 Alexandre Oliva <aoliva@redhat.com>
PR c++/85039
* parser.c (cp_parser_builtin_offset): Reject type definitions.
* mangle.c (nested_anon_class_index): Avoid crash returning -1
if we've seen errors.
2018-04-12 David Malcolm <dmalcolm@redhat.com>
PR c++/85385
* name-lookup.c (macro_use_before_def::maybe_make): New function,
checking that the use is indeed before the definition.
(macro_use_before_def::macro_use_before_def): Make private.
(macro_use_before_def::~macro_use_before_def): Make private. Move
check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
(lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
than using new directly.
2018-04-12 Jason Merrill <jason@redhat.com>
PR c++/85356 - ICE with pointer to member function.
* pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
flag_noexcept_type. Build the new spec within the function context.
* except.c (build_noexcept_spec): Do get constant value in templates
if flag_noexcept_type.
* decl.c (check_redeclaration_exception_specification): Don't
instantiate noexcept on a dependent declaration.
2018-04-12 Marek Polacek <polacek@redhat.com>
PR c++/85258
* constexpr.c (reduced_constant_expression_p): Return false for null
trees.
2018-04-11 Marek Polacek <polacek@redhat.com>
PR c++/85032
* constexpr.c (potential_constant_expression_1): Consider conversions
from classes to literal types potentially constant.
2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/70808
* init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
the type like TYPE_PTR_OR_PTRMEM_P.
2018-04-10 Jason Merrill <jason@redhat.com>
PR debug/65821 - wrong location for main().
* call.c (clear_location_r, convert_default_arg): Revert.
* tree.c (break_out_target_exprs): Add clear_location parm.
(struct bot_data): New.
(bot_manip): Clear location if requested.
* init.c (get_nsdmi): Pass clear_location.
2018-04-10 David Malcolm <dmalcolm@redhat.com>
PR c++/85110
* call.c (get_fndecl_argument_location): Make non-static.
* cp-tree.h (get_fndecl_argument_location): New decl.
* typeck.c (convert_for_assignment): When complaining due to
conversions for an argument, show the location of the parameter
within the decl.
2018-04-10 Jakub Jelinek <jakub@redhat.com>
PR c++/85312 - P0962 cleanup
* parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
diagnostics.
2018-04-10 Jason Merrill <jason@redhat.com>
PR debug/65821 - wrong location for main().
* call.c (clear_location_r): New.
(convert_default_arg): Use it.
* tree.c (bot_manip): Remove builtin_LINE/FILE handling.
PR c++/85285 - ICE with flexible array after substitution.
* pt.c (instantiate_class_template_1): Check for flexible array in
union.
2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/85227
* decl.c (cp_finish_decomp): In a template, if the type is incomplete
issue a pedwarn and defer trying to do bindings.
2018-04-09 Jason Merrill <jason@redhat.com>
PR c++/85279 - dump_expr doesn't understand decltype.
* error.c (dump_expr): Handle DECLTYPE_TYPE.
PR c++/85262 - ICE with redundant qualification on constructor.
* call.c (build_new_method_call_1): Move make_args_non_dependent
after A::A() handling.
PR c++/85277 - ICE with invalid offsetof.
* semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
PR c++/85264 - ICE with excess template-parameter-list.
* parser.c (cp_parser_check_template_parameters): Add template_id_p
parameter. Don't allow an extra template header if true.
(cp_parser_class_head): Pass template_id_p.
(cp_parser_elaborated_type_specifier): Likewise.
(cp_parser_alias_declaration): Likewise.
(cp_parser_check_declarator_template_parameters): Likewise.
2018-04-09 Jakub Jelinek <jakub@redhat.com>
PR c++/85194
* parser.c (cp_parser_simple_declaration): For structured bindings,
if *maybe_range_for_decl is NULL after parsing it, set it to
error_mark_node.
2018-04-09 Jason Merrill <jason@redhat.com>
PR c++/85256 - ICE capturing pointer to VLA.
* lambda.c (add_capture): Distinguish between variable-size and
variably-modified types.
2018-04-06 Jason Merrill <jason@redhat.com>
PR c++/85214 - ICE with alias, generic lambda, constexpr if.
* pt.c (extract_locals_r): Remember local typedefs.
2018-04-06 David Malcolm <dmalcolm@redhat.com>
PR c++/84269
* name-lookup.c (struct std_name_hint): Move out of
get_std_name_hint; add field "min_dialect".
(get_std_name_hint): Add min_dialect values to all initializers.
Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
<future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
<shared_mutex>, <string_view>, <thread>, and <variant>.
Add fstream, ifstream, and ofstream to <fstream>.
Add istringstream, ostringstream, and stringstream to <sstream>.
Add basic_string to <string>.
Add tuple_element and tuple_size to <tuple>.
Add declval to <utility>.
Fix ordering of <queue> and <tuple>.
Return a std_name_hint, rather than a const char *.
(get_cxx_dialect_name): New function.
(maybe_suggest_missing_std_header): Detect names that aren't yet
available in the current dialect, and instead of suggesting a
missing #include, warn about the dialect.
2018-04-06 Jakub Jelinek <jakub@redhat.com>
PR c++/85210
* pt.c (tsubst_decomp_names): Return error_mark_node and assert
errorcount is set if tsubst doesn't return a VAR_DECL.
2018-04-06 David Malcolm <dmalcolm@redhat.com>
PR c++/85021
* name-lookup.c (using_directives_contain_std_p): New function.
(has_using_namespace_std_directive_p): New function.
(suggest_alternatives_for): Simplify if/else logic using early
returns. If no candidates were found, and there's a
"using namespace std;" directive, call
maybe_suggest_missing_std_header.
(maybe_suggest_missing_header): Split later part of the function
into..
(maybe_suggest_missing_std_header): New.
2018-04-06 Jason Merrill <jason@redhat.com>
PR c++/85242 - ICE with class definition in template parm.
* cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
processing_template_parmlist.
PR c++/85240 - LTO ICE with using of undeduced auto fn.
* cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
2018-04-05 Jakub Jelinek <jakub@redhat.com>
PR c++/85209
* pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
is not prev, if prev == decl.
PR c++/85208
* decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
maybe_apply_pragma_weak here...
(cp_maybe_mangle_decomp): ... but call it here instead.
2018-04-05 Jason Merrill <jason@redhat.com>
PR c++/85136 - ICE with designated init in template.
* decl.c (maybe_deduce_size_from_array_init): Handle dependent
designated initializer.
(check_array_designated_initializer): Update ce->index with the
constant value.
PR c++/83808 - ICE with VLA initialization.
* typeck2.c (process_init_constructor_array): Don't require a VLA
initializer to have VLA type.
2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/80956
* call.c (convert_like_real): Fail gracefully for a broken
std::initializer_list, missing a definition.
* name-lookup.c (do_pushtag): Tweak message, use %< and %>.
2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84792
* decl.c (grokdeclarator): Fix diagnostic about typedef name used
as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
2018-04-05 Jason Merrill <jason@redhat.com>
PR c++/82152 - ICE with class deduction and inherited ctor.
* pt.c (do_class_deduction): Ignore inherited ctors.
PR c++/84665 - ICE with array of empty class.
* decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
PR c++/85228 - ICE with lambda in enumerator in template.
* pt.c (bt_instantiate_type_proc): Don't assume
CLASSTYPE_TEMPLATE_INFO is non-null.
2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
Implement P0969
* decl.c (find_decomp_class_base): Check accessibility instead
of declared access, adjust diagnostic.
2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
Implement P0961
* decl.c (get_tuple_decomp_init): Check the templatedness
of a member get.
2018-04-05 Jason Merrill <jason@redhat.com>
PR c++/85200 - ICE with constexpr if in generic lambda.
* pt.c (extract_locals_r): Don't record the local specs of variables
declared within the pattern.
2018-04-05 Alexandre Oliva <aoliva@redhat.com>
PR c++/84979
* pt.c (check_auto_in_tmpl_args): New.
(tsubst_qualified_id): Use it to reject template args
referencing auto for non-type templates.
* parser.c (cp_parser_template_id): Likewise.
* cp-tree.h (check_auto_in_tmpl_args): Declare.
* typeck2.c (build_functional_cast): Report correct location
for invalid use of auto.
2018-04-04 Jason Merrill <jason@redhat.com>
PR c++/85215 - ICE with copy-init from conversion.
* call.c (merge_conversion_sequences): Fix type of direct binding
sequence.
PR c++/84938 - ICE with division by ~-1.
* call.c (set_up_extended_ref_temp): Call cp_fully_fold.
PR c++/84936 - ICE with unexpanded pack in mem-initializer.
* parser.c (cp_parser_mem_initializer_list): Call
check_for_bare_parameter_packs.
2018-04-04 Jakub Jelinek <jakub@redhat.com>
PR inline-asm/85172
* constexpr.c (cxx_eval_builtin_function_call): For calls to
builtin_valid_in_constant_expr_p functions, don't call
cxx_eval_constant_expression if argument is not
potential_constant_expression.
PR c++/85146
* cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
argument.
* semantics.c (calculate_bases): Add complain argument. Use
complete_type_or_maybe_complain instead of just complete_type and
return an empty vector if it fails. Move make_tree_vector () call
after early return. Formatting fixes.
(calculate_direct_bases): Likewise. Call release_tree_vector at the
end.
(dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
* pt.c (tsubst_pack_expansion): Adjust calculate_bases and
calculate_direct_bases callers, formatting fixes.
2018-04-04 Jason Merrill <jason@redhat.com>
PR c++/85006 - -fconcepts ICE with A<auto...> return type
* pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
PR c++/85200 - ICE with constexpr if in generic lambda.
* tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
PR c++/84221 - bogus -Wunused with attribute and template.
* decl2.c (is_late_template_attribute): Handle unused and used
normally on non-TYPE_DECL.
PR c++/85135 - ICE with omitted template arguments.
* decl.c (grokdeclarator): Catch deduced class type in trailing
return type.
PR c++/85133 - ICE with missing concept initializer.
* decl.c (cp_finish_decl): If a concept initializer is missing, use
true.
PR c++/85118 - wrong error with generic lambda and std::bind.
* call.c (add_template_conv_candidate): Disable if there are any
call operators.
PR c++/85141 - ICE with compound assignment and static member fn.
* typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
compound assignment.
PR c++/85148 - ICE with 'this' in array NSDMI.
* tree.c (replace_placeholders_r): Use handled_component_p.
2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
PR c++/65923
* decl.c (grokfndecl): Handle standard UDL diagnostics here..
* parser.c (cp_parser_unqualified_id): ..not here.
2018-04-04 Alexandre Oliva <aoliva@redhat.com>
PR c++/84943
* typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
used.
* decl2.c (mark_used): Return without effects if tf_conv.
2018-04-03 Jason Merrill <jason@redhat.com>
PR c++/85092 - C++17 ICE with unused list constructor.
* call.c (conv_binds_ref_to_prvalue): Also count ck_identity
from a TARGET_EXPR.
PR c++/85113 - ICE with constexpr and __builtin_constant_p.
* constexpr.c (cxx_eval_builtin_function_call): Only defer
__builtin_constant_p if ctx->quiet.
2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84768
* pt.c (rewrite_template_parm): If the first argument is
error_mark_node return it immediately.
(build_deduction_guide): Check the return value of the
latter for error_mark_node.
(do_class_deduction): Check the return value of the latter.
2018-04-03 Jason Merrill <jason@redhat.com>
* semantics.c (finish_if_stmt_cond): Use
instantiation_dependent_expression_p.
PR c++/85149 - generic lambda and constexpr if.
* pt.c (build_extra_args, add_extra_args): Split from
tsubst_pack_expansion.
(tsubst_expr) [IF_STMT]: Use them.
* cp-tree.h (IF_STMT_EXTRA_ARGS): New.
* typeck.c (merge_types): Limit matching attribute shortcut to
the default case.
2018-04-03 Jakub Jelinek <jakub@redhat.com>
PR c++/85147
* pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
PR c++/85140
* name-lookup.c (handle_namespace_attrs): Return early if attributes
is error_mark_node.
PR c++/85134
* decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
instead for static data members clear init and set DECL_EXTERNAL.
2018-04-02 Jason Merrill <jason@redhat.com>
PR c++/64095 - auto... parameter pack.
* parser.c (cp_parser_parameter_declaration): Handle turning autos
into packs here.
(cp_parser_parameter_declaration_list): Not here.
2018-03-31 Alexandre Oliva <aoliva@redhat.com>
PR c++/85027
* class.c (instantiate_type): Peel off SAVE_EXPR before
BASELINK.
2018-03-30 Jason Merrill <jason@redhat.com>
* typeck2.c (process_init_constructor_record): Use
init_list_type_node for the CONSTRUCTOR around an anonymous union
designated initializer.
2018-03-30 Jakub Jelinek <jakub@redhat.com>
PR c++/84791
* semantics.c (finish_omp_reduction_clause): If
OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
even if processing_template_decl.
2018-03-29 David Malcolm <dmalcolm@redhat.com>
PR c++/84269
* name-lookup.c (get_std_name_hint): Add names from <memory>,
<tuple>, and <utility>.
2018-03-29 Jason Merrill <jason@redhat.com>
PR c++/85093 - too many template args with pack expansion.
* pt.c (coerce_template_parms): Keep pack expansion args that will
need to be empty.
2018-03-29 Jason Merrill <jason@redhat.com>
* pt.c (build_non_dependent_expr): Propagate expr location.
2018-03-27 Jason Merrill <jason@redhat.com>
PR c++/85060 - wrong-code with call to base member in template.
* search.c (any_dependent_bases_p): Check uses_template_parms
rather than processing_template_decl.
2018-03-29 David Malcolm <dmalcolm@redhat.com>
PR c++/85110
* typeck.c (convert_for_assignment): When complaining due to
conversions for an argument, attempt to use the location of the
argument.
2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/85028
* pt.c (tsubst_default_argument): Early return if the type of the
parameter is erroneous.
2018-03-28 Alexandre Oliva <aoliva@redhat.com>
PR c++/84973
* decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
templates.
PR c++/84968
* tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/85067
* method.c (defaulted_late_check): Partially revert r253321 changes,
do not early return upon error.
2018-03-27 Jakub Jelinek <jakub@redhat.com>
PR c++/85077
* cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
type call fold to generate VECTOR_CSTs when possible.
PR c++/85076
* tree.c (cp_build_reference_type): If to_type is error_mark_node,
return it right away.
2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
* search.c (check_final_overrider): Use inform instead of error
for the diagnostics of the overridden functions. Tweak wording.
2018-03-27 Jakub Jelinek <jakub@redhat.com>
PR c++/85068
* class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
Jason Merrill <jason@redhat.com>
PR c++/84632
* init.c (build_aggr_init): When initializing from array,
reject anything but CONSTRUCTORs and TARGET_EXPRs.
(build_vec_init): Handle separately ARRAY_TYPEs.
2018-03-26 Jason Merrill <jason@redhat.com>
PR c++/85062 - ICE with alignas in wrong place.
* decl.c (grokdeclarator): Ignore attributes on type-specifiers
here.
PR c++/85049 - ICE with __integer_pack.
* pt.c (unify_pack_expansion): Don't try to deduce generated packs.
* cp-tree.h (TEMPLATE_PARM_P): New.
2018-03-23 Jason Merrill <jason@redhat.com>
PR c++/78489 - wrong SFINAE behavior.
PR c++/84489
* pt.c (type_unification_real): Don't defer substitution failure.
2018-03-23 Jakub Jelinek <jakub@redhat.com>
PR c++/85015
* decl.c (compute_array_index_type): Set osize to mark_rvalue_use
result.
PR c++/84942
* pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
cp_build_unary_op call with gcc_unreachable ().
2018-03-23 Marek Polacek <polacek@redhat.com>
PR c++/85045
* cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
(cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
Implement P0962
* parser.c (cp_parser_perform_range_for_lookup): Change
the condition for deciding whether to use members.
2018-03-23 Marek Polacek <polacek@redhat.com>
PR c++/85033
* semantics.c (finish_offsetof): Don't allow CONST_DECLs.
2018-03-23 Alexandre Oliva <aoliva@redhat.com>
PR c++/71251
* parser.c (cp_parser_alias_declaration): Call
parser_check_template_parameters.
PR c++/84789
* pt.c (resolve_typename_type): Drop assert that stopped
simplification to template-independent types. Add assert to
verify the initial scope is template dependent.
* parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
Reparse the id expression as a type-name, not a declarator.
PR c++/84729
* init.c (build_vec_init): Error at parenthesized array init.
PR c++/84610
PR c++/84642
PR c++/84942
* cp-tree.h (temp_override): New template class, generalizing
a cleanup that was only used...
* parser.c (cp_parser_parameter_declaration_clause):
... here for auto_is_implicit_function_template_parm_p.
(cp_parser_gnu_attributes_opt): Use it here as well.
(cp_parser_std_attribute): Likewise.
2018-03-22 Marek Polacek <polacek@redhat.com>
PR c++/84854
* semantics.c (finish_if_stmt_cond): Check if the type of the condition
is boolean.
2018-03-21 Jason Merrill <jason@redhat.com>
PR c++/81311 - wrong C++17 overload resolution.
* call.c (build_user_type_conversion_1): Remove C++17 code.
(conv_binds_ref_to_prvalue): New.
(build_over_call): Handle C++17 copy elision.
(build_special_member_call): Only do C++17 copy elision here if the
argument is already the right type.
2018-03-21 Alexandre Oliva <aoliva@redhat.com>
PR c++/71965
* init.c (build_vec_init): Silence error, former sorry,
without tf_error.
PR c++/84610
PR c++/84642
* parser.c (abort_fully_implicit_template_p): New.
(cp_parser_skip_to_end_of_statement): Use it.
(cp_parser_skip_to_end_of_block_or_statement): Likewise.
(finish_fully_implicit_template_p): Clear
implicit_template_parms and implicit_template_scope.
2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84972
* decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
error_mark_node when check_array_designated_initializer fails.
2018-03-21 Jakub Jelinek <jakub@redhat.com>
PR c++/84961
* cp-tree.h (genericize_compound_lvalue): Declare.
* typeck.c (genericize_compound_lvalue): New function.
(unary_complex_lvalue, cp_build_modify_expr): Use it.
* semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
and PREDECREMENT_EXPR in output and "m" constrained input operands with
COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
COMPOUND_EXPR operand.
2018-03-21 Nathan Sidwell <nathan@acm.org>
PR c++/85008
* tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
* decl2.c (vague_linkage_p): Likewise.
2018-03-21 David Malcolm <dmalcolm@redhat.com>
PR c++/84994
* constexpr.c (constexpr_fn_retval): Make non-"static".
* cp-tree.h (constexpr_fn_retval): New decl.
* search.c (direct_accessor_p): Update leading comment.
(reference_accessor_p): Likewise.
(field_accessor_p): Replace check that function body is a
RETURN_EXPR with a call to constexpr_fn_retval. Fix
indentation of "field_type" decl.
2018-03-21 Nathan Sidwell <nathan@acm.org>
PR c++/84804
* name-lookup.c (do_pushtag): Permit lambdas to be pushed into
complete classes.
2018-03-21 Martin Sebor <msebor@redhat.com>
PR c++/84850
* call.c (first_non_public_field): New template and function.
(first_non_trivial_field): New function.
(maybe_warn_class_memaccess): Call them.
2018-03-21 David Malcolm <dmalcolm@redhat.com>
PR c++/84892
* search.c (field_accessor_p): Use class_of_this_parm rather than
type_of_this_parm, to check that "this" is a "const T *", rather
than a "T *const".
2018-03-21 Nathan Sidwell <nathan@acm.org>
* class.c (finish_struct_anon_r): Refactor, deprecate anything
other than public non-static data members.
* parser.c (cp_parser_init_declarator): Deprecate attributes after
parenthesized initializer.
PR c++/84836
* name-lookup.c (update_binding): Correct logic for local binding
update.
2018-03-21 Marek Polacek <polacek@redhat.com>
PR c++/71638, ICE with NSDMI and reference.
* constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
even when we replace an element.
2018-03-20 Marek Polacek <polacek@redhat.com>
PR c++/84978, ICE with NRVO.
* constexpr.c (cxx_eval_constant_expression): Handle the case when
a RESULT_DECL isn't in the hash map.
2018-03-20 Jason Merrill <jason@redhat.com>
PR c++/84978, ICE with NRVO.
* cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
(cp_get_callee_fndecl_nofold): New.
* cp-gimplify.c (cp_genericize_r): Use it instead.
* call.c (check_self_delegation): Likewise.
2018-03-20 Nathan Sidwell <nathan@acm.org>
PR c++/84962
* name-lookup.c (pushdecl_class_level): Push anon-struct's
member_vec, if there is one.
PR c++/84970
* cp-tree.h (lookup_list_keep): Declare.
* tree.c (lookup_list_keep): New, broken out of ...
(build_min): ... here. Call it.
* decl.c (cp_finish_decl): Call lookup_list_keep.
2018-03-19 Jason Merrill <jason@redhat.com>
PR c++/84937 - ICE with class deduction and auto.
* pt.c (rewrite_template_parm): Fix auto handling.
2018-03-19 Marek Polacek <polacek@redhat.com>
PR c++/84925
* pt.c (enclosing_instantiation_of): Check if fn is null.
PR c++/84927
* constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
as we evaluate the elements.
(cxx_eval_constant_expression): Verify constructor's flags
unconditionally.
2018-03-19 Jason Merrill <jason@redhat.com>
PR c++/71834 - template-id with too few arguments.
* pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
2018-03-19 Nathan Sidwell <nathan@acm.org>
PR c++/84835
* lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
* pt.c (build_template_decl): Propagate language linkage.
PR c++/84812
* name-lookup.c (set_local_extern_decl_linkage): Defend against
ambiguous lookups.
2018-03-16 Jakub Jelinek <jakub@redhat.com>
PR c/84910
* parser.c (cp_parser_lambda_introducer): Remove trailing space from
diagnostics.
* method.c (synthesize_method): Likewise.
* pt.c (convert_nontype_argument): Likewise.
2018-03-16 Jason Merrill <jason@redhat.com>
PR c++/84720 - ICE with rvalue ref non-type argument.
* pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
(convert_nontype_argument): Revert earlier change.
PR c++/80227 - SFINAE and negative array size.
* decl.c (compute_array_index_type): Use
build_converted_constant_expr and valid_constant_size_p.
PR c++/84906 - silent wrong code with ambiguous conversion.
* call.c (build_user_type_conversion_1): Set need_temporary_p on
ambiguous conversion.
(convert_like_real): Check it.
PR c++/83937 - wrong C++17 handling of init-list ctor argument.
* call.c (build_special_member_call): Don't convert an init-list
argument directly to the class type.
2018-03-16 Jakub Jelinek <jakub@redhat.com>
PR c++/79937
PR c++/82410
* cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
(find_placeholder): Declare.
* tree.c (struct replace_placeholders_t): Add exp member.
(replace_placeholders_r): Don't walk into ctors with
CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
(replace_placeholders): Initialize data.exp.
(find_placeholders_r, find_placeholders): New functions.
* typeck2.c (process_init_constructor_record,
process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
if adding NSDMI on which find_placeholder returns true.
* call.c (build_over_call): Don't call replace_placeholders here.
* cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
TARGET_EXPR_INITIAL.
(cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
ctor.
2018-03-16 Jason Merrill <jason@redhat.com>
PR c++/83911 - ICE with multiversioned constructor.
* cp-gimplify.c (cp_genericize_r): Replace versioned function with
dispatchere here.
* call.c (build_over_call): Not here.
2018-03-16 Jakub Jelinek <jakub@redhat.com>
PR c++/84874
* decl.c (reshape_init_class): Don't assert d->cur->index == field
if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
2018-03-15 Jakub Jelinek <jakub@redhat.com>
PR c++/84222
* cp-tree.h (cp_warn_deprecated_use): Declare.
* tree.c (cp_warn_deprecated_use): New function.
* typeck2.c (build_functional_cast): Use it.
* decl.c (grokparms): Likewise.
(grokdeclarator): Likewise. Temporarily push nested class scope
around grokparms call for out of class member definitions.
2018-03-14 Jason Merrill <jason@redhat.com>
PR c++/84820 - no error for invalid qualified-id.
* parser.c (cp_parser_make_indirect_declarator): Don't wrap
cp_error_declarator.
PR c++/84801 - ICE with unexpanded pack in lambda.
* pt.c (check_for_bare_parameter_packs): Don't return early for a
lambda in non-template context.
PR c++/81236 - auto variable and auto function
* pt.c (tsubst_baselink): Update the type of the BASELINK after
mark_used.
2018-03-14 Jason Merrill <jason@redhat.com>
PR c++/83916 - ICE with template template parameters.
* pt.c (convert_template_argument): Don't substitute into type of
non-type parameter if we don't have enough arg levels.
(unify): Likewise.
2018-03-14 Marek Polacek <polacek@redhat.com>
PR c++/84596
* semantics.c (finish_static_assert): Check
instantiation_dependent_expression_p instead of
{type,value}_dependent_expression_p.
2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
Jason Merrill <jason@redhat.com>
PR c++/82336 - link error with list-init default argument.
* decl.c (check_default_argument): Unshare an initializer list.
2018-03-13 Jakub Jelinek <jakub@redhat.com>
PR c++/84843
* decl.c (duplicate_decls): For redefinition of built-in, use error
and return error_mark_node. For redeclaration, return error_mark_node
rather than olddecl if !flag_permissive.
2018-03-13 Jason Merrill <jason@redhat.com>
PR c++/82565 - ICE with concepts and generic lambda.
* pt.c (instantiate_decl): Clear fn_context for lambdas.
2018-03-13 Jason Merrill <jason@redhat.com>
PR c++/84720 - ICE with rvalue ref non-type argument.
* pt.c (convert_nontype_argument): Handle rvalue references.
PR c++/84839 - ICE with decltype of parameter pack.
* pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
instantiating dummy parms.
* parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
parameter even without -Wpedantic.
PR c++/84798 - ICE with auto in abstract function declarator.
* parser.c (cp_parser_parameter_declaration_clause): Check
parser->default_arg_ok_p.
2018-03-13 Jakub Jelinek <jakub@redhat.com>
PR c++/84808
* constexpr.c (find_array_ctor_elt): Don't use elt reference after
first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
sizetype. Formatting fixes.
2018-03-12 Jason Merrill <jason@redhat.com>
PR c++/84355 - ICE with deduction for member class template.
* pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
CLASS_PLACEHOLDER_TEMPLATE.
PR c++/84802 - ICE capturing uninstantiated class.
* lambda.c (build_capture_proxy): Call complete_type.
2018-03-09 Jason Merrill <jason@redhat.com>
PR c++/84770 - ICE with typedef and parameter pack.
* pt.c (verify_unstripped_args_1): Split out from
verify_unstripped_args.
PR c++/84785 - ICE with alias template and default targs.
* pt.c (type_unification_real): Set processing_template_decl if
saw_undeduced == 1.
PR c++/84752 - ICE with capture of constexpr array.
* call.c (standard_conversion): Set rvaluedness_matches_p on the
identity conversion under ck_lvalue.
2018-03-09 Jason Merrill <jason@redhat.com>
Paolo Carlini <paolo.carlini@oracle.com>
PR c++/71169
PR c++/71832
* pt.c (any_erroneous_template_args_p): New.
* cp-tree.h (any_erroneous_template_args_p): Declare it.
* parser.c (cp_parser_class_specifier_1): Use it.
2018-03-09 Jason Merrill <jason@redhat.com>
PR c++/84726 - unnecessary capture of constant vars.
* cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
(LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
* expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
* lambda.c (is_constant_capture_proxy)
(current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
(prune_lambda_captures): New.
(finish_lambda_function): Call prune_lambda_captures.
2018-03-09 Jason Merrill <jason@redhat.com>
Jakub Jelinek <jakub@redhat.com>
PR c++/84076
* call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
build ADDR_EXPR with REFERENCE_TYPE.
(build_over_call): For purposes of check_function_arguments, if
argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
its operand rather than the argument itself.
2018-03-09 Jakub Jelinek <jakub@redhat.com>
PR c++/84724
* decl.c (duplicate_decls): Don't override __* prefixed builtins
except for __[^b]*_chk, instead issue permerror and for -fpermissive
also a note and return olddecl.
2018-03-09 Nathan Sidwell <nathan@acm.org>
PR c++/84733
* name-lookup.c (do_pushdecl_with_scope): Only clear
current_function_decl when pushing a non-class (i.e. namespace)
scope.
2018-03-08 Jason Merrill <jason@redhat.com>
Jakub Jelinek <jakub@redhat.com>
PR c++/80598
* call.c (build_over_call): In templates set TREE_USED (first_fn) when
not calling mark_used for the benefit of -Wunused-function warning.
2018-03-06 Jason Merrill <jason@redhat.com>
* lambda.c (is_capture_proxy_with_ref): Remove.
* constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
2018-03-06 Marek Polacek <polacek@redhat.com>
PR c++/84684
* constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
arguments.
2018-03-06 Alexandre Oliva <aoliva@redhat.com>
PR c++/84231
* tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
only while processing template decls.
* typeck.c (build_x_conditional_expr): Move wrapping of
reference type around type...
* call.c (build_conditional_expr_1): ... here. Rename
is_lvalue to is_glvalue.
* parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
INDIRECT_REF of COND_EXPR too.
PR c++/84593
* init.c (build_zero_init_1): Zero-initialize references.
PR c++/84492
* semantics.c (finish_stmt_expr_expr): Reject unresolved
overloads used as stmt expr values.
2018-03-05 Jason Merrill <jason@redhat.com>
PR c++/84708 - ICE with lambda in local class NSDMI.
* lambda.c (lambda_expr_this_capture): Handle local class NSDMI
context.
2018-03-05 Jakub Jelinek <jakub@redhat.com>
PR c++/84684
* constexpr.c (constexpr_call_hasher::equal): Return false if
lhs->hash != rhs->hash. Change return 1 to return true and
return 0 to return false.
2018-03-05 Nathan Sidwell <nathan@acm.org>
PR c++/84702
* pt.c (process_template_arg): Mark lookup_keep on a default arg.
2018-03-05 Marek Polacek <polacek@redhat.com>
PR c++/84707
* decl.c (duplicate_decls): Check DECL_NAME before accessing
UDLIT_OPER_P.
2018-03-05 Nathan Sidwell <nathan@acm.org>
PR c++/84694
* friend.c (do_friend): Restore check for identifier_p inside
TEMPLATE_ID_EXPR.
2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84618
* parser.c (cp_parser_lambda_introducer): Reject any capture not
involving a VAR_DECL or a PARM_DECL.
2018-03-05 Pádraig Brady <P@draigBrady.com>
Jason Merrill <jason@redhat.com>
Nathan Sidwell <nathan@acm.org>
PR c++/84497
* decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
2018-03-03 Jason Merrill <jason@redhat.com>
PR c++/84686 - missing volatile loads.
* cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/71464
* optimize.c (maybe_thunk_body): Bail out immediately if either
fns[0] or fns[1] is null.
2018-03-02 Marek Polacek <polacek@redhat.com>
PR c++/84578
* constexpr.c (get_array_or_vector_nelts): New.
(cxx_eval_array_reference): Use it.
(cxx_eval_vec_init_1): Likewise.
(cxx_eval_store_expression): Likewise.
2018-03-02 Jason Merrill <jason@redhat.com>
* semantics.c (force_paren_expr): Remove redundant test.
2018-03-02 Marek Polacek <polacek@redhat.com>
PR c++/84663
* decl.c (cp_complete_array_type): Check error_mark_node.
PR c++/84664
* typeck.c (cp_perform_integral_promotions): Check the result of
mark_rvalue_use.
2018-03-02 Jakub Jelinek <jakub@redhat.com>
PR c++/84662
* pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
RETURN instead of return.
<case POINTER_PLUS_EXPR>: Likewise.
<case CONVERT_EXPR>: If op0 is error_mark_node, just return
it instead of wrapping it into CONVERT_EXPR.
2018-03-02 Jason Merrill <jason@redhat.com>
Fix MIPS16 ICE.
* pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
2018-03-02 Marek Polacek <polacek@redhat.com>
PR c++/84590
* cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
wrapped in VIEW_CONVERT_EXPR.
2018-03-01 Martin Sebor <msebor@redhat.com>
PR c++/84294
* decl.c (check_redeclaration_no_default_args): Merge attributes
specified on redeclarations of the same function template.
Remove dead code.
2018-03-01 Marek Polacek <polacek@redhat.com>
Jason Merrill <jason@redhat.com>
PR c++/84582
* semantics.c (force_paren_expr): Create a PAREN_EXPR when in
a template.
(maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
* typeck2.c (store_init_value): Call fold_non_dependent_expr instead
of instantiate_non_dependent_expr.
* tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
2018-03-01 Nathan Sidwell <nathan@acm.org>
PR c++/84434
* name-lookup.c (member_vec_dedup): Remove manually peeled
iteration. Ignore dependent ctor inheritance.
2018-03-01 Jason Merrill <jason@redhat.com>
PR c++/71569 - decltype of template.
* parser.c (cp_parser_decltype_expr): Handle missing template args.
2018-03-01 Marek Polacek <polacek@redhat.com>
PR c++/84596
* constexpr.c (require_rvalue_constant_expression): New function.
* cp-tree.h: Declare it.
* semantics.c (finish_static_assert): Use it instead of
require_potential_rvalue_constant_expression.
2018-03-01 Jason Merrill <jason@redhat.com>
Alexandre Oliva <aoliva@redhat.com>
PR c++/71569 - ICE with redundant args on member variable template.
* decl.c (start_decl): Handle partial specialization of member
variable template.
* pt.c (determine_specialization): Allow partial specialization
of member variable template without specializing enclosing class.
(process_partial_specialization): Improve error message.
2018-02-28 Jason Merrill <jason@redhat.com>
PR c++/71784 - ICE with ref-qualifier and explicit specialization.
* pt.c (determine_specialization): Check ref-qualifier.
2018-02-28 Jakub Jelinek <jakub@redhat.com>
PR c++/84609
* parser.c (cp_parser_attributes_opt): Formatting fix.
(cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
New functions.
(cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
instead of tentative parse to peek over optional attribute tokens
to check for CPP_COLON after them.
PR c++/83871
PR c++/83503
* pt.c (INCLUDE_STRING): Remove define.
(warn_spec_missing_attributes): Use pretty_printer instead of
std::string. Fix up inform call so that the list of attributes
is in %s argument.
2018-02-28 Martin Sebor <msebor@redhat.com>
PR testsuite/84617
* decl.c (duplicate_decls): Fully merge attributes const, pure,
and malloc.
2018-02-28 Nathan Sidwell <nathan@acm.org>
PR c++/84602
* name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
* name-lookup.c (fields_linear_search): Look in an anon-aggr
regardless of want_type.
(search_anon_aggr): Just use get_class_binding_direct.
2018-02-28 Jakub Jelinek <jakub@redhat.com>
* decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
inform_n.
2018-02-27 Martin Sebor <msebor@redhat.com>
* pt.c: Avoid including <string> directly.
2018-02-27 Martin Sebor <msebor@redhat.com>
PR c++/83871
PR c++/83503
* cp-tree.h (warn_spec_missing_attributes): New function.
((check_explicit_specialization): Add an argument. Call the above
function.
* decl.c (duplicate_decls): Avoid applying primary function template's
attributes to its explicit specializations.
cp/pt.c (warn_spec_missing_attributes): Define.
2018-02-27 HÃ¥kon Sandsmark <hsandsmark@gmail.com>
PR c++/71546 - lambda init-capture with qualified-id.
* parser.c (cp_parser_lambda_introducer): Clear scope after
each lambda capture.
2018-02-27 Nathan Sidwell <nathan@acm.org>
PR c++/84426
* name-lookup.h (get_member_slot): Rename ...
(find_member_slot): ... here.
(add_member_slot): New.
* name-lookup.c (member_vec_linear_search): No need to check for
NULL slot.
(get_member_slot): Rename ...
(find_member_slot): ... here. Don't add slot for incomplete class.
(add_member_slot): New.
* class.c (add_method): Adjust get_member_slot rename. Bail out
if push_class_level_binding fails. Create slot and grok
properties once we're committed to insertion.
2018-02-27 Jason Merrill <jason@redhat.com>
PR c++/84489 - dependent default template argument
* pt.c (type_unification_real): Handle early substitution failure.
2018-02-26 Jason Merrill <jason@redhat.com>
PR c++/84560 - ICE capturing multi-dimensional VLA.
* tree.c (array_of_runtime_bound_p): False if the element is
variably-modified.
PR c++/84441 - ICE with base initialized from ?:
* call.c (unsafe_copy_elision_p): Handle COND_EXPR.
PR c++/84520 - ICE with generic lambda in NSDMI.
* lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
'this' in a generic lambda instantiation.
PR c++/84559 - ICE with constexpr VLA.
* constexpr.c (ensure_literal_type_for_constexpr_object): Check
for constexpr variable with VLA type.
2018-02-26 Jakub Jelinek <jakub@redhat.com>
PR c++/84558
* constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
a valid constant initializer. Formatting fixes.
2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84540
* pt.c (tsubst_attributes): Handle correctly tsubst_attribute
returning NULL_TREE.
(apply_late_template_attributes): Likewise.
2018-02-26 Jakub Jelinek <jakub@redhat.com>
PR c++/84557
* parser.c (cp_parser_omp_var_list_no_open): Only call
cp_parser_lookup_name_simple on names satisfying identifier_p.
(cp_parser_oacc_routine): Likewise.
2018-02-26 Jason Merrill <jason@redhat.com>
PR c++/84551 - ICE with concepts and -g.
* parser.c (add_debug_begin_stmt): Do nothing in a concept.
2018-02-26 Marek Polacek <polacek@redhat.com>
PR c++/84325
* tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
non-types.
2018-02-26 Jason Merrill <jason@redhat.com>
PR c++/84447 - ICE with deleted inherited ctor with default arg.
* call.c (build_over_call): Handle deleted functions in one place.
2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84533
* decl.c (redeclaration_error_message): Don't try to use
DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
* lambda.c (build_capture_proxy): Define static.
* cp-tree.h (build_capture_proxy): Remove.
2018-02-26 Marek Polacek <polacek@redhat.com>
PR c++/84537
* name-lookup.c (suggest_alternative_in_explicit_scope): Return false
if name is error node.
2018-02-25 Jason Merrill <jason@redhat.com>
PR c++/84015 - ICE with class deduction and auto template parm.
* pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
2018-02-24 Marek Polacek <polacek@redhat.com>
PR c++/83692
* constexpr.c (maybe_constant_init_1): New function.
(maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
(cxx_constant_init): New function.
* cp-tree.h (cxx_constant_init): Declare.
* typeck2.c (store_init_value): Call cxx_constant_init instead of
cxx_constant_value. Move the maybe_constant_init call under an 'else'.
2018-02-22 Jason Merrill <jason@redhat.com>
PR c++/70468 - ICE with constructor delegation via typedef.
* pt.c (tsubst_initializer_list): Check for other mem-initializers
with constructor delegation.
2018-02-22 Jason Merrill <jason@redhat.com>
PR c++/84424 - ICE with constexpr and __builtin_shuffle.
* constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
VECTOR_TYPE.
2018-02-22 Marek Polacek <polacek@redhat.com>
PR c++/84493
* parser.c (cp_parser_braced_list): Use require_open instead of
consume_open.
2018-02-21 Jason Merrill <jason@redhat.com>
PR c++/84454 - ICE with pack expansion in signature.
* error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
* cp-objcp-common.c (cxx_block_may_fallthru): Add case for
IF_STMT.
2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84446
* parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
on error_mark_node.
2018-02-20 Jakub Jelinek <jakub@redhat.com>
PR c++/84445
* class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
PR c++/84449
* tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
returns error_mark_node, return it immediately.
(break_out_target_exprs): If cp_walk_tree with bot_manip returns
error_mark_node, return error_mark_node.
PR c++/84455
* pt.c (tsubst_lambda_expr): If not nested, increment temporarily
function_depth to avoid GC during finish_lambda_function.
2018-02-19 Jason Merrill <jason@redhat.com>
PR c++/84429 - ICE capturing VLA.
* lambda.c (build_capture_proxy): Handle reference refs.
2018-02-19 Jakub Jelinek <jakub@redhat.com>
PR c++/84448
* parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
either operand is error_mark_node, set current.lhs to that instead of
creating a binary op with error_mark_node operands.
PR c++/84430
* constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84348
* decl.c (grokdeclarator): Early return error_mark_node upon
ill-formed friend declaration.
2018-02-16 Marek Polacek <polacek@redhat.com>
Jakub Jelinek <jakub@redhat.com>
PR c++/84192
* constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
set *jump_target to anything if jump_target is NULL.
2018-02-16 Jason Merrill <jason@redhat.com>
PR c++/84151 - unnecessary volatile load with static member.
* call.c (build_new_method_call_1): Avoid loading from a volatile
lvalue used as the object argument for a static member function.
PR c++/81853 - using-directive and constexpr.
* constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
PR c++/84420 - ICE with structured binding in lambda.
* lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
PR c++/83835 - C++17 error with constructor ctors.
* call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
PR c++/82664 - ICE with reference to function template parm.
* pt.c (convert_nontype_argument_function): Avoid obfuscationg
NOP_EXPRs.
PR c++/82764 - C++17 ICE with empty base
* class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
2018-02-16 Jason Merrill <jason@redhat.com>
PR c++/84421 - type-dependent if constexpr
* semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
2018-02-16 Nathan Sidwell <nathan@acm.org>
Deprecate -ffriend-injection.
* decl.c (cxx_init_decl_processing): Emit warning on option.
* name-lookup.c (do_pushdecl): Emit warning if we push a visible
friend.
2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/82468
* decl.c (check_special_function_return_type): Reject template
template parameter in deduction guide.
2018-02-16 Nathan Sidwell <nathan@acm.org>
PR c++/84375
* name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
2018-02-15 Jason Merrill <jason@redhat.com>
PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
* call.c (convert_like_real): Don't use the copy-list-initialization
shortcut for ck_base.
PR c++/84045 - ICE with typedef and noexcept.
* except.c (build_noexcept_spec): Use strip_typedefs_expr.
PR c++/84376 - ICE with omitted template arguments.
* pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
PR c++/84368 - wrong error with local variable in variadic lambda.
* pt.c (tsubst_pack_expansion): Fix handling of non-packs in
local_specializations.
2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84330
* constraint.cc (tsubst_constraint_info): Handle an error_mark_node
as first argument.
2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84350
* pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
init, early return.
2018-02-14 Nathan Sidwell <nathan@acm.org>
* decl2.c (mark_vtable_entries): Set input_location to decl's.
(c_parse_final_cleanups): Restore input_location after emitting
vtables.
2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
* cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
(do_auto_deduction (tree, tree, tree, tsubst_flags_t,
auto_deduction_context, tree, int): Add defaults.
* pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
(tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
tsubst_flags_t argument.
* init.c (build_new): Likewise.
2018-02-13 Jakub Jelinek <jakub@redhat.com>
PR c++/84364
* typeck.c (check_return_expr): Don't emit -Weffc++ warning
about return other than *this in assignment operators if
retval is type dependent expression.
2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84333
* call.c (build_conditional_expr_1): Use cp_save_expr instead of
save_expr for the G++ extension.
2018-02-13 Jason Merrill <jason@redhat.com>
PR c++/84080 - ICE with return type deduction and specialization.
* pt.c (determine_specialization): Check uses_template_parms.
Fix more variadic capture issues.
* pt.c (find_parameter_packs_r): Also look at explicit captures.
(check_for_bare_parameter_packs): Check current_class_type for
lambda context.
(extract_locals_r): Handle seeing a full instantiation of a pack.
(tsubst_pack_expansion): Likewise. Force lambda capture.
* parser.c (cp_parser_lambda_introducer): Don't
check_for_bare_parameter_packs.
PR c++/84338 - wrong variadic sizeof.
* pt.c (argument_pack_select_arg): Like the macro, but look through
a pack expansion.
(tsubst, tsubst_copy, dependent_template_arg_p): Use it.
(extract_fnparm_pack): Do make_pack_expansion.
(extract_locals_r): Do strip a pack expansion.
* cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
2018-02-12 Jakub Jelinek <jakub@redhat.com>
PR c++/84341
* parser.c (cp_parser_binary_expression): Use build_min instead of
build2_loc to build the no_toplevel_fold_p toplevel binary expression.
2018-02-12 Nathan Sidwell <nathan@acm.org>
PR c++/84263
* parser.c (cp_parser_decltype): Push and pop
deferring_access_checks. Reorganize to avoid goto.
2018-02-12 Richard Biener <rguenther@suse.de>
PR c++/84281
* constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
uniform constructors and delay allocating them fully.
2018-02-09 Jason Merrill <jason@redhat.com>
PR c++/84036 - ICE with variadic capture.
Handle variadic capture proxies more like non-variadic.
* lambda.c (build_capture_proxy): Remove workaround.
* pt.c (find_parameter_packs_r): The proxy is a pack.
(instantiate_class_template_1): Remove dead lambda code.
(extract_fnparm_pack): Don't make_pack_expansion.
(extract_locals_r): Don't strip a pack expansion.
(tsubst_pack_expansion): Handle proxy packs. Use
PACK_EXPANSION_EXTRA_ARGS less.
(tsubst_decl) [FIELD_DECL]: Don't register_specialization.
(tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
[VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
(tsubst_expr) [DECL_EXPR]: Handle proxy packs.
(tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
2018-02-10 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/83987
* tree.c (cp_free_lang_data): Revert 2018-01-23 change.
2018-02-09 Jason Merrill <jason@redhat.com>
PR c++/81917 - ICE with void_t and partial specialization.
* pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
calling most_specialized_partial_spec.
2018-02-09 Nathan Sidwell <nathan@acm.org>
PR c/84293
* typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
Pass expr location to strict_aliasing_warning.
2018-02-09 Jason Merrill <jason@redhat.com>
PR c++/84296 - ICE with qualified-id in template.
PR c++/83714
* pt.c (unknown_base_ref_p): New.
(instantiation_dependent_scope_ref_p): Use it instead of
any_dependent_bases_p.
2018-02-09 Marek Polacek <polacek@redhat.com>
Jakub Jelinek <jakub@redhat.com>
PR c++/83659
* constexpr.c (cxx_fold_indirect_ref): Sync some changes from
fold_indirect_ref_1, including poly_*int64. Verify first that
tree_fits_poly_int64_p (op01). Formatting fixes.
2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
* constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
* lambda.c (build_capture_proxy): Likewise.
* search.c (field_access_p): Likewise.
* semantics.c (omp_clause_decl, omp_privatize_field,
finish_omp_clauses): Likewise.
2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/83806
* typeck.c (decay_conversion): Use mark_rvalue_use for the special
case of nullptr too.
2018-02-08 Nathan Sidwell <nathan@acm.org>
* class.c (finish_struct): Fix std:initializer_list diagnostic
formatting.
2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/83204
* pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2018-02-07 Jakub Jelinek <jakub@redhat.com>
PR c++/84082
* parser.c (cp_parser_dot_deref_incomplete): New function.
(cp_parser_postfix_dot_deref_expression): Use it.
2018-02-07 David Malcolm <dmalcolm@redhat.com>
PR c++/81610
PR c++/80567
* name-lookup.c (suggest_rid_p): New function.
(lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
suggest_rid_p.
2018-02-07 Jason Merrill <jason@redhat.com>
PR c++/84182 - ICE with captured lambda
PR c++/84181
* pt.c (extract_locals_r, extract_local_specs): New.
(tsubst_pack_expansion): Use them.
2018-02-07 Martin Liska <mliska@suse.cz>
PR c++/84059.
* class.c (add_method): Append argument value.
* cp-tree.h (maybe_version_functions): Add new argument.
* decl.c (decls_match): Call it if a declaration does not
have DECL_FUNCTION_VERSIONED.
(maybe_version_functions): record argument is added.
2018-02-05 Marek Polacek <polacek@redhat.com>
* class.c: Remove unused global variables.
(build_primary_vtable): Don't gather statistics.
(print_class_statistics): Remove.
* cp-tree.h (print_class_statistics): Remove.
* tree.c (cxx_print_statistics): Don't call print_class_statistics.
2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
* class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
* constexpr.c (cx_check_missing_mem_inits): Likewise.
* decl.c (next_initializable_field, find_decomp_class_base,
cp_finish_decomp): Likewise.
* typeck2.c (process_init_constructor_record): Likewise.
2018-02-02 Jason Merrill <jason@redhat.com>
PR c++/84181 - ICE with lambda parm in template argument.
* tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
2018-02-01 Jason Merrill <jason@redhat.com>
PR c++/84160 - ICE with nested variadic capture.
* lambda.c (is_capture_proxy_with_ref): New.
(insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
COMPONENT_REF.
* expr.c (mark_use): Use is_capture_proxy_with_ref.
* constexpr.c (potential_constant_expression_1): Likewise.
* semantics.c (process_outer_var_ref): Likewise.
2018-02-01 Marek Polacek <polacek@redhat.com>
PR c++/84125
* typeck.c (build_address): Relax the assert when
processing_template_decl.
2018-02-01 Jason Merrill <jason@redhat.com>
PR c++/84126 - ICE with variadic generic lambda
PR c++/84036
PR c++/82249
* pt.c (tsubst_pack_expansion): Handle function parameter_packs in
PACK_EXPANSION_EXTRA_ARGS.
2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/83796
* call.c (convert_like_real): If w're initializing from {} explicitly
call abstract_virtuals_error_sfinae.
2018-01-31 Jason Merrill <jason@redhat.com>
Jakub Jelinek <jakub@redhat.com>
PR c++/83993
* constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
on ADDR_EXPR.
2018-01-31 Jakub Jelinek <jakub@redhat.com>
PR c++/83993
* constexpr.c (diag_array_subscript): Emit different diagnostics
if TYPE_DOMAIN (arraytype) is NULL.
(cxx_eval_array_reference, cxx_eval_store_expression): For arrays
with NULL TYPE_DOMAIN use size_zero_node as nelts.
2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/84092
* semantics.c (finish_qualified_id_expr): When handling an
UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
2018-01-31 Marek Polacek <polacek@redhat.com>
PR c++/84138
* cp-gimplify.c (cp_fold): Check if X is an error node before
calling useless_type_conversion_p.
2018-01-30 Jason Merrill <jason@redhat.com>
PR c++/84091 - ICE with local class in lambda in template.
* decl2.c (determine_visibility): Look for outer containing template
instantiation.
PR c++/84098 - ICE with lambda in template NSDMI.
* pt.c (instantiate_class_template_1): Ignore more lambdas.
2018-01-29 Jason Merrill <jason@redhat.com>
PR c++/68810 - wrong location for reinterpret_cast error.
* cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
!dofold.
2018-01-29 Marek Polacek <polacek@redhat.com>
PR c++/83996
* constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
=> fooarray[1] in offset_int.
2018-01-29 Jason Merrill <jason@redhat.com>
PR c++/83942 - wrong unused warning with static_cast.
* cvt.c (ocp_convert): Call mark_rvalue_use.
2018-01-26 Jason Merrill <jason@redhat.com>
PR c++/83956 - wrong dtor error with anonymous union
* method.c (walk_field_subobs): Variant members only affect
deletedness.
(maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
PR c++/84036 - ICE with variadic capture.
PR c++/82249
* pt.c (tsubst_pack_expansion): When optimizing a simple
substitution, pull a single pack expansion out of its pack.
PR c++/82514 - ICE with local class in generic lambda.
* pt.c (regenerated_lambda_fn_p): Remove.
(enclosing_instantiation_of): Don't use it.
(tsubst_function_decl): Call enclosing_instantiation_of.
* pt.c (lookup_template_class_1): Add sanity check.
* name-lookup.c (do_pushtag): Don't add closures to local_classes.
2018-01-25 Jakub Jelinek <jakub@redhat.com>
PR c++/84031
* decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
recursive calls that return ret.
(cp_finish_decomp): Ignore unnamed bitfields.
2018-01-23 Jason Merrill <jason@redhat.com>
PR c++/82249 - wrong mismatched pack length error.
* pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
unsubstituted function parameter pack.
2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/83921
* decl.c (check_for_uninitialized_const_var): Not static; add
bool and tsubst_flags_t parameters; adjust to be used both in
constexpr context and not.
* constexpr.c (potential_constant_expression_1): Use the above.
* cp-tree.h (check_for_uninitialized_const_var): Declare.
2018-01-23 Jason Merrill <jason@redhat.com>
PR c++/83947 - ICE with auto declarations.
* pt.c (do_auto_deduction): Don't deduce from an auto decl.
* decl.c (undeduced_auto_decl): Limit to vars and fns.
2018-01-23 David Malcolm <dmalcolm@redhat.com>
PR c++/83974
* pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
for pointer to member function types.
2018-01-23 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/83987
* tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
2018-01-23 Nathan Sidwell <nathan@acm.org>
PR c++/83988
* pt.c (tsubst_baselink): Remove optype assert.
* ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
2018-01-23 Jakub Jelinek <jakub@redhat.com>
PR c++/83958
* decl.c (cp_finish_decomp): Diagnose if reference structure binding
refers to incomplete type.
2018-01-23 Nathan Sidwell <nathan@acm.org>
Deprecate ARM-era for scope handling
* decl.c (poplevel): Flag_new_for_scope is a boolean-like.
(cxx_init_decl_processing): Deprecate flag_new_for_scope being
cleared.
* name-lookup.c (check_for_out_of_scope_variable): Deprecate and
cleanup handling.
* semantics.c (begin_for_scope): Flag_new_for_scope is
boolean-like.
(finish_for_stmt, begin_range_for_stmt): Likewise.
2018-01-22 Jason Merrill <jason@redhat.com>
PR c++/83720
* decl2.c (determine_visibility): Fix template_decl handling
instead of blocking it.
PR c++/83720 - ICE with lambda and LTO.
* decl2.c (determine_visibility): Clear template_decl for
function-scope decls. Propagate anonymous linkage from containing
function.
2018-01-22 Marek Polacek <polacek@redhat.com>
PR c++/81933
* typeck2.c (split_nonconstant_init_1): Return false if we didn't
split out anything.
2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
PR c++/83895
* decl.c (grokdeclarator): Don't diagnose extra parens
on typedefs.
2018-01-19 Jakub Jelinek <jakub@redhat.com>
PR c++/81167
* call.c (joust): Use TREE_TYPE (source) if source is
a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
PR c++/83919
* typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
for direct enum init.
* decl.c (reshape_init): Likewise.
2018-01-19 Marek Polacek <polacek@redhat.com>
* constexpr.c (fold_simple): Simplify.
2018-01-18 Jason Merrill <jason@redhat.com>
PR c++/83714
* search.c (any_dependent_bases_p): Handle null TREE_BINFO.
* pt.c (instantiation_dependent_scope_ref_p): True if
any_dependent_bases_p.
2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
* cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
vs DECL_NONTRIVIALLY_INITIALIZED_P).
2018-01-18 Jason Merrill <jason@redhat.com>
PR c++/82461 - constexpr list-initialized member
* constexpr.c (potential_constant_expression_1): Check
TARGET_EXPR_DIRECT_INIT_P.
2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/81013
* decl.c (xref_basetypes): Early return upon error about derived
union.
2018-01-18 Nathan Sidwell <nathan@acm.org>
PR c++/83160
* cp-tree.h (mark_use): Declare.
* expr.c (mark_use): Make extern.
* call.c (direct_reference_binding): Set inner conv's
rvaluedness_matches_p, if it is an identity.
(convert_like_real): Mark lvalue or rvalue use for identity as
rvaledness_matches_p demands.
2018-01-18 Jakub Jelinek <jakub@redhat.com>
PR c++/83824
* parser.c (attr_chainon): New function.
(cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
cp_parser_namespace_definition, cp_parser_init_declarator,
cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
cp_parser_gnu_attributes_opt): Use it.
(cp_parser_member_declaration, cp_parser_objc_class_ivars,
cp_parser_objc_struct_declaration): Likewise. Don't reset
prefix_attributes if attributes is error_mark_node.
2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/78344
* decl.c (grokdeclarator): Do not append the error_mark_node
due to an erroneous optional attribute-specifier-seq.
2018-01-17 Jakub Jelinek <jakub@redhat.com>
PR c++/83897
* cp-gimplify.c (cp_maybe_instrument_return): Handle
CLEANUP_POINT_EXPR.
2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/81054
* constexpr.c (ensure_literal_type_for_constexpr_object): Return
error_mark_node when we give an error.
* decl.c (cp_finish_decl): Use the latter.
2018-01-17 Nathan Sidwell <nathan@acm.org>
PR c++/83287
* init.c (build_raw_new_expr): Scan list for lookups to keep.
2018-01-17 David Malcolm <dmalcolm@redhat.com>
PR c++/83814
* expr.c (fold_for_warn): Move from c-common.c, reducing to just
the C++ part. If processing a template, call
fold_non_dependent_expr rather than fully folding.
2018-01-17 Jason Merrill <jason@redhat.com>
PR c++/81067 - redundant NULL warning.
* call.c (convert_like_real): Restore null_node handling.
2018-01-17 Jason Merrill <jason@redhat.com>
PR c++/81843 - ICE with variadic member template.
PR c++/72801
* pt.c (unify_pack_expansion): Don't try to deduce enclosing
template args.
2018-01-17 David Malcolm <dmalcolm@redhat.com>
PR c++/83799
* pt.c (type_dependent_expression_p): Strip any location wrapper
before testing tree codes.
(selftest::test_type_dependent_expression_p): New function.
(selftest::cp_pt_c_tests): Call it.
2018-01-17 Nathan Sidwell <nathan@acm.org>
PR c++/83739
* pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
this not a final instantiation.
2018-01-16 Jason Merrill <jason@redhat.com>
PR c++/83714 - ICE checking return in template.
* typeck.c (check_return_expr): Call build_non_dependent_expr.
2018-01-16 Jakub Jelinek <jakub@redhat.com>
PR c++/83817
* pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
instead of CALL_FROM_THUNK_P.
PR c++/83825
* name-lookup.c (member_vec_dedup): Return early if len is 0.
(resort_type_member_vec, set_class_bindings,
insert_late_enum_def_bindings): Use vec qsort method instead of
calling qsort directly.
2018-01-15 Martin Sebor <msebor@redhat.com>
PR c++/83588
* class.c (find_flexarrays): Make a record of multiple flexible array
members.
2018-01-12 Jason Merrill <jason@redhat.com>
PR c++/83186 - ICE with static_cast of list-initialized temporary.
* typeck.c (build_static_cast): Use build_non_dependent_expr.
2018-01-12 Nathan Sidwell <nathan@acm.org>
* cp-tree.h (mark_rvalue_use): Add parm name.
* expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
mark_rvalue_use.
* call.c (convert_like_real): Fix formatting.
2018-01-11 Jason Merrill <jason@redhat.com>
PR c++/82728 - wrong -Wunused-but-set-variable
PR c++/82799
PR c++/83690
* call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
* decl.c (case_conversion): Likewise.
* semantics.c (finish_static_assert): Call
perform_implicit_conversion_flags.
2018-01-11 Nathan Sidwell <nathan@acm.org>
* method.c (enum mangling_flags): Delete long-dead enum.
2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
* parser.c (cp_parser_std_attribute_spec): When
token_pair::require_open / require_close return false simply
return error_mark_node, avoid duplicate cp_parser_error about
expected '(' / ')', respectively.
2018-01-10 David Malcolm <dmalcolm@redhat.com>
PR c++/43486
* call.c (null_ptr_cst_p): Strip location wrappers when
converting from '0' to a pointer type in C++11 onwards.
(conversion_null_warnings): Replace comparison with null_node with
call to null_node_p.
(build_over_call): Likewise.
* cp-gimplify.c (cp_fold): Remove the early bailout when
processing_template_decl.
* cp-lang.c (selftest::run_cp_tests): Call
selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
* cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
(selftest::run_cp_tests): Move decl to bottom of file.
(null_node_p): New inline function.
(selftest::cp_pt_c_tests): New decl.
(selftest::cp_tree_c_tests): New decl.
* cvt.c (build_expr_type_conversion): Replace comparison with
null_node with call to null_node_p.
* error.c (args_to_string): Likewise.
* except.c (build_throw): Likewise.
* mangle.c (write_expression): Skip location wrapper nodes.
* parser.c (literal_integer_zerop): New function.
(cp_parser_postfix_expression): Call maybe_add_location_wrapper on
the result for RID_TYPEID. Pass true for new "wrap_locations_p"
param of cp_parser_parenthesized_expression_list. When calling
warn_for_memset, replace integer_zerop calls with
literal_integer_zerop, eliminating the double logical negation
cast to bool. Eliminate the special-casing for CONST_DECL in
favor of the fold_for_warn within warn_for_memset.
(cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
param, defaulting to false. Convert "expr" to a cp_expr, and call
maybe_add_location_wrapper on it when wrap_locations_p is true.
(cp_parser_unary_expression): Call maybe_add_location_wrapper on
the result for RID_ALIGNOF and RID_SIZEOF.
(cp_parser_builtin_offsetof): Likewise.
* pt.c: Include "selftest.h".
(tsubst_copy): Handle location wrappers.
(tsubst_copy_and_build): Likewise.
(build_non_dependent_expr): Likewise.
(selftest::test_build_non_dependent_expr): New function.
(selftest::cp_pt_c_tests): New function.
* tree.c: Include "selftest.h".
(lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
(selftest::test_lvalue_kind): New function.
(selftest::cp_tree_c_tests): New function.
* typeck.c (string_conv_p): Strip any location wrapper from "exp".
(cp_build_binary_op): Replace comparison with null_node with call
to null_node_p.
(build_address): Use location of operand when building address
expression.
2018-01-10 Marek Polacek <polacek@redhat.com>
PR c++/82541
* call.c (build_conditional_expr_1): Check complain before warning.
* pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
-Wduplicated-branches.
2018-01-10 Jakub Jelinek <jakub@redhat.com>
PR c++/81327
* call.c (maybe_warn_class_memaccess): Add forward declaration.
Change last argument from tree * to const vec<tree, va_gc> *, adjust
args uses and check number of operands too. Don't strip away any
nops. Use maybe_constant_value when looking for INTEGER_CST args.
Deal with src argument not having pointer type. Check
tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
test.
(build_over_call): Call maybe_warn_class_memaccess here on the
original arguments.
(build_cxx_call): Rather than here on converted arguments.
2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/81055
* init.c (build_vec_init): Avoid building an INIT_EXPR with
error_mark_node as second argument.
2018-01-09 Jakub Jelinek <jakub@redhat.com>
PR c++/83734
* constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
in STATEMENT_LIST. Remove unneeded assert.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* constexpr.c (cxx_eval_array_reference): Handle polynomial
VECTOR_CST_NELTS.
(cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
* call.c (build_conditional_expr_1): Likewise.
* decl.c (cp_finish_decomp): Likewise.
* mangle.c (write_type): Likewise.
* typeck.c (structural_comptypes): Likewise.
(cp_build_binary_op): Likewise.
* typeck2.c (process_init_constructor_array): Likewise.
2018-01-03 Jakub Jelinek <jakub@redhat.com>
PR c++/83555
* typeck.c (build_static_cast_1): For static casts to reference types,
call build_base_path with flag_delete_null_pointer_checks as nonnull
instead of always false. When -fsanitize=null, call
ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
* cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
call if the first argument is INTEGER_CST with REFERENCE_TYPE.
2018-01-03 Nathan Sidwell <nathan@acm.org>
PR c++/83667
* method.c (make_alias_for): Copy DECL_CONTEXT.
2018-01-03 Marek Polacek <polacek@redhat.com>
PR c++/83592
* decl.c (grokdeclarator): Don't warn about MVP in typename context.
2018-01-03 Jakub Jelinek <jakub@redhat.com>
PR preprocessor/83602
* name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
for builtin macros.
PR c++/83634
* cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
error_mark_node, return error_mark_node.
Update copyright years.
2018-01-02 Jakub Jelinek <jakub@redhat.com>
PR c++/83556
* tree.c (replace_placeholders_r): Pass NULL as last argument to
cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
to false and return.
(replace_placeholders): Pass NULL instead of &pset as last argument
to cp_walk_tree.
2018-01-02 Nathan Sidwell <nathan@acm.org>
* constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
lval var.
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