blob: 5581616c1927dfe57032a2aa52ddd5c62a10fe3a [file] [log] [blame]
2019-11-14 Release Manager
* GCC 7.5.0 released.
2019-09-05 Iain Sandoe <>
Backported from mainline
2019-08-23 Iain Sandoe <>
PR pch/61250
* parser.c (cp_parser_initial_pragma): Call c_common_no_more_pch ()
after determining that the first token is not
2019-09-02 Richard Biener <>
Backport from mainline
2019-02-21 Richard Biener <>
PR middle-end/89392
* vtable-class-hierarchy.c (vtv_generate_init_routine): Do not
make symtab process new functions here.
2019-08-30 Jakub Jelinek <>
Backported from mainline
2019-06-21 Jakub Jelinek <>
PR c++/90950
* semantics.c (finish_omp_clauses): Don't reject references to
incomplete types if processing_template_decl.
2019-05-10 Jakub Jelinek <>
PR pch/90326
* (gtfiles): Remove c-family/c-lex.c, add
2019-04-19 Jakub Jelinek <>
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 <>
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 <>
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 <>
PR c++/89796
* semantics.c (finish_omp_atomic): Add warning_sentinel for
-Wunused-value around finish_expr_stmt call.
2019-03-22 Jakub Jelinek <>
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
* 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 <>
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
(register_capture_members): Don't clear IDENTIFIER_MARKED here.
2019-03-14 Jakub Jelinek <>
PR c++/89512
* semantics.c (finish_qualified_id_expr): Reject variable templates.
2019-03-06 Jakub Jelinek <>
PR c++/87148
* init.c (build_value_init_noctor): Ignore flexible array members.
2019-02-20 Jakub Jelinek <>
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.
2019-02-05 Jakub Jelinek <>
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.
2019-01-24 Jakub Jelinek <>
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 <>
PR c++/88949
* optimize.c (cxx_copy_decl): New function.
(clone_body): Use it instead of copy_decl_no_change.
2018-12-07 Jakub Jelinek <>
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 <>
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 <>
PR c++/88181
* class.c (fixup_attribute_variants): Also propagate TYPE_PACKED
to variants.
2019-04-10 Matthias Klose <>
Backport from the gcc-8 branch
2019-03-07 Jakub Jelinek <>
PR c++/89585
* parser.c (cp_parser_asm_definition): Parse asm qualifiers even
at toplevel, but diagnose them.
2018-01-02 Segher Boessenkool <>
Backport from trunk
2018-12-06 Segher Boessenkool <>
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 <>
* 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
Backport from trunk
2018-12-19 Segher Boessenkool <>
* parser.c (cp_parser_asm_definition): Rewrite the loop to work without
"done" boolean variable.
Backport from trunk
2018-12-19 Segher Boessenkool <>
* 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 <>
* 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 <>
* parser.c (cp_parser_asm_definition): Do not allow any asm qualifiers
on top-level asm.
2018-12-06 Release Manager
* GCC 7.4.0 released.
2018-11-26 Richard Biener <>
PR c++/84281
* constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
uniform constructors and delay allocating them fully.
2018-11-26 Jason Merrill <>
PR c++/87075 - ICE with constexpr array initialization.
* constexpr.c (cxx_eval_vec_init_1): Handle trivial initialization.
2018-10-23 Tom de Vries <>
backport from trunk:
2018-07-31 Tom de Vries <>
PR debug/86687
* optimize.c (update_cloned_parm): Copy DECL_BY_REFERENCE.
2018-10-12 Jakub Jelinek <>
Backported from mainline
2018-07-16 Jakub Jelinek <>
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.
2018-08-17 Richard Biener <>
Backport from mainline
2018-08-02 Richard Biener <>
PR c++/86763
* class.c (layout_class_type): Copy TYPE_TYPELESS_STORAGE
2018-08-10 Jason Merrill <>
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.
2018-07-03 Jason Merrill <>
PR c++/86378 - functional cast in noexcept-specifier.
* tree.c (strip_typedefs_expr) [TREE_LIST]: Fix iteration.
2018-06-26 Jason Merrill <>
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 <>
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 Jakub Jelinek <>
Backported from mainline
2018-05-29 Jakub Jelinek <>
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 <>
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 <>
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
2018-04-18 Jakub Jelinek <>
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.
2018-04-06 Jakub Jelinek <>
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.
2018-04-05 Jakub Jelinek <>
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.
2018-04-04 Jakub Jelinek <>
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
2018-04-03 Jakub Jelinek <>
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.
2018-03-30 Jakub Jelinek <>
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.
2018-03-27 Jakub Jelinek <>
PR c++/85076
* tree.c (cp_build_reference_type): If to_type is error_mark_node,
return it right away.
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.
2018-03-21 Jakub Jelinek <>
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
2018-03-16 Jakub Jelinek <>
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 <>
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.
2018-03-09 Jason Merrill <>
Jakub Jelinek <>
PR c++/84076
* call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
(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.
2018-03-08 Jason Merrill <>
Jakub Jelinek <>
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.
2018-03-02 Jakub Jelinek <>
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.
2018-06-12 Jason Merrill <>
PR c++/85815 - reference to member of enclosing template.
* parser.c (cp_parser_postfix_dot_deref_expression): Check
PR c++/86060 - ICE on range for with -std=c++98.
* parser.c (cp_parser_init_statement): Don't clobber *decl after
2018-05-07 Jason Merrill <>
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
2018-04-23 Ville Voutilainen <>
Backport from mainline
2018-04-05 Ville Voutilainen <>
Implement P0969
* decl.c (find_decomp_class_base): Check accessibility instead
of declared access, adjust diagnostic.
2018-04-23 Jakub Jelinek <>
Jason Merrill <>
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.
2018-04-23 Ville Voutilainen <>
Backport from mainline
2018-04-05 Ville Voutilainen <>
Implement P0961
* decl.c (get_tuple_decomp_init): Check the templatedness
of a member get.
2018-04-19 Jonathan Wakely <>
PR c++/85464 - missing location for -Wignored-qualifiers diagnostic
* decl.c (grokdeclarator): If declspecs->locations[ds_type_spec]
is UNKNOWN_LOCATION fall back to input_location.
2018-04-09 Jason Merrill <>
PR c++/85279 - dump_expr doesn't understand decltype.
* error.c (dump_expr): Handle DECLTYPE_TYPE.
2018-04-05 Jason Merrill <>
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++/85006 - -fconcepts ICE with A<auto...> return type
* pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
2018-04-04 Jason Merrill <>
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++/85148 - ICE with 'this' in array NSDMI.
* tree.c (replace_placeholders_r): Use handled_component_p.
2018-04-03 Jason Merrill <>
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.
* typeck.c (merge_types): Limit matching attribute shortcut to
the default case.
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.
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 Ville Voutilainen <>
Backport from mainline
2018-03-23 Ville Voutilainen <>
Implement P0962
* parser.c (cp_parser_perform_range_for_lookup): Change
the condition for deciding whether to use members.
2018-03-23 Jason Merrill <>
PR c++/78489 - Substitution in wrong order
PR c++/84489
* pt.c (type_unification_real): Revert last two changes.
PR c++/71834 - template-id with too few arguments.
* pt.c (coerce_template_parms): Make sure we gave an error.
PR c++/84937 - ICE with class deduction and auto.
* pt.c (rewrite_template_parm): Fix auto handling.
PR c++/80227 - SFINAE and negative array size.
* decl.c (compute_array_index_type): Convert to signed for negative
PR c++/84839 - ICE with decltype of parameter pack.
* pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
instantiating dummy parms.
PR c++/84798 - ICE with auto in abstract function declarator.
* parser.c (cp_parser_parameter_declaration_clause): Check
PR c++/84355 - ICE with deduction for member class template.
* pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
2018-03-23 Paolo Carlini <>
Jason Merrill <>
PR c++/82336 - link error with list-init default argument.
* decl.c (check_default_argument): Unshare an initializer list.
2018-03-22 Marek Polacek <>
Backported from mainline
2018-03-22 Marek Polacek <>
PR c++/84854
* semantics.c (finish_if_stmt_cond): Check if the type of the condition
is boolean.
2018-03-19 Marek Polacek <>
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
2018-03-21 Marek Polacek <>
PR c++/71638, ICE with NSDMI and reference.
* constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
even when we replace an element.
2018-03-09 Jason Merrill <>
PR c++/84785 - ICE with alias template and default targs.
* pt.c (type_unification_real): Set processing_template_decl if
saw_undeduced == 1.
2018-03-07 Marek Polacek <>
Backported from mainline
2018-03-06 Marek Polacek <>
PR c++/84684
* constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
2018-03-03 Jason Merrill <>
PR c++/84686 - missing volatile loads.
* cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
2018-03-03 Jakub Jelinek <>
Backported from mainline
2018-02-26 Jakub Jelinek <>
PR c++/84558
* constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
a valid constant initializer. Formatting fixes.
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.
2018-02-20 Jakub Jelinek <>
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.
2018-02-19 Jakub Jelinek <>
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.
2018-02-16 Marek Polacek <>
Jakub Jelinek <>
PR c++/84192
* constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
set *jump_target to anything if jump_target is NULL.
2018-02-12 Jakub Jelinek <>
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.
2018-02-10 Jakub Jelinek <>
PR sanitizer/83987
* tree.c (cp_free_lang_data): Revert 2018-01-23 change.
2018-02-09 Marek Polacek <>
Jakub Jelinek <>
PR c++/83659
* constexpr.c (cxx_fold_indirect_ref): Sync some changes from
fold_indirect_ref_1. Verify first that tree_fits_shwi_p (op01).
Formatting fixes.
2018-02-07 Jakub Jelinek <>
PR c++/84082
* parser.c (cp_parser_dot_deref_incomplete): New function.
(cp_parser_postfix_dot_deref_expression): Use it.
2018-01-31 Jason Merrill <>
Jakub Jelinek <>
PR c++/83993
* constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
2018-01-25 Jakub Jelinek <>
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 Jakub Jelinek <>
PR sanitizer/83987
* tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
PR c++/83958
* decl.c (cp_finish_decomp): Diagnose if reference structure binding
refers to incomplete type.
2018-01-18 Jakub Jelinek <>
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.
2018-01-16 Jakub Jelinek <>
PR c++/83817
* pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
instead of CALL_FROM_THUNK_P.
2018-03-02 Jason Merrill <>
* pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
2018-02-27 Jason Merrill <>
PR c++/84489 - dependent default template argument
* pt.c (type_unification_real): Handle early substitution failure.
2018-03-01 Jason Merrill <>
PR c++/71569 - decltype of template.
* parser.c (cp_parser_decltype_expr): Handle missing template args.
2018-03-01 Jason Merrill <>
Alexandre Oliva <>
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 <>
PR c++/71784 - ICE with ref-qualifier and explicit specialization.
* pt.c (determine_specialization): Check ref-qualifier.
2018-02-27 Jason Merrill <>
PR c++/84496 - ICE with generic lambda in lambda.
* pt.c (type_dependent_expression_p): Fix dependency checking of
functions without DECL_TEMPLATE_INFO.
2018-02-26 Jason Merrill <>
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.
2018-02-26 Jason Merrill <>
Ville Voutilainen <>
PR c++/81589 - error with is_trivially_constructible.
* method.c (constructible_expr): Set cp_unevaluated.
2018-02-25 Jason Merrill <>
PR c++/84015 - ICE with class deduction and auto template parm.
* pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
2018-02-19 Jonathan Wakely <>
Backport from mainline
2017-08-29 Jason Merrill <>
Fix lambdas in template default argument of inherited ctor.
* method.c (synthesized_method_base_walk): Replace an inherited
template with its specialization.
(synthesized_method_walk): Make inheriting_ctor a pointer.
(maybe_explain_implicit_delete, explain_implicit_non_constexpr)
(deduce_inheriting_ctor, implicitly_declare_fn): Adjust.
2018-02-16 Jason Merrill <>
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
PR c++/82764 - C++17 ICE with empty base
* class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
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.
2018-01-29 Jason Merrill <>
PR c++/82461 - constexpr list-initialized member
* constexpr.c (potential_constant_expression_1): Check
2018-01-26 Nathan Sidwell <>
PR c++/82878
PR c++/78495
* call.c (build_call_a): Don't set CALL_FROM_THUNK_P for inherited
* cp-gimplify.c (cp_genericize_r): Restore THUNK dereference
inhibibition check removed in previous c++/78495 change.
2018-01-25 Release Manager
* GCC 7.3.0 released.
2018-01-17 Jason Merrill <>
PR c++/81843 - ICE with variadic member template.
PR c++/72801
* pt.c (unify_pack_expansion): Don't try to deduce enclosing
template args.
PR c++/82331 - ICE with variadic partial specialization of auto
* pt.c (unify) [TEMPLATE_PARM_INDEX]: Set processing_template_decl
around call to tsubst.
PR c++/82760 - memory corruption with aligned new.
* call.c (build_operator_new_call): Update *args if we add the
2018-01-02 Jakub Jelinek <>
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.
2017-12-19 Marek Polacek <>
Backported from mainline
2017-12-18 Marek Polacek <>
PR c++/83116
* constexpr.c (cxx_eval_call_expression): Only look into
constexpr_call_table if ctx->strict.
2017-12-16 Jakub Jelinek <>
Backported from mainline
2017-12-15 Jakub Jelinek <>
PR c++/83205
* decl.c (cp_finish_decomp): Handle the case when tsize is not
error_mark_node, but doesn't fit into uhwi. Split up count != eltscnt
and !tree_fits_uhwi_p (tsize) error_at calls into error_n and inform_n
to handle plural forms properly.
PR c++/81197
* cp-tree.h (cp_maybe_mangle_decomp): Declare.
* decl.c (cp_maybe_mangle_decomp): New function.
(cp_finish_decomp): Don't SET_DECL_ASSEMBLER_NAME here.
* parser.c (cp_convert_range_for,
cp_parser_decomposition_declaration): Call cp_maybe_mangle_decomp.
* pt.c (tsubst_expr): Likewise.
* mangle.c (find_decomp_unqualified_name): New function.
(write_unqualified_name): Handle DECL_DECOMPOSITION_P
where DECL_ASSEMBLER_NAME is already set.
2017-12-15 Jakub Jelinek <>
PR c++/83217
* decl.c (cp_finish_decomp): If decl's type is REFERENCE_TYPE,
call complete_type (TREE_TYPE (type)).
Backported from mainline
2017-12-14 Jakub Jelinek <>
PR c++/79650
* pt.c (convert_nontype_argument): Diagnose
reduced_constant_expression_p expressions that aren't INTEGER_CST.
2017-12-06 Jakub Jelinek <>
PR c++/80259
* decl2.c (grokfield): Diagnose = delete redefinition of a friend.
2017-11-27 Jakub Jelinek <>
PR c++/81888
* parser.c (cp_parser_decomposition_declaration): Reject just
BRACE_ENCLOSED_INITIALIZER_P initializers with nelts != 1 rather
than all such CONSTRUCTORs, and only if is_direct_init is true.
PR c++/81675
* cp-gimplify.c (cp_fold) <case COND_EXPR>: Don't return immediately
for VOID_TYPE_P COND_EXPRs, instead fold the operands and if op0 is
INTEGER_CST, ensure that both op1 and op2 are non-NULL and fall
through into normal folding, otherwise just rebuild x if any op
2017-11-23 Jakub Jelinek <>
* parser.c (cp_parser_omp_declare): Change return type to bool from
void, return true for declare simd.
(cp_parser_pragma): Return cp_parser_omp_declare returned value
rather than always false.
2017-11-20 Jakub Jelinek <>
PR c++/82781
* constexpr.c (cxx_eval_vector_conditional_expression): New function.
(cxx_eval_constant_expression) <case VEC_COND_EXPR>: Use it instead
of cxx_eval_conditional_expression.
2017-10-30 Paolo Carlini <>
PR c++/82085
* pt.c (tsubst_copy_and_build, [INDIRECT_REF]): For a REFERENCE_REF_P,
unconditionally call convert_from_reference.
2017-10-27 Jakub Jelinek <>
Backported from mainline
2017-10-04 Jakub Jelinek <>
PR c++/82373
* error.c (dump_function_decl): If show_return, call dump_type_suffix
on the same return type dump_type_prefix has been called on.
2017-10-17 Nathan Sidwell <>
PR c++/82560
* call.c (build_over_call): Don't pass tf_no_cleanup to nested
2017-10-06 Jakub Jelinek <>
PR c++/82299
* decl.c (reshape_init): Suppress warn_useless_cast for direct enum
* typeck.c (convert_for_assignment): Likewise.
2017-10-05 Jason Merrill <>
* call.c (convert_arg_to_ellipsis): Use the result of force_rvalue.
2017-10-04 Jason Merrill <>
PR c++/82406 - C++ error with noexcept function type
PR c++/70029 - ICE with ref-qualifier and -flto
* tree.c (cxx_copy_lang_qualifiers): New.
* cp-tree.h: Declare it.
* cp-objcp-common.h: Define LANG_HOOKS_COPY_LANG_QUALIFIERS.
PR c++/81525 - broken handling of auto in generic lambda.
* pt.c (tsubst_decl) [VAR_DECL]: Use strip_innermost_template_args.
2017-09-22 Eric Botcazou <>
PR bootstrap/81926
* cp-objcp-common.c (cp_get_debug_type): Do only one lookup
2017-09-22 Jakub Jelinek <>
PR sanitizer/81929
* tree.c (struct replace_placeholders_t): Add pset field.
(replace_placeholders_r): Call cp_walk_tree with d->pset as
last argument instead of NULL. Formatting fix.
(replace_placeholders): Add pset variable, add its address
into data. Pass &pset instead of NULL to cp_walk_tree.
2017-09-18 Jason Merrill <>
PR c++/81236 - ICE with template-id in generic lambda
* parser.c (parsing_default_capturing_generic_lambda): Don't check
for enclosing template.
* semantics.c (finish_qualified_id_expr): Call it.
* cp-tree.h: Adjust.
PR c++/80767 - unnecessary instantiation of generic lambda
PR c++/82030 - ICE inheriting from multiple lambdas
* call.c (convert_like_real): Call build_user_type_conversion_1 if
cand is null.
(add_conv_candidate): Build a ck_user conversion with no candidate.
PR c++/80935 - wrong C++17 error with lambda
* decl.c (check_for_uninitialized_const_var): Check
PR c++/81671 - nullptr_t template parameter
* pt.c (convert_nontype_argument): Fix nullptr_t check.
PR c++/81525 - wrong constant value with generic lambda
* pt.c (tsubst_decl) [VAR_DECL]: Avoid clobbering auto.
(tsubst_copy) [VAR_DECL]: Handle auto.
2017-09-15 Jakub Jelinek <>
Backported from mainline
2017-09-14 Jakub Jelinek <>
PR c++/81314
* cp-gimplify.c (omp_var_to_track): Look through references.
(omp_cxx_notice_variable): Likewise.
2017-09-09 Eric Botcazou <>
PR bootstrap/81926
* cp-objcp-common.c (struct debug_type_hasher): New class.
(debug_type_hash): New variable.
(cp_get_debug_type): Associate the OFFSET_TYPEs with the types.
2017-09-01 Marek Polacek <>
Backported from mainline
2017-09-01 Marek Polacek <>
PR c++/82040
* typeck.c (cp_build_unary_op): Avoid re-entering reporting routines.
2017-08-25 Marek Polacek <>
Backported from mainline
2017-08-08 Marek Polacek <>
PR c++/81607
* cp-gimplify.c (cp_fold): If folding exposed a branch of
a COND_EXPR, convert it to the original type of the COND_EXPR, if
they differ.
2017-08-14 Release Manager
* GCC 7.2.0 released.
2017-08-09 Leonid Koppel <>
PR c++/67054 - Inherited ctor with non-default-constructible members
* method.c (walk_field_subobs) Consider member initializers (NSDMIs)
when deducing an inheriting constructor.
2017-07-27 Paolo Carlini <>
PR c++/71570
* lambda.c (add_capture): Early return if we cannot capture by
2017-07-17 Jakub Jelinek <>
Backported from mainline
2017-07-04 Jakub Jelinek <>
PR c++/81258
* parser.c (cp_parser_decomposition_declaration): Diagnose invalid
forms of structured binding initializers.
2017-07-06 Jason Merrill <>
PR c++/81204 - parse error with dependent template-name
* parser.c (cp_parser_lookup_name): Revert previous change.
2017-06-30 Jason Merrill <>
PR c++/54769 - wrong lookup of dependent template-name.
PR c++/81257 - ICE with invalid ::template.
* parser.c (cp_parser_template_name): Handle dependent object type.
(cp_parser_nested_name_specifier_opt): Make template_keyword_p a
(cp_parser_id_expression): Pass it.
2017-06-29 Jason Merrill <>
PR c++/81180 - ICE with C++17 deduction of member class template.
* pt.c (build_deduction_guide): Correct member template handling.
PR c++/81188 - matching decltype of member function call.
* tree.c (cp_tree_equal): Remove COMPONENT_REF special case.
PR c++/81164 - ICE with invalid inherited constructor.
* search.c (binfo_direct_p): New.
* name-lookup.c (do_class_using_decl): Use it.
2017-06-28 Jason Merrill <>
PR c++/61022 - error with variadic template template parm
* pt.c (convert_template_argument): Keep the TYPE_PACK_EXPANSION.
PR c++/72801 - ICE with variadic partial specialization
* pt.c (unify_pack_expansion): Use PACK_EXPANSION_EXTRA_ARGS.
PR c++/81204 - parse error with dependent template-name
* parser.c (cp_parser_lookup_name): Disqualify function templates
after lookup.
2017-06-26 Jason Merrill <>
PR c++/81215
* pt.c (unify_bound_ttp_args): Restore old logic for C++14 and down.
2017-06-23 Jason Merrill <>
PR c++/79056 - C++17 ICE with invalid template syntax.
* parser.c (cp_parser_simple_type_specifier): Don't assume that type
(cp_parser_check_for_invalid_template_id): Handle TYPE_DECL.
* pt.c (template_placeholder_p): New.
* cp-tree.h: Declare it.
2017-06-21 Jakub Jelinek <>
PR c++/81154
* semantics.c (handle_omp_array_sections_1, finish_omp_clauses):
Complain about t not being a variable if t is OVERLOAD even
when processing_template_decl.
Backported from mainline
2017-06-13 Jakub Jelinek <>
PR c++/80973
* cp-gimplify.c (cp_genericize_r): Don't instrument MEM_REF second
argument even if it has REFERENCE_TYPE.
PR c++/80984
* cp-gimplify.c (cp_genericize): Only look for VAR_DECLs in
BLOCK_VARS (outer) chain.
(cxx_omp_const_qual_no_mutable): Likewise.
2017-06-20 Jason Merrill <>
PR c++/80972 - C++17 ICE with attribute packed.
* call.c (build_over_call): Allow a TARGET_EXPR from reference
2017-06-19 Jason Merrill <>
PR c++/80562 - ICE with constexpr if.
* semantics.c (finish_if_stmt_cond): Call
PR c++/80829 - ICE with constexpr copy of base subobject.
* constexpr.c (clear_no_implicit_zero): New.
(cxx_eval_call_expression): Call it.
PR c++/81073 - constexpr and static var in statement-expression.
* constexpr.c (cxx_eval_constant_expression) [DECL_EXPR]: Check
2017-06-17 Jason Merrill <>
PR c++/60063 - -Wunused-local-typedefs and templates.
* decl2.c (is_late_template_attribute): Return false for "used".
PR c++/70844 - -Wuseless-cast and inheriting constructor.
* method.c (forward_parm): Suppress warn_useless_cast.
2017-06-16 Jason Merrill <>
PR c++/81045 - Wrong type-dependence with auto return type.
* pt.c (type_dependent_expression_p): An undeduced auto outside the
template isn't dependent.
* call.c (build_over_call): Instantiate undeduced auto even in a
PR c++/81102 - Wrong error with partial specialization.
* pt.c (unify) [TEMPLATE_PARM_INDEX]: Strip reference when comparing
types. Do type deduction later.
PR c++/81074 - ICE with partial specialization of member template.
PR c++/71747
* pt.c (get_partial_spec_bindings): Only coerce innermost args.
PR c++/80831 - ICE with -fsyntax-only.
* decl2.c (c_parse_final_cleanups): Use cgraph_node::get_create.
PR c++/80639 - ICE with invalid PMF initialization.
PR c++/80043 - ICE with -fpermissive
* typeck.c (convert_for_assignment): Recurse when instantiate_type
returns without an error.
PR c++/80465 - ICE with generic lambda with noexcept-specifier.
* lambda.c (maybe_add_lambda_conv_op): Keep processing_template_decl
set longer for a generic lambda.
PR c++/80614 - Wrong mangling for C++17 noexcept type
* mangle.c (write_type): Put the eh spec back on the function type.
PR c++/80384 - ICE with dependent noexcept-specifier
* pt.c (dependent_type_p_r) [FUNCTION_TYPE]: Check for dependent
* parser.c (cp_parser_constant_expression): Check
potential_rvalue_constant_expression after decay_conversion.
* pt.c (convert_nontype_argument): Don't require linkage in C++17.
* constexpr.c (potential_constant_expression_1): Allow 'this' capture.
2017-06-08 Jakub Jelinek <>
PR c/81006
* semantics.c (handle_omp_array_sections_1): Convert TYPE_MAX_VALUE
to sizetype before size_binop.
PR c++/81011
* cp-gimplify.c (cxx_omp_finish_clause): When changing clause
2017-06-05 Volker Reichelt <>
* parser.c (cp_parser_base_specifier): Fix typos in error messages.
2017-05-31 Jason Merrill <>
PR c++/80840 - ICE with constexpr and reference
* pt.c (convert_nontype_argument): Don't test whether a decl is
value-dependent when binding to a reference.
PR c++/80856 - ICE with local extern in template
* semantics.c (finish_call_expr): Replace a local extern overload
set in a template with the IDENTIFIER_NODE.
PR c++/80605 - __is_standard_layout and zero-length array
* class.c (check_bases): Use DECL_FIELD_IS_BASE.
PR c++/80605 - __is_standard_layout and empty base
* class.c (check_bases): Ignore empty bases.
PR c++/66297, DR 1684 - literal class and constexpr member fns
* constexpr.c (is_valid_constexpr_fn): Only complain about
non-literal enclosing class in C++11.
* class.c (finalize_literal_type_property): Likewise.
PR c++/80179 - ICE with initialized flexible array member.
* constexpr.c (verify_ctor_sanity): Handle flexible array members.
2017-05-29 Alexandre Oliva <>
* cp-tree.h (lang_identifier): Drop oracle_looked_up, unused.
2017-05-02 Release Manager
* GCC 7.1.0 released.
2017-04-20 Jonathan Wakely <>
PR c++/80473
* init.c (build_new_1): Suppress notes about over-aligned new when
the warning is suppressed.
2017-04-20 Jakub Jelinek <>
PR middle-end/80423
* tree.c (build_cplus_array_type): Call build_array_type
with the intended TYPE_TYPELESS_STORAGE flag value, instead
of calling build_array_type and modifying later TYPE_TYPELESS_STORAGE
on the shared type.
2017-04-18 Marek Polacek <>
PR c++/80244 - ICE with attribute in template alias.
* tree.c (strip_typedefs): Handle UNDERLYING_TYPE.
PR c++/80241 - ICE with alignas pack expansion.
* error.c (dump_expr): Handle TREE_LIST.
* parser.c (cp_parser_std_attribute_list): Return error_mark if
make_pack_expansion returns an error.
2017-04-17 Bernd Edlinger <>
PR c++/80287
* class.c (fixup_may_alias): Fix all type variants.
2017-04-17 Jason Merrill <>
PR c++/80415 - wrong error with default arg and array reference.
* tree.c (lvalue_kind): Return clk_class for an array prvalue.
* pt.c (tsubst_init): Set TARGET_EXPR_DIRECT_INIT_P.
2017-04-15 Alexandre Oliva <>
* decl.c (name_unnamed_type): Split out of...
(grokdeclarator): ... this.
* decl.h (name_unnamed_type): Declare.
2017-04-12 Richard Biener <>
Bernd Edlinger <>
PR middle-end/79671
* tree.c (build_cplus_array_type): Set TYPE_TYPELESS_STORAGE
for arrays of character or std::byte type.
2017-04-11 Jason Merrill <>
PR c++/80294 - ICE with constexpr and inheritance.
* constexpr.c (reduced_constant_expression_p):
A null constructor element is non-constant.
(cxx_eval_indirect_ref): Don't VERIFY_CONSTANT before
returning an empty base.
2017-04-11 Jakub Jelinek <>
PR c++/80370
* decl.c (cp_finish_decomp): If processing_template_decl on
non-dependent decl, only set TREE_TYPE on the v[i] decls, but don't
change their DECL_VALUE_EXPR nor cp_finish_decl them. Instead make
sure DECL_VALUE_EXPR is the canonical NULL type ARRAY_REF for tsubst
* pt.c (value_dependent_expression_p) <case VAR_DECL>: For variables
with DECL_VALUE_EXPR, return true if DECL_VALUE_EXPR is type
2017-04-11 Jakub Jelinek <>
PR c++/80363
* error.c (dump_expr): Handle VEC_COND_EXPR like COND_EXPR.
2017-04-10 Jakub Jelinek <>
PR c++/80176
* tree.c (lvalue_kind): For COMPONENT_REF with BASELINK second
operand, if it is a static member function, recurse on the
2017-04-10 Marek Polacek <>
PR sanitizer/80348
* typeck.c (cp_build_binary_op): Use NULL_TREE instead of NULL. Set
ORIG_TYPE earlier and not only when shortening.
2017-04-07 Jason Merrill <>
PR c++/80356 - ICE with reference to function template argument.
PR c++/79294
* pt.c (convert_nontype_argument_function): Adjust type even with a
value-dependent argument.
PR c++/80267 - ICE with nested capture of reference
PR c++/60992
* pt.c (tsubst_copy): Handle lookup finding a capture proxy.
2017-04-07 Marek Polacek <>
PR sanitizer/80348
* typeck.c (cp_build_binary_op): Convert COP[01] to ORIG_TYPE.
PR c++/80095
* call.c (build_over_call): Don't check cxx_dialect.
* cp-gimplify.c (cp_gimplify_init_expr): Don't check cxx_dialect nor
whether SUB is a CONSTRUCTOR.
* init.c (build_new_1): Don't check cxx_dialect.
* tree.c (replace_placeholders): Add a function comment. Return if
not in C++14, or if the object isn't a (member of a) class.
* typeck2.c (store_init_value): Don't check cxx_dialect nor whether
2017-04-05 Jakub Jelinek <>
PR c++/80309
* pt.c (canonical_type_parameter): Use vec_safe_grow_cleared instead
of a loop doing vec_safe_push of NULL. Formatting fixes.
(rewrite_template_parm): Copy TEMPLATE_PARM_PARAMETER_PACK from oldidx
to newidx before calling canonical_type_parameter on newtype.
2017-04-04 Volker Reichelt <>
PR c++/80296
* cxx-pretty-print.c (cxx_pretty_printer::expression): Add
2017-04-03 Jason Merrill <>
* semantics.c (finish_template_type): Check CLASSTYPE_TEMPLATE_INFO.
2017-04-03 Jonathan Wakely <>
* class.c (update_vtable_entry_for_fn): Fix typo in comment.
* decl2.c (one_static_initialization_or_destruction): Likewise.
* name-lookup.c (store_bindings): Likewise.
* parser.c (make_call_declarator): Likewise.
* pt.c (check_explicit_specialization): Likewise.
2017-04-03 Jason Merrill <>
PR sanitizer/79993 - ICE with VLA initialization from string
PR c++/69487 - wrong VLA initialization from string
* init.c (finish_length_check): Split out from build_vec_init.
(build_vec_init): Handle STRING_CST.
* typeck2.c (split_nonconstant_init): Handle STRING_CST.
(digest_init_r): Don't give a STRING_CST VLA type.
2017-03-31 Jakub Jelinek <>
PR c++/79572
* cp-gimplify.c (cp_genericize_r): Sanitize INTEGER_CSTs with
REFERENCE_TYPE. Adjust ubsan_maybe_instrument_reference caller
PR libstdc++/80251
* cp-tree.h (enum cp_trait_kind): Add CPTK_IS_AGGREGATE.
* cxx-pretty-print.c (pp_cxx_trait_expression): Handle
* semantics.c (trait_expr_value): Handle CPTK_IS_AGGREGATE.
Remove extraneous parens.
(finish_trait_expr): Handle CPTK_IS_AGGREGATE.
* parser.c (cp_parser_primary_expression): Handle RID_IS_AGGREGATE.
(cp_parser_trait_expr): Likewise.
2017-03-27 Jakub Jelinek <>
PR middle-end/80162
* cp-tree.h (cxx_mark_addressable): Add array_ref_p argument.
* typeck.c (cxx_mark_addressable): Likewise. Look through
VIEW_CONVERT_EXPR unless array_ref_p and VCE is from VECTOR_TYPE
(cp_build_array_ref): Pass true as array_ref_p to cxx_mark_addressable.
2017-03-24 Jason Merrill <>
PR c++/77339 - ICE with invalid use of alias template.
* pt.c (lookup_template_class_1): Don't try to enter the scope of an
alias template.
2017-03-24 Marek Polacek <>
PR c++/80119
* cp-gimplify.c (cp_fold): Strip CLEANUP_POINT_EXPR if the expression
doesn't have side effects.
2017-03-23 Jason Merrill <>
PR c++/80150 - ICE with overloaded variadic deduction.
* pt.c (try_one_overload): Remove asserts.
PR c++/77563 - missing ambiguous conversion error.
* call.c (convert_like_real): Use LOOKUP_IMPLICIT.
2017-03-23 Marek Polacek <>
* cp-tree.h: Remove a C_RID_YYCODE reference.
2017-03-22 Jakub Jelinek <>
PR c++/80141
* semantics.c (finish_omp_clause) <case OMP_CLAUSE_SIMDLEN,
case OMP_CLAUSE_ALIGNED>: Call maybe_constant_value only when not
2017-03-21 Paolo Carlini <>
PR c++/77752
* name-lookup.c (pushtag_1): Add check for bogus, non template,
2017-03-21 Jakub Jelinek <>
PR c++/35878
* init.c (std_placement_new_fn_p, build_new_1): Formatting fixes.
2017-03-21 Ville Voutilainen <>
PR c++/35878
* init.c (std_placement_new_fn_p): New.
(build_new_1): Call it.
2017-03-20 Jason Merrill <>
PR c++/80096 - ICE with C++17 non-type auto.
* pt.c (tsubst): Delay tsubst of type of template non-type
PR c++/79519 - ICE with deleted template friend.
* decl.c (grokdeclarator): Complain about misplaced function
definition using =, as well.
PR c++/79640 - infinite recursion with generic lambda.
* pt.c (tsubst_copy) [VAR_DECL]: Register the dummy instantiation
before substituting its initializer.
2017-03-20 Marek Polacek <>
Paolo Carlini <>
PR c++/80059 - ICE with noexcept and __transaction_atomic
* except.c (build_must_not_throw_expr): Call
2017-03-19 Jason Merrill <>
PR c++/80084 - wrong C++17 decomposition by reference of parameter.
* decl.c (cp_finish_decomp): Don't pull out the DECL_INITIAL of a
reference decomposition.
PR c++/80077 - error with constexpr and -fno-elide-constructors.
* constexpr.c (cxx_eval_call_expression): Set ctx->call while
expanding trivial constructor.
2017-03-17 Jason Merrill <>
PR c++/78345 - ICE initializing array from lambda.
* init.c (build_aggr_init): Check array initializer.
(build_vec_init): Check the type of a CONSTRUCTOR.
PR c++/80073 - C++17 ICE with virtual base.
* decl.c (xref_basetypes): Also check for indirect vbases.
2017-03-16 Jason Merrill <>
* decl.c (start_enum): std::byte aliases anything.
PR c++/79797
* constexpr.c (lookup_placeholder): Tweak.
2017-03-15 Jason Merrill <>
PR c++/80043 - ICE with -fpermissive
* typeck.c (convert_for_assignment): Handle instantiate_type
not giving an error.
2017-03-14 Nathan Sidwell <>
PR c++/79393 DR 1658 workaround
* method.c (synthesized_method_base_walk): Inihibit abstract class
virtual base access check here.
(synthesized_method_walk): Not here.
2017-03-13 Nathan Sidwell <>
PR c++/79393 DR 1658 workaround
* method.c (synthesized_method_walk): Check vbases of abstract
classes for dtor walk.
2017-03-10 David Malcolm <>
PR translation/79848
* decl.c (grokfndecl): Simplify uses of "%<%s%>" to "%qs".
2017-03-10 Jason Merrill <>
PR c++/79960 - alias templates and partial ordering
* pt.c (comp_template_args): Add partial_order parm.
(template_args_equal): Likewise.
(comp_template_args_porder): New.
(get_partial_spec_bindings): Use it.
2017-03-10 Marek Polacek <>
PR c++/79967
* decl.c (grokdeclarator): Check ATTRLIST before dereferencing it.
2017-03-10 Jakub Jelinek <>
PR c++/79899
* optimize.c (maybe_thunk_body): Don't ICE if fns[0] is NULL.
PR c++/79896
* decl.c (finish_enum_value_list): If value is error_mark_node,
don't copy it and change its type.
* init.c (constant_value_1): Return error_mark_node if DECL_INITIAL
of CONST_DECL is error_mark_node.
2017-03-09 Marek Polacek <>
PR c++/79900 - ICE in strip_typedefs
* tree.c (strip_typedefs): Skip the attribute handling if T is
a variant type which hasn't been updated yet.
PR c++/79687 - wrong code with pointer-to-member
* init.c (constant_value_1): Break if the variable has a dynamic
2017-03-08 Jason Merrill <>
PR c++/79797 - ICE with self-reference in array DMI.
* constexpr.c (lookup_placeholder): Split out...
(cxx_eval_constant_expression): ...from here.
2017-03-07 Jakub Jelinek <>
PR c/79834
* parser.c (cp_parser_omp_cancellation_point,
cp_parser_omp_target_enter_data, cp_parser_omp_target_exit_data,
cp_parser_omp_target_update): Change "may only be used in compound
statements" diagnostics, such that the same translatable string is
used for all pragmas.
(cp_parser_pragma): Likewise. Use error_at instead of
cp_parser_error for that diagnostics.
2017-03-06 Marek Polacek <>
PR c++/79796 - ICE with NSDMI and this pointer
* call.c (build_over_call): Handle NSDMI with a 'this' by calling
2017-03-06 Jakub Jelinek <>
PR c++/79822
* constexpr.c (cxx_eval_statement_list): Treat empty ({ }) like
({ (void) 0; }).
2017-03-06 Jason Merrill <>
Revert "Allow deduction guides to look into primary template."
* cp-tree.h, parser.c, pt.c, search.c: Revert.
2017-03-05 Paolo Carlini <>
PR c++/70266
* except.c (build_must_not_throw_expr): Perform the implicit
conversions on the condition.
2017-03-03 Jason Merrill <>
* mangle.c (mangle_decl): Check -Wnoexcept-type instead of
Core issues 2273 and 2277
* call.c (joust): Adjust using-declaration tiebreaker to handle
the intermediate base case.
* method.c (strip_inheriting_ctors): Just return the argument if
2017-03-03 Richard Biener <>
PR c++/79825
* cp-gimplify.c (simple_empty_class_p): Handle EMPTY_CLASS_EXPR.
2017-03-03 Marek Polacek <>
PR c++/79791
* typeck.c (string_conv_p): In C++11, always call pedwarn with
2017-03-02 Jason Merrill <>
Update overload resolution with deduction guides.
* pt.c (do_class_deduction): Always build the copy guide.
(copy_guide_p, template_guide_p): New.
(build_deduction_guide): Remember the original constructor.
* call.c (joust): Prefer the copy guide and non-template guides.
Allow deduction guides to look into primary template.
* cp-tree.h (struct saved_scope): Add deduction_guide_type.
(struct cp_decl_specifier_seq): Add constructor_p.
* parser.c (cp_parser_decl_specifier_seq): Set constructor_p.
(cp_parser_init_declarator): Check it. Set ctor_dtor_or_conv_p.
Clear deduction_guide_type. Don't handle deduction guide names.
(cp_parser_declarator): Don't clear ctor_dtor_or_conv_p.
(cp_parser_direct_declarator): Likewise. Handle deduction guides.
(cp_parser_member_declaration, cp_parser_cache_defarg)
(cp_parser_objc_class_ivars): Set ctor_dtor_or_conv_p.
* pt.c (tsubst_copy, tsubst_copy_and_build): Revert last change.
(build_deduction_guide): Set deduction_guide_type.
(dependent_scope_p): Check deduction_guide_type.
* search.c (lookup_member): Likewise.
2017-03-02 Jakub Jelinek <>
PR c++/79782
* init.c (mark_exp_read_r): New function.
(emit_mem_initializers): Use cp_walk_tree with mark_exp_read_r on
whole arguments instead of plain mark_exp_read on TREE_LIST values.
2017-03-01 Jason Merrill <>
Class template argument deduction in new-expression
* init.c (build_new): Handle deduction from no initializer.
* parser.c (cp_parser_new_expression): Don't require a single
expression for class template deduction.
* typeck2.c (cxx_incomplete_type_diagnostic): Fix diagnostic for
class template placeholder.
* pt.c (tsubst_copy) [TEMPLATE_DECL]: Handle dependent context.
(tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: Handle SCOPE_REF.
(redeclare_class_template): Set TEMPLATE_TYPE_PARM_FOR_CLASS.
2017-03-01 Jakub Jelinek <>
PR c++/79746
* init.c (emit_mem_initializers): When not constructing vbases of
abstract classes, mark arguments as read for
2017-02-28 Jason Merrill <>
Class template argument deduction refinements
* call.c (joust): Move deduction guide tiebreaker down.
* decl.c (start_decl_1, cp_finish_decl, grokdeclarator): Allow class
deduction with no initializer.
* pt.c (build_deduction_guide): Handle implicit default/copy ctor.
(do_class_deduction): Use that rather than special case.
(do_auto_deduction): Handle null initializer.
2017-02-28 Jakub Jelinek <>
* decl.c (find_decomp_class_base): Use cond ? G_("...") : G_("...")
instead of just cond ? "..." : "...".
(grokdeclarator): Likewise.
(build_enumerator): Likewise.
* init.c (build_new_1): Likewise.
* call.c (build_new_method_call_1): Likewise.
* parser.c: Include intl.h.
(cp_parser_oacc_enter_exit_data): Use %s and ternary operator only for
"enter"/"exit" keyword.
(cp_finalize_oacc_routine): Don't use %s to supply portions of the
2017-02-27 Jason Merrill <>
PR c++/71568 - SFINAE forming pointer to member function
* init.c (build_offset_ref): Check the return value of
2017-02-27 Marek Polacek <>
* decl.c (expand_static_init): Add missing } in a comment.
2017-02-27 Volker Reichelt <>
* init.c: Include intl.h.
(build_new_1): Move message strings into pedwarn to make them
-Wformat-security friendly. Mark string for translation.
* pt.c (tsubst_copy_and_build): Mark string for translation.
Make the pointer const.
* semantics.c (finish_id_expression): Mark strings for translation.
2017-02-25 Jakub Jelinek <>
* call.c (build_op_delete_call): Make msg1 and msg2 const.
2017-02-24 Jakub Jelinek <>
PR c++/79588
* call.c (build_over_call): Call check_function_arguments even for
-Wrestrict, adjust check_function_arguments caller.
* parser.c (cp_parser_postfix_expression): Don't handle -Wrestrict
* typeck.c (cp_build_function_call_vec): Adjust
check_function_arguments caller.
2017-02-24 Marek Polacek <>
PR translation/79705
* decl.c (check_redeclaration_exception_specification): Mark a string
for translation. Make the pointer const.
2017-02-23 Paolo Carlini <>
PR c++/79361
* pt.c (register_specialization): Check duplicate_decls return value
for error_mark_node and pass it back.
2017-02-22 Jason Merrill <>
PR c++/79679 - missing destructor for argument
* call.c (build_over_call): Don't pass tf_no_cleanup to argument
* pt.c (do_class_deduction): Handle 0 argument case.
2017-02-22 Jakub Jelinek <>
PR c++/79664
* parser.c (cp_parser_omp_teams, cp_parser_omp_target): Use
* constexpr.c (potential_constant_expression_1): Handle
OMP_*, OACC_* and CILK_* trees. Use error_at with
EXPR_LOC_OR_LOC (t, input_location) computed early
instead of error, or error_at with location_of (t).
2017-02-22 Marek Polacek <>
PR c++/79653
* parser.c (cp_parser_std_attribute_spec): Don't build the attribute
if the alignas expression is erroneous.
* pt.c (tsubst_attribute): If tsubst_pack_expansion fails, return
PR c++/79657
* semantics.c (finish_underlying_type): Bail out for incomplete enums.
2017-02-21 Jason Merrill <>
PR c++/50308 - wrong deprecated warning with ADL
PR c++/17729 - duplicate deprecated warning
* semantics.c (finish_id_expression): Only call mark_used on a
function if we aren't building a call.
PR c++/41727 - ICE with partial spec of partial instantiation
* pt.c (process_partial_specialization): For now, don't check more
specialized if there is more than one level of args.
2017-02-21 Marek Polacek <>
PR c++/79535
* cp-tree.h (maybe_reject_flexarray_init): Declare.
* init.c (maybe_reject_flexarray_init): No longer static.
Add check for current_function_decl.
* parser.c (cp_parser_late_parse_one_default_arg): Reject
a default mem-initializer for a flexible array.
2017-02-21 Jakub Jelinek <>
Paolo Carlini <>
PR c++/79654
* decl.c (cp_finish_decomp): Don't set decl's type to error_mark_node
on error.
* pt.c (tsubst_decomp_names): Return error_mark_node if the first
decl after the decomposition artificial decl has error_mark_node.
* decl2.c (prune_vars_needing_no_initialization): Use error_operand_p
instead of just == error_mark_node comparison.
2017-02-21 Jakub Jelinek <>
PR sanitizer/79589
* decl.c: Include gimplify.h.
(cp_finish_decomp): Make sure there is no sharing of trees
in between DECL_VALUE_EXPR of decomposition decls.
PR c++/79655
* constexpr.c (cxx_eval_array_reference): Diagnose negative subscript.
PR c++/79639
* constexpr.c (cxx_eval_store_expression): If *valp is a PTRMEM_CST,
call cplus_expand_constant on it first.
2017-02-19 Jason Merrill <>
PR c++/78139 - destructor needed by new-expression
* call.c (build_special_member_call): Use tf_no_cleanup.
PR c++/78282 - auto template and pack expansion
* pt.c (find_parameter_packs_r): Don't walk into the type of
templates other than template template-parameters.
PR c++/79606 - ICE with this->base_member in NSDMI
* class.c (build_base_path): Check processing_template_decl.
PR c++/79607 - ICE with T{} initializer
* decl.c (type_dependent_init_p): Check the type of a CONSTRUCTOR.
PR c++/79566 - elaborated-type-specifier in range for
* parser.c (cp_parser_simple_declaration): Fix check for type
PR c++/79400 - confusing suggestion of 'noexcept'
* parser.c (cp_parser_exception_specification_opt): Remove
suggestion for deprecated dynamic exception-specification.
PR c++/79470 - partial ordering with reference parameters
* pt.c (unify) [INDIRECT_REF]: Handle pack expansions.
PR c++/79500 - ICE with non-template deduction guide
* pt.c (do_class_deduction): Use STRIP_TEMPLATE rather than
PR c++/79580 - ICE with compound literal
* parser.c (cp_parser_class_head): If we're in the middle of an
expression, use ts_within_enclosing_non_class.
PR c++/79503 - inherited ctor taking base class
* call.c (add_function_candidate): Also check that
DECL_INHERITED_CTOR_BASE is reference-related to the parameter type.
2017-02-19 Paolo Carlini <>
PR c++/79380
* typeck.c (cxx_alignas_expr): Reject a non-integral alignas
2017-02-19 Eric Fiselier <>
Jonathan Wakely <>
PR c++/69523
* parser.c (cp_parser_unqualified_id): Use OPT_Wliteral_suffix to
control warning about literal suffix identifiers without a leading
2017-02-17 Jason Merrill <>
PR c++/79508 - lookup error with member template
* parser.c (cp_parser_template_name): Clear
parser->context->object_type if we aren't doing lookup.
PR c++/78690 - ICE with using and global type with same name
* pt.c (type_dependent_object_expression_p): True for
PR c++/79549 - C++17 ICE with non-type auto template parameter pack
* pt.c (convert_template_argument): Just return an auto arg pack.
(tsubst_template_args): Don't tsubst an auto pack type.
PR c++/79556 - C++17 ICE with non-type auto
* pt.c (do_auto_deduction): Don't try to deduce from null type.
PR c++/79533 - C++17 ICE with temporary cast to reference
* call.c (build_over_call): Conversion to a reference prevents copy
2017-02-16 Jakub Jelinek <>
Jason Merrill <>
PR c++/79502 - lost nodiscard attribute
* pt.c (apply_late_template_attributes): Do apply non-dependent
attributes to types.
2017-02-16 Jason Merrill <>
PR c++/78572 - ICE with self-modifying array initializer
* constexpr.c (cxx_eval_store_expression): The object we're
initializing is outside the constant-expression.
(cxx_eval_call_expression): Set ctx->call.
PR c++/79050 - ICE with undeduced auto and LTO
* decl.c (poplevel): Remove undeduced auto decls.
2017-02-16 Jakub Jelinek <>
PR c++/79512
* parser.c (cp_parser_omp_target): For -fopenmp-simd
ignore #pragma omp target even when not followed by identifier.
2017-02-15 Jason Merrill <>
Jakub Jelinek <>
PR c++/79464 - ICE in IPA with omitted constructor parms
* class.c (build_clone): Also omit parms from TYPE_ARG_TYPES.
(adjust_clone_args): Adjust.
(add_method): Remember omitted parms.
* call.c (add_function_candidate): Likewise.
* mangle.c (write_method_parms): Likewise.
* method.c (ctor_omit_inherited_parms): Return false if there are no
parms to omit.
2017-02-15 Martin Sebor <>
PR c++/79363
* init.c (maybe_reject_flexarray_init): New function.
(perform_member_init): Call it.
2017-02-15 Jakub Jelinek <>
PR c++/79301
* parser.c (cp_parser_std_attribute): Don't pedwarn about
[[deprecated]] with -std=c++11 and [[fallthrough]] with
-std=c++11 and -std=c++14.
PR c++/79288
* decl.c (grokdeclarator): For static data members, handle thread_p
only after handling inline.
2017-02-14 Marek Polacek <>
PR c++/79420
PR c++/79463
* parser.c (cp_parser_postfix_dot_deref_expression): Avoid
clobbering if the postfix expression isn't an EXPR_P.
2017-02-13 Jason Merrill <>
PR c++/79461 - ICE with lambda in constexpr constructor
* constexpr.c (build_data_member_initialization): Ignore
initialization of a local variable.
2017-02-13 Jakub Jelinek <>
* init.c (warn_placement_new_too_small): Add missing space in
* parser.c (cp_parser_oacc_declare): Likewise.
* mangle.c (maybe_check_abi_tags): Likewise.
PR c++/79232
* typeck.c (cp_build_modify_expr): Handle properly COMPOUND_EXPRs
in the rightmost operand.
2017-02-13 Nathan Sidwell <>
PR c++/79296 - ICE mangling localized template instantiation
* decl2.c (determine_visibility): Use template fn context for
local class instantiations.
2017-02-11 Jason Merrill <>
PR c++/77659 - ICE with new and C++14 aggregate NSDMI
* init.c (build_new): Make backups of any CONSTRUCTORs in init.
(build_new_1): Use replace_placeholders.
* tree.c (replace_placeholders_t): Also track whether we've seen a
(replace_placeholders, replace_placeholders_r): Adjust.
* cp-tree.h: Adjust.
PR c++/77790 - ICE with auto function in C++11 mode
* decl.c (undeduced_auto_decl): Remove C++14 limitation.
(require_deduced_type): Add complain parm, return bool.
* cp-tree.h: Adjust.
* decl2.c (mark_used): Use require_deduced_type.
2017-02-10 Jason Merrill <>
PR c++/78908 - template ops and bitfields
* tree.c (build_min_non_dep): Use unlowered_expr_type.
PR c++/78897 - constexpr union
* constexpr.c (cxx_eval_store_expression): A store to a union member
erases a previous store to another member.
PR c++/71285 - member of fold-expression
* semantics.c (finish_unary_fold_expr)
(finish_binary_fold_expr): Use null type for fold-expressions.
PR c++/79401 - protected inherited constructor
* call.c (enforce_access): For inheriting constructor, find a base
binfo in the path we already have.
2017-02-10 Marek Polacek <>
PR c++/79435
* pt.c (type_dependent_expression_p): Check if the expression type
is null.
PR c++/79184
* cvt.c (ocp_convert): Add a sentinel against -Wint-in-bool-context
if warnings shouldn't be given.
2017-02-10 Paolo Carlini <>
PR c++/71737
* pt.c (tsubst_decl): Don't try to preserve a typedef that names
an error_mark_node as type.
2017-02-09 Jakub Jelinek <>
Jason Merrill <>
PR c++/79143
* pt.c (instantiate_class_template_1): Copy CLASSTYPE_NON_AGGREGATE
from pattern to type.
2017-02-09 Jason Merrill <>
PR c++/79316 - default argument in deduction guide
PR c++/79350 - explicit deduction guide
* parser.c (cp_parser_constructor_declarator_p)
(cp_parser_direct_declarator): Parse deduction guides more like
* cp-tree.h (enum special_function_kind): Add sfk_deduction_guide.
* tree.c (special_function_p): Return it.
* decl.c (check_special_function_return_type): Handle it.
(grokdeclarator, grokfndecl): Adjust.
(cp_finish_decl): Pass flags to do_auto_deduction.
* error.c (dump_decl_name): Use TFF_UNQUALIFIED_NAME.
* pt.c (dguide_name_p): Take a const_tree.
(do_class_deduction): Handle explicit.
(do_auto_deduction): Pass flags through.
(build_deduction_guide): Copy explicit flag.
2017-02-09 Jakub Jelinek <>
PR c++/79429
* parser.c (cp_parser_omp_ordered): Don't check for non-pragma_stmt
non-pragma_compound context here.
(cp_parser_omp_target): Likewise.
(cp_parser_pragma): Don't call push_omp_privatization_clauses and
parsing for ordered and target omp pragmas in non-pragma_stmt
non-pragma_compound contexts.
PR c/79431
* parser.c (cp_parser_oacc_declare): Formatting fix.
(cp_parser_omp_declare_target): Don't invoke symtab_node::get on
automatic variables.
2016-02-09 Nathan Sidwell <>
Chung-Lin Tang <>
* parser.c (cp_parser_oacc_clause_tile): Disallow collapse. Fix
parsing. Parse constant expression. Remove semantic checking.
(cp_parser_omp_clause_collapse): Disallow tile.
(cp_parser_omp_for_loop): Deal with tile clause. Don't emit a parse
error about missing for after already emitting one. Use more
conventional for idiom for unbounded loop.
* pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_TILE.
* semantics.c (finish_omp_clauses): Correct TILE semantic check.
(finish_omp_for): Deal with tile clause.
2017-02-07 Nathan Sidwell <>
* method.c (synthesized_method_base_walk): New. Broken out of ...
(synthesized_method_walk): ... here. Call it. Cleanup
2017-02-07 Patrick Palka <>
PR c++/79360
* typeck2.c (process_init_constructor_union): Consider only
FIELD_DECLs when looking for an NSDMI.
2017-02-06 Jason Merrill <>
PR c++/71193 - incomplete types in templates
* parser.c (cp_parser_postfix_dot_deref_expression): In a template
handle incomplete type by pedwarning and then treating as dependent.
2017-02-06 Jakub Jelinek <>
PR c++/79379
* constexpr.c (cxx_eval_constant_expression): Handle ANNOTATE_EXPR.
(potential_constant_expression_1): Likewise.
PR c++/79377
* tree.c (build_min_non_dep_op_overload): For POST{INC,DEC}REMENT_EXPR
allow one fewer than expected arguments if flag_permissive.
PR c++/79372
* decl.c (cp_finish_decomp): On error set decl type to error_mark_node.
* pt.c (tsubst_expr): Don't call tsubst_decomp_names on decompositions
with error_mark_node type.
2017-02-03 Jason Merrill <>
PR c++/78689 - ICE on constructor with label
* optimize.c (maybe_clone_body): Replace omitted parameters with
null lvalues.
* class.c (build_clone): Fix logic for omitting inherited parms.
PR c++/12245 - excessive memory use
* constexpr.c (maybe_constant_value): Fold maybe_constant_value_1
back in. Don't cache constants.
(maybe_constant_init): Don't cache constants.
PR c++/79294 - ICE with invalid template argument
* pt.c (convert_nontype_argument_function): Check value-dependence.
(convert_nontype_argument): Don't check it here for function ptrs.
2017-02-02 Richard Biener <>
PR cp/14179
* cp-gimplify.c (cp_fold): When folding a CONSTRUCTOR copy
it lazily on the first changed element only and copy it
fully upfront, only storing changed elements.
2017-02-02 Paolo Carlini <>
PR c++/69637
* decl2.c (grokbitfield): In case of error don't set-up DECL_INITIAL
to the width.
2017-01-31 Jakub Jelinek <>
PR c++/79304
* error.c (dump_expr) <case COMPONENT_REF>: Don't print .
2017-01-31 David Malcolm <>
PR c++/79298
* name-lookup.c (suggest_alternative_in_explicit_scope): Resolve
any namespace aliases.
2017-01-31 Nathan Sidwell <>
PR c++/79290
* typeck.c (build_ptrmemfunc_access_expr): Set TREE_NO_WARNING.
PR c++/67273
PR c++/79253
* pt.c: (instantiate_decl): Push to top level when current
function scope doesn't match. Only push lmabda scope stack when
pushing to top.
* cp-tree.h (instantiate_decl): Make defer_ok bool.
* pt.c: Fix instantiate_decl calls to pass true/false not 0/1
(instantiate_decl): Simplify and reorder state saving and restoration.
PR c++/79264
* lambda.c (maybe_generic_this_capture): Deal with template-id-exprs.
* semantics.c (finish_member_declaration): Assert class is being
2017-01-30 Alexandre Oliva <>
Introduce C++ support in libcc1.
* cp-tree.h (struct lang_identifier): Add oracle_looked_up.
(ansi_opname): Rename to...
(cp_operator_id): ... this. Adjust all callers.
(ansi_assopname): Rename to...
(cp_assignment_operator_id): ... this. Adjust all callers.
(cp_literal_operator_id): Declare.
(set_global_friend): Declare.
(is_global_friend): Declare.
(enum cp_oracle_request): New type.
(cp_binding_oracle_function): New type.
(cp_binding_oracle): Declare.
(cp_finish_injected_record_type): Declare.
* friend.c (global_friend): New var.
(set_global_friend): New fn.
(is_global_friend): New fn.
(is_friend): Call is_global_friend.
* name-lookup.c (cp_binding_oracle): New var.
(query_oracle): New fn.
(qualified_lookup_using_namespace): Call query_oracle.
(lookup_name_real_1): Likewise.
* parser.c (cp_literal_operator_id): Drop static.
* search.c (friend_accessible_p): Call is_global_friend.
* semantics.c (is_this_parameter): Accept a variable if the
binding oracle is enabled.
2017-01-27 Jason Merrill <>
PR c++/78771 - ICE with inherited constructor.
* call.c (build_over_call): Call deduce_inheriting_ctor here.
* pt.c (tsubst_decl): Not here.
* class.c (add_method): Or here.
* method.c (deduce_inheriting_ctor): Handle clones.
(implicitly_declare_fn): Don't deduce inheriting ctors yet.
2017-01-27 Adam Butcher <>
PR c++/64382
* cp/parser.c (parsing_default_capturing_generic_lambda_in_template):
New function.
* cp/cp-tree.h: Declare it.
* cp/semantics.c (finish_id_expression): Resolve names within a default
capturing generic lambda defined within a template prior to
instantiation to allow for captures to be added to the closure type.
2017-01-26 Jakub Jelinek <>
PR c++/68727
* cp-tree.def (OFFSETOF_EXPR): Bump number of operands to 2.
* cp-tree.h (finish_offsetof): Add OBJECT_PTR argument.
* parser.c (cp_parser_builtin_offsetof): Pass result of
build_static_cast of null_pointer_node to finish_offsetof.
* semantics.c (finish_offsetof): Add OBJECT_PTR argument, use
it for -Winvalid-offsetof pedwarn instead of trying to guess
original offsetof type from EXPR. Save OBJECT_PTR as a new
second operand to OFFSETOF_EXPR.
* pt.c (tsubst_copy_and_build) <case OFFSETOF_EXPR>: Adjust
finish_offsetof caller, pass the second operand of OFFSETOF_EXPR
2017-01-26 Jason Merrill <>
* name-lookup.c (parse_using_directive): Deprecate strong using.
PR c++/79176 - lambda ICE with -flto -Os
* decl2.c (vague_linkage_p): Handle decloned 'tors.
* tree.c (decl_linkage): Likewise.
2017-01-25 Martin Sebor <>
* decl.c (grokdeclarator): Fix a typo in a comment.
2017-01-25 Jakub Jelinek <>
PR c++/78896
* decl.c (cp_finish_decomp): Disallow memberwise decomposition of
lambda expressions.
PR c++/77914
* parser.c (cp_parser_lambda_declarator_opt): Pedwarn with
OPT_Wpedantic on lambda templates for -std=c++14 and higher.
2017-01-25 Maxim Ostapenko <>
PR lto/79061
* decl.c (cxx_init_decl_processing): Pass main_input_filename
to build_translation_unit_decl.
2017-01-24 Jakub Jelinek <>
PR c++/79205
* cp-gimplify.c (cp_genericize_r): Add result of
convert_from_reference on invisiref parm to p_set.
2017-01-24 Nathan Sidwell <>
PR c++/78469 - defaulted ctor and inaccessible dtor
* cp-tree.h (tsubst_flags): Add tf_no_cleanup.
* init.c (build_new_1): Pass tf_no_cleanup to build_value_init.
* tree.c (build_target_expr): Check tf_no_cleanup.
PR c++/79118 - anon-members and constexpr
* constexpr.c (cx_check_missing_mem_inits): Caller passes type not
ctor decl. Recursively check anonymous members.
(register_constexpr_fundef): Adjust cx_check_missing_mem_inits
(explain_invalid_constexpr_fn): Likewise.
2017-01-23 Nathan Sidwell <>
PR c++/71710 - template using directive of field
* pt.c (tsubst_copy_and_build [COMPONENT_REF]): Move FIELD_DECL
check earlier.
PR c++/71406 - ICE with scope-ref'd template id exprs
PR c++/77508
* typeck.c (finish_class_member_access_expr): Break up SCOPE_REF
before breaking up TEMPLATE_ID_EXPR.
2017-01-20 Nathan Sidwell <>
PR c++/78495 - wrong code inherited ctor and invisi-ref parm
* cp-gimplify.c (cp_generize_r): Don't skip thunks.
2017-01-20 David Malcolm <>
PR c++/77829
PR c++/78656
* cp-tree.h (suggest_alternatives_for): Add bool param.
(suggest_alternative_in_explicit_scope): New decl.
* error.c (qualified_name_lookup_error): When SCOPE is a namespace
that isn't the global one, call new function
suggest_alternative_in_explicit_scope, only calling
suggest_alternatives_for if it fails, and disabling near match
searches fort that case. When SCOPE is the global namespace,
pass true for new param to suggest_alternatives_for to allow for
fuzzy name lookups.
* lex.c (unqualified_name_lookup_error): Pass true for new param
to suggest_alternatives_for.
* name-lookup.c (consider_binding_level): Add forward decl.
(suggest_alternatives_for): Add "suggest_misspellings" param,
using it to conditionalize the fuzzy name-lookup code.
(suggest_alternative_in_explicit_scope): New function.
* parser.c (cp_parser_primary_expression): When calling
finish_id_expression, pass location of id_expression rather
than that of id_expr_token.
(cp_parser_id_expression): Convert local "unqualified_id" from
tree to cp_expr to avoid implicitly dropping location information.
2017-01-20 Marek Polacek <>
PR c/64279
* call.c (build_conditional_expr_1): Warn about duplicated branches.
* semantics.c (finish_expr_stmt): Build statement using the proper
2017-01-19 Jason Merrill <>
US 20 - forwarding references and class template argument deduction
* pt.c (push_template_decl_real): Set it.
(maybe_adjust_types_for_deduction): Check it.
(rewrite_template_parm): Copy it.
US 19 - deduction guides and constructors
* call.c (joust): Prefer deduction guides to constructors.
* pt.c (build_deduction_guide): Set DECL_ARTIFICIAL.
(deduction_guide_p): Check DECL_P.
* decl.c (check_initializer): Always use build_aggr_init for array
PR c++/79130 - decomposition and direct-initialization
* init.c (build_aggr_init): Communicate direct-initialization to
(build_vec_init): Check for array copy sooner.
* parser.c (cp_parser_decomposition_declaration): Remove call to
2017-01-18 Jason Merrill <>
PR c++/68666 - member variable template-id
* typeck.c (finish_class_member_access_expr): Handle variable
* pt.c (lookup_and_finish_template_variable): No longer static.
* cp-tree.h: Declare it.
2017-01-18 Nathan Sidwell <>
PR c++/78488
* call.c (build_over_call): When checking ellipsis conversions for
an inherited ctor, make sure there is at least one conversion.
2017-01-18 Jason Merrill <>
PR c++/78894 - ICE with class deduction and default arg
* pt.c (build_deduction_guide): Set DECL_PRIMARY_TEMPLATE.
2017-01-18 Markus Trippelsdorf <>
PR c++/77489
* mangle.c (write_discriminator): Reorganize abi warning check.
2017-01-18 Nathan Sidwell <>
* cp-tree.h: Clarify exception spec node comment.
* except.c (nothrow_spec_p): Simplify by checking node-equality.
PR c++/79091
* mangle.c (write_exception_spec): Check nothrow explicitly.
(write_encoding): Don't increment processing_template_decl around
2017-01-18 Markus Trippelsdorf <>
PR c++/70182
* mangle.c (write_template_args): Add "on" for operator names.
2017-01-18 Markus Trippelsdorf <>
PR c++/77489
* mangle.c (write_discriminator): Handle discriminator >= 10.
2017-01-17 Nathan Sidwell <>
PR c++/61636
* cp-tree.h (maybe_generic_this_capture): Declare.
* lambda.c (resolvable_dummy_lambda): New, broken out of ...
(maybe_resolve_dummy): ... here. Call it.
(maybe_generic_this_capture): New.
* parser.c (cp_parser_postfix_expression): Speculatively capture
this in generic lambda in unresolved member function call.
* pt.c (tsubst_copy_and_build): Force hard error from failed
member function lookup in generic lambda.
2017-01-17 Aldy Hernandez <>
PR c++/70565
* cp-array-notation.c (expand_array_notation_exprs): Handle
2017-01-11 Jason Merrill <>
PR c++/78337 - ICE on invalid with generic lambda
* semantics.c (process_outer_var_ref): Check if containing_function
is null. Move inform call under complain test.
2017-01-11 Nathan Sidwell <>
PR c++/77812
* name-lookup.c (set_namespace_binding_1): An overload of 1 decl
is a new overload.
2017-01-11 Nathan Sidwell <>
* name-lookup.c (push_overloaded_decl_1): Refactor OVERLOAD creation.
2017-01-11 Jakub Jelinek <>
PR c++/78341
* parser.c (cp_parser_std_attribute_spec): Remove over-eager
assertion. Formatting fix.
PR c++/72813
* decl2.c (c_parse_final_cleanups): Set flag_syntax_only to 1 after
writing PCH file.
2017-01-10 David Malcolm <>
PR c++/77949
* parser.c (cp_parser_class_specifier_1): Only suggest inserting
a missing semicolon if we have a valid insertion location for
the fix-it hint.
2017-01-10 Jason Merrill <>
FI 20, decomposition declaration with parenthesized initializer.
* parser.c (cp_parser_decomposition_declaration): Use
2017-01-09 Jason Merrill <>
Implement P0195R2, C++17 variadic using.
* parser.c (cp_parser_using_declaration): Handle ellipsis and comma.
* pt.c (tsubst_decl): Handle pack expansion in USING_DECL_SCOPE.
* error.c (dump_decl): Likewise.
2017-01-09 Jakub Jelinek <>
PR translation/79019
PR translation/79020
* semantics.c (finish_omp_clauses): Add missing whitespace to
translatable strings.
* cp-cilkplus.c (cpp_validate_cilk_plus_loop_aux): Fix comment typo.
2017-01-07 Jason Merrill <>
PR c++/78948 - instantiation from discarded statement
* parser.h (struct cp_parser): Remove in_discarded_stmt field.
* cp-tree.h (in_discarded_stmt): Declare it.
(struct saved_scope): Add discarded_stmt bitfield.
(in_discarded_stmt): New macro.
* decl2.c (mark_used): Check it.
* parser.c (cp_parser_selection_statement): Adjust.
(cp_parser_jump_statement): Adjust.
2017-01-05 Jakub Jelinek <>
PR c++/78931
* decl.c (cp_finish_decomp): Remove probe variable, if tt is
REFERENCE_REF_P, set tt to its operand.
PR c++/78890
* class.c (check_field_decls): Diagnose REFERENCE_TYPE fields in
unions even for C++11 and later.
2017-01-05 Nathan Sidwell <>
PR c++/78765
* pt.c (convert_nontype_argument): Don't try and see if integral
or enum expressions are constants prematurely.
2017-01-04 Marek Polacek <>
PR c++/64767
* typeck.c (cp_build_binary_op): Warn when a pointer is compared with
a zero character literal.
2017-01-04 Jakub Jelinek <>
PR c++/78949
* typeck.c (cp_build_unary_op): Call mark_rvalue_use on arg if it has
vector type.
PR c++/78693
* parser.c (cp_parser_simple_declaration): Only complain about
inconsistent auto deduction if auto_result doesn't use auto.
* parser.c (cp_parser_simple_declaration): Diagnose function
declaration among more than one init-declarators with auto
PR c++/71182
* parser.c (cp_lexer_previous_token): Use vec_safe_address in the
assertion, as lexer->buffer may be NULL.
2017-01-04 Marek Polacek <>
PR c++/77545
PR c++/77284
* constexpr.c (potential_constant_expression_1): Handle CLEANUP_STMT.
2017-01-04 Nathan Sidwell <>
PR c++/66735
* cp-tree.h (DECLTYPE_FOR_REF_CAPTURE): New.
(lambda_capture_field_type): Update prototype.
* lambda.c (lambda_capture_field_type): Add is_reference parm.
Add referenceness here.
(add_capture): Adjust lambda_capture_field_type call, refactor
error checking.
* pt.c (tsubst): Adjust lambda_capture_field_type call.
2017-01-01 Jakub Jelinek <>
Update copyright years.
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