blob: 7aca3ac5c944160bddf98c559e7835e77ec7af72 [file] [log] [blame]
2016-12-24 Jakub Jelinek <>
PR middle-end/78901
* except.c (nothrow_libfn_p): Expect libc_name_p to return
const struct libc_name_struct *, if it returns NULL, return 0,
otherwise check c_ver and use flag_isoc99 or flag_isoc11.
* cfns.gperf: Add %struct-type and libc_name_struct definition.
For all C89 C library functions add , 89 after the name, add
C99 C library functions with , 99 and C11 C library functions
with , 11 suffix.
* cfns.h: Regenerated.
2016-12-22 Jason Merrill <>
PR c++/78906
* pt.c (finish_template_variable): Use most_general_template.
PR c++/78898
PR c++/42329
* pt.c (unify): Don't look for a class template from a non-class.
2016-12-21 Jakub Jelinek <>
PR c++/72707
* name-lookup.c (pushdecl_maybe_friend_1): Do check shadowing of
artificial x if it is an anonymous union variable.
PR bootstrap/78817
* typeck.c (cp_build_function_call_vec): If check_function_arguments
returns true, set TREE_NO_WARNING on CALL_EXPR.
* call.c (build_over_call): Likewise.
PR c++/77830
* constexpr.c (cxx_eval_array_reference): Perform out of bounds
verification even if lval is true, just allow one past the last
element in that case.
(cxx_eval_store_expression): Detect stores to out of bound
2016-12-21 Jason Merrill <>
Implement P0522R0, matching of template template arguments.
* pt.c (coerce_template_template_parms): Allow a template argument
that's less specialized than the parameter.
(unify_bound_ttp_args): Adjust parm's args to apply to arg's
(coerce_template_args_for_ttp): Split out from
(coerce_ttp_args_for_tta, store_defaulted_ttp)
(lookup_defaulted_ttp, add_defaults_to_ttp): New.
(process_partial_specialization): Set DECL_CONTEXT of
template template-parameters.
(coerce_template_parms): Only inform when complain.
(expand_template_argument_pack): Handle error_mark_node.
(convert_template_argument, template_args_equal, unify): Handle
* cp-tree.h (enum cp_tree_index): Add CPTI_ANY_TARG.
(any_targ_node): New.
* decl.c (cxx_init_decl_processing): Set it.
* name-lookup.c (consider_binding_level): Ignore names with embedded
PR c++/42329
* pt.c (unify_bound_ttp_args): Split out from unify.
(try_class_unification): Handle BOUND_TEMPLATE_TEMPLATE_PARM.
(unify): Check for type/non-type mismatch early.
[BOUND_TEMPLATE_TEMPLATE_PARM]: Try get_template_base.
* pt.c (coerce_template_parms): Consider variadic_args_p before
complaining about too many template arguments.
* pt.c (process_partial_specialization): Use
get_partial_spec_bindings to check that the partial specialization
is more specialized than the primary template.
* pt.c (convert_template_argument): Pass args to do_auto_deduction.
(mark_template_parm): Handle deducibility from type of non-type
argument here.
(for_each_template_parm_r): Not here.
* ptree.c (cxx_print_type): Print args of
(cxx_print_decl): Print DECL_TEMPLATE_PARMS.
PR c++/78767 - ICE with inherited constructor default argument
* method.c (strip_inheriting_ctors): Strip template as appropriate.
PR c++/78749 - friend in anonymous namespace
* decl.c (wrapup_globals_for_namespace): Don't complain about friend
pseudo-template instantiations.
2016-12-16 Richard Biener <>
PR c++/71694
* cp-objcp-common.h (cp_unit_size_without_reusable_padding): Declare.
* cp-objcp-common.c (cp_unit_size_without_reusable_padding): New.
2016-12-15 Jakub Jelinek <>
P0490R0 GB 20: decomposition declaration should commit to tuple
interpretation early
* decl.c (get_tuple_size): Make static. If inst is error_mark_node
or non-complete type, return NULL_TREE, otherwise if
lookup_qualified_name fails or doesn't fold into INTEGER_CST, return
(get_tuple_element_type, get_tuple_decomp_init): Make static.
(cp_finish_decomp): Pass LOC to get_tuple_size. If it returns
error_mark_node, complain and fail.
2016-12-15 Nathan Sidwell <>
PR c++/77585
* pt.c (instantiate_decl): Push to class scope lambda resides
within when instantiating a generic lambda function.
2016-12-14 Martin Sebor <>
PR c++/78774
* pt.c (convert_template_argument): Avoid assuming operand type
is non-null since that of SCOPE_REF is not.
2016-12-14 Martin Jambor <>
* parser.c: Include omp-general.h and omp-offload.h instead of
(cp_parser_omp_simd): Adjusted calls to find_omp_clause to use its new
(cp_parser_omp_target_update): Likewise.
(cp_parser_oacc_declare): Likewise.
(cp_parser_oacc_enter_exit_data): Likewise.
(cp_parser_oacc_update): Likewise.
(cp_finalize_oacc_routine): Adjusted call to get_oacc_fn_attrib,
build_oacc_routine_dims and replace_oacc_fn_attrib to use their new
* semantics.c: Include omp-general insteda of omp-low.h.
(finish_omp_for): Adjusted calls to find_omp_clause to use its new
(finish_omp_cancel): Likewise.
(finish_omp_cancellation_point): Likewise.
2016-12-14 Marek Polacek <>
PR c++/72775
* init.c (perform_member_init): Diagnose member initializer for
flexible array member.
2016-12-14 Nathan Sidwell <>
PR c++/78701
* pt.c (type_unification_real): Check tsubst arg doesn't have
remaining template parms before converting it.
PR c++/69481
* cp-tree.h (TYPE_TEMPLATE_INFO_MAYBE_ALIAS): Always use
2016-12-13 Nathan Sidwell <>
PR c++/69481
* cp-tree.h (TYPE_TEMPLATE_INFO): Remove alias type checking.
(TYPE_TEMPLATE_INFO_MAYBE_ALIAS): New. Use those macros.
* error.c (dump_alias_template_specialization): Adjust.
* pt.c (maybe_process_partial_specialization,
iterative_has_template_arg, find_parameter_packs_r,
alias_template_specialization_p, dependent_alias_template_spec_p,
get_underlying_template, lookup_template_class_1, unify): Adjust
template using decl access.
2016-12-11 Paolo Carlini <>
PR c++/78637
* parser.c (cp_parser_namespace_definition): Increment
nested_definition_count only if push_namespace succeeds.
2016-12-08 Nathan Sidwell <>
PR c++/78551
* constexpr.c (extract_string_elt): New. Broken out of ...
(cxx_eval_array_reference): ... here. Call it.
(cxx_eval_store_expression): Convert init by STRING_CST into
CONSTRUCTOR, if needed.
2016-12-08 Jakub Jelinek <>
P0003R5 - removal of dynamic exception specification from C++17
* parser.c (cp_parser_exception_specification_opt): For C++17
error out on throw ( type-id-list ), for C++11 and C++14 issue
-Wdeprecated warning on it. Formatting fix. Treat throw()
in C++17 as noexcept(true).
2016-12-07 Martin Jambor <>
PR c++/78589
* error.c (dump_decl): Use dump_function_name to dump
!DECL_LANG_SPECIFIC function decls with no or self-referencing
abstract origin.
2016-12-07 Nathan Sidwell <>
* pt.c (tsubst <{NON,}TYPE_ARGUMENT_PACK>: Simplify control flow
and avoid re-tsubsting type.
* cp-tree.h (enum cp_tree_index): Add CPTI_AUTO_IDENTIFIER &
(auto_identifier, decltype_auto_identifier): New.
*decl.c (initialize_predefined_identifiers): Add 'auto' and
(grokdeclarator): Use cached identifier.
* pt.c (make_decltype_auto, make_auto, make_constrained_auto,
is_auto): Likewise.
2016-12-02 Jakub Jelinek <>
PR c++/78649
* pt.c (tsubst_init): Don't call build_value_init if decl's type
is error_mark_node.
2016-12-02 Cesar Philippidis <>
James Norris <>
* parser.c (cp_parser_oacc_enter_exit_data): Update diagnostics.
(cp_parser_pragma): Error when PRAGMA_OACC_{ENTER_DATA,
EXIT_DATA,WAIT} are not used in compound statements.
2016-12-01 Jason Merrill <>
* call.c (add_function_candidate): Also exclude inherited ctors
that take a type reference-related to the derived class.
* call.c (add_function_candidate): Exclude inherited copy/move
2016-11-29 David Malcolm <>
PR c++/77922
* name-lookup.c (lookup_name_fuzzy): Filter out reserved words
that were filtered out by init_reswords.
2016-11-28 Jakub Jelinek <>
Jason Merrill <>
PR c++/72808
* decl.c (finish_enum_value_list): Call fixup_type_variants on
current_class_type after
2016-11-28 Jakub Jelinek <>
PR c++/77591
* typeck.c (maybe_warn_about_returning_address_of_local): Optimize
whats_returned through fold_for_warn.
2016-11-27 Jason Merrill <>
PR c++/77907
* constexpr.c (cxx_eval_constant_expression): Use cp_fold_convert.
2016-11-24 Martin Liska <>
PR bootstrap/78493
* parser.c (cp_parser_range_for): Use safe_push instead of quick_push.
2016-11-23 Jakub Jelinek <>
PR c++/77907
* cp-gimplify.c (cp_fold) <case CALL_EXPR>: When calling constructor
and maybe_constant_value returns non-CALL_EXPR, create INIT_EXPR
with the object on lhs and maybe_constant_value returned expr on rhs.
PR c++/71450
* pt.c (tsubst_copy): Return error_mark_node when mark_used
fails, even when complain & tf_error.
PR c++/77739
* cp-gimplify.c (cp_gimplify_tree) <case VEC_INIT_EXPR>: Pass
false as handle_invisiref_parm_p to cp_genericize_tree.
(struct cp_genericize_data): Add handle_invisiref_parm_p field.
(cp_genericize_r): Don't wrap is_invisiref_parm into references
if !wtd->handle_invisiref_parm_p.
(cp_genericize_tree): Add handle_invisiref_parm_p argument,
set wtd.handle_invisiref_parm_p to it.
(cp_genericize): Pass true as handle_invisiref_parm_p to
cp_genericize_tree. Formatting fix.
2016-11-21 Bernd Edlinger <>
PR c++/71973
* decl.c (duplicate_decls): Warn when a built-in function is redefined.
Don't overload builtin functions with C++ functions.
Handle const_tm_ptr_type_node like file_ptr_node.
Copy the TREE_NOTHROW flag unmodified to the old decl.
2016-11-18 Jason Merrill <>
PR objc++/78418 - ICE in string tests on darwin
* tree.c (lvalue_kind): Guard DECL_HAS_VALUE_EXPR_P.
2016-11-18 Jakub Jelinek <>
PR c++/77285
* mangle.c (mangle_tls_init_fn, mangle_tls_wrapper_fn): Call
2016-11-18 Jason Merrill <>
PR c++/67631 - list-init and explicit conversions
* semantics.c (finish_compound_literal): Call digest_init_flags.
* typeck2.c (digest_init_flags): Add complain parm.
(store_init_value): Pass it.
2016-11-18 Richard Sandiford <>
Alan Hayward <>
David Sherwood <>
* class.c (finish_struct_bits): Use SET_DECL_MODE.
(build_base_field_1, layout_class_type, finish_struct_1): Likewise.
* decl.c (make_label_decl): Likewise.
* pt.c (tsubst_decl): Likewise.
2016-11-17 Jason Merrill <>
PR c++/78193 - inherited ctor regressions on sparc32.
* call.c (build_over_call): Don't set CALL_FROM_THUNK_P here.
(build_call_a): Set it here, and don't insert EMPTY_CLASS_EXPR.
(convert_like_real) [ck_rvalue]: Also pass non-addressable
types along directly.
2016-11-17 Paolo Carlini <>
PR c++/55080
* parser.c (cp_parser_non_integral_constant_expression): Issue a
pedwarn instead of an error for case NIC_FLOAT.
2016-11-17 Jason Merrill <>
PR c++/78124 - list-initialization and inherited ctor
* name-lookup.c (do_class_using_decl): Set CLASSTYPE_NON_AGGREGATE.
PR c++/78369 - {} as default argument
* call.c (build_special_member_call): Handle CONSTRUCTOR.
PR c++/68377
* parser.c (cp_parser_fold_expression): Check TREE_NO_WARNING.
2016-11-16 Jason Merrill <>
PR c++/78373
* decl.c (cp_finish_decl): Don't set TREE_CONSTANT on a reference.
* typeck2.c (store_init_value): Likewise.
* decl.c (store_decomp_type, lookup_decomp_type): New.
(cp_finish_decomp): Call store_decomp_type.
* semantics.c (finish_decltype_type): Call lookup_decomp_type.
* cp-tree.h: Declare lookup_decomp_type.
2016-11-15 Jakub Jelinek <>
* decl.c (cp_finish_decomp): For DECL_NAMESPACE_SCOPE_P decl,
* parser.c (cp_parser_decomposition_declaration): Likewise
if returning error_mark_node.
* mangle.c (mangle_decomp): New function.
* cp-tree.h (mangle_decomp): New declaration.
2016-11-15 Jason Merrill <>
PR c++/78358
* semantics.c (finish_decltype_type): Strip references for a tuple
* cp-tree.h (DECL_DECOMPOSITION_P): False for non-variables.
* decl2.c (decl_maybe_constant_var_p): References qualify.
* constexpr.c (non_const_var_error): Handle references.
* init.c (constant_value_1): Always check decl_constant_var_p.
* cp-gimplify.c (cp_fold_maybe_rvalue): Don't fold references.
* error.c (dump_decl_name): Split out from dump_decl.
2016-11-14 Jason Merrill <>
* tree.c (bitfield_p): New.
* cp-tree.h: Declare it.
* typeck.c (cxx_sizeof_expr, cxx_alignof_expr)
(cp_build_addr_expr_1): Use it instead of DECL_C_BIT_FIELD.
* decl.c (cp_finish_decomp): Look through reference. Always
* semantics.c (finish_decltype_type): Adjust decomposition handling.
2016-11-13 Jakub Jelinek <>
Jason Merrill <>
Implement P0217R3 - C++17 structured bindings
* cp-tree.h (struct lang_decl_base): Add decomposition_p.
(enum auto_deduction_context): Add adc_decomp_type.
(enum cp_declarator_kind): Add cdk_decomp.
* constexpr.c (cxx_eval_constant_expression): Look through
(potential_constant_expression_1): Likewise.
* decl.c (reshape_init): Preserve CONSTRUCTOR_IS_DIRECT_INIT.
(check_initializer): Use build_aggr_init for DECL_DECOMPOSITION_P.
(cp_finish_decl): Pass adc_decomp_type for decomposition.
(find_decomp_class_base, get_tuple_size, get_tuple_element_type)
(get_tuple_decomp_init, cp_finish_decomp): New.
(grokdeclarator): Handle decomposition.
* init.c (build_aggr_init): Handle decomposition array.
(build_vec_init): Handle initialization from { array }.
* name-lookup.c (add_function): Always wrap TEMPLATE_DECL in
* parser.c (declarator_can_be_parameter_pack): Handle cdk_decomp.
(function_declarator_p, strip_declarator_types)
(cp_parser_check_declarator_template_parameters): Likewise.
(cp_parser_range_for, cp_convert_range_for): Handle decomposition.
(cp_parser_simple_declaration): Parse decomposition.
(cp_parser_decomposition_declaration): New.
* pt.c (tsubst_decomp_names): New.
(subst_expr) [DECL_EXPR, RANGE_FOR_STMT]: Handle decomposition.
(do_auto_deduction): Handle adc_decomp_type.
* semantics.c (finish_decltype_type): Look through DECL_VALUE_EXPR.
* typeck.c (is_bitfield_expr_with_lowered_type): Likewise.
* tree.c (lvalue_kind): Likewise.
(cp_build_reference_type): Handle reference collapsing.
2016-11-13 Jason Merrill <>
* call.c (build_new_method_call_1): Include template arguments in
error message.
(print_error_for_call_failure): Likewise.
(build_new_function_call): Pass them in.
* name-lookup.c (supplement_binding_1): Don't complain about a
conflict with an erroneous declaration.
* error.c (dump_decl): Fix printing of alias declaration.
* decl.c (make_typename_type): Call cxx_incomplete_type_error.
* parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
* semantics.c (perform_koenig_lookup): Don't wrap an error in
2016-11-13 Prathamesh Kulkarni <>
PR c/35503
* parser.c (cp_parser_postfix_pexpression): Call warn_for_restrict.
2016-11-12 Jason Merrill <>
CWG 2233
* typeck.c (convert_arguments): Handle default arg followed by none.
* constexpr.c (potential_constant_expression_1): REALPART_EXPR and
IMAGPART_EXPR can be lvalues.
DR 374
PR c++/56480
* pt.c (check_specialization_namespace): Allow any enclosing
(check_unqualified_spec_or_inst): New.
(check_explicit_specialization): Call it.
* parser.c (cp_parser_elaborated_type_specifier)
(cp_parser_class_head): Call it.
2016-11-10 Jason Merrill <>
PR c++/77337
* pt.c (tsubst_friend_function): Don't set DECL_INITIAL.
(instantiate_decl): It's OK to defer a constexpr function.
* decl2.c (decl_defined_p): Use it. No longer static.
* decl.c (redeclaration_error_message): Use decl_defined_p.
* constexpr.c (cxx_eval_call_expression): Set input_location around
call to instantiate_decl.
2016-11-10 Jakub Jelinek <>
* mangle.c (mangle_decl): Only emit -Wc++1z-compat warnings for
public or external symbols.
2016-11-09 Jakub Jelinek <>
PR c++/78283
* mangle.c (start_mangling): Reset G.need_cxx1z_warning.
2016-11-09 Jason Merrill <>
* parser.c (cp_parser_simple_type_specifier): Allow placeholder
for template template parameter.
(cp_parser_type_id_1): Improve diagnostic.
* decl.c (grokdeclarator): Handle class deduction diagnostics here.
* pt.c (splice_late_return_type): Not here.
(tsubst) [TEMPLATE_TYPE_PARM]: Substitute into placeholder template.
(do_class_deduction): Handle non-class templates.
Implement P0127R2, Declaring non-type parameters with auto.
* cp-tree.h (enum auto_deduction_context): Add adc_unify.
* decl.c (grokdeclarator): Allow 'auto' in C++17 template non-type
parameter types.
* pt.c (do_auto_deduction): Add outer_targs parameter.
(convert_template_argument): Call do_auto_deduction. If adc_unify,
don't give up on dependent init.
(unify): Likewise. In C++17, walk into the type of a
(for_each_template_parm): Add any_fn parameter.
(struct pair_fn_data): Likewise.
(for_each_template_parm_r): Call it for any tree. In C++17, walk
into the type of a TEMPLATE_PARM_INDEX.
(zero_r, array_deduction_r, try_array_deduction): New.
(type_unification_real): Call try_array_deduction.
(get_partial_spec_bindings): Likewise.
2016-11-07 Jason Merrill <>
Implement P0012R1, Make exception specifications part of the type
* cp-tree.h (enum tsubst_flags): Add tf_fndecl_type.
(flag_noexcept_type, ce_type): New.
* call.c (build_conv): Add ck_fnptr.
(enum conversion_kind): Change ck_tsafe to ck_fnptr.
(convert_like_real): Likewise.
(standard_conversion): Likewise. Allow function pointer
conversions for pointers to member functions.
(reference_compatible_p): Allow function pointer conversions.
(direct_reference_binding): Likewise.
(reference_binding): Reference-compatible is no longer a subset of
(is_subseq): Also strip ck_lvalue after next_conversion.
* class.c (instantiate_type): Check fnptr_conv_p.
(resolve_address_of_overloaded_function): Likewise.
* cvt.c (can_convert_tx_safety): Now static.
(noexcept_conv_p, fnptr_conv_p, strip_fnptr_conv): New.
* decl.c (flag_noexcept_type): Define.
(cxx_init_decl_processing): Set it.
(bad_specifiers): Check it.
(grokdeclarator) [cdk_function]: Add exception-spec to type here.
* lambda.c (maybe_add_lambda_conv_op): Add exception-spec to
returned pointer.
* mangle.c (struct globals): Add need_cxx1z_warning.
(mangle_decl): Check it.
(write_exception_spec): New.
(write_function_type): Call it.
(canonicalize_for_substitution): Handle exception spec.
(write_type): Likewise.
(write_encoding): Set processing_template_decl across mangling of
partially-instantiated type.
* pt.c (determine_specialization): Pass tf_fndecl_type.
(tsubst_decl, fn_type_unification): Likewise.
(tsubst): Strip tf_fndecl_type, pass it to
(convert_nontype_argument_function): Handle function pointer
(convert_nontype_argument): Likewise.
(unify, for_each_template_parm_r): Walk into noexcept-specifier.
* rtti.c (ptr_initializer): Encode noexcept.
* tree.c (canonical_eh_spec): New.
(build_exception_variant): Use it.
* typeck.c (composite_pointer_type): Handle fnptr conversion.
(comp_except_specs): Compare canonical EH specs.
(structural_comptypes): Call it.
* call.c (standard_conversion): Reorganize pointer conversions.
* pt.c (convert_nontype_argument_function): Convert to ref here.
(convert_nontype_argument): Not here.
(convert_template_argument): Add original type to error message.
(RECUR_AND_CHECK_FAILURE): Remove trailing semicolon.
(unify): Compare function-qualifiers.
* typeck.c (same_type_ignoring_top_level_qualifiers_p): Use
cp_build_qualified_type rather than TYPE_MAIN_VARIANT.
* pt.c (push_tinst_level_loc): Add template instantiations to the
announce_function stream.
2016-11-04 Paolo Carlini <>
PR c++/67980
* pt.c (tsubst_expr, case IF_STMT): Use fold_non_dependent_expr
to suppress unwanted warnings.
2016-11-03 Jason Merrill <>
PR c++/78198
* call.c (convert_default_arg): Look through inheriting ctors.
2016-11-03 Jakub Jelinek <>
Alexandre Oliva <>
Jason Merrill <>
PR debug/28767
PR debug/56974
* tree.c (cp_check_qualified_type): Use check_base_type and
TYPE_QUALS comparison instead of check_qualified_type.
(cxx_type_hash_eq): Return false if type_memfn_rqual don't match.
* cp-objcp-common.c (cp_get_debug_type): New function.
(cp_decl_dwarf_attribute): Don't handle types here.
(cp_type_dwarf_attribute): New function.
* cp-objcp-common.h (cp_get_debug_type, cp_type_dwarf_attribute):
2016-11-03 Jason Merrill <>
* tree.c (cp_check_qualified_type): Call check_base_type instead
of check_qualified_type.
(cxx_type_hash_eq): Check ref-qualifiers.
* typeck.c (apply_memfn_quals): No need to mess with TYPE_CANONICAL.
2016-11-01 Jason Merrill <>
Implement P0136R1, Rewording inheriting constructors.
* call.c (enum rejection_reason_code): Add rr_inherited_ctor.
(inherited_ctor_rejection): New.
(add_function_candidate): Reject inherited ctors for copying.
(enforce_access): Use strip_inheriting_ctors.
(print_z_candidate): Likewise. Handle rr_inherited_ctor.
(convert_like_real): Avoid copying inheriting ctor parameters.
(build_over_call): Likewise. A base ctor inheriting from vbase
has no parms. Sorry about varargs.
(joust): A local constructor beats inherited with the same convs.
* class.c (add_method): Handle hiding inheriting ctors.
(one_inherited_ctor): Handle new semantics.
(add_implicitly_declared_members): Pass using_decl down.
(build_clone): A base ctor inheriting from vbase has no parms.
* cp-tree.h (DECL_INHERITED_CTOR): Store this instead of the base.
* constexpr.c: Adjust.
* error.c (dump_function_decl): Decorate inheriting ctors.
* init.c (emit_mem_initializers): Suppress access control in
inheriting ctor.
* mangle.c (write_special_name_constructor): Handle new inheriting
ctor mangling.
* method.c (strip_inheriting_ctors, inherited_ctor_binfo)
(ctor_omit_inherited_parms, binfo_inherited_from): New.
(synthesized_method_walk): Use binfo_inherited_from. Suppress
access control in inheriting ctor.
(deduce_inheriting_ctor): Deleted if ambiguous ctor inheritance.
(maybe_explain_implicit_delete): Explain ambigous ctor inheritance.
(add_one_base_init, do_build_copy_constructor): Adjust.
(locate_fn_flags, explain_implicit_non_constexpr): Adjust.
(implicitly_declare_fn): Adjust.
(get_inherited_ctor): Remove.
* name-lookup.c (do_class_using_decl): Check for indirect ctor
* optimize.c (cdtor_comdat_group): Adjust for new mangling.
(maybe_clone_body): Handle omitted parms in base clone.
(maybe_thunk_body): Don't thunk if base clone omits parms.
* pt.c (tsubst_decl): Adjust.
(instantiate_template_1): Suppress access control in inheriting
(fn_type_unification): Do deduction with inherited ctor.
* tree.c (special_function_p): Adjust.
2016-11-01 Jakub Jelinek <>
* cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_inline.
2016-11-01 Jason Merrill <>
* class.c (declared_access): Split out from handle_using_decl.
2016-10-31 Jakub Jelinek <>
PR c++/78089
* parser.c (cp_parser_postfix_expression): Replace return statement in
the first switch with setting postfix_expression to the return
expression and break;.
PR c++/77886
* pt.c (tsubst_expr) <case CASE_LABEL_EXPR> Copy over
(tsubst_expr) <case LABEL_EXPR>: Likewise.
2016-09-11 Le-Chun Wu <>
Mark Wielaard <>
* name-lookup.c (pushdecl_maybe_friend): When emitting a
shadowing warning, use the code corresponding to the
given -Wshadow= variant.
2016-10-26 Jason Merrill <>
* class.c (add_method): Allow using-declarations to coexist.
2016-10-25 Jason Merrill <>
* constexpr.c (maybe_constant_init): Pull out TARGET_EXPR_INITIAL.
(cxx_eval_outermost_constant_expr): Don't return a CONSTRUCTOR
(cxx_eval_call_expression): Clear CONSTRUCTOR_NO_IMPLICIT_ZERO.
2016-10-25 Jakub Jelinek <>
* parser.c (cp_parser_postfix_expression): Adding missing break;.
* cp-tree.h (finish_builtin_launder): Declare.
* parser.c (cp_parser_postfix_expression): Handle RID_BUILTIN_LAUNDER.
* semantics.c (finish_builtin_launder): New function.
* pt.c (tsubst_copy_and_build): Handle instantiation of IFN_LAUNDER.
* constexpr.c (cxx_eval_internal_function): Handle IFN_LAUNDER.
(potential_constant_expression_1): Likewise.
2016-10-24 Jakub Jelinek <>
* cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_reference
and DW_AT_rvalue_reference.
* cxx-pretty-print.c (pp_cxx_check_constraint): Use VAR_P (x)
instead of TREE_CODE (x) == VAR_DECL.
* (get_concept_definition): Likewise.
(finish_shorthand_constraint): Likewise.
* init.c (warn_placement_new_too_small): Likewise.
* cp-gimplify.c (cp_genericize_r): Likewise.
2016-10-21 Jason Merrill <>
PR c++/77656
* pt.c (convert_template_argument): Call convert_nontype_argument
on value-dependent but not type-dependent arguments.
(convert_nontype_argument): Handle value-dependent arguments.
(canonicalize_expr_argument): New.
(deducible_expression, unify): Skip CONVERT_EXPR.
* error.c (dump_template_argument): Likewise.
* mangle.c (write_expression): Likewise.
* ptree.c (cxx_print_xnode) [TEMPLATE_PARM_INDEX]: Dump the decl.
2016-10-21 Jakub Jelinek <>
* cp-objcp-common.c (cp_decl_dwarf_attribute): Handle
2016-10-17 Jakub Jelinek <>
* cp-objcp-common.h (cp_function_decl_explicit_p,
cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
(cp_decl_dwarf_attribute): Declare.
* cp-objcp-common.c (cp_function_decl_explicit_p,
cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
(cp_decl_dwarf_attribute): New function.
2016-10-15 Jason Merrill <>
PR c++/77945
* constexpr.c (maybe_simplify_trivial_copy): New.
(cxx_eval_store_expression): Call it.
* call.c (build_over_call): Use unsigned char for trivial copy.
2016-10-14 Jason Merrill <>
Implement P0017R1, C++17 aggregates with bases.
* class.c (build_base_field_1): Split out from...
(build_base_field): In C++17 mode, build a field for
empty bases.
* decl.c (xref_basetypes): In C++17 aggregates can have bases.
(next_initializable_field): Allow base fields in C++17.
* typeck2.c (process_init_constructor_record): Likewise.
2016-10-14 Jakub Jelinek <>
DR 1511 - const volatile variables and ODR
* decl.c (grokvardecl): Change flags argument to type_quals,
add conceptp argument. Set TREE_PUBLIC for non-static volatile vars.
(grokdeclarator): Adjust grokvardecl caller.
2016-10-13 Martin Sebor <>
PR c++/71912
* class.c (struct flexmems_t): Add members.
(find_flexarrays): Add arguments. Correct handling of anonymous
(diagnose_flexarrays): Adjust to issue warnings in addition to errors.
(check_flexarrays): Add argument.
(diagnose_invalid_flexarray): New functions.
2016-10-13 Jakub Jelinek <>
Jason Merrill <>
Implement P0386R2 - C++17 inline variables
* cp-tree.h (struct lang_type): Shrink language field to 1 bit
from 4. Add var_declared_inline_p field. Mention 2 spare bits.
(diagnose_inline_vars_for_namespace): Declare.
* decl.c (diagnose_inline_vars_for_namespace): New function.
(duplicate_decls): For static data members copy
(redeclaration_error_message): Handle C++17 redundant redeclaration
of constexpr static data member outside of class.
(maybe_commonize_var): Handle inline variables.
(check_initializer): Ignore inline variables for diagnostics.
Adjust diagnostic wording for C++17.
(make_rtl_for_nonlocal_decl): Allow in-class definition of
inline static data members.
(bad_specifiers): Don't diagnose inline on variables here.
(grokvardecl): Add inlinep argument, non-static const inline variables
(check_static_variable_definition): Return early also for inline
(mark_inline_variable): New.
(grokdeclarator): Handle inline variables and inline static data
* typeck2.c (store_init_value): Don't diagnose non-constant
initializers for non-constexpr inline static data members.
* decl2.c (vague_linkage_p): Return true for inline variables.
(c_parse_final_cleanups): In-class declaration of inline static
data members is a definition. Call diagnose_inline_vars_for_namespace
through walk_namespaces.
* pt.c (instantiate_decl): Set pattern_defined for in-class definitions
of inline static data members.
2016-10-13 Jason Merrill <>
* decl.c (mark_inline_variable): New.
>>>>>>> .r241142
2016-10-13 Thomas Preud'homme <>
* decl2.c: Include memmodel.h.
* rtti.c: Likewise.
2016-10-11 Jason Merrill <>
PR c++/77742
* init.c (build_new_1): Don't -Waligned-new about placement new.
(malloc_alignment): New. Consider MALLOC_ABI_ALIGNMENT.
* decl.c (cxx_init_decl_processing): New.
2016-10-10 Jason Merrill <>
PR c++/77890
PR c++/77912
* pt.c (do_class_deduction): Set cp_unevaluated_operand.
2016-10-08 Jason Merrill <>
* cp-gimplify.c (cp_fold): Add variable name.
* cp-gimplify.c (cp_fold): Distribute cp_truthvalue_conversion
2016-10-07 Jason Merrill <>
Further P0135 refinement.
* call.c (build_user_type_conversion_1): Consider conversions from
a single element in an initializer-list.
(build_temp): Undo early_elide_copy change.
(build_over_call): Check that we don't try to copy a TARGET_EXPR
in C++17 mode. Set user_conv_p here.
(convert_like_real): Not here.
(check_self_delegation): Split out from...
(build_special_member_call): Handle C++17 copy elision.
* cvt.c (early_elide_copy): Remove.
(ocp_convert): Undo early_elide_copy change.
* except.c (build_throw): Likewise.
* init.c (expand_default_init): Likewise.
* typeck.c (cp_build_modify_expr): Likewise.
2016-10-07 Nathan Sidwell <>
PR c++/64433
DR1658, DR1611
* init.c (emit_mem_initializers): Don't construct vbases of
abstract classes.
(push_base_cleanups): Don't push vbase cleanups for abstract class
when in C++14 mode.
* method.c (synthethesized_method_walk): Don't walk vbases of
abstract classes when in C++14 mode.
2016-10-07 Jakub Jelinek <>
Implement LWG2296 helper intrinsic
* parser.c (cp_parser_postfix_expression): Handle RID_ADDRESSOF.
* cp-objcp-common.c (cp_common_init_ts): Handle ADDRESSOF_EXPR.
* constexpr.c (potential_constant_expression_1): Likewise.
* error.c (dump_expr): Likewise.
* typeck.c (cp_build_addressof): New function.
* cp-tree.h (cp_build_addressof): Declare.
* cxx-pretty-print.h (pp_cxx_addressof_expression): Declare.
* cp-tree.def (ADDRESSOF_EXPR): New tree code.
* cxx-pretty-print.c (cxx_pretty_printer::primary_expression): Handle
ADDRESSOF_EXPR. Add __builtin_addressof and
__has_unique_object_representations into syntax in function comment.
(pp_cxx_addressof_expression): New function.
* pt.c (tsubst_copy_and_build): Handle ADDRESSOF_EXPR.
2016-10-07 Bernd Edlinger <>
PR c++/77700
* parser.c (cp_parser_base_specifier): Fix a warning.
2016-10-07 Bernd Schmidt <>
PR c++/69733
* decl.c (grokdeclarator): Try to find the correct location for an
ignored qualifier.
2016-10-07 Martin Liska <>
* lambda.c (maybe_add_lambda_conv_op): Set default value.
2016-10-06 Jason Merrill <>
* call.c (build_temp, convert_like_real): Don't re-copy
TARGET_EXPR. Handle packed fields.
(build_x_va_arg): Wrap it in a TARGET_EXPR.
(build_over_call): Add sanity check.
* cvt.c (early_elide_copy): New.
(ocp_convert): Use it.
* except.c (build_throw): Use it.
* init.c (get_nsdmi): Put back the TARGET_EXPR.
(expand_default_init): Call early_elide_copy.
* typeck.c (cp_build_modify_expr): Call early_elide_copy.
2016-10-06 Jakub Jelinek <>
Implement P0258R2 - helper for C++17
std::has_unique_object_representations trait
* cp-tree.h (enum cp_trait_kind): Add
(struct lang_type_class): Add unique_obj_representations
and unique_obj_representations_set bitfields.
(type_has_unique_obj_representations): Declare.
* parser.c (cp_parser_primary_expression): Handle
(cp_parser_trait_expr): Likewise. Formatting fix.
* semantics.c (trait_expr_value, finish_trait_expr): Handle
* tree.c (type_has_unique_obj_representations): New function.
(record_has_unique_obj_representations): New function.
* cxx-pretty-print.c (pp_cxx_trait_expression): Handle
2016-10-05 Jason Merrill <>
Implement P0135R1, Guaranteed copy elision.
* cvt.c (ocp_convert): Don't re-copy a TARGET_EXPR in C++17.
PR c++/54293
* call.c (reference_binding): Fix binding to member of temporary.
* call.c (extend_ref_init_temps): Fix TARGET_EXPR handling.
* parser.c (cp_parser_skip_to_end_of_statement): Add missing break.
* semantics.c (finish_compound_literal): Handle class placeholder.
2016-10-05 Marek Polacek <>
Implement P0305R1, Selection statements with initializer.
* cp-array-notation.c (create_an_loop): Call finish_init_stmt
instead of finish_for_init_stmt.
* cp-tree.h (finish_for_init_stmt): Rename to finish_init_stmt.
* decl.c (poplevel): Adjust a comment.
* init.c (build_vec_init): Call finish_init_stmt instead of
* name-lookup.c (pushdecl_maybe_friend_1): Adjust a comment.
* name-lookup.h (enum scope_kind): Likewise.
* parser.c (cp_parser_statement): Update commentary.
(cp_parser_init_statement_p): New function.
(cp_parser_selection_statement): Parse the optional init-statement.
(cp_parser_for): Call finish_init_stmt instead of finish_for_init_stmt.
(cp_parser_c_for): Likewise.
(cp_convert_range_for): Call finish_init_stmt instead of finish_for_init_stmt.
(cp_parser_range_for_member_function): Update commentary.
(cp_parser_for_init_statement): Rename to cp_parser_init_statement.
* pt.c (tsubst_omp_for_iterator): Update commentary.
(tsubst_expr): Call finish_init_stmt instead of finish_for_init_stmt.
* semantics.c (finish_for_init_stmt): Rename to finish_init_stmt.
Update commentary.
2016-10-04 Jason Merrill <>
PR c++/77852
* pt.c (do_class_deduction): Handle list-initialization.
(do_auto_deduction): Call it sooner.
(build_deduction_guide): Use tsubst_arg_types.
(rewrite_template_parm): Don't copy_type.
PR c++/77775
* constexpr.c (cxx_eval_component_reference): Use name matching
for PMFs.
Implement P0091R2, Template argument deduction for class templates.
* parser.c (cp_parser_simple_type_specifier): Parse class placeholder.
Use the location of the beginning of the type-specifier.
(cp_parser_init_declarator): Parse deduction guide.
(cp_parser_diagnose_invalid_type_name): Mention class deduction.
(cp_parser_type_id_1): Don't accept class placeholder as template arg.
* decl.c (grokdeclarator): Check for uninitialized auto here.
(start_decl_1): Not here.
(cp_finish_decl): Or here. Don't collapse a list when doing
class deduction.
(grokfndecl): Check deduction guide scope and body.
* error.c (dump_decl, dump_function_decl, dump_function_name):
Handle deduction guides.
* pt.c (make_template_placeholder, do_class_deduction): New.
(build_deduction_guide, rewrite_template_parm): New.
(dguide_name, dguide_name_p, deduction_guide_p): New.
(do_auto_deduction): Call do_class_deduction.
(splice_late_return_type, is_auto): Handle class placeholders.
(template_parms_level_to_args): Split from template_parms_to_args.
(tsubst_template_parms_level): Split from tsubst_template_parms.
* typeck2.c (build_functional_cast): Handle class placeholder.
2016-10-04 Martin Sebor <>
PR c++/77804
* init.c (warn_placement_new_too_small): Avoid assuming an array type
has a constant size.
2016-10-04 Jakub Jelinek <>
PR c++/77791
* parser.c (cp_parser_lambda_declarator_opt): Only pedwarn
for C++11 on decls in the param_list. Test cxx_dialect < cxx14 before
the loop just once.
* cp-tree.h (enum cp_tree_index): Remove CPTI_JAVA_*,
(java_byte_type_node, java_short_type_node, java_int_type_node,
java_long_type_node, java_float_type_node, java_double_type_node,
java_char_type_node, java_boolean_type_node, lang_name_java,
jclass_node): Remove.
(enum languages): Remove lang_java.
(TYPE_FOR_JAVA): Remove.
(struct lang_type_class): Remove java_interface bit-field.
(pragma_java_exceptions): Remove.
(check_java_method, build_java_class_ref): Remove prototypes.
* name-lookup.c (pushtag_1): Don't set TYPE_FOR_JAVA.
* decl2.c (acceptable_java_type, check_java_method): Remove.
(import_export_decl): Remove TYPE_FOR_JAVA handling.
(build_java_method_aliases): Remove.
(c_parse_final_cleanups): Don't call build_java_method_aliases.
(possibly_inlined_p): Don't test pragma_java_exceptions.
* init.c (build_new_1): Remove TYPE_FOR_JAVA handling.
(build_java_class_ref): Remove.
* pt.c (maybe_new_partial_specialization, lookup_template_class_1,
instantiate_class_template_1): Don't copy TYPE_FOR_JAVA.
* except.c (eh_type_info): Remove java type handling.
(decl_is_java_type, choose_personality_routine): Remove.
(initialize_handler_parm): Don't call choose_personality_routine.
(expand_start_catch_block): Don't handle java types.
(build_throw): Likewise.
* cp-lang.c (cp_eh_personality): Don't handle pragma_java_exceptions.
* typeck.c (structural_comptypes): Don't compare TYPE_FOR_JAVA.
* call.c (build_over_call): Don't handle TYPE_JAVA_INTERFACE.
(java_iface_lookup_fn): Remove.
(build_java_interface_fn_ref): Remove.
* tree.c (cxx_attribute_table): Remove java_interface.
(handle_java_interface_attribute): Remove.
* lex.c (pragma_java_exceptions): Remove.
(init_cp_pragma): Don't register GCC java_exceptions pragma.
(handle_pragma_java_exceptions): Remove.
(retrofit_lang_decl): Don't handle lang_name_java.
* method.c (implicitly_declare_fn): Don't handle TYPE_FOR_JAVA.
* error.c (language_to_string): Don't handle lang_java.
* decl.c (record_builtin_java_type): Remove.
(initialize_predefined_identifiers): Remove Java.
(cxx_init_decl_processing): Remove java_*_type_node.
(cp_finish_decl): Don't handle TYPE_FOR_JAVA.
(grokfndecl): Likewise.
(check_special_function_return_type): Likewise.
(grokdeclarator): Don't set TYPE_FOR_JAVA.
(grokparms): Don't handle TYPE_FOR_JAVA.
(xref_basetypes): Likewise.
(check_function_type): Likewise.
(finish_constructor_body): Likewise.
* mangle.c (write_builtin_type): Don't handle TYPE_FOR_JAVA
and java_*_type_node.
(write_bare_function_type): Don't handle TYPE_FOR_JAVA.
(write_java_integer_type_codes): Remove.
* class.c (add_method): Don't handle TYPE_FOR_JAVA.
(add_implicitly_declared_members, determine_key_method,
finish_struct_1): Likewise.
(push_lang_context): Don't handle lang_name_java.
2016-10-03 Marek Polacek <>
Core 903
* typeck.c (cp_build_binary_op): Pass original operands to
null_ptr_cst_p, not those after the default conversions.
2016-10-03 Bernd Edlinger <>
* parser.c (cp_parser_condition): Fix a warning.
2016-09-29 Jakub Jelinek <>
Implement P0001R1 - C++17 removal of register storage class specifier
* decl.c (cp_finish_decl): Diagnose register storage class
on vars except when used in GNU global or local register variable
(grokdeclarator): Diagnose register storage class on parameters.
* except.c (expand_start_catch_block): Set DECL_REGISTER only
after cp_finish_decl call.
2016-09-29 Marek Polacek <>
* rtti.c (involves_incomplete_p): Add fall through comment.
2016-09-28 Jakub Jelinek <>
PR c++/77467
* constexpr.c (enum constexpr_switch_state): New.
(struct constexpr_ctx): Add css_state field.
(label_matches): Add CTX and STMT arguments, remove I and
DEFAULT_LABEL. For CASE_LABEL_EXPR assert ctx->css_state != NULL,
handle default labels according to css_state.
(cxx_eval_statement_list): Remove statement skipping, label_matches
and default_label handling code.
(cxx_eval_loop_expr): Exit after first iteration even if
switches (jump_target).
(cxx_eval_switch_expr): Set up css_state field in ctx, if default
label has been seen in the body, but no cases matched, evaluate
the body second time.
(cxx_eval_constant_expression): Handle stmt skipping and label_matches
here. Handle PREDICT_EXPR. For MODIFY_EXPR or INIT_EXPR, assert
statement is not skipped. For COND_EXPR during skipping, don't
evaluate condition, just the then block and if still skipping at the
end also the else block.
(cxx_eval_outermost_constant_expr): Adjust constexpr_ctx initializer.
(is_sub_constant_expr): Likewise.
2016-09-27 Jakub Jelinek <>
Implement P0018R3, C++17 lambda capture of *this by value as [=,*this]
* parser.c (cp_parser_lambda_introducer): Formatting fix. Pass
true instead of false as by_reference_p to add_capture for 'this'.
Parse '*this' simple-capture.
* lambda.c (build_capture_proxy): Handle '*this' capture by value.
(add_capture): Adjust function comment. For id == this_identifier,
treat by_reference_p as capturing '*this' by reference, i.e. 'this'
by value, and !by_reference_p as capturing '*this' by value.
(add_default_capture): For implicit 'this' capture, always pass
by_reference_p true rather than false.
PR c++/77722
* cp-gimplify.c (cp_ubsan_maybe_instrument_return): Instrument also
functions that have just a STATEMENT_LIST instead of BIND_EXPR, or
BIND_EXPR with some statement rather than STATEMENT_LIST as body.
2016-09-26 Nathan Sidwell <>
* init.c (expand_default_init): Fix } indentation.
* method.c (process_subob_fn): Simplify control structure to
remove gotos.
(implicitly_declare_fn): Remove duplicated lambda ctor check.
2016-09-26 Marek Polacek <>
PR c/7652
* parser.c (cp_parser_storage_class_specifier_opt): Add
(cp_parser_skip_to_end_of_template_parameter_list): Likewise.
(cp_parser_cache_defarg): Likewise.
(cp_parser_omp_for_cond): Likewise.
* semantics.c (finish_decltype_type): Likewise.
* typeck.c (structural_comptypes): Likewise.
(cp_build_binary_op): Likewise.
(cp_build_modify_expr): Likewise.
2016-09-26 Marek Polacek <>
PR c/7652
* constexpr.c (cxx_eval_internal_function): Handle IFN_FALLTHROUGH.
(potential_constant_expression_1): Likewise.
* (function_concept_check_p): Check fn for null.
* parser.c (cp_parser_expression_statement): Handle attribute
(cp_parser_statement): Likewise.
(cp_parser_label_for_labeled_statement): Set FALLTHROUGH_LABEL_P on
(cp_parser_std_attribute): Handle fallthrough attribute.
(cp_parser_check_std_attribute): Add %< %> quotes.
* pt.c (tsubst_copy_and_build): Handle internal functions.
(instantiation_dependent_scope_ref_p): Return if the expression is
2016-09-24 Marek Polacek <>
PR c/77490
* typeck.c (cp_build_unary_op): Warn about bit not on expressions that
have boolean value.
2016-09-23 Jakub Jelinek <>
Implement P0138R2, C++17 construction rules for enum class values
* cp-tree.h (is_direct_enum_init): Declare.
* decl.c (is_direct_enum_init): New function.
(reshape_init): Use it.
* typeck.c (convert_for_assignment): Likewise.
* (check-c++1z): Pass RUNTESTFLAGS down to
make check-g++.
* constexpr.c (call_stack): Remove unnecessary
= vNULL initialization of file scope vec.
* name-lookup.c (store_bindings, store_class_bindings): Don't
initialize static local bindings_need_stored to vNULL.
* typeck2.c (process_init_constructor_record): Use
CONSTRUCTOR_NELTS (...) instead of
vec_safe_length (CONSTRUCTOR_ELTS (...)).
* decl.c (reshape_init_r): Likewise.
(check_initializer): Likewise.
2016-09-22 Paolo Carlini <>
PR c++/71979
* class.c (build_base_path): Allow for lookup_base returning
2016-09-21 Jason Merrill <>
Core 903
* call.c (null_ptr_cst_p): Check char_type_p.
2016-09-21 Jakub Jelinek <>
PR c++/77651
* init.c (build_new_1): Don't suggest to use -faligned-new if
aligned_new_threshold is non-zero.
(type_has_new_extended_alignment): Change aligned_new_threshhold
to aligned_new_threshold.
* call.c (second_parm_is_size_t, aligned_allocation_fn_p,
aligned_deallocation_fn_p, build_op_delete_call): Likewise.
* decl.c (cxx_init_decl_processing): Likewise.
2016-09-20 Jakub Jelinek <>
PR c++/77626
* constexpr.c (cxx_fold_indirect_ref): Don't call byte_position on
FIELD_DECLs with error_mark_node type. Remove useless break; after
PR c++/77638
* parser.c (cp_parser_template_declaration_after_parameter): For 2
argument operator"" template set ok to false for
parm == error_mark_node.
PR c++/77637
* parser.c (cp_parser_std_attribute_list): Reject ... without
preceding attribute.
2016-09-19 Bernd Edlinger <>
PR c++/77434
* cvt.c (cp_convert_and_check): Suppress Wint-in-bool-context here.
2016-09-16 Patrick Palka <>
PR c++/77639
* parser.c (cp_parser_class_head): When
processing_template_parmlist, don't assume that the
class-head may start an explicit specialization.
2016-09-16 Jakub Jelinek <>
PR c++/77482
* error.c (dump_simple_decl): Only check DECL_DECLARED_CONCEPT_P
if DECL_LANG_SPECIFIC is non-NULL. Fix up formatting.
PR c++/77338
* constexpr.c (cxx_eval_constant_expression) <case PARM_DECL>: Only
call is_really_empty_class on complete types.
PR c++/77375
* class.c (check_bases): Set CLASSTYPE_HAS_MUTABLE if any
TYPE_HAS_MUTABLE_P for any bases.
2016-09-16 Jason Merrill <>
* class.c (check_bases, set_one_vmethod_tm_attributes): Use
* decl.c (cxx_init_decl_processing): Use pow2p_hwi.
* parser.c (cp_parser_cilk_simd_vectorlength): Use pow2p_hwi.
2016-09-14 Jakub Jelinek <>
PR c++/77549
* name-lookup.c (consider_binding_level): Look through TREE_LIST
2016-09-14 Marek Polacek <>
* typeck.c (cp_build_unary_op): Diagnose incrementing boolean
expressions. Tweak an error message.
2016-09-14 Marek Polacek <>
* cp-tree.h (cp_build_unary_op): Change nonconvert parameter type to
* decl2.c (one_static_initialization_or_destruction): Use true instead
of 1.
* init.c (build_vec_init): Use false instead of 0.
* pt.c (tsubst_copy_and_build): Likewise.
* semantics.c (simplify_loop_decl_cond): Likewise.
* typeck.c (rationalize_conditional_expr): Likewise.
(cp_build_binary_op): Use true instead of 1.
(cp_build_unary_op): Change nonconvert parameter type to bool. Use true
instead of 1.
(build_unary_op): Change nonconvert parameter type to bool.
(unary_complex_lvalue): Use false instead of 0.
2016-09-13 Jakub Jelinek <>
Implement P0028R4, C++17 using attribute namespaces without repetition
* parser.c (cp_parser_std_attribute): Add ATTR_NS argument. Diagnose
non-NULL ATTR_NS with scoped attribute token. Handle non-NULL
ATTR_NS with non-scoped attribute tokens. Allow named ops in
identifier after ::.
(cp_parser_std_attribute_list): Add ATTR_NS argument, pass it down
to cp_parser_std_attribute calls.
(cp_parser_std_attribute_spec): Parse optional C++17
attribute-using-prefix, adjust grammar in function comment.
PR c++/77553
* constexpr.c (cxx_fold_pointer_plus_expression): New function.
(cxx_eval_binary_expression): Use it for POINTER_PLUS_EXPR.
(cxx_eval_pointer_plus_expression): Remove.
(cxx_eval_constant_expression) <case POINTER_PLUS_EXPR>: Don't
call cxx_eval_pointer_plus_expression.
2016-09-13 David Malcolm <>
* parser.c (cp_parser_class_specifier_1): Update for renaming of
add_fixit_insert to add_fixit_insert_before.
(cp_parser_class_head): Likewise.
2016-09-12 Bernd Edlinger <>
PR c++/77496
* call.c (build_conditional_expr_1): Call warn_for_omitted_condop.
* class.c (instantiate_type): Look through the SAVE_EXPR.
2016-09-09 Jason Merrill <>
Implement P0035R4, C++17 new of over-aligned types.
* cp-tree.h (enum cp_tree_index): Add CPTI_ALIGN_TYPE.
(align_type_node): New macro.
* call.c (build_operator_new_call): Handle C++17 aligned new.
(second_parm_is_size_t, build_op_delete_call): Likewise.
(non_placement_deallocation_fn_p): Likewise. Rename to
(aligned_allocation_fn_p, aligned_deallocation_fn_p): New.
* decl.c (cxx_init_decl_processing): Add aligned new support.
* init.c (type_has_new_extended_alignment): New.
(build_new_1): Handle aligned new.
* tree.c (vec_copy_and_insert): New.
2016-09-02 Jakub Jelinek <>
PR sanitizer/77396
* decl2.c (do_static_initialization_or_destruction): Only
call asan_dynamic_init_call if INITP is true.
2016-09-01 Martin Sebor <>
* mangle.c: Increase buffer size to guarantee it fits the output
of the formatted function regardless of its arguments.
2016-09-01 Marek Polacek <>
PR c/7652
* error.c (dump_type): Fix falls through comment.
(dump_decl): Likewise.
(dump_expr): Likewise.
2016-08-30 David Malcolm <>
* parser.c (cp_parser_enclosed_template_argument_list): Add fix-it
hint to ">>" within nested template argument list error.
2016-08-30 David Malcolm <>
* name-lookup.c (suggest_alternatives_for): Use add_fixit_replace
rather than add_fixit_misspelled_id.
* parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
2016-08-29 Jason Merrill <>
PR c++/77379
* mangle.c (maybe_check_abi_tags): Add version parm, handle thunks.
(mangle_thunk): Add thunk parameter.
* method.c (finish_thunk): Pass it.
* cp-tree.h: Declare it.
2016-08-15 Jason Merrill <>
Avoid calling a trivial default constructor.
* class.c (default_ctor_p): New.
(in_class_defaulted_default_constructor): Use it.
(type_has_non_user_provided_default_constructor): Use it.
* call.c (build_over_call): Handle trivial default constructor.
* cp-tree.h: Declare default_ctor_p.
PR c++/57728
* pt.c (do_type_instantiation): Don't mess with non-user-provided
member functions.
2016-08-25 Marek Polacek <>
* parser.c (cp_parser_binary_expression): Pass LHS to
2016-08-18 Marek Polacek <>
PR c/7652
* call.c (add_builtin_candidate): Add gcc_fallthrough.
* cxx-pretty-print.c (pp_cxx_unqualified_id): Likewise.
* parser.c (cp_parser_skip_to_end_of_statement): Likewise.
(cp_parser_cache_defarg): Likewise.
2016-08-12 Marek Polacek <>
PR c/7652
* call.c (add_builtin_candidate): Add FALLTHRU.
(build_integral_nontype_arg_conv): Adjust fall through comment.
(build_new_op_1): Add FALLTHRU.
(convert_like_real): Adjust fall through comment.
* class.c (fixed_type_or_null): Likewise.
* constexpr.c (cxx_eval_constant_expression): Likewise.
(potential_constant_expression_1): Likewise. Add FALLTHRU.
* cp-gimplify.c (cp_gimplify_expr): Adjust fall through comment.
(cp_fold): Add FALLTHRU.
* cvt.c (build_expr_type_conversion): Adjust fall through comment.
* cxx-pretty-print.c (pp_cxx_unqualified_id): Add FALLTHRU.
(pp_cxx_qualified_id): Likewise.
(cxx_pretty_printer::constant): Adjust fall through comment.
(cxx_pretty_printer::primary_expression): Add FALLTHRU.
(pp_cxx_pm_expression): Adjust fall through comment.
(cxx_pretty_printer::expression): Add FALLTHRU.
(cxx_pretty_printer::declaration_specifiers): Reformat code.
(pp_cxx_type_specifier_seq): Adjust fall through comment.
(pp_cxx_ptr_operator): Likewise. Add FALLTHRU.
* error.c (dump_type): Adjust fall through comment.
(dump_decl): Likewise.
* mangle.c (write_type): Likewise.
* method.c (synthesized_method_walk): Add FALLTHRU.
* name-lookup.c (arg_assoc_type): Likewise.
* parser.c (cp_lexer_print_token): Adjust fall through comment.
(cp_parser_primary_expression): Add FALLTHRU.
(cp_parser_operator): Likewise.
* pt.c (find_parameter_packs_r): Likewise.
(tsubst_aggr_type): Adjust fall through comment.
* semantics.c (finish_omp_clauses): Add FALLTHRU.
* tree.c (lvalue_kind): Likewise.
2016-08-12 Alexandre Oliva <>
PR debug/63240
* cp-objcp-common.c (cp_function_decl_defaulted): New.
(cp_function_decl_explicit_p): Const_tree-ify.
(cp_function_decl_deleted_p): Likewise.
* cp-objcp-common.h (cp_function_decl_defaulted): Declare.
(cp_function_decl_explicit_p): Const_tree-ify.
(cp_function_decl_deleted_p): Likewise.
2016-08-11 Jakub Jelinek <>
PR c++/72868
* constexpr.c (label_matches): Handle case range expressions.
2016-08-11 Jason Merrill <>
PR c++/73456
* (non_atomic_constraint_p): Handle EXPR_PACK_EXPANSION.
2016-08-10 Jason Merrill <>
Implement C++17 constexpr if.
* cp-tree.h (IF_STMT_CONSTEXPR_P): New.
* name-lookup.c (push_to_top_level, pop_from_top_level_1): Handle it.
* parser.h (struct cp_parser): Add in_discarded_stmt field.
* parser.c (cp_parser_selection_statement): Handle 'if constexpr'.
(cp_parser_jump_statement): Avoid deducing from a discarded return.
* pt.c (tsubst_expr): Only instantiate taken branch of constexpr if.
* semantics.c (begin_if_stmt): Set the binding level this_entity.
(finish_if_stmt_cond): Require the condition of a
constexpr if to be constant.
* decl.c (level_for_constexpr_if): New.
(named_label_entry): Add in_constexpr_if field.
(poplevel_named_label_1): Set it.
(check_goto): Check it.
(check_previous_goto_1): Check level_for_constexpr_if.
2016-08-09 Jason Merrill <>
PR c++/68703
* decl2.c (any_dependent_type_attributes_p): New.
* pt.c (dependent_type_p_r, type_dependent_expression_p): Check it.
* semantics.c (finish_id_expression): Check it.
* typeck.c (finish_class_member_access_expr): Check it.
PR c++/71712
* class.c (check_abi_tags): Don't duplicate tags for conversion ops.
Adjust mangling of ABI tags on class template member functions.
* class.c (missing_abi_tags): New.
(check_abi_tags): Don't check template. Add just_checking mode.
* mangle.c (abi_flag_at_least, any_abi_below, equal_abi_tags): New.
(sorted_abi_tags): Split out from write_abi_tags.
(struct releasing_vec): New.
(write_unqualified_name): Only look for the primary
template for types. Implement backward compatibility.
PR c++/72849
* constexpr.c (cxx_eval_constant_expression): Check
COMPLETE_TYPE_P before calling is_really_empty_class.
* class.c (is_really_empty_class): Don't call complete_type.
PR c++/56701
* typeck.c (cp_build_addr_expr_1): Remove special *this handling.
2016-08-09 Jakub Jelinek <>
PR c++/72809
* rtti.c (get_pseudo_ti_index): Return TK_CLASS_TYPE for
builtin aggregate types without TYPE_BINFO.
2016-08-08 Jason Merrill <>
Implement C++17 constexpr lambda.
* class.c (finalize_literal_type_property): Handle lambdas.
* constexpr.c (is_valid_constexpr_fn): Likewise. No longer static.
(explain_invalid_constexpr_fn, cxx_eval_call_expression): Handle
(cxx_eval_constant_expression): Handle capture proxy.
(var_in_constexpr_fn): Don't check for C++14.
(var_in_maybe_constexpr_fn): New.
(potential_constant_expression_1): Use it. Check DECL_EXPR for
declarations not allowed in constexpr function. Handle
* decl.c (make_rtl_for_nonlocal_decl): Use var_in_maybe_constexpr_fn.
(finish_function): Set DECL_DECLARED_CONSTEXPR_P on lambda members.
* lambda.c (begin_lambda_type): Set CLASSTYPE_LITERAL_P.
(maybe_add_lambda_conv_op): Clear thunk CALL_EXPR location.
(lambda_static_thunk_p): New.
* parser.c (cp_keyword_starts_decl_specifier_p): Add RID_CONSTEXPR.
(cp_parser_decl_specifier_seq): Handle it.
(cp_parser_lambda_declarator_opt): Use cp_parser_decl_specifier_seq.
* pt.c (instantiate_class_template_1): Set CLASSTYPE_LITERAL_P.
(tsubst_copy_and_build) [CALL_EXPR]: Propagate CALL_FROM_THUNK_P.
* error.c (dump_function_decl): Check TFF_NO_TEMPLATE_BINDINGS.
(dump_expr) [FUNCTION_DECL]: Pass it.
2016-08-08 Jason Merrill <>
PR c++/67131
* class.c (is_really_empty_class): Call complete_type.
* constexpr.c (cxx_eval_constant_expression): Check
(potential_constant_expression_1): Likewise. Check for error type.
2016-08-08 Jakub Jelinek <>
PR c++/58706
* parser.c: Include tree-iterator.h.
(cp_parser_omp_for_loop_init): Move lambda DECL_EXPRs from init
(cp_parser_omp_for_loop): Handle non-STATEMENT_LIST FOR_BLOCK
2016-08-06 Jonathan Wakely <>
* call.c (convert_like_real): Harmonize diagnostics for invalid
reference binding.
2016-08-05 Martin Sebor <>
* constexpr.c (cxx_eval_store_expression): Remove hyphen from
the spelling of "constant-expression" in diagnostic messages
for consistency.
(cxx_eval_constant_expression): Same.
(cxx_eval_outermost_constant_expr): Same.
(potential_constant_expression_1): Same.
2016-08-05 Nathan Sidwell <>
PR c++/68724
* pt.c (unify): TRAIT_EXPR is an expr.
2016-08-04 Paolo Carlini <>
PR c++/72800
* lambda.c (add_capture): Check lambda_capture_field_type return
value for error_mark_node.
2016-08-04 Patrick Palka <>
PR c++/72759
* pt.c (tsubst_qualified_id): Return error_mark_node if
template_args is error_mark_node.
2016-08-04 Jason Merrill <>
PR c++/72415
* pt.c (tsubst_pack_expansion): Pull a single pack expansion out
of the TREE_VEC.
* cp-tree.h (TYPE_UNNAMED_P): Rename from TYPE_ANONYMOUS_P.
* class.c, decl.c, decl2.c, error.c, lambda.c, mangle.c,
name-lookup.c, parser.c, pt.c, semantics.c, tree.c: Adjust.
PR c++/72796
* typeck.c (finish_class_member_access_expr): Avoid stripping
SCOPE_REF to dependent base.
2016-08-04 Thomas Schwinge <>
* parser.c (cp_ensure_no_oacc_routine): Improve diagnostics.
(cp_parser_late_parsing_cilk_simd_fn_info): Fix diagnostics.
(cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
Simplify code, and improve diagnostics.
(cp_parser_oacc_routine): Likewise. Move pragma context
(cp_parser_pragma): ... here.
* parser.h (struct cp_omp_declare_simd_data): New.
(struct cp_parser): Use it for oacc_routine member.
* parser.c (cp_ensure_no_oacc_routine, cp_parser_oacc_routine)
(cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
Use it. Simplify code.
(cp_parser_new): Initialize all members pointing to special
parsing data structures.
(cp_parser_cilk_simd_fn_vector_attrs): Initialize
(cp_parser_omp_declare_simd): Initialize
(cp_parser_late_parsing_omp_declare_simd): Simplify code.
2016-08-04 Marek Polacek <>
PR c++/70229
* constexpr.c (check_constexpr_ctor_body_1): Allow typedef
2016-08-01 Jason Merrill <>
* mangle.c (mangle_decl): Warn about mangled name change even if
* mangle.c (get_abi_tags): New.
(find_substitution, write_unqualified_name, write_abi_tags)
(maybe_check_abi_tags): Use it.
* mangle.c (mangle_decl): Fix mangled name change warning.
PR c++/72766
* constexpr.c (cxx_eval_pointer_plus_expression): Check constancy
of nelts.
* cp-gimplify.c (cp_fully_fold): Only maybe_constant_value in
C++11 and up.
2016-07-30 Martin Sebor <>
PR c++/60760
PR c++/71091
* constexpr.c (cxx_eval_binary_expression): Reject invalid expressions
involving null pointers.
(cxx_eval_component_reference): Reject null pointer dereferences.
(cxx_eval_indirect_ref): Reject indirecting through null pointers.
(cxx_eval_constant_expression): Reject invalid expressions involving
null pointers.
2016-07-29 Marek Polacek <>
PR c/71926
* semantics.c (maybe_convert_cond): Use the location of COND for the
parentheses warning.
2016-07-29 Jason Merrill <>
* decl.c (build_enumerator): Tweak diagnostic.
PR c++/72457
* init.c (expand_aggr_init_1): Only handle value-init of bases.
* constexpr.c (build_data_member_initialization): Handle multiple
initializers for the same field.
2016-07-28 Paolo Carlini <>
PR c++/71665
* decl.c (build_enumerator): Check the type of the enumerator before
calling cxx_constant_value.
2016-07-27 Jason Merrill <>
PR c++/71747
* pt.c (get_partial_spec_bindings): Replace tparms and spec_args
parameters with spec_tmpl. Call push_tinst_level.
(most_specialized_partial_spec): Adjust.
(more_specialized_partial_spec): Adjust.
2016-07-25 Jason Merrill <>
PR c++/65970
* cp-gimplify.c (genericize_cp_loop): Revert location change.
PR c++/71837
* lambda.c (add_capture): Leave a pack expansion in a TREE_LIST.
(build_lambda_object): Call build_x_compound_expr_from_list.
* pt.c (tsubst) [DECLTYPE_TYPE]: Likewise.
PR c++/71833
PR c++/54440
* pt.c (coerce_template_parameter_pack): Fix logic for
pack index.
PR c++/65970
* constexpr.c (cxx_eval_loop_expr): Count iterations.
* cp-gimplify.c (genericize_cp_loop): Use start_locus even for
infinite loops.
PR c++/71972
* constexpr.c (cxx_eval_array_reference): Handle looking for the
value of an element we're currently modifying.
2016-07-24 Jason Merrill <>
PR c++/71515
* pt.c (resolve_typename_type): Try to avoid calling
2016-07-23 Jason Merrill <>
PR c++/66617
* call.c (add_list_candidates): Handle VTT parm.
(build_new_method_call_1): Likewise.
PR c++/55922
PR c++/63151
* init.c (expand_aggr_init_1): Handle list-initialization from {}.
PR c++/70709
* class.c (walk_subobject_offsets): Handle 0-length array.
PR c++/70778
* pt.c (tsubst): Also substitute into the template of a
PR c++/71738
* pt.c (lookup_template_class_1): Handle getting template from tsubst.
PR c++/71350
* decl.c (reshape_init_r): Check complain for missing braces warning.
2016-07-22 Jason Merrill <>
PR c++/71576
* call.c (convert_like_real): Use lvalue_kind.
PR c++/71748
PR c++/52746
* pt.c (tsubst_baselink): Call
adjust_result_of_qualified_name_lookup for unqualified
2016-07-21 Jason Merrill <>
PR c++/69223
* semantics.c (apply_deduced_return_type): Call
complete_type_or_else before building the new RESULT_DECL.
PR c++/71274
* decl2.c (maybe_instantiate_decl): Split out from mark_used.
(decl_constant_var_p): Use it instead.
PR c++/71630
* pt.c (instantiate_decl): Fix pattern_defined for namespace scope
variable templates.
PR c++/71913
* call.c (unsafe_copy_elision_p): It's OK to elide when
initializing an unknown object.
* call.c (build_over_call): Check unsafe_copy_elision_p even for
trivial constructors.
* method.c (do_build_copy_constructor): Don't copy tail padding
even in a trivial constructor.
2016-07-21 Jakub Jelinek <>
PR c++/71728
* constexpr.c (potential_constant_expression_1) <case GOTO_EXPR>:
Replace assert with test, return false if the goto isn't break
or continue. Formatting fix.
2016-07-21 Richard Biener <>
* vtable-class-hierarchy.c (vtv_generate_init_routine): Set
2016-07-21 Jakub Jelinek <>
PR c++/71941
* cp-gimplify.c (cp_genericize): For nested cp_genericize calls
save/restore bc_label array.
2016-07-21 Jason Merrill <>
PR c++/70781
* parser.c (cp_parser_lambda_expression): Unset OK if there was an
error parsing the lambda-declarator.
PR c++/71896
* constexpr.c (cxx_eval_binary_expression): Handle comparison
between lowered and unlowered PTRMEM_CST.
PR c++/65168
* typeck.c (cp_truthvalue_conversion): Compare pointers to nullptr.
Don't set c_inhibit_evaluation_warnings.
PR c++/71121
* cp-gimplify.c (cp_fully_fold): First call maybe_constant_value.
2016-07-21 Andrew Sutton <>
Jason Merrill <>
Improving concepts performance and diagnostics.
PR c++/67565
PR c++/67579
PR c++/71843
* cp-tree.def (CHECK_CONSTR): New.
* cp-tree.h (CHECK_CONSTR_CONCEPT): New.
* (make_predicate_constraint): Remove in favor of
(resolve_constraint_check): Actually return error_mark_node when
resolution fails.
(resolve_variable_concept_check): Perform coercion as if processing
a template. Also return errors on resolution failure.
(lift_*): Remove all of these functions. Don't unnecessarily inline
(learn_*): Add facilities to memoize implications for subsumption
during normalization.
(expanding_concept): New.
(expand_concept): New. Return the inlined and normalized definition
of a concept when needed.
(transform_*, xform_*): Rename to normalize_* to better reflect the
responsibility of those functions.
(normalize_template_id_expression): Check for non-boolean operands
when possible. Generate check constraints instead of normal variable
(normalize_call_expression): Report errors when resolution fails.
(check_for_logical_overloads): Rewrite this check to more accurately
report the error.
(normalize_atom): Check for overloaded calls and invalid types before
determining if the expression refers to a concept.
(build_constraints): Don't cache normalized constraints or decomposed
(finish_shorthand_constraint): Return a normalized expression instead
of a predicate constraint.
(finish_template_introduction): Same.
(placeholder_extract_concept_and_args): Rewrite this since we only
ever get check constraints here.
(equivalent_placeholder_constraints): Rewrite in terms of check
constraints, and handle error_mark_nodes correctly.
(tsubst_check_constraint, tsubst_expr_constr, tsubst_type_constr)
(tsubst_argument_deduction_constr, tsubst_exception_constr)
(tsubst_parameterized_constraint, tsubst_constraint): New.
(tsbust_conjunection): Replace with tsubst_logical_operator and
actually generate the right kind of constraint.
(tsubst_requirement_body): Reverse the order of substituted arguments
so that they appear in the order written (helps diagnostics).
(satisfy_check_constraint): New.
(satisfy_conjunction): Simplify.
(satisfy_disjunction): Same.
(satisfy_constraint_1): Handle check constraints.
(eval_constr): New (private) global state.
(evaluating_constraints_sentinel): New. Manages eval_constr.
(satisfy_constraint): Add timing variables.
(satisfy_associated_constraints): Add hooks for memoization.
(evaluate_function_concept): Build a check constraint instead of
normalizing its definition.
(evaluate_variable_concept): Same.
(evaluate_constraint_expression): Normalize, but in the current
declaration processing context.
(evaluating_constraints_p): New.
(elide_constraint_failure_p): Actually emit constraint_thresh errors.
(diagnose_*): Remove artificial indentation. Add a new parameter to
each that tracks the current (complete) constraint prior to any
(diagnose_expression): Removed.
(diagnose_call_expression): Same.
(diagnose_template_id): Same.
(diagnose_template_id): New.
(diagnose_logical_constraint): New.
(diagnose_expression_constraint): Show the original expression.
(diagnose_type_constraint): Show the original type.
(diagnose_implicit_conversion_constraint): Be specific about
failures, don't re-diagnose a known-to-be-failed substitutions,
and manage elisions properly.
(diagnose_argument_deduction_constraint): Same.
(diagnose_exception_constraint): Same.
(diagnose_parameterized_constraint): Same.
(constraint_p): Allow EXPR_PACK_EXPANSION.
* (next_by_distance): Removed. No longer used.
(any_p): Renamed from any_of.
(term_entry, term_hasher): New.
(term_list): Rewrite to include a hash table for quick lookup.
Also, make less stateful.
(proof_state): Extend to allow goals to be discharged once
(non_atomic_constraint_p): New.
(any_non_atomic_constraints_p): New.
( Previous implementation completely replaced with an
iterative algorithm that opportunistically prunes the search space
before committing to using more memory.
* parser.c: (cp_parser_type_parameter): Normalize constraints.
(cp_parser_explicit_template_declaration): Same.
* pt.c: (finish_template_variable): Be less redundant with this error
(template_args_equal): No longer static.
(tsubst_decl): Don't try to find specializations of variables that
have already been instantiated.
(build_non_dependent_expr): Avoid infinite recursion during concept
(make_constrained_auto): Normalize constraints.
(do_auto_deduction): When doing auto deduction from a
partial-concept-id, be sure to include the explicit args checking
the constraints.
(constraint_sat_*): New. Memoize satisfied constraints.
(concept_spec_*): New. Memoize expressions associated with a concept
(constraint_memos, concept_memos): New.
(lookup_constraint_satisfaction, memoize_constraint_satisfaction): New.
(lookup_concept_satisfaction, memoize_concept_satisfaction): New.
(get_concept_expansion, save_concept_expansion): New.
(hash_subsumption_args): New.
(comp_subsumption_args): New.
(subsumption_*): New. Memoize parts of the subsumption relation.
(lookup_subsumption_result, save_subsumption_result): New.
(init_constraint_processing): Initialize memo tables.
(get_constraints): Shortcut if !flag_concepts.
* decl.c (grokfndecl): Normalize constraints.
* error.c (dump_simple_decl): Print "concept" when appropriate.
(dump_function_decl): Same.
(dump_template_decl): Don't write requirements when we're not
printing the header.
(dump_expr): Handle fold expressions.
* cxx-pretty-print.c (cxx_pretty_printer::expression): Handle
fold expressions.
(get_fold_operator): New.
(pp_cxx_unary_left_fold_expression): New.
(pp_cxx_unary_right_fold_expression): New.
(pp_cxx_binary_fold_expression): New.
(pp_cxx_check_constraint): New.
(pp_cxx_*_constraint): Rewrite the grammar of internal constraints
to make them easier to read when debugging.
* search.c (accessible_p): Don't shortcut when evaluating constraints.
* tree.c (cp_tree_equal): Handle CHECK_CONSTR.
2016-07-20 David Malcolm <>
PR c/70339
PR c/71858
* name-lookup.c: Include gcc-rich-location.h, spellcheck-tree.h,
and parser.h.
(suggest_alternatives_for): If no candidates are found, try
lookup_name_fuzzy and report if if finds a suggestion.
(consider_binding_level): New function.
(lookup_name_fuzzy) New function.
* parser.c: Include gcc-rich-location.h.
(cp_lexer_next_token_is_decl_specifier_keyword): Move most of
logic into...
(cp_keyword_starts_decl_specifier_p): ...this new function.
(cp_parser_diagnose_invalid_type_name): When issuing
"does not name a type" errors, attempt to make a suggestion using
* parser.h (cp_keyword_starts_decl_specifier_p): New prototype.
* search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Reject
types that are not CLASS_TYPE_P, rather than rejecting individual
tree codes.
2016-07-20 Jakub Jelinek <>
PR c++/71909
* parser.c (cp_parser_save_member_function_body): Consume
__transaction_relaxed or __transaction_atomic with optional
attribute. Only skip catch with block if try keyword is seen.
PR c++/50060
* constexpr.c (cxx_eval_builtin_function_call): Pass false as lval
when evaluating call arguments. Use fold_builtin_call_array instead
of fold_build_call_array_loc, return t if it returns NULL. Otherwise
check the result with potential_constant_expression and call
cxx_eval_constant_expression on it.
2016-07-19 Jason Merrill <>
PR c++/67164
* pt.c (iterative_hash_template_arg, template_args_equal): Don't
2016-07-18 Jakub Jelinek <>
PR c++/70869
PR c++/71054
* cp-gimplify.c (cp_genericize_r): Revert the 2016-07-07 change.
* tree.c (cp_walk_subtrees): For DECL_EXPR on DECL_ARTIFICIAL
non-static VAR_DECL, walk the decl's DECL_INITIAL, DECL_SIZE and
PR c++/71835
* call.c (build_op_call_1): Use convert_like_with_context only
if cand->fn is a decl.
PR c++/71828
* constexpr.c (cxx_eval_constant_expression) <case REALPART_EXPR>:
For lval don't use cxx_eval_unary_expression and instead recurse
and if needed rebuild the reference.
PR c++/71826
* pt.c (tsubst_baselink): Only set BASELINK_OPTYPE for BASELINK_P.
PR c++/71822
* cp-gimplify.c (cp_gimplify_expr) <case VEC_INIT_EXPR>: Recursively
fold *expr_p before genericizing it.
PR c++/71871
* typeck.c (build_x_conditional_expr): Revert the 2012-10-25 change.
2016-07-15 Jason Merrill <>
PR c++/71495
* call.c (convert_like_real): Mask complain.
* semantics.c (perform_koenig_lookup): Likewise.
PR c++/71092
* constexpr.c (cxx_eval_call_expression): Fail quietly when cgraph
threw away DECL_SAVED_TREE.
PR c++/71117
Core 2189
* call.c (add_template_conv_candidate): Disable if there are
viable candidates.
PR c++/71511
* typeck2.c (cxx_incomplete_type_diagnostic): Handle DECLTYPE_TYPE.
PR c++/71513
* pt.c (tsubst_attributes): Fix loop logic.
PR c++/71604
PR c++/54430
* parser.c (cp_parser_range_for): Modify IDENTIFIER_BINDING directly.
(cp_parser_simple_declaration): Diagnose type definition in
PR c++/71711
* operators.def: Add *_FOLD_EXPR.
* cp-tree.h (FOLD_EXPR_P): Parenthesize.
* mangle.c (write_expression): Handle fold-expressions.
* pt.c (tsubst_unary_left_fold, tsubst_binary_left_fold)
(tsubst_unary_right_fold, tsubst_binary_right_fold): Handle
partial instantiation.
PR c++/71814
* mangle.c (write_expression): Handle sizeof... an argument pack.
PR c++/71718
* pt.c (push_tinst_level_loc): Set at_eof before fatal_error.
PR c++/70824
* init.c (constant_value_1): Don't instantiated DECL_INITIAL of
artificial variables.
2016-07-15 Cesar Philippidis <>
* parser.c (cp_parser_oacc_declare): Don't scan for
* semantics.c (handle_omp_array_sections): Mark data clauses with
zero-length subarrays.
2016-07-11 Jason Merrill <>
* decl.c (store_parm_decls): Remove check for void parm.
2016-07-08 Jason Merrill <>
* cp-tree.h: Unpoison lvalue_p.
* call.c, class.c, constexpr.c, cvt.c, init.c, lambda.c, pt.c,
tree.c, typeck.c, typeck2.c: Use lvalue_p instead of
* tree.c (obvalue_p): Rename from lvalue_p.
(lvalue_p): Define for c-common.
* call.c, cp-tree.h, cvt.c, init.c: Adjust.
* typeck.c: Adjust.
(cp_build_addr_expr_1): Remove obsolete code.
* tree.c (glvalue_p): Rename from lvalue_or_rvalue_with_address_p.
* call.c, cp-tree.h, typeck.c: Adjust.
* lambda.c (maybe_add_lambda_conv_op): Fix null object argument.
P0145R2: Refining Expression Order for C++.
* cp-gimplify.c (lvalue_has_side_effects): New.
(cp_gimplify_expr): Implement assignment ordering.
* call.c (op_is_ordered, build_over_call): Adjust for
-fargs-in-order renaming to -fstrong-eval-order.
* cp-gimplify.c (cp_gimplify_expr): Likewise.
2016-07-07 Jakub Jelinek <>
Kai Tietz <>
PR c++/70869
PR c++/71054
* cp-gimplify.c (cp_genericize_r): For DECL_EXPR for non-static
artificial vars, genericize their initializers.
2016-07-05 David Malcolm <>
PR c++/62314
* parser.c (cp_parser_class_specifier_1): When reporting
missing semicolons, use a fixit-hint to suggest insertion
of a semicolon immediately after the closing brace,
offsetting the reported column accordingly.
2016-07-04 Jan Beulich <>
* lang-specs.h ("@c++-header"): Conditionalize "-o".
2016-06-29 Thomas Schwinge <>
* parser.c (cp_parser_pragma) <PRAGMA_OMP_CANCELLATION_POINT>:
Move pragma context checking into...
(cp_parser_omp_cancellation_point): ... here, and improve
diagnostic messages.
* semantics.c (finish_omp_cancel, finish_omp_cancellation_point):
Improve diagnostic messages.
2016-06-28 Jakub Jelinek <>
* Don't cat ../stage_current if it does not exist.
2016-06-24 Jason Merrill <>
P0145R2: Refining Expression Order for C++.
* typeck.c (cp_build_modify_expr): Leave COMPOUND_EXPR on LHS.
* tree.c (get_target_expr_sfinae): Handle bit-fields.
(build_target_expr): Call mark_rvalue_use.
2016-06-24 Jakub Jelinek <>
* call.c (magic_varargs_p): Return 3 for __builtin_*_overflow_p.
(build_over_call): For magic == 3, do no conversion only on 3rd
2016-06-23 Andi Kleen <>
* Add support for autofdo.
2016-06-21 Jason Merrill <>
* (constraints_satisfied_p): Keep as many levels of
args as our template has levels of parms.
* pt.c (template_parm_outer_level, uses_outer_template_parms): New.
(type_dependent_expression_p): Use uses_outer_template_parms.
2016-06-20 David Malcolm <>
* parser.c (cp_parser_string_literal): Convert non-standard
concatenation error to directly use a rich_location, and
use that to add the location of the first literal to the
2016-06-17 Paolo Carlini <>
* decl.c (validate_constexpr_redeclaration): Change pair of errors
to error + inform.
* error.c (dump_function_decl): Save the constexpr specifier too.
2016-06-17 Jakub Jelinek <>
* tree.c (builtin_valid_in_constant_expr_p): Test for
DECL_BUILT_IN_CLASS equal to BUILT_IN_NORMAL instead of just
(bot_manip): Likewise.
* call.c (magic_varargs_p): Likewise.
2016-06-17 Paolo Carlini <>
* decl.c (grokfndecl): Change pair of errors to error + inform.
2016-06-17 Jason Merrill <>
PR c++/71209
* typeck.c (finish_class_member_access_expr): Avoid "not a base"
warning when there are dependent bases.
2016-06-17 Jakub Jelinek <>
* semantics.c (handle_omp_array_sections_1): Don't ICE when
processing_template_decl when checking for bitfields and unions.
Look through REFERENCE_REF_P as base of COMPONENT_REF.
(finish_omp_clauses): Look through REFERENCE_REF_P even for
array sections with COMPONENT_REF bases.
2016-06-16 Jakub Jelinek <>
* parser.c (cp_parser_omp_var_list_no_open): Call
convert_from_reference before cp_parser_postfix_dot_deref_expression.
* semantics.c (finish_omp_clauses): Don't ICE when
processing_template_decl when checking for bitfields and unions.
Look through REFERENCE_REF_P as base of COMPONENT_REF.
2016-06-15 Paolo Carlini <>
* decl.c (wrapup_globals_for_namespace): Use DECL_SOURCE_LOCATION and
"%qF" in warning_at instead of "%q+F" in warning.
(check_redeclaration_exception_specification): Likewise in pedwarn
(and error, inform, for consistency).
* call.c (joust): Likewise.
2016-06-15 Paolo Carlini <>
PR c++/70202
* decl.c (xref_basetypes): Revert r117839 changes; add fix-up
code at the end of the for loop; also revert r159637 changes,
add back the gcc_assert.
* cp-tree.h (xref_basetypes): Adjust declaration.
* parser.c (cp_parser_class_head): Adjust xref_basetypes call.
2016-06-14 David Malcolm <>
* search.c: Include spellcheck-tree.h rather than spellcheck.h.
2016-06-14 David Malcolm <>
* typeck.c: Include "gcc-rich-location.h".
(finish_class_member_access_expr): Simplify fixit code by
using gcc_rich_location::add_fixit_misspelled_id.
2016-06-14 Jason Merrill <>
P0145R2: Refining Expression Order for C++.
* call.c (build_new_op_1): Set them.
(extract_call_expr, op_is_ordered): New.
(build_over_call): Set CALL_EXPR_ORDERED_ARGS.
* cp-gimplify.c (cp_gimplify_expr) [CALL_EXPR]: Handle new flags.
* pt.c (tsubst_copy_and_build): Copy new flags.
* semantics.c (simplify_aggr_init_expr): Likewise.
* tree.c (build_aggr_init_expr): Likewise.
(build_min_non_dep_op_overload): Likewise.
2016-06-14 Jakub Jelinek <>
PR c++/71528
* decl.c (duplicate_decls): For DECL_INITIALIZED_P non-external
olddecl vars, preserve their TREE_READONLY bit.
PR c++/71516
* decl.c (complete_vars): Handle gracefully type == error_mark_node.
2016-06-14 Paolo Carlini <>
* typeck2.c (digest_init_r): Use EXPR_LOC_OR_LOC on init.
2016-06-13 Paolo Carlini <>
* decl.c (grokdeclarator): Fix typo in pedwarn text.
2016-06-10 Thomas Schwinge <>
PR c/71381
* parser.c (cp_parser_omp_var_list_no_open) <OMP_CLAUSE__CACHE_>:
Loosen checking.
2016-06-09 Paolo Carlini <>
PR c++/71465
2016-06-04 Paolo Carlini <>
PR c++/70202
* parser.c (cp_parser_class_head): When xref_basetypes fails and
emits an error do not zero the type.
2016-06-08 Paolo Carlini <>
* decl.c (maybe_deduce_size_from_array_init): Use
(layout_var_decl): Likewise.
(check_array_initializer): Likewise.
(check_initializer): Likewise.
(duplicate_decls, check_elaborated_type_specifier): Tidy.
2016-06-08 Martin Sebor <>
Jakub Jelinek <>
PR c++/70507
PR c/68120
* constexpr.c: Include gimple-fold.h.
(cxx_eval_internal_function): New function.
(cxx_eval_call_expression): Call it.
(potential_constant_expression_1): Handle integer arithmetic
overflow built-ins.
* tree.c (builtin_valid_in_constant_expr_p): Handle
2016-06-08 Paolo Carlini <>
* pt.c (tsubst, case TYPENAME_TYPE): Don't delay checking the
return value of tsubst_aggr_type for error_mark_node.
2016-06-08 Jakub Jelinek <>
PR c++/71442
* pt.c (tsubst_copy): Only set TREE_USED on DECLs.
2016-06-06 Jakub Jelinek <>
Patrick Palka <>
PR c++/70847
PR c++/71330
PR c++/71393
* cp-gimplify.c (cp_fold_r): Set *walk_subtrees = 0 and return NULL
right after cp_fold call if cp_fold has returned the same stmt
already in some earlier cp_fold_r call.
(cp_fold_function): Add pset automatic variable, pass its address
to cp_walk_tree.
2016-06-04 Paolo Carlini <>
PR c++/70202
* parser.c (cp_parser_class_head): When xref_basetypes fails and
emits an error do not zero the type.
2016-06-03 Patrick Palka <>
PR c++/27100
* decl.c (duplicate_decls): Properly copy the
2016-06-03 Chung-Lin Tang <>
* semantics.c (finish_omp_clauses): Mark OpenACC reduction
arguments as addressable when async clause exists.
2016-06-02 Jan Hubicka <>
* cp-gimplify.c (genericize_continue_stmt): Force addition of
predict stmt.
2016-06-02 Paolo Carlini <>
* decl.c (xref_tag_1): Change pairs of errors to error + inform.
(start_enum): Likewise.
* parser.c (cp_parser_class_head): Likewise.
2016-06-02 Jakub Jelinek <>
PR c++/71372
* cp-gimplify.c (cp_fold): For INDIRECT_REF, if the folded expression
to the newly built tree.
2016-05-31 Jason Merrill <>
* pt.c (instantiate_decl): Avoid recalculation.
PR c++/60095
PR c++/69515
PR c++/69009
* pt.c (instantiate_template_1): Don't put the partial
specialization in DECL_TI_TEMPLATE.
(partial_specialization_p, impartial_args): Remove.
(regenerate_decl_from_template): Add args parm.
(instantiate_decl): Look up the partial specialization again.
PR c++/71227
* pt.c (check_explicit_specialization): Give better diagnostic about
specializing a hidden friend.
2016-05-31 Paolo Carlini <>
PR c++/71248
* decl.c (check_static_variable_definition): Use DECL_SOURCE_LOCATION
to obtain correct locations; avoid redundant diagnostics on
out-of-class definitions.
2016-05-30 Martin Sebor <>
PR c++/71306
* init.c (warn_placement_new_too_small): Handle placement new arguments
that are elements of arrays more carefully. Remove a pointless loop.
2016-05-30 Jakub Jelinek <>
PR c++/71349
* parser.c (cp_parser_omp_for): Don't disallow nowait clause
when combined with target construct.
(cp_parser_omp_parallel): Pass cclauses == NULL as last argument
to cp_parser_omp_all_clauses.
2016-05-30 Paolo Carlini <>
PR c++/71238
* lex.c (unqualified_name_lookup_error): Take a location too.
(unqualified_fn_lookup_error): Take a cp_expr.
* cp-tree.h (unqualified_name_lookup_error,
unqualified_fn_lookup_error): Adjust declarations.
* semantics.c (perform_koenig_lookup): Adjust
unqualified_fn_lookup_error call, pass the location of
the identifier too as part of a cp_expr.
2016-05-30 Paolo Carlini <>
PR c++/71099
* parser.c (cp_parser_function_specifier_opt): Use current_class_type
to improve the diagnostic about wrong uses of 'virtual'.
2016-05-29 Paolo Carlini <>
PR c++/71105
* lambda.c (maybe_add_lambda_conv_op): Early return also when
2016-05-28 Ville Voutilainen <>
PR c++/69855
* name-lookup.c (pushdecl_maybe_friend_1): Push local function
decls into the global scope after stripping template bits
2016-05-27 Paolo Carlini <>
PR c++/60385
* name-lookup.c (push_namespace): Return bool, false when pushdecl
* name-lookup.h (push_namespace): Adjust declaration.
* parser.c (cp_parser_namespace_definition): Check push_namespace
return value.
2016-05-27 Ville Voutilainen <>
PR c++/69855
* name-lookup.c (pushdecl_maybe_friend_1): Push local function
decls into the global scope after stripping template bits
2016-05-26 Jakub Jelinek <>
* semantics.c (finish_omp_clauses) <case OMP_CLAUSE_SCHEDULE>: Warn
if OMP_CLAUSE_SCHEDULE_CHUNK_EXPR is known not to be positive.
2016-05-26 Patrick Palka <>
PR c++/70822
PR c++/70106
* cp-tree.h (REF_PARENTHESIZED_P): Make this flag apply to
* pt.c (tsubst_qualified_id): If REF_PARENTHESIZED_P is set
on the qualified_id then propagate it to the resulting
(do_auto_deduction): Check REF_PARENTHESIZED_P on SCOPE_REFs
* semantics.c (force_paren_expr): If given a SCOPE_REF, just set
2016-05-25 Jason Merrill <>
PR c++/71173
PR c++/70522
* cp-tree.h (enum tag_types): Add scope_type.
* parser.c (cp_parser_class_name): Use scope_type.
(prefer_type_arg): Handle scope_type.
(cp_parser_lookup_name): Use prefer_type_arg.
* name-lookup.c (lookup_qualified_name): Change bool is_type_p to
int prefer_type, use lookup_flags.
* name-lookup.h: Adjust.
2016-05-24 Cesar Philippidis <>
* parser.c (cp_parser_oacc_declare): Add support for
* semantics.c (handle_omp_array_sections_1): Replace bool is_omp
argument with enum c_omp_region_type ort. Don't privatize OpenACC
non-static members.
(handle_omp_array_sections): Replace bool is_omp argument with enum
c_omp_region_type ort. Update call to handle_omp_array_sections_1.
(finish_omp_clauses): Add specific errors and warning messages for
OpenACC. Use firsrtprivate pointers for OpenACC subarrays. Update
call to handle_omp_array_sections.
2016-05-24 Jason Merrill <>
PR c++/70584
* cp-gimplify.c (cp_fold_maybe_rvalue): Loop in case cp_fold
returns a decl.
(cp_fold) [INDIRECT_REF]: Don't fold to an rvalue.
2016-05-24 Martin Sebor <>
PR c++/71147
* decl.c (layout_var_decl, grokdeclarator): Use complete_or_array_type_p.
* pt.c (instantiate_class_template_1): Try to complete the element
type of a flexible array member.
(can_complete_type_without_circularity): Handle arrays of unknown bound.
* typeck.c (complete_type): Also complete the type of the elements of
arrays with an unspecified bound.
2016-05-24 Paolo Carlini <>
PR c++/69872
* typeck2.c (check_narrowing): Check pedwarn return value.
2016-05-24 Jakub Jelinek <>
PR c++/71257
* semantics.c (finish_omp_clauses) <case OMP_CLAUSE_LINEAR>:
For OMP_CLAUSE_LINEAR_REF don't require type to be
integral or pointer.
2016-05-24 Richard Biener <>
PR middle-end/70434
PR c/69504
* expr.c (mark_exp_read): Handle VIEW_CONVERT_EXPR.
* constexpr.c (cxx_eval_array_reference): Handle indexed
* typeck.c (cp_build_array_ref): Adjust.
2016-05-23 Jason Merrill <>
PR c++/70344
* constexpr.c (cxx_eval_call_expression): Check for
fun == current_function_decl again.
PR c++/70584
* cp-gimplify.c (cp_fold) [INDIRECT_REF]: Call
PR c++/70735
* pt.c (tsubst_copy): Just return a local variable from
non-template context. Don't call rest_of_decl_compilation for
duplicated static locals.
(tsubst_decl): Set DECL_CONTEXT of local static from another
2016-05-23 Paolo Carlini <>
PR c++/70972
* method.c (forward_parm): Use cp_build_reference_type.
2016-05-23 Paolo Carlini <>
PR c++/69095
* parser.c (cp_parser_initializer): Use check_for_bare_parameter_packs.
2016-05-23 Paolo Carlini <>
* pt.c (check_for_bare_parameter_packs): Improve error message
location for expressions.
2016-05-20 Nathan Sidwell <>
* constexpr.c (cxx_bind_parameters_in_call): Avoid gratuitous if
... goto.
(cxx_eval_call_expression): Fix comment grammar.
2016-05-20 Paolo Carlini <>
PR c++/70572
* decl.c (cp_finish_decl): Check do_auto_deduction return value
and return immediately in case of erroneous code.
2016-05-19 Marek Polacek <>
PR c++/71075
* pt.c (unify_template_argument_mismatch): Use %qE instead of %qD.
2016-05-19 Jason Merrill <>
PR c++/10200
* pt.c (fn_type_unification): Add outer template args if needed.
(type_unification_real): Handle getting full args.
2016-05-19 David Malcolm <>
PR c++/71184
* parser.c (cp_parser_operator): For array new/delete, check that
cp_parser_require returned a non-NULL token before dereferencing
2016-05-19 Bernd Edlinger <>
* decl.c (finish_enum_value_list): Use the specified mode.
2016-05-18 Jason Merrill <>
* pt.c (value_dependent_expression_p): Tweak new cases to better
match the wording in the standard.
2016-05-18 Paolo Carlini <>
PR c++/69793
* parser.c (cp_parser_template_id): Don't call cp_lexer_peek_nth_token
when the previous cp_lexer_peek_token returns CPP_EOF.
2016-05-18 Paolo Carlini <>
PR c++/70466
* call.c (convert_like_real): Check that we are actually converting
from an init list.
2016-05-16 Matthew Wahab <>
* decl.c (grokdeclarator): Remove errmsg and use of
(grokparms): Remove errmsg and use of
2016-05-13 Jason Merrill <>
PR c++/10200
PR c++/69753
* pt.c (tsubst_decl): Use uses_template_parms.
(instantiate_template_1): Handle non-dependent calls in templates.
(value_dependent_expression_p): Handle BASELINK, FUNCTION_DECL.
(type_dependent_expression_p): Only consider innermost template args.
(dependent_template_arg_p): Check enclosing class of a template here.
(dependent_template_p): Not here.
(type_dependent_object_expression_p): New.
* typeck.c (finish_class_member_access_expr): Use it.
* parser.c (cp_parser_postfix_expression): Use it.
(cp_parser_postfix_dot_deref_expression): Use it. Use comptypes
to detect the current instantiation.
(cp_parser_lookup_name): Really implement DR 141.
* search.c (lookup_field_r): Prefer a dependent using-declaration.
(any_dependent_bases_p): Split out from...
* name-lookup.c (do_class_using_decl):
* call.c (build_new_method_call_1): Use it.
* semantics.c (finish_call_expr): 'this' doesn't make a call dependent.
* tree.c (non_static_member_function_p): Remove.
* typeck2.c (build_x_arrow): Use dependent_scope_p.
* parser.c (cp_parser_postfix_dot_deref_expression): Use
complete_type_or_else for unknown_type_node, too.
2016-05-12 Marek Polacek <>
PR c/70756
* call.c (build_new_op_1): Pass LOC to cp_build_modify_expr.
* cp-tree.h (cp_build_modify_expr): Update declaration.
(cxx_incomplete_type_error, cxx_incomplete_type_diagnostic): New inline
* cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Pass INPUT_LOCATION to
* decl2.c (set_guard): Likewise.
(handle_tls_init): Likewise.
* init.c (perform_member_init): Likewise.
(expand_virtual_init): Likewise.
(build_new_1): Likewise.
(build_vec_delete_1): Likewise.
(get_temp_regvar): Likewise.
(build_vec_init): Likewise.
* method.c (do_build_copy_assign): Likewise.
(assignable_expr): Likewise.
* semantics.c (finish_omp_for): Likewise.
* typeck.c (cp_build_binary_op): Pass LOCATION to pointer_diff and
(cp_pointer_int_sum): Add location parameter. Pass it down to
(pointer_diff): Add location parameter. Use it.
(build_modify_expr): Pass location down to cp_build_modify_expr.
(cp_build_modify_expr): Add location parameter. Use it.
(build_x_modify_expr): Pass location down to cp_build_modify_expr.
* typeck2.c (cxx_incomplete_type_diagnostic,
cxx_incomplete_type_error): Add location parameter.
2016-05-11 Marek Polacek <>
PR c++/71024
* decl.c (duplicate_decls): Call diagnose_mismatched_decls.
2016-05-05 Jakub Jelinek <>
* parser.c (cp_parser_selection_statement): For RID_SWITCH,
pass if_p instead of NULL to cp_parser_implicitly_scoped_statement.
2016-05-04 Marek Polacek <>
* parser.c (cp_parser_selection_statement): Replace OPT_Wparentheses
with OPT_Wdangling_else.
2016-05-03 Martin Sebor <>
PR c++/66561
* tree.c (builtin_valid_in_constant_expr_p): Treat BUILT_IN_FILE,
BUILT_IN_FUNCTION, and BUILT_IN_LINE as constant expressions.
2016-05-03 Marek Polacek <>
PR c/70859
* call.c (build_cxx_call): Pass location and vNULL down to
2016-05-03 Richard Biener <>
* (cc1plus-checksum.c): For stage-final re-use
the checksum from the previous stage.
2016-05-02 David Malcolm <>
PR c++/62314
* typeck.c (finish_class_member_access_expr): When
giving a hint about a possibly-misspelled member name,
add a fix-it replacement hint.
2016-05-02 Cesar Philippidis <>
* cp-tree.h (finish_omp_clauses): Update prototype.
* parser.c (cp_parser_oacc_all_clauses): Update call to
(cp_parser_omp_all_clauses): Likewise.
(cp_parser_omp_for_loop): Likewise.
(cp_omp_split_clauses): Likewise.
(cp_parser_oacc_cache): Likewise.
(cp_parser_oacc_loop): Likewise.
(cp_parser_cilk_simd_all_clauses): Likewise.
(cp_parser_cilk_for): Likewise.
* pt.c (tsubst_omp_clauses): Replace allow_fields and declare_simd
arguments with enum c_omp_region_type ort.
(tsubst_omp_clauses): Update calls to finish_omp_clauses.
(tsubst_omp_attribute): Update calls to tsubst_omp_clauses.
(tsubst_omp_for_iterator): Update calls to finish_omp_clauses.
(tsubst_expr): Update calls to tsubst_omp_clauses.
* semantics.c (finish_omp_clauses): Replace bool arguments
allow_fields, declare_simd, and is_cilk with bitmask ort.
(finish_omp_for): Update call to finish_omp_clauses.
2016-05-02 David Malcolm <>
PR c++/62314
* parser.c (cp_parser_class_head): Capture the start location;
use it to emit a fix-it insertion hint when complaining
about missing "template <> " in explicit specializations.
2016-05-02 Richard Sandiford <>
* init.c (build_new_1): Use shift operators instead of wi:: shifts.
2016-05-02 Richard Biener <>
* decl.c (grokdeclarator): Properly insert a DECL_EXPR for
anonymous VLAs.
2016-04-29 Paolo Carlini <>
PR c++/66644
* class.c (check_field_decl): Remove final int* parameter, change
the return type to bool; fix logic in order not to reject multiple
initialized fields in anonymous struct.
(check_field_decls): Adjust call.
2016-04-29 Cesar Philippidis <>
PR middle-end/70626
* parser.c (cp_parser_oacc_loop): Don't augment mask with
(cp_parser_oacc_kernels_parallel): Update call to
2016-04-28 Jason Merrill <>
Implement C++17 [[nodiscard]] attribute.
PR c++/38172
PR c++/54379
* parser.c (cp_parser_std_attribute): Handle [[nodiscard]].
* tree.c (handle_nodiscard_attribute): New.
(cxx_attribute_table): Add [[nodiscard]].
* cvt.c (cp_get_fndecl_from_callee, cp_get_callee_fndecl): New.
(maybe_warn_nodiscard): New.
(convert_to_void): Call it.
* cvt.c (cp_get_callee): New.
* constexpr.c (get_function_named_in_call): Use it.
* cxx-pretty-print.c (postfix_expression): Use it.
* except.c (check_noexcept_r): Use it.
* method.c (check_nontriv): Use it.
* tree.c (build_aggr_init_expr): Use it.
* cp-tree.h: Declare it.
2015-04-27 Ryan Burn <>
Jeff Law <>
PR c++/69024
PR c++/68997
* cp-gimplify.c (cp_gimplify_expr): Call cilk_cp_detect_spawn_and_unwrap
instead of cilk_detect_spawn_and_unwrap.
* cp-cilkplus.c (is_conversion_operator_function_decl_p): New.
(find_spawn): New.
(cilk_cp_detect_spawn_and_unwrap): New.
* lambda.c: Include cp-cilkplus.h.
* parser.c: Include cp-cilkplus.h.
* cp-tree.h (cpp_validate_cilk_plus_loop): Move prototype into...
* cp-cilkpus.h: New file.
2016-04-27 Nathan Sidwell <>
* constexpr.c (get_fundef_copy): Use the original function for
non-recursive evaluations.
(save_fundef_copy): Always expect a slot to be available.
2016-04-27 Bernd Schmidt <>
* parser.c (cp_parser_postfix_expression): Call
warn_for_memset instead of warning directly here.
2016-04-26 Patrick Palka <>
PR c++/70241
* decl.c (build_enumerator): Set current_access_specifier when
declaring an enumerator belonging to an in-class enumeration.
* parser.c (cp_parser_check_access_in_redecleration): Also
consider in-class enumerations.
2016-04-26 Marek Polacek <>
PR c++/70744
* call.c (build_conditional_expr_1): Call cp_stabilize_reference
instead of stabilize_reference.
(build_over_call): Likewise.
* cp-tree.h (cp_stabilize_reference): Declare.
* tree.c (cp_stabilize_reference): New function.
* typeck.c (cp_build_unary_op): Call cp_stabilize_reference instead of
(unary_complex_lvalue): Likewise.
(cp_build_modify_expr): Likewise.
2016-04-26 Jakub Jelinek <>
PR bootstrap/70704
* pt.c (build_non_dependent_expr): Use flag_checking > 1 instead of
just flag_checking.
2016-04-25 Jason Merrill <>
* tree.c (std_attribute_table): New.
(init_tree): Register it.
2016-04-22 Jason Merrill <>
* parser.c (cp_parser_perform_range_for_lookup): Decay the array.
2016-04-21 Patrick Palka <>
* name-lookup.c (free_saved_scope): New free list of saved_scope
(push_to_top_level): Attempt to reuse a saved_scope struct
from free_saved_scope instead of allocating a new one each time.
(pop_from_top_level_1): Chain the now-unused saved_scope structure
onto free_saved_scope.
2016-04-21 Paolo Carlini <>
PR c++/70540
* semantics.c (process_outer_var_ref): Unconditionally return
error_mark_node when mark_used returns false.
2016-04-21 Marek Polacek <>
PR c++/70513
* parser.c (cp_parser_enum_specifier): Check and possibly error for
extra qualification.
2016-04-20 Nathan Sidwell <>
PR c++/55635
* init.c (build_vec_delete_1): Protect operator delete call in try
(build_delete): Likewise.
* optimize.c (build_delete_destructor_body): Likewise.
2016-04-20 Ilya Verbin <>
PR c++/69363
* cp-tree.h (finish_omp_clauses): Add new default argument.
* parser.c (cp_parser_cilk_simd_all_clauses): Use finish_omp_clauses
instead of c_finish_cilk_clauses.
* semantics.c (finish_omp_clauses): Add new argument. Allow
floating-point variables in the linear clause for Cilk Plus.
2016-04-20 Nathan Sidwell <>
* semantics.c (finish_compound_lteral): Don't wrap VECTOR_TYPEs in a
2016-04-19 Jason Merrill <>
PR c++/66543
* expr.c (mark_exp_read): Handle NON_DEPENDENT_EXPR.
* pt.c (make_pack_expansion): Call mark_exp_read.
* semantics.c (finish_id_expression): Call mark_type_use in
unevaluated context.
DR 2137
* call.c (implicit_conversion): If we choose a copy constructor
for list-initialization from the same type, the conversion is an
exact match.
* constexpr.c (breaks): Handle EXIT_EXPR.
(cxx_eval_loop_expr): Handle COMPOUND_EXPR body.
(cxx_eval_constant_expression): Handle EXIT_EXPR, improve handling
PR c++/68206
PR c++/68530
* constexpr.c (potential_constant_expression_1): Handle LOOP_EXPR
* pt.c (tsubst_expr): Remove shadowing declaration.
(tsubst_pack_expansion): Add assert.
* semantics.c (add_decl_expr): Use DECL_SOURCE_LOCATION.
PR c++/70522
* name-lookup.c (qualified_lookup_using_namespace): Look through
hidden names.
2016-04-18 Michael Matz <>
* class.c (build_vtable): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
(layout_class_type): Ditto.
(build_base_field): Use SET_DECL_ALIGN.
(fixup_attribute_variants): Use SET_TYPE_ALIGN.
* decl.c (duplicate_decls): Use SET_DECL_ALIGN.
(record_unknown_type): Use SET_TYPE_ALIGN.
(cxx_init_decl_processing): Ditto.
(copy_type_enum): Ditto.
(grokfndecl): Use SET_DECL_ALIGN.
(copy_type_enum): Use SET_TYPE_ALIGN.
* pt.c (instantiate_class_template_1): Use SET_TYPE_ALIGN.
(tsubst): Ditto.
* tree.c (cp_build_qualified_type_real): Use SET_TYPE_ALIGN.
* lambda.c (maybe_add_lambda_conv_op): Use SET_DECL_ALIGN.
* method.c (implicitly_declare_fn): Use SET_DECL_ALIGN.
* rtti.c (emit_tinfo_decl): Ditto.
2016-04-18 Jason Merrill <>
PR c++/70690
PR c++/70528
* class.c (type_maybe_constexpr_default_constructor): New.
(type_has_constexpr_default_constructor): Revert.
2016-04-16 Sandra Loosemore <>
PR target/1078
* tree.c (cxx_attribute_table): Remove "com_interface" entry.
(handle_com_interface_attribute): Delete.
2016-04-15 Jason Merrill <>
PR c++/70685
* constexpr.c (get_fundef_copy): Handle null *slot.
PR c++/70505
* pt.c (tsubst_baselink): Give the new TEMPLATE_ID_EXPR
unknown_type_node, too.
2016-04-15 Jason Merrill <>
Nathan Sidwell <>
PR c++/70594
* constexpr.c (constexpr_call_table): Preserve in GC.
(struct fundef_copy, struct fundef_copies_table_t): Delete.
(fundef_copies_table): Preserve in GC. Change to pointer to
tree->tree hash.
(maybe_initialize_fundef_copies_table): Adjust.
(get_fundef_copy): Return a TREE_LIST. Use non-inserting search.
(save_fundef_copy): Adjust for a TREE_LIST.
(cxx_eval_call_expression): Adjust for a fundef_copy TREE_LIST.
(fini_constexpr): New.
* cp-tree.h (fini_constexpr): Declare.
* decl2.c (c_parse_final_cleanups): Call fini_constexpr.
2016-04-15 Jakub Jelinek <>
PR c/70436
* parser.c (cp_parser_pragma): Add IF_P argument, pass it down
where needed.
(cp_parser_declaration_seq_opt, cp_parser_member_specification_opt,
cp_parser_objc_interstitial_code, cp_parser_omp_declare_simd,
cp_parser_oacc_routine): Adjust cp_parser_pragma callers.
(cp_parser_statement): Likewise. Adjust cp_parser_cilk_for caller.
(cp_parser_omp_structured_block): Add IF_P argument, pass it down to
(cp_parser_oacc_data, cp_parser_oacc_host_data, cp_parser_oacc_loop,
cp_parser_oacc_kernels_parallel, cp_parser_omp_critical,
cp_parser_omp_simd, cp_parser_omp_for, cp_parser_omp_master,
cp_parser_omp_ordered, cp_parser_omp_parallel, cp_parser_omp_single,
cp_parser_omp_task, cp_parser_omp_taskgroup, cp_parser_omp_distribute,
cp_parser_omp_teams, cp_parser_omp_target_data, cp_parser_omp_target,
cp_parser_omp_taskloop, cp_parser_omp_construct,
cp_parser_cilk_grainsize, cp_parser_cilk_simd, cp_parser_cilk_for):
Add IF_P argument, pass it down where needed.
(cp_parser_omp_for_loop): Likewise. Clear IF_P if nbraces.
(cp_parser_omp_sections_scope): Adjust cp_parser_omp_structured_block
2016-04-14 Jason Merrill <>
PR c++/70494
* decl.c (cxx_maybe_build_cleanup): Handle non-decls.
* typeck2.c (split_nonconstant_init_1): Use it.
PR c++/70528
* class.c (type_has_constexpr_default_constructor): Return true
for an implicitly declared constructor.
PR c++/70622
* parser.c (cp_parser_init_declarator): Add auto_result parm.
(cp_parser_simple_declaration): Pass it.
(strip_declarator_types): New.
PR c++/70543
* pt.c (value_dependent_expression_p) [VAR_DECL]: A type-dependent
initializer also makes the variable value-dependent.
PR c++/70648
* constexpr.c (cxx_eval_store_expression): Also copy
2016-04-14 Martin Sebor <>
PR c++/69517
PR c++/70019
PR c++/70588
* cp-tree.h, decl.c, init.c, typeck2.c: Revert.
2016-04-14 Jason Merrill <>
* call.c, decl.c, error.c, cp-tree.h, decl.c: Revert empty
parameter ABI change.
2016-04-13 Martin Sebor <>
PR c++/69517
PR c++/70019
PR c++/70588
* cp-tree.h (throw_bad_array_length, build_vla_check): Declare new
* decl.c (check_initializer, cp_finish_decl): Call them.
(reshape_init_r): Reject incompletely braced intializer-lists
for VLAs.
* init.c (throw_bad_array_length, build_vla_check)
(build_vla_size_check, build_vla_init_check): Define new functions.
* typeck2.c (split_nonconstant_init_1): Use variably_modified_type_p()
to detect a VLA.
(store_init_value): Same.
2016-04-13 Jason Merrill <>
Warn about empty parameter ABI with -Wabi=9.
* call.c (empty_class_msg, mark_for_abi_warning)
(warn_empty_class_abi): New.
(build_call_a): Use them.
* decl.c (store_parm_decls): Use mark_for_abi_warning.
* error.c (pp_format_to_string): New.
Pass empty class parameters like C.
* call.c (pass_as_empty_struct, empty_class_arg): New.
(type_passed_as, build_x_va_arg): Use pass_as_empty_struct.
(build_call_a): Use empty_class_arg.
* cp-tree.h (CPTI_EMPTY_STRUCT, empty_struct_type): New.
* decl.c (cxx_init_decl_processing): Create empty_struct_type.
2016-04-13 Jason Merrill <>
PR c++/70627
* decl.c (start_enum): Don't change an existing ENUM_UNDERLYING_TYPE.
2016-04-13 Paolo Carlini <>
PR c++/70635
* pt.c (resolve_typename_type): Fix typos in infinite recursion
avoidance mechanism.
2016-04-13 Jason Merrill <>
PR c++/70634
* pt.c (instantiation_dependent_uneval_expression_p): Split out
from instantiation_dependent_expression_p.
(value_dependent_expression_p): Use it for unevaluated operands.
(instantiation_dependent_r): Don't check value-dependence.
(instantiation_dependent_expression_p): Check
value-dependence of the expression as a whole.
* cp-tree.h: Declare instantiation_dependent_uneval_expression_p.
* semantics.c (finish_decltype_type): Use it.
* constexpr.c (potential_nondependent_constant_expression): New.
(potential_nondependent_static_init_expression): New.
(maybe_constant_value_1, fold_non_dependent_expr)
(maybe_constant_init): Use them.
* pt.c (instantiate_non_dependent_expr_sfinae)
(instantiate_non_dependent_or_null, convert_nontype_argument): Use
* cp-tree.h: Declare them.
2016-04-13 Jakub Jelinek <>
PR c++/70594
* decl.c (pop_labels_1): Removed.
(note_label, sort_labels): New functions.
(pop_labels): During named_labels traversal, just push the slot
pointers into a vector, then qsort it by DECL_UID and only then
call pop_label and chain it into BLOCK_VARS.
2016-04-13 Jason Merrill <>
PR c++/70615
* cp-gimplify.c (cp_genericize_r): Expand PTRMEM_CST here.
(cp_gimplify_expr): Not here.
2016-04-12 Patrick Palka <>
PR c++/70610
* tree.c (lvalue_kind) [NON_DEPENDENT_EXPR]: Unconditionally
recurse into it.
* typeck.c (build_x_conditional_expr): Unconditionally remember
that the result is an lvalue or xvalue.
2016-04-12 Jason Merrill <>
* class.c (is_really_empty_class): A zero-length array is empty.
An unnamed bit-field doesn't make a class non-empty.
2016-04-12 Paolo Carlini <>
PR c++/68722
* parser.c (cp_parser_cache_defarg): When file ends in default
argument simply return error_mark_node.
2016-04-12 Nathan Sidwell <>
PR c++/70501
* constexpr.c (cxx_eval_bare_aggregate): Handle VECTOR_TYPE
similarly to PMF.
2016-04-11 Jason Merrill <>
* mangle.c (decl_is_template_id): The template itself counts as a
2016-04-08 Patrick Palka <>
PR c++/70590
PR c++/70452
* constexpr.c (cxx_eval_outermost_expression): Call unshare_expr
on the result if it's not a CONSTRUCTOR.
2016-04-07 Patrick Palka <>
PR c++/70452
* constexpr.c (find_constructor): New function.
(unshare_constructor): New function.
(cxx_eval_call_expression): Use unshare_constructor instead of
(find_array_ctor_elt): Likewise.
(cxx_eval_vec_init_1): Likewise.
(cxx_eval_store_expression): Likewise.
(cxx_eval_constant_expression): Likewise.
2016-04-06 Patrick Palka <>
PR c/70436
* cp-tree.h (FOR_EACH_CLONE): Restructure macro to avoid
potentially generating a future -Wparentheses warning in its
2016-04-06 Jason Merrill <>
* class.c (check_abi_tags): Fix function template handling.
2016-04-05 Nathan Sidwell <>
PR c++/70512
* class.c (fixup_may_alias): New.
(fixup_attribute_variants): Call it.
2016-04-05 Patrick Palka <>
PR c++/70452
* constexpr.c (struct fundef_copy): New struct.
(struct fundef_copies_table_t): New struct.
(fundef_copies_table): New static variable.
(maybe_initialize_fundef_copies_table): New static function.
(get_fundef_copy): New static function.
(save_fundef_copy): New static function.
(cxx_eval_call_expression): Use get_fundef_copy, and
(constexpr_call_table): Add "deletable" GTY marker.
2016-04-05 Patrick Palka <>
PR c++/70452
* cp-tree.h (class cache_map): Remove.
* constexpr.c (cv_cache): Change type to
GTY((deletable)) hash_map<tree, tree> *.
(maybe_constant_value): Adjust following the change to cv_cache.
(clear_cv_cache): New static function.
(clear_cv_and_fold_caches): Use it.
* cp-gimplify.c (fold_cache): Change type to
GTY((deletable)) hash_map<tree, tree> *.
(clear_fold_cache): Adjust following the change to fold_cache.
(cp_fold): Likewise.
2016-04-02 Martin Sebor <>
PR c++/67376
PR c++/70170
PR c++/70172
PR c++/70228
* constexpr.c (diag_array_subscript): New function.
(cxx_eval_array_reference): Detect out of bounds array indices.
2016-04-01 Jason Merrill <>
PR c++/70449
PR c++/70344
* pt.c (instantiate_decl): A function isn't fully defined if
DECL_INITIAL is error_mark_node.
* constexpr.c (cxx_eval_call_expression): Likewise.
2016-04-01 Jakub Jelinek <>
Marek Polacek <>
PR c++/70488
* init.c (warn_placement_new_too_small): Test whether
DECL_SIZE_UNIT or TYPE_SIZE_UNIT are integers that fit into uhwi.
2016-04-01 Nathan Sidwell <>
PR c++/68475
* decl.c (check_redeclaration_exception_specification): Check
regardless of -fno-exceptions.
* typeck2.c (merge_exception_specifiers): Relax assert by checking
flag_exceptions too.
2016-03-31 Nathan Sidwell <>
* decl.c (start_preparsed_function): Remove unnecessary bracing.
(finish_destructor_body): Don't emit operator delete here.
2016-03-31 Nathan Sidwell <>
PR c++/70393
* constexpr.c (cxx_eval_store_expression): Keep CONSTRUCTOR
elements in field order.
2016-03-31 Marek Polacek <>
PR c/70297
* decl.c (duplicate_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN.
2016-03-31 Richard Biener <>
PR c++/70430
* typeck.c (cp_build_binary_op): Fix operand order of vector
conditional in truth op handling.
2016-03-29 Jason Merrill <>
PR c++/70353
* decl.c (make_rtl_for_nonlocal_decl): Don't defer local statics
in constexpr functions.
2016-03-28 Jason Merrill <>
PR c++/70422
PR c++/64266
PR c++/70353
* decl.c, pt.c, constexpr.c: Revert last patch.
2016-03-25 Jason Merrill <>
Martin Liška <>
PR c++/64266
PR c++/70353
Core issue 1962
* decl.c (cp_fname_init): Decay the initializer to pointer.
(cp_make_fname_decl): Set DECL_DECLARED_CONSTEXPR_P,
Don't call cp_finish_decl.
* pt.c (tsubst_expr) [DECL_EXPR]: Set DECL_VALUE_EXPR,
* constexpr.c (cxx_eval_constant_expression) [VAR_DECL]:
2016-03-24 Jason Merrill <>
PR c++/70386
* constexpr.c (cxx_eval_bare_aggregate): Handle PMFs.
PR c++/70323
* constexpr.c (cxx_eval_call_expression): Don't cache result if
2016-03-24 Patrick Palka <>
PR c++/62212
* tree.c (build_cplus_array_type): Determine type-dependentess
with uses_template_parms instead of with dependent_type_p.
2016-03-23 Patrick Palka <>
PR c++/70347
* typeck.c (process_init_constructor_union): If the initializer
is empty, use the union's NSDMI if it has one.
2016-03-23 Patrick Palka <>
PR c++/70332
* pt.c (tsubst_copy) [PARM_DECL]: Handle the use of 'this' in an
NSDMI that's part of an aggregrate initialization.
2016-03-23 Jakub Jelinek <>
PR c++/70001
* constexpr.c (cxx_eval_vec_init_1): Reuse CONSTRUCTOR initializers
for 1..max even for multi-dimensional arrays. Call unshare_expr
on it.
PR c++/70323
* constexpr.c (cxx_eval_constant_expression): Diagnose overflow
on TREE_OVERFLOW constants.
PR c++/70376
* cp-gimplify.c (genericize_omp_for_stmt): Don't walk OMP_FOR_CLAUSES
for OMP_TASKLOOP here.
(cp_genericize_r): Handle OMP_TASKLOOP like OMP_TASK, except do call
genericize_omp_for_stmt instead of cp_walk_tree on OMP_BODY.
2016-03-23 Alexandre Oliva <>
Jason Merrill <>
Jakub Jelinek <>
PR c++/69315
* cp-tree.h (defer_mark_used_calls, deferred_mark_used_calls): Remove.
* decl.c (defer_mark_used_calls, deferred_mark_used_calls): Remove.
(finish_function): Don't set or test them.
* decl2.c (mark_used): Don't handle defer_mark_used_calls.
2016-03-23 Jason Merrill <>
PR c++/70344
* constexpr.c (cxx_eval_call_expression): Catch invalid recursion.
2016-03-23 Marek Polacek <>
PR c++/69884
* pt.c (canonicalize_type_argument): Use OPT_Wignored_attributes.
2016-03-22 Ilya Enkovich <>
* call.c (build_conditional_expr_1): Always use original
condition type for vector type checks and build.
2016-03-22 Patrick Palka <>
PR c++/70096
* pt.c (tsubst_decl): Clear the DECL_MODE of the new decl.
2016-03-22 Patrick Palka <>
PR c++/70204
* constexpr.c (non_const_var_error): Check
2016-03-21 Richard Henderson <>
PR c++/70273
* decl.c (notice_forced_label_r): New.
(cp_finish_decl): Use it.
2016-03-21 Jason Merrill <>
PR c++/70285
* cp-gimplify.c (cp_fold) [COND_EXPR]: Handle bit-fields.
2016-03-18 Jason Merrill <>
PR c++/70139
* constexpr.c (cxx_eval_call_expression): Fix trivial copy.
PR c++/70147
* class.c (vptr_via_virtual_p): New.
(most_primary_binfo): Factor out of build_rtti_vtbl_entries.
* cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Don't clear
a vptr from any virtual base in a not-in-charge 'structor.
* decl.c (build_clobber_this): Factor out of
start_preparsed_function and begin_destructor_body. Handle
virtual bases better.
* class.c (build_if_in_charge): Split out from build_base_path.
* init.c (expand_virtual_init, expand_default_init): Use it.
* call.c (build_special_member_call): Use it.
2016-03-18 Jakub Jelinek <>
PR c++/70267
* init.c (build_new_1): Complain and return error_mark_node
if alloc_fn is not _Jv_AllocObject function returning pointer.
2016-03-18 Patrick Palka <>
PR c++/70205
* search.c (adjust_result_of_qualified_name_lookup): Don't
update the BASELINK_BINFO of DECL if the second call
to lookup_base fails.
2016-03-18 Patrick Palka <>
PR c++/70218
* parser.c (cp_parser_lambda_expression): Move call to
pop_deferring_access_checks ahead of the call to
2016-03-17 Jakub Jelinek <>
PR c++/70144
* cp-tree.h (magic_varargs_p): Return int instead of bool.
* call.c (magic_varargs_p): Return int instead of bool, return 2 for
Cilk+ reductions, otherwise 1 for magic varargs and 0 for normal
(build_over_call): If magic_varargs_p == 2, call reject_gcc_builtin,
if magic_varargs_p == 1, call decay_conversion
instead of mark_type_use. Don't store error_mark_node arguments to
argarray, instead return error_mark_node.
PR c++/70272
* decl.c (begin_destructor_body): Don't insert clobber if
is_empty_class (current_class_type).
2016-03-17 Marek Polacek <>
PR c++/70194
* typeck.c (warn_for_null_address): New function.
(cp_build_binary_op): Call it.
2016-03-16 Jason Merrill <>
PR c++/70259
* decl.c (start_preparsed_function): Don't clobber an empty base.
2016-03-16 Jakub Jelinek <>
PR c++/70147
* cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Conditionalize
BINFO_VIRTUAL_P vtable clearing on current_in_charge_parm.
PR c++/70147
* cp-ubsan.c (cp_ubsan_maybe_initialize_vtbl_ptrs): Temporarily
set in_base_initializer.
2016-03-15 Marek Polacek <>
PR c++/70209
* tree.c (strip_typedefs): Call strip_typedefs again on the
2016-03-15 Jason Merrill <>
PR c++/70095
* pt.c (instantiate_decl): Fix call to variable_template_p.
PR c++/70141
* pt.c (for_each_template_parm_r): Always walk into TYPENAME_TYPE.
2016-03-14 Casey Carter <>
Jason Merrill <>
P0184R0: Generalizing the Range-Based For Loop
* parser.c (cp_convert_range_for): Set the type of __end separately.
(cp_parser_perform_range_for_lookup): Allow different begin/end
types if they are comparable.
2016-03-12 Patrick Palka <>
PR c++/70106
* semantics.c (force_paren_expr): Just build a PAREN_EXPR when
processing_template_decl and EXPR is a SCOPE_REF.
2016-03-10 Patrick Palka <>
Jakub Jelinek <>
PR c++/70001
* constexpr.c (cxx_eval_vec_init_1): For pre_init case, reuse
return value from cxx_eval_constant_expression from earlier
elements if it is valid constant initializer requiring no
2016-03-10 Marek Polacek <>
PR c++/70153
* cp-gimplify.c (cp_fold): Handle UNARY_PLUS_EXPR.
2016-03-09 Cesar Philippidis <>
* parser.c (cp_parser_oacc_loop): Update cclauses and clauses
when calling c_finish_omp_clauses.
2016-03-08 Jason Merrill <>
* parser.c (cp_parser_diagnose_invalid_type_name): Give helpful
diagnostic for use of "concept".
(cp_parser_requires_clause_opt): And "requires".
(cp_parser_type_parameter, cp_parser_late_return_type_opt)
(cp_parser_explicit_template_declaration): Adjust.
* (check-c++-all): Add "concepts" to std list.
P0036R0: Unary Folds and Empty Parameter Packs
* pt.c (expand_empty_fold): Remove special cases for *,+,&,|.
2016-03-08 Jakub Jelinek <>
PR c++/70135
* constexpr.c (cxx_eval_loop_expr): Forget saved values of SAVE_EXPRs
even after the last iteration of the loop.
* decl.c (duplicate_decls): Fix spelling - becuase -> because.
2016-03-07 Patrick Palka <>
PR c++/66786
* pt.c (get_template_info): Handle PARM_DECL.
(template_class_depth): Check DECL_P instead of
2016-03-05 Jason Merrill <>
PR c++/67364
* constexpr.c (cxx_eval_store_expression): Replace
2016-03-05 Patrick Palka <>
PR c++/66786
* pt.c (template_class_depth): Given a lambda type, iterate
into its LAMBDA_TYPE_EXTRA_SCOPE field instead of its
TYPE_CONTEXT. Given a VAR_DECL, iterate into its
2016-03-04 Jason Merrill <>
PR c++/69203
* cp-tree.h (COND_EXPR_IS_VEC_DELETE): New.
* init.c (build_vec_delete_1): Set it.
* constexpr.c (potential_constant_expression_1) [COND_EXPR]: Check it.
2016-03-04 Jakub Jelinek <>
* decl.c (start_preparsed_function): Don't emit start clobber at the
start of constructor clones.
PR c++/70035
* cp-tree.h (cp_ubsan_maybe_initialize_vtbl_ptrs): New prototype.
* decl.c (start_preparsed_function): Call
cp_ubsan_maybe_initialize_vtbl_ptrs if needed.
* cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs,
cp_ubsan_maybe_initialize_vtbl_ptrs): New functions.
2016-03-04 Jason Merrill <>
PR c++/67364
* constexpr.c (cxx_eval_component_reference): Further tweak.
* constexpr.c (struct constexpr_ctx): Add save_exprs field.
(cxx_eval_loop_expr): Discard SAVE_EXPR values before looping.
(cxx_eval_constant_expression) [SAVE_EXPR]: Add it to the set.
(cxx_eval_outermost_constant_expr, is_sub_constant_expr): Initialize.
PR c++/70067
* tree.c (strip_typedefs): Handle TYPENAME_TYPE lookup finding the
same type.
2016-03-03 Jason Merrill <>
* method.c (synthesized_method_walk): operator= can also be constexpr.
* pt.c (tsubst_copy_and_build) [LAMBDA_EXPR]: Get
LAMBDA_EXPR_RETURN_TYPE from the instantiated closure.
PR c++/67164
* pt.c (copy_template_args): New.
(tsubst_pack_expansion): Use it.
* call.c (build_aggr_conv): Use get_nsdmi.
PR c++/51406
* typeck.c (build_static_cast_1): Avoid folding back to lvalue.
PR c++/67364
* constexpr.c (cxx_eval_component_reference): Just return an empty
CONSTRUCTOR for an empty class.
2016-03-01 Jason Merrill <>
PR c++/70036
* parser.c (cp_parser_requires_clause): Call
PR c++/51489
* constexpr.c (cxx_eval_binary_expression): Don't VERIFY_CONSTANT
the operands.
PR c++/69995
* constexpr.c (cxx_eval_call_expression): Unshare arg.
(cxx_eval_constant_expression) [DECL_EXPR]: Unshare init.
[TARGET_EXPR]: Unshare init.
2016-03-01 Patrick Palka <>
PR c++/68948
PR c++/69961
* pt.c (tsubst_baselink): Reinstate the check for an invalid
constructor call.
2016-02-28 Jason Merrill <>
PR c++/69995
* constexpr.c (cxx_eval_store_expression): Unshare init.
2016-02-26 Jason Merrill <>
PR c++/69958
* pt.c (make_argument_pack): New.
(tsubst_copy) [SIZEOF_EXPR]: Handle partial expansion.
(tsubst_copy_and_build): Likewise.
2016-02-25 Jason Merrill <>
PR c++/69889
* cp-tree.h (AGGR_INIT_FROM_THUNK_P): New.
* tree.c (build_aggr_init_expr): Set it.
* semantics.c (simplify_aggr_init_expr): Check it.
* cp-gimplify.c (cp_genericize_r): Don't walk into
a call/aggr_init from a thunk.
PR c++/69842
* method.c (forward_parm): Handle parameter packs.
* lambda.c (maybe_add_lambda_conv_op): Use it for them.
PR c++/67364
* constexpr.c (cxx_eval_component_reference): Don't complain about
unevaluated empty classes.
PR c++/68049
* tree.c (strip_typedefs): Use DECL_ORIGINAL_TYPE.
2016-02-25 Patrick Palka <>
PR c++/69736
* cp-tree.h (REF_PARENTHESIZED_P): Adjust documentation.
(maybe_undo_parenthesized_ref): Declare.
* semantics.c (maybe_undo_parenthesized_ref): Split out from
(finish_call_expr): Use it.
* typeck.c (check_return_expr): Use it.
* pt.c (tsubst_copy_and_build) [INDIRECT_REF]: Retain the
2016-02-24 Jakub Jelinek <>
PR c++/69922
* class.c (build_base_path): Set TREE_NO_WARNING on the null_test.
Avoid folding it.
* init.c (build_vec_delete_1, build_delete): Don't fold the non-NULL
* cp-gimplify.c (cp_fold): For TREE_NO_WARNING comparisons with NULL,
unless they are folded into INTEGER_CST, error_mark_node or some
comparison with NULL, avoid folding them and use either the original
comparison or non-folded comparison of folded arguments.
* cp-ubsan.c (cp_ubsan_instrument_vptr): Set TREE_NO_WARNING on the
comparison, don't fold the comparison right away.
2016-02-24 Jason Merrill <>
PR c++/69323
* friend.c (make_friend_class): Likewise.
* decl.c (lookup_and_check_tag): Diagnose invalid dependent friend.
2016-02-24 Jason Merrill <>
PR c++/69323
* pt.c (instantiate_class_template_1): Set
processing_template_decl before substituting friend_type.
016-02-24 Martin Sebor <>
PR c++/69912
* tree.c (build_ctor_subob_ref): Compare types' main variants
instead of the types as they are.
2016-02-24 Jason Merrill <>
* decl.c (start_preparsed_function): Condition ctor clobber on
flag_lifetime_dse > 1.
* cp-gimplify.c (cp_fold): Don't fold constexpr calls if -fno-inline.
2016-02-19 Jason Merrill <>
PR c++/69743
* call.c (remaining_arguments): No longer static.
* cp-tree.h: Declare it.
* pt.c (more_specialized_fn): Use it.
2016-02-19 Jakub Jelinek <>
Bernd Edlinger <>
* Invoke gperf with -L C++.
* cfns.gperf: Remove prototypes for hash and libc_name_p
* cfns.h: Regenerated.
* except.c (nothrow_libfn_p): Adjust.
2016-02-19 Jakub Jelinek <>
PR c++/69850
* rtti.c (ifnonnull): Set TREE_NO_WARNING on the condition, use
NE_EXPR instead of EQ_EXPR and swap last two arguments on COND_EXPR.
2016-02-19 Patrick Palka <>
PR c++/68948
* pt.c (tsubst_baselink): Don't diagnose an invalid constructor
call here.
* semantics.c (finish_call_expr): Don't assume a constructor
call is dependent if only the "this" pointer is dependent. When
building a constructor call, always use a dummy object.
2016-02-19 Jakub Jelinek <>
PR c++/69850
* init.c (build_vec_delete_1): Set TREE_NO_WARNING on the NE_EXPR
* cp-gimplify.c (cp_fold): Propagate TREE_NO_WARNING from binary
operators if folding preserved the binop, just with different
PR c++/67767
* parser.c (cp_parser_std_attribute_spec_seq): Don't assume
attr_spec is always single element chain, chain all the attributes
properly together in the right order.
2016-02-18 Jason Merrill <>
* mangle.c (maybe_check_abi_tags): Add for_decl parm. Call
(mangle_decl): Call maybe_check_abi_tags for function scope.
(mangle_guard_variable): Call maybe_check_abi_tags here.
(write_guarded_var_name): Not here.
2016-02-17 Jason Merrill <>
PR c++/65985
* constexpr.c (build_constexpr_constructor_member_initializers):
Handle an additional STATEMENT_LIST.
PR c++/68585
* constexpr.c (cxx_eval_bare_aggregate): Fix 'changed' detection.
PR c++/68679
* decl2.c (reset_type_linkage_2): Look through member templates.
2016-02-17 Jakub Jelinek <>
PR c++/69850
* init.c (build_delete): Set TREE_NO_WARNING on ifexp.
2016-02-17 Jason Merrill <>
PR c++/69842
* method.c (forward_parm): Split out from...
* lambda.c (maybe_add_lambda_conv_op): Use it.
2016-02-16 Jason Merrill <>
PR c++/10200
PR c++/69753
* call.c, cp-tree.h, name-lookup.c, pt.c, search.c, semantics.c,
tree.c, typeck2.c: Revert earlier changes.
* parser.c (cp_parser_lookup_name): Ignore namespace-scope
non-type templates after -> or .
2016-02-16 Jakub Jelinek <>
PR c/69835
* typeck.c (cp_build_binary_op): Revert 2015-09-09 change.
2016-02-16 Jason Merrill <>
PR c++/69657
* name-lookup.c (lookup_qualified_name): Add find_hidden parm.
(set_decl_namespace): Pass it. Complain about finding a hidden friend.
* name-lookup.h: Adjust.
2016-02-16 James Norris <>
* parser.c (cp_parser_oacc_data_clause_deviceptr): Remove checking.
* semantics.c (finish_omp_clauses): Add deviceptr checking.
2016-02-15 Jakub Jelinek <>
PR c++/69658
* init.c (expand_default_init): Only call reshape_init
in the direct-initialization from an initializer list case.
2016-02-15 Jason Merrill <>
PR c++/69753
* semantics.c (finish_call_expr): Implicit 'this' does not make
the call dependent.
* search.c (any_dependent_bases_p): Split out...
* name-lookup.c (do_class_using_decl): ...from here.
* call.c (build_new_method_call_1): Don't complain about missing object
if there are dependent bases. Tweak error.
* tree.c (non_static_member_function_p): Remove.
* pt.c (type_dependent_expression_p): A member template of a
dependent type is dependent.
* cp-tree.h: Adjust.
PR c++/68890
* constexpr.c (verify_ctor_sanity): Remove CONSTRUCTOR_NELTS check.
2016-02-12 Patrick Palka <>
PR c++/69098
* pt.c (lookup_and_finish_template_variable): New function,
extracted from ...
(tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: ... here. Use it.
(tsubst_qualified_id): Consider that EXPR might be a variable
* typeck.c (check_template_keyword): Don't emit an error
if DECL is a variable template.
2016-02-12 Jakub Jelinek <>
* error.c: Spelling fixes - behaviour -> behavior and
neighbour -> neighbor.
* decl.c: Likewise.
* typeck.c (cp_build_binary_op): Fix up behavior spelling in
* init.c (build_delete): Likewise.
2016-02-11 Jakub Jelinek <>
PR c/69768
* typeck.c (cp_build_binary_op): cp_fully_fold integer_zerop
arguments for -Waddress warning. Fix up formatting.
2016-02-11 Paolo Carlini <>
PR c++/68726
* pt.c (lookup_template_class_1): Check tsubst return value for
2016-02-10 Jason Merrill <>
PR c++/68926
* pt.c (resolve_nondeduced_context): Add complain parm.
(do_auto_deduction): Pass it.
* cvt.c (convert_to_void): Likewise.
* decl.c (cp_finish_decl): Likewise.
* init.c (build_new): Likewise.
* rtti.c (get_tinfo_decl_dynamic): Likewise.
* semantics.c (finish_decltype_type): Likewise.
* typeck.c (decay_conversion): Likewise.
* cp-tree.h: Adjust declaration.
* call.c (standard_conversion): Add complain parm, pass it along.
(implicit_conversion): Pass it.
PR c++/69657
* name-lookup.c (ambiguous_decl): Call remove_hidden_names.
(lookup_name_real_1): Likewise.
(remove_hidden_names): Handle non-functions too.
PR c++/10200
* parser.c (cp_parser_lookup_name): When looking for a template
after . or ->, only consider class templates.
(cp_parser_postfix_dot_deref_expression): Handle the current
instantiation. Remember a dependent object expression.
* typeck2.c (build_x_arrow): Handle the current instantiation.
* ptree.c (debug_tree): Implement for cp_expr.
2016-02-08 Patrick Palka <>
PR c++/69139
* parser.c (cp_parser_simple_type_specifier): Make the check
for disambiguating between an 'auto' placeholder and an implicit
template parameter more robust.
2016-02-08 Patrick Palka <>
PR c++/69283
PR c++/67835
* decl2.c (mark_used): When given a TEMPLATE_DECL, return after
setting its TREE_USED flag.
2016-02-08 Jason Merrill <>
PR c++/69657
* name-lookup.c (do_nonmember_using_decl): Leave anticipated
built-ins alone.
2016-02-08 Jakub Jelinek <>
PR c++/59627
* parser.c (cp_parser_omp_declare_reduction): Set assembler name
2016-02-08 Marek Polacek <>
PR c++/69688
* constexpr.c (clear_cv_and_fold_caches): Renamed from clear_cv_cache.
Call clear_fold_cache.
* cp-tree.h: Adjust declaration.
* decl.c (finish_enum_value_list): Call clear_cv_and_fold_caches
rather than clear_cv_cache and clear_fold_cache.
* typeck2.c (store_init_value): Call clear_cv_and_fold_caches.
2016-02-08 Jason Merrill <>
* cvt.c (convert): Pass CONV_BACKEND_CONVERT.
(ocp_convert): Use *_maybe_fold.
(cp_convert_to_pointer): Add dofold parameter.
* cp-gimplify.c (cp_fold) [CONVERT_EXPR]: Call convert.
2016-02-05 Martin Sebor <>
PR c++/69662
* init.c (find_field_init): New function.
(warn_placement_new_too_small): Call it. Handle one-element arrays
at ends of structures special.
2016-02-05 Jason Merrill <>
PR c++/68948
* semantics.c (finish_expr_stmt): If expr is error_mark_node,
make sure we've seen_error().
2016-02-05 Patrick Palka <>
PR c++/68948
* pt.c (tsubst_baselink): Diagnose an invalid constructor call
if lookup_fnfields returns NULL_TREE and the name being looked
up has the form A::A.
2016-02-04 Patrick Palka <>
* constexpr.c (cxx_eval_binary_expression): Fold equality
comparisons involving PTRMEM_CSTs.
2016-02-04 Jakub Jelinek <>
* class.c (find_flexarrays): Don't declare dom variable.
(diagnose_flexarray): Likewise.
2016-02-02 Martain Sebor <>
PR c++/69251
PR c++/69253
PR c++/69290
PR c++/69277
PR c++/69349
* class.c (walk_subobject_offsets): Avoid testing the upper bound
of a flexible array member for equality to null.
(find_flexarrays): Remove spurious whitespace introduced in r231665.
(diagnose_flexarrays): Avoid checking the upper bound of arrays.
(check_flexarrays): Same.
* decl.c (compute_array_index_type): Avoid special case for flexible
array members.
(grokdeclarator): Avoid calling compute_array_index_type for flexible
array members.
* error.c (dump_type_suffix): Revert changes introduced in r231665
and rendered unnecessary by the changes above.
* pt.c (tsubst): Same.
* tree.c (build_ctor_subob_ref): Handle flexible array members.
* typeck2.c (digest_init_r): Revert changes introduced in r231665.
(process_init_constructor_array): Same.
(process_init_constructor_record): Same.
2016-02-03 Patrick Palka <>
PR c++/69056
* pt.c (try_one_overload): Handle comparing argument packs so
that there is no conflict if we deduced more arguments of an
argument pack than were explicitly specified.
2016-01-31 Jakub Jelinek <>
Jason Merrill <>
PR c++/68763
* tree.c (strip_typedefs) [FUNCTION_TYPE]: Avoid building a new
function type if nothing is changing.
2016-01-31 Jason Merrill <>
PR c++/69009
* pt.c (partial_specialization_p, impartial_args): New.
(instantiate_decl): Call impartial_args.
* mangle.c (maybe_check_abi_tags): New.
(write_guarded_var_name): Call it.
(mangle_ref_init_variable): Call check_abi_tags.
* pt.c (lookup_template_class_1): Don't share TYPE_ATTRIBUTES
between template and instantiation.
2016-01-29 Jakub Jelinek <>
PR debug/66869
* decl.c (wrapup_globals_for_namespace): Warn about unused static
function declarations.
2016-01-29 Marek Polacek <>
PR c++/69509
PR c++/69516
* constexpr.c (cxx_eval_array_reference): Give the "array subscript
out of bound" error earlier.
* init.c (build_vec_init): Change NE_EXPR into GT_EXPR. Update the
2016-01-29 Patrick Palka <>
* name-lookup.c (begin_scope): After reusing a cp_binding_level
structure, update free_binding_level before the structure's
level_chain field gets cleared, not after.
2016-01-28 Jason Merrill <>
PR c++/67407
* search.c (dfs_walk_once, dfs_walk_once_r)
(dfs_walk_once_accessible_r, dfs_walk_once_accessible): Use
hash_set instead of BINFO_MARKED.
(dfs_unmark_r): Remove.
2016-01-28 Patrick Palka <>
PR c++/24208
* parser.c (LEXER_DEBUGGING_ENABLED_P): New macro.
(cp_lexer_debugging_p): Use it.
(cp_lexer_start_debugging): Likewise.
(cp_lexer_stop_debugging): Likewise.
2016-01-27 Marek Polacek <>
PR c/68062
* typeck.c (cp_build_binary_op): Promote operand to unsigned, if
needed. Add -Wsign-compare warning.
2016-01-27 Ryan Burn <>
PR cilkplus/69267
* cp-gimplify.c (cilk_cp_gimplify_call_params_in_spawned_fn): Removed
superfluous post_p argument in call to
2016-01-27 Marek Polacek <>
PR c++/69379
* constexpr.c (cxx_eval_constant_expression): Handle PTRMEM_CSTs
wrapped in NOP_EXPRs.
2016-01-27 Martin Sebor <>
PR c++/69317
* mangle.c (mangle_decl): Reference the correct (saved) version
of the ABI in -Wabi diagnostics.
2016-01-27 Marek Polacek <>
PR c++/69496
* constexpr.c (cxx_eval_array_reference): Evaluate the number of
elements of the array.
2016-01-26 Jason Merrill <>
PR c++/68949
* constexpr.c (register_constexpr_fundef): Keep the un-massaged body.
(cxx_eval_call_expression): Don't look through clones.
* optimize.c (maybe_clone_body): Clear DECL_SAVED_TREE of the alias.
* semantics.c (expand_or_defer_fn_1): Keep DECL_SAVED_TREE of
maybe-in-charge *tor.
2016-01-26 Jason Merrill <>
PR c++/68782
* constexpr.c (cxx_eval_bare_aggregate): Update TREE_CONSTANT
(cxx_eval_constant_expression) [CONSTRUCTOR]: Call
2016-01-26 Jakub Jelinek <>
PR c++/68357
* cp-gimplify.c (cp_fold): If some operand folds to error_mark_node,
return error_mark_node instead of building trees with error_mark_node
2016-01-26 David Malcolm <>
PR other/69006
* error.c (print_instantiation_partial_context_line): Add missing
newlines from output for the t == NULL case.
(print_instantiation_partial_context): Remove call to pp_newline.
2016-01-24 Patrick Palka <>
2016-01-18 Patrick Palka <>
PR c++/11858
PR c++/24663
PR c++/24664
* decl.c (grokdeclarator): Don't decay array parameter type to
a pointer type if it's dependent.
(grokparms): Invoke strip_top_quals instead of directly invoking
* pt.c (decay_dependent_array_parm_type): New static function.
(type_unification_real): Call decay_dependent_array_parm_type
to decay a dependent array parameter type to its corresponding
pointer type before unification.
(more_specialized_fn): Likewise.
(get_bindings): Likewise.
* tree.c (cp_build_qualified_type): Trivial typofix in
2016-01-23 Martin Sebor <>
PR c++/58109
PR c++/69022
* decl2.c (is_late_template_attribute): Handle dependent argument
to attribute align and attribute vector_size.
2016-01-21 Jason Merrill <>
PR c++/69392
* lambda.c (lambda_capture_field_type): Handle 'this' specially
for init-capture, too.
PR c++/65687
* decl.c (type_is_deprecated): Don't look into a typedef.
PR c++/40751
PR c++/64987
* decl.c (copy_type_enum): Respect TYPE_USER_ALIGN.
PR c++/43407
* decl.c (start_enum): Add attributes parameter.
* parser.c (cp_parser_enum_specifier): Pass it.
* pt.c (lookup_template_class_1): Pass it.
* cp-tree.h: Adjust.
2016-01-19 Jason Merrill <>
PR c++/59759
* pt.c (convert_template_argument): Handle VAR_DECL properly.
2016-01-19 Marek Polacek <>
PR c++/68586
* constexpr.c (clear_cv_cache): New.
* cp-gimplify.c (clear_fold_cache): New.
* cp-tree.h (clear_cv_cache, clear_fold_cache): Declare.
* decl.c (finish_enum_value_list): Call them.
PR c++/68965
* pt.c (tsubst_copy): Mark elements in expanded vector as used.
2016-01-18 Patrick Palka <>
PR c++/11858
PR c++/24663
PR c++/24664
* decl.c (grokdeclarator): Don't decay array parameter type to
a pointer type if it's dependent.
(grokparms): Invoke strip_top_quals instead of directly invoking
* pt.c (decay_dependent_array_parm_type): New static function.
(type_unification_real): Call decay_dependent_array_parm_type
to decay a dependent array parameter type to its corresponding
pointer type before unification.
(more_specialized_fn): Likewise.
(get_bindings): Likewise.
* tree.c (cp_build_qualified_type): Trivial typofix in
2016-01-18 Jason Merrill <>
* cp-gimplify.c (cp_fold) [CONSTRUCTOR]: Don't clobber the input.
* cp-gimplify.c (cp_fold): Remove unnecessary special cases.
PR c++/68767
* cp-gimplify.c (cp_fold) [COND_EXPR]: Simplify. Do fold COND_EXPR.
(contains_label_1, contains_label_p): Remove.
2016-01-16 Patrick Palka <>
PR c++/69091
* pt.c (type_dependent_expression_p): For a function template
specialization, a type is dependent iff any of its template
arguments are.
2016-01-16 Patrick Palka <>
* cp-array-notation.c (cp_expand_cond_array_notations): Return
error_mark_node only if find_rank failed, not if it was
2016-01-16 Patrick Palka <>
PR c++/68936
* tree.c (build_min_non_dep_call_vec): Don't retain the
KOENIG_LOOKUP_P flag of the non-dependent expression that's
been built.
(build_min_non_dep_op_overload): Instead, do it here.
2016-01-15 Jakub Jelinek <>
PR bootstrap/68271
* parser.h (cp_token): Remove pragma_kind field. Add comment
with number of unused bits.
* parser.c (eof_token): Remove pragma_kind field initializer.
(cp_lexer_get_preprocessor_token): Don't set pragma_kind
field, don't clear CPP_PRAGMA u.value.
(cp_parser_pragma_kind): New function.
(cp_parser_omp_sections_scope, cp_parser_oacc_kernels_parallel,
cp_parser_omp_construct, cp_parser_initial_pragma,
cp_parser_pragma): Use cp_parser_pragma_kind instead of accessing
pragma_kind field.
2016-01-15 Jason Merrill <>
PR c++/68847
* call.c (build_cxx_call): Use fold_non_dependent_expr.
* typeck2.c (cxx_incomplete_type_diagnostic): Use the location of
PR c++/69257
* typeck.c (decay_conversion): Don't call mark_rvalue_use for
array/function-to-pointer conversion. Call
complete_type_or_maybe_complain for lvalue-to-rvalue conversion.
* call.c (convert_like_real): Print call context if
decay_conversion errors.
2016-01-14 Tom de Vries <>
PR tree-optimization/68773
* parser.c (cp_parser_oacc_declare, cp_parser_omp_declare_target): Don't
set force_output.
2016-01-14 Jason Merrill <>
PR c++/69261
* constexpr.c (find_array_ctor_elt): Handle splitting RANGE_EXPR.
2016-01-12 Marek Polacek <>
PR c++/68979
* constexpr.c (cxx_eval_check_shift_p): Use permerror rather than
error_at and adjust the return value.
2016-01-12 Jakub Jelinek <>
PR objc++/68511
PR c++/69213
* cp-gimplify.c (cp_gimplify_expr) <case INIT_EXPR>: Don't return
GS_ERROR whenever seen_error (), only if *expr_p contains
cilk spawn stmt, but cilk_detect_spawn_and_unwrap failed.
PR c++/66808
PR c++/69000
* pt.c (tsubst_decl): If not local_p, clear DECL_TEMPLATE_INFO.
2016-01-11 Jason Merrill <>
PR c++/69131
* method.c (walk_field_subobs): Add dtor_from_ctor parm.
(process_subob_fn): Likewise. Don't consider triviality if true.
(synthesize_method_walk): Pass it.
2016-01-11 David Malcolm <dmalco