blob: 7aca3ac5c944160bddf98c559e7835e77ec7af72 [file] [log] [blame]
2016-12-24 Jakub Jelinek <jakub@redhat.com>
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 <jason@redhat.com>
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 <jakub@redhat.com>
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
ARRAY_REF.
2016-12-21 Jason Merrill <jason@redhat.com>
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
template.
(coerce_template_args_for_ttp): Split out from
lookup_template_class_1.
(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
any_targ_node.
* 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
spaces.
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
BOUND_TEMPLATE_TEMPLATE_PARM.
(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 <rguenther@suse.de>
PR c++/71694
* cp-objcp-common.h (cp_unit_size_without_reusable_padding): Declare.
(LANG_HOOKS_UNIT_SIZE_WITHOUT_REUSABLE_PADDING): Define.
* cp-objcp-common.c (cp_unit_size_without_reusable_padding): New.
2016-12-15 Jakub Jelinek <jakub@redhat.com>
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
error_mark_node.
(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 <nathan@acm.org>
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 <msebor@redhat.com>
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 <mjambor@suse.cz>
* parser.c: Include omp-general.h and omp-offload.h instead of
omp-low.h.
(cp_parser_omp_simd): Adjusted calls to find_omp_clause to use its new
name.
(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
names.
* semantics.c: Include omp-general insteda of omp-low.h.
(finish_omp_for): Adjusted calls to find_omp_clause to use its new
name.
(finish_omp_cancel): Likewise.
(finish_omp_cancellation_point): Likewise.
2016-12-14 Marek Polacek <polacek@redhat.com>
PR c++/72775
* init.c (perform_member_init): Diagnose member initializer for
flexible array member.
2016-12-14 Nathan Sidwell <nathan@acm.org>
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
TYPE_ALIAS_TEMPLATE_INFO for aliases.
2016-12-13 Nathan Sidwell <nathan@acm.org>
PR c++/69481
* cp-tree.h (TYPE_TEMPLATE_INFO): Remove alias type checking.
(TYPE_ALIAS_TEMPLATE_INFO): New.
(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 <paolo.carlini@oracle.com>
PR c++/78637
* parser.c (cp_parser_namespace_definition): Increment
nested_definition_count only if push_namespace succeeds.
2016-12-08 Nathan Sidwell <nathan@acm.org>
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 <jakub@redhat.com>
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 <mjambor@suse.cz>
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 <nathan@acm.org>
* 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 &
CPTI_DECLTYPE_AUTO_IDENTIFIER.
(auto_identifier, decltype_auto_identifier): New.
*decl.c (initialize_predefined_identifiers): Add 'auto' and
'decltype(auto)'.
(grokdeclarator): Use cached identifier.
* pt.c (make_decltype_auto, make_auto, make_constrained_auto,
is_auto): Likewise.
2016-12-02 Jakub Jelinek <jakub@redhat.com>
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 <cesar@codesourcery.com>
James Norris <jnorris@codesourcery.com>
* 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 <jason@redhat.com>
* 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
ctors.
2016-11-29 David Malcolm <dmalcolm@redhat.com>
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 <jakub@redhat.com>
Jason Merrill <jason@redhat.com>
PR c++/72808
* decl.c (finish_enum_value_list): Call fixup_type_variants on
current_class_type after
insert_late_enum_def_into_classtype_sorted_fields.
2016-11-28 Jakub Jelinek <jakub@redhat.com>
PR c++/77591
* typeck.c (maybe_warn_about_returning_address_of_local): Optimize
whats_returned through fold_for_warn.
2016-11-27 Jason Merrill <jason@redhat.com>
PR c++/77907
* constexpr.c (cxx_eval_constant_expression): Use cp_fold_convert.
2016-11-24 Martin Liska <mliska@suse.cz>
PR bootstrap/78493
* parser.c (cp_parser_range_for): Use safe_push instead of quick_push.
2016-11-23 Jakub Jelinek <jakub@redhat.com>
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 <bernd.edlinger@hotmail.de>
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 <jason@redhat.com>
PR objc++/78418 - ICE in string tests on darwin
* tree.c (lvalue_kind): Guard DECL_HAS_VALUE_EXPR_P.
2016-11-18 Jakub Jelinek <jakub@redhat.com>
PR c++/77285
* mangle.c (mangle_tls_init_fn, mangle_tls_wrapper_fn): Call
check_abi_tags.
2016-11-18 Jason Merrill <jason@redhat.com>
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 <richard.sandiford@arm.com>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
* 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 <jason@redhat.com>
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 <paolo.carlini@oracle.com>
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 <jason@redhat.com>
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 <jason@redhat.com>
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 <jakub@redhat.com>
* decl.c (cp_finish_decomp): For DECL_NAMESPACE_SCOPE_P decl,
set DECL_ASSEMBLER_NAME.
* 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 <jason@redhat.com>
PR c++/78358
* semantics.c (finish_decltype_type): Strip references for a tuple
decomposition.
* 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 <jason@redhat.com>
* 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
SET_DECL_DECOMPOSITION_P.
* semantics.c (finish_decltype_type): Adjust decomposition handling.
2016-11-13 Jakub Jelinek <jakub@redhat.com>
Jason Merrill <jason@redhat.com>
Implement P0217R3 - C++17 structured bindings
* cp-tree.h (struct lang_decl_base): Add decomposition_p.
(DECL_DECOMPOSITION_P): New
(enum auto_deduction_context): Add adc_decomp_type.
(enum cp_declarator_kind): Add cdk_decomp.
* constexpr.c (cxx_eval_constant_expression): Look through
DECL_VALUE_EXPR.
(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
OVERLOAD.
* 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 <jason@redhat.com>
* 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
TEMPLATE_ID_EXPR.
2016-11-13 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
PR c/35503
* parser.c (cp_parser_postfix_pexpression): Call warn_for_restrict.
2016-11-12 Jason Merrill <jason@redhat.com>
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
namespace.
(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 <jason@redhat.com>
PR c++/77337
* pt.c (tsubst_friend_function): Don't set DECL_INITIAL.
(instantiate_decl): It's OK to defer a constexpr function.
* cp-tree.h (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION): Check
DECL_LANG_SPECIFIC.
* 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 <jakub@redhat.com>
* mangle.c (mangle_decl): Only emit -Wc++1z-compat warnings for
public or external symbols.
2016-11-09 Jakub Jelinek <jakub@redhat.com>
PR c++/78283
* mangle.c (start_mangling): Reset G.need_cxx1z_warning.
2016-11-09 Jason Merrill <jason@redhat.com>
* 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
TEMPLATE_PARM_INDEX.
(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 <jason@redhat.com>
Implement P0012R1, Make exception specifications part of the type
system.
* 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
reference-related.
(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
tsubst_exception_specification.
(convert_nontype_argument_function): Handle function pointer
conversion.
(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 <paolo.carlini@oracle.com>
PR c++/67980
* pt.c (tsubst_expr, case IF_STMT): Use fold_non_dependent_expr
to suppress unwanted warnings.
2016-11-03 Jason Merrill <jason@redhat.com>
PR c++/78198
* call.c (convert_default_arg): Look through inheriting ctors.
2016-11-03 Jakub Jelinek <jakub@redhat.com>
Alexandre Oliva <aoliva@redhat.com>
Jason Merrill <jason@redhat.com>
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):
Declare.
(LANG_HOOKS_GET_DEBUG_TYPE, LANG_HOOKS_TYPE_DWARF_ATTRIBUTE):
Define.
2016-11-03 Jason Merrill <jason@redhat.com>
* 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 <jason@redhat.com>
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.
(SET_DECL_INHERITED_CTOR): Likewise.
(DECL_INHERITED_CTOR_BASE): Adjust.
* 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
inheritance.
* 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
ctor.
(fn_type_unification): Do deduction with inherited ctor.
* tree.c (special_function_p): Adjust.
2016-11-01 Jakub Jelinek <jakub@redhat.com>
* cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_inline.
2016-11-01 Jason Merrill <jason@redhat.com>
* class.c (declared_access): Split out from handle_using_decl.
2016-10-31 Jakub Jelinek <jakub@redhat.com>
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
FALLTHROUGH_LABEL_P flag to the new LABEL_DECL.
(tsubst_expr) <case LABEL_EXPR>: Likewise.
2016-09-11 Le-Chun Wu <lcwu@google.com>
Mark Wielaard <mjw@redhat.com>
* 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 <jason@redhat.com>
* class.c (add_method): Allow using-declarations to coexist.
2016-10-25 Jason Merrill <jason@redhat.com>
* constexpr.c (maybe_constant_init): Pull out TARGET_EXPR_INITIAL.
(cxx_eval_outermost_constant_expr): Don't return a CONSTRUCTOR
with CONSTRUCTOR_NO_IMPLICIT_ZERO.
(cxx_eval_call_expression): Clear CONSTRUCTOR_NO_IMPLICIT_ZERO.
2016-10-25 Jakub Jelinek <jakub@redhat.com>
* 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 <jakub@redhat.com>
* 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.
* constraint.cc (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 <jason@redhat.com>
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 <jakub@redhat.com>
* cp-objcp-common.c (cp_decl_dwarf_attribute): Handle
DW_AT_const_expr.
2016-10-17 Jakub Jelinek <jakub@redhat.com>
* cp-objcp-common.h (cp_function_decl_explicit_p,
cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
(cp_decl_dwarf_attribute): Declare.
(LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P,
LANG_HOOKS_FUNCTION_DECL_DELETED_P,
LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Remove.
(LANG_HOOKS_DECL_DWARF_ATTRIBUTE): Redefine.
* 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 <jason@redhat.com>
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 <jason@redhat.com>
Implement P0017R1, C++17 aggregates with bases.
* class.c (build_base_field_1): Split out from...
(build_base_field): ...here. 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 <jakub@redhat.com>
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 <msebor@redhat.com>
PR c++/71912
* class.c (struct flexmems_t): Add members.
(find_flexarrays): Add arguments. Correct handling of anonymous
structs.
(diagnose_flexarrays): Adjust to issue warnings in addition to errors.
(check_flexarrays): Add argument.
(diagnose_invalid_flexarray): New functions.
2016-10-13 Jakub Jelinek <jakub@redhat.com>
Jason Merrill <jason@redhat.com>
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.
(DECL_VAR_DECLARED_INLINE_P): Define.
(SET_DECL_VAR_DECLARED_INLINE_P): Define.
(DECL_INLINE_VAR_P): Define.
(diagnose_inline_vars_for_namespace): Declare.
* decl.c (diagnose_inline_vars_for_namespace): New function.
(duplicate_decls): For static data members copy
DECL_DECLARED_CONSTEXPR_P.
(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
are TREE_PUBLIC.
(check_static_variable_definition): Return early also for inline
variables.
(mark_inline_variable): New.
(grokdeclarator): Handle inline variables and inline static data
members.
* 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 <jason@redhat.com>
* decl.c (mark_inline_variable): New.
>>>>>>> .r241142
2016-10-13 Thomas Preud'homme <thomas.preudhomme@arm.com>
* decl2.c: Include memmodel.h.
* rtti.c: Likewise.
2016-10-11 Jason Merrill <jason@redhat.com>
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 <jason@redhat.com>
PR c++/77890
PR c++/77912
* pt.c (do_class_deduction): Set cp_unevaluated_operand.
(tsubst) [TEMPLATE_TYPE_PARM]: Copy CLASS_PLACEHOLDER_TEMPLATE.
2016-10-08 Jason Merrill <jason@redhat.com>
* cp-gimplify.c (cp_fold): Add variable name.
* cp-gimplify.c (cp_fold): Distribute cp_truthvalue_conversion
into COND_EXPR.
2016-10-07 Jason Merrill <jason@redhat.com>
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): ...here. 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 <nathan@acm.org>
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 <jakub@redhat.com>
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 <bernd.edlinger@hotmail.de>
PR c++/77700
* parser.c (cp_parser_base_specifier): Fix a warning.
2016-10-07 Bernd Schmidt <bschmidt@redhat.com>
PR c++/69733
* decl.c (grokdeclarator): Try to find the correct location for an
ignored qualifier.
2016-10-07 Martin Liska <mliska@suse.cz>
* lambda.c (maybe_add_lambda_conv_op): Set default value.
2016-10-06 Jason Merrill <jason@redhat.com>
* 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 <jakub@redhat.com>
Implement P0258R2 - helper for C++17
std::has_unique_object_representations trait
* cp-tree.h (enum cp_trait_kind): Add
CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
(struct lang_type_class): Add unique_obj_representations
and unique_obj_representations_set bitfields.
(CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS,
CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS_SET): Define.
(type_has_unique_obj_representations): Declare.
* parser.c (cp_parser_primary_expression): Handle
RID_HAS_UNIQUE_OBJ_REPRESENTATIONS.
(cp_parser_trait_expr): Likewise. Formatting fix.
* semantics.c (trait_expr_value, finish_trait_expr): Handle
CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
* 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
CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
2016-10-05 Jason Merrill <jason@redhat.com>
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 <polacek@redhat.com>
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
finish_for_init_stmt.
* 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_iteration_statement):
(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 <jason@redhat.com>
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.
* cp-tree.h (CLASS_PLACEHOLDER_TEMPLATE): New.
* 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 <msebor@redhat.com>
PR c++/77804
* init.c (warn_placement_new_too_small): Avoid assuming an array type
has a constant size.
2016-10-04 Jakub Jelinek <jakub@redhat.com>
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_*,
CPTI_LANG_NAME_JAVA and CPTI_JCLASS.
(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.
(TYPE_JAVA_INTERFACE): Remove.
(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 <polacek@redhat.com>
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 <bernd.edlinger@hotmail.de>
* parser.c (cp_parser_condition): Fix a warning.
2016-09-29 Jakub Jelinek <jakub@redhat.com>
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
extension.
(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 <polacek@redhat.com>
* rtti.c (involves_incomplete_p): Add fall through comment.
2016-09-28 Jakub Jelinek <jakub@redhat.com>
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 <jakub@redhat.com>
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 <nathan@acm.org>
* 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 <polacek@redhat.com>
PR c/7652
* parser.c (cp_parser_storage_class_specifier_opt): Add
gcc_fallthrough.
(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 <polacek@redhat.com>
PR c/7652
* constexpr.c (cxx_eval_internal_function): Handle IFN_FALLTHROUGH.
(potential_constant_expression_1): Likewise.
* constraint.cc (function_concept_check_p): Check fn for null.
* parser.c (cp_parser_expression_statement): Handle attribute
fallthrough.
(cp_parser_statement): Likewise.
(cp_parser_label_for_labeled_statement): Set FALLTHROUGH_LABEL_P on
labels.
(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
null.
2016-09-24 Marek Polacek <polacek@redhat.com>
PR c/77490
* typeck.c (cp_build_unary_op): Warn about bit not on expressions that
have boolean value.
2016-09-23 Jakub Jelinek <jakub@redhat.com>
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.
* Make-lang.in (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 <paolo.carlini@oracle.com>
PR c++/71979
* class.c (build_base_path): Allow for lookup_base returning
NULL_TREE.
2016-09-21 Jason Merrill <jason@redhat.com>
Core 903
* call.c (null_ptr_cst_p): Check char_type_p.
2016-09-21 Jakub Jelinek <jakub@redhat.com>
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 <jakub@redhat.com>
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
return.
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 <bernd.edlinger@hotmail.de>
PR c++/77434
* cvt.c (cp_convert_and_check): Suppress Wint-in-bool-context here.
2016-09-16 Patrick Palka <ppalka@gcc.gnu.org>
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 <jakub@redhat.com>
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 <jason@redhat.com>
* class.c (check_bases, set_one_vmethod_tm_attributes): Use
least_bit_hwi.
* decl.c (cxx_init_decl_processing): Use pow2p_hwi.
* parser.c (cp_parser_cilk_simd_vectorlength): Use pow2p_hwi.
2016-09-14 Jakub Jelinek <jakub@redhat.com>
PR c++/77549
* name-lookup.c (consider_binding_level): Look through TREE_LIST
and OVERLOAD.
2016-09-14 Marek Polacek <polacek@redhat.com>
* typeck.c (cp_build_unary_op): Diagnose incrementing boolean
expressions. Tweak an error message.
2016-09-14 Marek Polacek <polacek@redhat.com>
* cp-tree.h (cp_build_unary_op): Change nonconvert parameter type to
bool.
* 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 <jakub@redhat.com>
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 <dmalcolm@redhat.com>
* 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 <bernd.edlinger@hotmail.de>
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 <jason@redhat.com>
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
usual_deallocation_fn_p.
(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 <jakub@redhat.com>
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 <msebor@redhat.com>
* mangle.c: Increase buffer size to guarantee it fits the output
of the formatted function regardless of its arguments.
2016-09-01 Marek Polacek <polacek@redhat.com>
PR c/7652
* error.c (dump_type): Fix falls through comment.
(dump_decl): Likewise.
(dump_expr): Likewise.
2016-08-30 David Malcolm <dmalcolm@redhat.com>
* parser.c (cp_parser_enclosed_template_argument_list): Add fix-it
hint to ">>" within nested template argument list error.
2016-08-30 David Malcolm <dmalcolm@redhat.com>
* 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 <jason@redhat.com>
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 <jason@redhat.com>
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 <polacek@redhat.com>
* parser.c (cp_parser_binary_expression): Pass LHS to
warn_logical_not_parentheses.
2016-08-18 Marek Polacek <polacek@redhat.com>
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 <polacek@redhat.com>
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 <aoliva@redhat.com>
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.
(LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Redefine.
2016-08-11 Jakub Jelinek <jakub@redhat.com>
PR c++/72868
* constexpr.c (label_matches): Handle case range expressions.
2016-08-11 Jason Merrill <jason@redhat.com>
PR c++/73456
* logic.cc (non_atomic_constraint_p): Handle EXPR_PACK_EXPANSION.
2016-08-10 Jason Merrill <jason@redhat.com>
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 <jason@redhat.com>
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 <jakub@redhat.com>
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 <jason@redhat.com>
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
lambdas.
(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
STATIC_ASSERT, RANGE_FOR_STMT.
* 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_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR): New enumerator.
(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 <jason@redhat.com>
PR c++/67131
* class.c (is_really_empty_class): Call complete_type.
* constexpr.c (cxx_eval_constant_expression): Check
is_really_empty_class.
(potential_constant_expression_1): Likewise. Check for error type.
2016-08-08 Jakub Jelinek <jakub@redhat.com>
PR c++/58706
* parser.c: Include tree-iterator.h.
(cp_parser_omp_for_loop_init): Move lambda DECL_EXPRs from init
to FOR_BLOCK.
(cp_parser_omp_for_loop): Handle non-STATEMENT_LIST FOR_BLOCK
entries.
2016-08-06 Jonathan Wakely <jwakely@redhat.com>
* call.c (convert_like_real): Harmonize diagnostics for invalid
reference binding.
2016-08-05 Martin Sebor <msebor@redhat.com>
* 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 <nathan@acm.org>
PR c++/68724
* pt.c (unify): TRAIT_EXPR is an expr.
2016-08-04 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/72800
* lambda.c (add_capture): Check lambda_capture_field_type return
value for error_mark_node.
2016-08-04 Patrick Palka <ppalka@gcc.gnu.org>
PR c++/72759
* pt.c (tsubst_qualified_id): Return error_mark_node if
template_args is error_mark_node.
2016-08-04 Jason Merrill <jason@redhat.com>
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.
(TYPE_WAS_UNNAMED): Rename from TYPE_WAS_ANONYMOUS.
* 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 <thomas@codesourcery.com>
* 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
checking...
(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
parser->cilk_simd_fn_info->clauses.
(cp_parser_omp_declare_simd): Initialize
parser->omp_declare_simd->clauses.
(cp_parser_late_parsing_omp_declare_simd): Simplify code.
2016-08-04 Marek Polacek <polacek@redhat.com>
PR c++/70229
* constexpr.c (check_constexpr_ctor_body_1): Allow typedef
declarations.
2016-08-01 Jason Merrill <jason@redhat.com>
* mangle.c (mangle_decl): Warn about mangled name change even if
DECL_REALLY_EXTERN.
* 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 <msebor@redhat.com>
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 <polacek@redhat.com>
PR c/71926
* semantics.c (maybe_convert_cond): Use the location of COND for the
parentheses warning.
2016-07-29 Jason Merrill <jason@redhat.com>
* 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 <paolo.carlini@oracle.com>
PR c++/71665
* decl.c (build_enumerator): Check the type of the enumerator before
calling cxx_constant_value.
2016-07-27 Jason Merrill <jason@redhat.com>
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 <jason@redhat.com>
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 <jason@redhat.com>
PR c++/71515
* pt.c (resolve_typename_type): Try to avoid calling
currently_open_class.
2016-07-23 Jason Merrill <jason@redhat.com>
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
BOUND_TEMPLATE_TEMPLATE_PARM.
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 <jason@redhat.com>
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
destructors.
2016-07-21 Jason Merrill <jason@redhat.com>
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 <jakub@redhat.com>
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 <rguenther@suse.de>
* vtable-class-hierarchy.c (vtv_generate_init_routine): Set
DECL_IGNORED_P.
2016-07-21 Jakub Jelinek <jakub@redhat.com>
PR c++/71941
* cp-gimplify.c (cp_genericize): For nested cp_genericize calls
save/restore bc_label array.
2016-07-21 Jason Merrill <jason@redhat.com>
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 <andrew.n.sutton@gmail.com>
Jason Merrill <jason@redhat.com>
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.
(CHECK_CONSTR_ARGS): New.
* constraint.cc (make_predicate_constraint): Remove in favor of
normalize_expression.
(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
concepts.
(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
references.
(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
assumptions.
(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_implicit_conversion_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
substitutions.
(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.
* logic.cc (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
satisfied.
(non_atomic_constraint_p): New.
(any_non_atomic_constraints_p): New.
(...rest...): 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
message.
(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
expansion.
(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
specialization.
(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 <dmalcolm@redhat.com>
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
lookup_name_fuzzy.
* 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 <jakub@redhat.com>
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 <jason@redhat.com>
PR c++/67164
* pt.c (iterative_hash_template_arg, template_args_equal): Don't
handle ARGUMENT_PACK_SELECT.
2016-07-18 Jakub Jelinek <jakub@redhat.com>
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
DECL_SIZE_UNIT.
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 <jason@redhat.com>
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
for-range-declaration.
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 <cesar@codesourcery.com>
* parser.c (cp_parser_oacc_declare): Don't scan for
GOMP_MAP_POINTER.
* semantics.c (handle_omp_array_sections): Mark data clauses with
GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
zero-length subarrays.
2016-07-11 Jason Merrill <jason@redhat.com>
* decl.c (store_parm_decls): Remove check for void parm.
2016-07-08 Jason Merrill <jason@redhat.com>
* 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
real_lvalue_p.
* 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 <jakub@redhat.com>
Kai Tietz <ktietz70@googlemail.com>
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 <dmalcolm@redhat.com>
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 <jbeulich@suse.com>
* lang-specs.h ("@c++-header"): Conditionalize "-o".
2016-06-29 Thomas Schwinge <thomas@codesourcery.com>
* 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 <jakub@redhat.com>
* Make-lang.in: Don't cat ../stage_current if it does not exist.
2016-06-24 Jason Merrill <jason@redhat.com>
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 <jakub@redhat.com>
* call.c (magic_varargs_p): Return 3 for __builtin_*_overflow_p.
(build_over_call): For magic == 3, do no conversion only on 3rd
argument.
2016-06-23 Andi Kleen <ak@linux.intel.com>
* Make-lang.in: Add support for autofdo.
2016-06-21 Jason Merrill <jason@redhat.com>
* constraint.cc (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 <dmalcolm@redhat.com>
* 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
diagnostic.
2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
* 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 <jakub@redhat.com>
* tree.c (builtin_valid_in_constant_expr_p): Test for
DECL_BUILT_IN_CLASS equal to BUILT_IN_NORMAL instead of just
DECL_BUILT_IN.
(bot_manip): Likewise.
* call.c (magic_varargs_p): Likewise.
2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (grokfndecl): Change pair of errors to error + inform.
2016-06-17 Jason Merrill <jason@redhat.com>
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 <jakub@redhat.com>
* 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 <jakub@redhat.com>
* 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 <paolo.carlini@oracle.com>
* 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 <paolo.carlini@oracle.com>
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 <dmalcolm@redhat.com>
* search.c: Include spellcheck-tree.h rather than spellcheck.h.
2016-06-14 David Malcolm <dmalcolm@redhat.com>
* 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 <jason@redhat.com>
P0145R2: Refining Expression Order for C++.
* cp-tree.h (CALL_EXPR_OPERATOR_SYNTAX, CALL_EXPR_ORDERED_ARGS)
(CALL_EXPR_REVERSE_ARGS): New.
* 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 <jakub@redhat.com>
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 <paolo.carlini@oracle.com>
* typeck2.c (digest_init_r): Use EXPR_LOC_OR_LOC on init.
2016-06-13 Paolo Carlini <paolo.carlini@oracle.com>
* decl.c (grokdeclarator): Fix typo in pedwarn text.
2016-06-10 Thomas Schwinge <thomas@codesourcery.com>
PR c/71381
* parser.c (cp_parser_omp_var_list_no_open) <OMP_CLAUSE__CACHE_>:
Loosen checking.
2016-06-09 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/71465
Revert:
2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
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 <paolo.carlini@oracle.com>
* decl.c (maybe_deduce_size_from_array_init): Use
DECL_SOURCE_LOCATION in error_at.
(layout_var_decl): Likewise.
(check_array_initializer): Likewise.
(check_initializer): Likewise.
(duplicate_decls, check_elaborated_type_specifier): Tidy.
2016-06-08 Martin Sebor <msebor@redhat.com>
Jakub Jelinek <jakub@redhat.com>
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
BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
* 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 <jakub@redhat.com>
PR c++/71442
* pt.c (tsubst_copy): Only set TREE_USED on DECLs.
2016-06-06 Jakub Jelinek <jakub@redhat.com>
Patrick Palka <ppalka@gcc.gnu.org>
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 <paolo.carlini@oracle.com>
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 <ppalka@gcc.gnu.org>
PR c++/27100
* decl.c (duplicate_decls): Properly copy the
DECL_PENDING_INLINE_P, DECL_PENDING_INLINE_INFO and
DECL_SAVED_FUNCTION_DATA fields from OLDDECL to NEWDECL.
2016-06-03 Chung-Lin Tang <cltang@codesourcery.com>
* semantics.c (finish_omp_clauses): Mark OpenACC reduction
arguments as addressable when async clause exists.
2016-06-02 Jan Hubicka <jh@suse.cz>
* cp-gimplify.c (genericize_continue_stmt): Force addition of
predict stmt.
2016-06-02 Paolo Carlini <paolo.carlini@oracle.com>
* 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 <jakub@redhat.com>
PR c++/71372
* cp-gimplify.c (cp_fold): For INDIRECT_REF, if the folded expression
is INDIRECT_REF or MEM_REF, copy over TREE_READONLY, TREE_SIDE_EFFECTS
and TREE_THIS_VOLATILE flags. For ARRAY_REF and ARRAY_RANGE_REF, copy
over TREE_READONLY, TREE_SIDE_EFFECTS and TREE_THIS_VOLATILE flags
to the newly built tree.
2016-05-31 Jason Merrill <jason@redhat.com>
* 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 <paolo.carlini@oracle.com>
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 <msebor@redhat.com>
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 <jakub@redhat.com>
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 <paolo.carlini@oracle.com>
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 <paolo.carlini@oracle.com>
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 <paolo.carlini@oracle.com>
PR c++/71105
* lambda.c (maybe_add_lambda_conv_op): Early return also when
LAMBDA_EXPR_DEFAULT_CAPTURE_MODE != CPLD_NONE.
2016-05-28 Ville Voutilainen <ville.voutilainen@gmail.com>
Revert:
PR c++/69855
* name-lookup.c (pushdecl_maybe_friend_1): Push local function
decls into the global scope after stripping template bits
and setting DECL_ANTICIPATED.
2016-05-27 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/60385
* name-lookup.c (push_namespace): Return bool, false when pushdecl
fails.
* name-lookup.h (push_namespace): Adjust declaration.
* parser.c (cp_parser_namespace_definition): Check push_namespace
return value.
2016-05-27 Ville Voutilainen <ville.voutilainen@gmail.com>
PR c++/69855
* name-lookup.c (pushdecl_maybe_friend_1): Push local function
decls into the global scope after stripping template bits
and setting DECL_ANTICIPATED.
2016-05-26 Jakub Jelinek <jakub@redhat.com>
* 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 <ppalka@gcc.gnu.org>
PR c++/70822
PR c++/70106
* cp-tree.h (REF_PARENTHESIZED_P): Make this flag apply to
SCOPE_REFs too.
* pt.c (tsubst_qualified_id): If REF_PARENTHESIZED_P is set
on the qualified_id then propagate it to the resulting
expression.
(do_auto_deduction): Check REF_PARENTHESIZED_P on SCOPE_REFs
too.
* semantics.c (force_paren_expr): If given a SCOPE_REF, just set
its REF_PARENTHESIZED_P flag.
2016-05-25 Jason Merrill <jason@redhat.com>
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 <cesar@codesourcery.com>
* parser.c (cp_parser_oacc_declare): Add support for
GOMP_MAP_FIRSTPRIVATE_POINTER.
* 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 <jason@redhat.com>
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 <msebor@redhat.com>
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 <paolo.carlini@oracle.com>
PR c++/69872
* typeck2.c (check_narrowing): Check pedwarn return value.
2016-05-24 Jakub Jelinek <jakub@redhat.com>
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 <rguenther@suse.de>
PR middle-end/70434
PR c/69504
* expr.c (mark_exp_read): Handle VIEW_CONVERT_EXPR.
* constexpr.c (cxx_eval_array_reference): Handle indexed
vectors.
* typeck.c (cp_build_array_ref): Adjust.
2016-05-23 Jason Merrill <jason@redhat.com>
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
maybe_undo_parenthesized_ref.
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
function.
2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/70972
* method.c (forward_parm): Use cp_build_reference_type.
2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/69095
* parser.c (cp_parser_initializer): Use check_for_bare_parameter_packs.
2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
* pt.c (check_for_bare_parameter_packs): Improve error message
location for expressions.
2016-05-20 Nathan Sidwell <nathan@acm.org>
* constexpr.c (cxx_bind_parameters_in_call): Avoid gratuitous if
... goto.
(cxx_eval_call_expression): Fix comment grammar.
2016-05-20 Paolo Carlini <paolo.carlini@oracle.com>
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 <polacek@redhat.com>
PR c++/71075
* pt.c (unify_template_argument_mismatch): Use %qE instead of %qD.
2016-05-19 Jason Merrill <jason@redhat.com>
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 <dmalcolm@redhat.com>
PR c++/71184
* parser.c (cp_parser_operator): For array new/delete, check that
cp_parser_require returned a non-NULL token before dereferencing
it.
2016-05-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
* decl.c (finish_enum_value_list): Use the specified mode.
2016-05-18 Jason Merrill <jason@redhat.com>
* pt.c (value_dependent_expression_p): Tweak new cases to better
match the wording in the standard.
2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
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 <paolo.carlini@oracle.com>
PR c++/70466
* call.c (convert_like_real): Check that we are actually converting
from an init list.
2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
* decl.c (grokdeclarator): Remove errmsg and use of
targetm.invalid_return_type.
(grokparms): Remove errmsg and use of
targetm.invalid_parameter_type.
2016-05-13 Jason Merrill <jason@redhat.com>
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): ...here.
* 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 <polacek@redhat.com>
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
overloads.
* cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Pass INPUT_LOCATION to
cp_build_modify_expr.
* 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.
(cp_pointer_int_sum): Add location parameter. Pass it down to
pointer_int_sum.
(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 <polacek@redhat.com>
PR c++/71024
* decl.c (duplicate_decls): Call diagnose_mismatched_decls.
2016-05-05 Jakub Jelinek <jakub@redhat.com>
* 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 <polacek@redhat.com>
* parser.c (cp_parser_selection_statement): Replace OPT_Wparentheses
with OPT_Wdangling_else.
2016-05-03 Martin Sebor <msebor@redhat.com>
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 <polacek@redhat.com>
PR c/70859
* call.c (build_cxx_call): Pass location and vNULL down to
check_builtin_function_arguments.
2016-05-03 Richard Biener <rguenther@suse.de>
* Make-lang.in (cc1plus-checksum.c): For stage-final re-use
the checksum from the previous stage.
2016-05-02 David Malcolm <dmalcolm@redhat.com>
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 <cesar@codesourcery.com>
* cp-tree.h (finish_omp_clauses): Update prototype.
* parser.c (cp_parser_oacc_all_clauses): Update call to
finish_omp_clauses.
(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_omp_declare_target):
(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 <dmalcolm@redhat.com>
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 <richard.sandiford@arm.com>
* init.c (build_new_1): Use shift operators instead of wi:: shifts.
2016-05-02 Richard Biener <rguenther@suse.de>
* decl.c (grokdeclarator): Properly insert a DECL_EXPR for
anonymous VLAs.
2016-04-29 Paolo Carlini <paolo.carlini@oracle.com>
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 <cesar@codesourcery.com>
PR middle-end/70626
* parser.c (cp_parser_oacc_loop): Don't augment mask with
OACC_LOOP_CLAUSE_MASK.
(cp_parser_oacc_kernels_parallel): Update call to
c_oacc_split_loop_clauses.
2016-04-28 Jason Merrill <jason@redhat.com>
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 <contact@rnburn.com>
Jeff Law <law@redhat.com>
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 <nathan@acm.org>
* 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 <bschmidt@redhat.com>
* parser.c (cp_parser_postfix_expression): Call
warn_for_memset instead of warning directly here.
2016-04-26 Patrick Palka <ppalka@gcc.gnu.org>
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 <polacek@redhat.com>
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
stabilize_reference.
(unary_complex_lvalue): Likewise.
(cp_build_modify_expr): Likewise.
2016-04-26 Jakub Jelinek <jakub@redhat.com>
PR bootstrap/70704
* pt.c (build_non_dependent_expr): Use flag_checking > 1 instead of
just flag_checking.
2016-04-25 Jason Merrill <jason@redhat.com>
* tree.c (std_attribute_table): New.
(init_tree): Register it.
2016-04-22 Jason Merrill <jason@redhat.com>
* parser.c (cp_parser_perform_range_for_lookup): Decay the array.
2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
* name-lookup.c (free_saved_scope): New free list of saved_scope
structures.
(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 <paolo.carlini@oracle.com>
PR c++/70540
* semantics.c (process_outer_var_ref): Unconditionally return
error_mark_node when mark_used returns false.
2016-04-21 Marek Polacek <polacek@redhat.com>
PR c++/70513
* parser.c (cp_parser_enum_specifier): Check and possibly error for
extra qualification.
2016-04-20 Nathan Sidwell <nathan@acm.org>
PR c++/55635
* init.c (build_vec_delete_1): Protect operator delete call in try
finally.
(build_delete): Likewise.
* optimize.c (build_delete_destructor_body): Likewise.
2016-04-20 Ilya Verbin <ilya.verbin@intel.com>
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 <nathan@acm.org>
* semantics.c (finish_compound_lteral): Don't wrap VECTOR_TYPEs in a
TARGET_EXPR.
2016-04-19 Jason Merrill <jason@redhat.com>
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
of COMPOUND_EXPR.
PR c++/68206
PR c++/68530
* constexpr.c (potential_constant_expression_1): Handle LOOP_EXPR
and GOTO_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 <matz@suse.de>
* 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 <jason@redhat.com>
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 <sandra@codesourcery.com>
PR target/1078
* tree.c (cxx_attribute_table): Remove "com_interface" entry.
(handle_com_interface_attribute): Delete.
2016-04-15 Jason Merrill <jason@redhat.com>
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 <jason@redhat.com>
Nathan Sidwell <nathan@acm.org>
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 <jakub@redhat.com>
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_statement.
(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
calls.
2016-04-14 Jason Merrill <jason@redhat.com>
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
CONSTRUCTOR_NO_IMPLICIT_ZERO.
2016-04-14 Martin Sebor <msebor@redhat.com>
PR c++/69517
PR c++/70019
PR c++/70588
* cp-tree.h, decl.c, init.c, typeck2.c: Revert.
2016-04-14 Jason Merrill <jason@redhat.com>
* call.c, decl.c, error.c, cp-tree.h, decl.c: Revert empty
parameter ABI change.
2016-04-13 Martin Sebor <msebor@redhat.com>
PR c++/69517
PR c++/70019
PR c++/70588
* cp-tree.h (throw_bad_array_length, build_vla_check): Declare new
functions.
* 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 <jason@redhat.com>
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 <jason@redhat.com>
PR c++/70627
* decl.c (start_enum): Don't change an existing ENUM_UNDERLYING_TYPE.
2016-04-13 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/70635
* pt.c (resolve_typename_type): Fix typos in infinite recursion
avoidance mechanism.
2016-04-13 Jason Merrill <jason@redhat.com>
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
them.
* cp-tree.h: Declare them.
2016-04-13 Jakub Jelinek <jakub@redhat.com>
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 <jason@redhat.com>
PR c++/70615
* cp-gimplify.c (cp_genericize_r): Expand PTRMEM_CST here.
(cp_gimplify_expr): Not here.
2016-04-12 Patrick Palka <ppalka@gcc.gnu.org>
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 <jason@redhat.com>
* 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 <paolo.carlini@oracle.com>
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 <nathan@acm.org>
PR c++/70501
* constexpr.c (cxx_eval_bare_aggregate): Handle VECTOR_TYPE
similarly to PMF.
2016-04-11 Jason Merrill <jason@redhat.com>
* mangle.c (decl_is_template_id): The template itself counts as a
template-id.
2016-04-08 Patrick Palka <ppalka@gcc.gnu.org>
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 <ppalka@gcc.gnu.org>
PR c++/70452
* constexpr.c (find_constructor): New function.
(unshare_constructor): New function.
(cxx_eval_call_expression): Use unshare_constructor instead of
unshare_expr.
(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 <ppalka@gcc.gnu.org>
PR c/70436
* cp-tree.h (FOR_EACH_CLONE): Restructure macro to avoid
potentially generating a future -Wparentheses warning in its
callers.
2016-04-06 Jason Merrill <jason@redhat.com>
* class.c (check_abi_tags): Fix function template handling.
2016-04-05 Nathan Sidwell <nathan@acm.org>
PR c++/70512
* class.c (fixup_may_alias): New.
(fixup_attribute_variants): Call it.
2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
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
save_fundef_copy.
(constexpr_call_table): Add "deletable" GTY marker.
2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
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 <msebor@redhat.com>
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 <jason@redhat.com>
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 <jakub@redhat.com>
Marek Polacek <polacek@redhat.com>
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 <nathan@acm.org>
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 <nathan@acm.org>
* decl.c (start_preparsed_function): Remove unnecessary bracing.
(finish_destructor_body): Don't emit operator delete here.
2016-03-31 Nathan Sidwell <nathan@acm.org>
PR c++/70393
* constexpr.c (cxx_eval_store_expression): Keep CONSTRUCTOR
elements in field order.
2016-03-31 Marek Polacek <polacek@redhat.com>
PR c/70297
* decl.c (duplicate_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN.
2016-03-31 Richard Biener <rguenther@suse.de>
PR c++/70430
* typeck.c (cp_build_binary_op): Fix operand order of vector
conditional in truth op handling.
2016-03-29 Jason Merrill <jason@redhat.com>
PR c++/70353
* decl.c (make_rtl_for_nonlocal_decl): Don't defer local statics
in constexpr functions.
2016-03-28 Jason Merrill <jason@redhat.com>
PR c++/70422
PR c++/64266
PR c++/70353
* decl.c, pt.c, constexpr.c: Revert last patch.
2016-03-25 Jason Merrill <jason@redhat.com>
Martin Liška <mliska@suse.cz>
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,
DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
Don't call cp_finish_decl.
* pt.c (tsubst_expr) [DECL_EXPR]: Set DECL_VALUE_EXPR,
DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P. Don't call cp_finish_decl.
* constexpr.c (cxx_eval_constant_expression) [VAR_DECL]:
Handle DECL_VALUE_EXPR.
2016-03-24 Jason Merrill <jason@redhat.com>
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
*overflow_p.
2016-03-24 Patrick Palka <ppalka@gcc.gnu.org>
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 <ppalka@gcc.gnu.org>
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 <ppalka@gcc.gnu.org>
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 <jakub@redhat.com>
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 <aoliva@redhat.com>
Jason Merrill <jason@redhat.com>
Jakub Jelinek <jakub@redhat.com>
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 <jason@redhat.com>
PR c++/70344
* constexpr.c (cxx_eval_call_expression): Catch invalid recursion.
2016-03-23 Marek Polacek <polacek@redhat.com>
PR c++/69884
* pt.c (canonicalize_type_argument): Use OPT_Wignored_attributes.
2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
* call.c (build_conditional_expr_1): Always use original
condition type for vector type checks and build.
2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
PR c++/70096
* pt.c (tsubst_decl): Clear the DECL_MODE of the new decl.
2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
PR c++/70204
* constexpr.c (non_const_var_error): Check
DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
2016-03-21 Richard Henderson <rth@redhat.com>
PR c++/70273
* decl.c (notice_forced_label_r): New.
(cp_finish_decl): Use it.
2016-03-21 Jason Merrill <jason@redhat.com>
PR c++/70285
* cp-gimplify.c (cp_fold) [COND_EXPR]: Handle bit-fields.
2016-03-18 Jason Merrill <jason@redhat.com>
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 <jakub@redhat.com>
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 <ppalka@gcc.gnu.org>
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 <ppalka@gcc.gnu.org>
PR c++/70218
* parser.c (cp_parser_lambda_expression): Move call to
pop_deferring_access_checks ahead of the call to
cp_parser_end_tentative_firewall.
2016-03-17 Jakub Jelinek <jakub@redhat.com>
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
varargs.
(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 <polacek@redhat.com>
PR c++/70194
* typeck.c (warn_for_null_address): New function.
(cp_build_binary_op): Call it.
2016-03-16 Jason Merrill <jason@redhat.com>
PR c++/70259
* decl.c (start_preparsed_function): Don't clobber an empty base.
2016-03-16 Jakub Jelinek <jakub@redhat.com>
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 <polacek@redhat.com>
PR c++/70209
* tree.c (strip_typedefs): Call strip_typedefs again on the
DECL_ORIGINAL_TYPE result.
2016-03-15 Jason Merrill <jason@redhat.com>
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 <casey@carter.net>
Jason Merrill <jason@redhat.com>
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 <ppalka@gcc.gnu.org>
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 <ppalka@gcc.gnu.org>
Jakub Jelinek <jakub@redhat.com>
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
relocations.
2016-03-10 Marek Polacek <polacek@redhat.com>
PR c++/70153
* cp-gimplify.c (cp_fold): Handle UNARY_PLUS_EXPR.
2016-03-09 Cesar Philippidis <cesar@codesourcery.com>
* parser.c (cp_parser_oacc_loop): Update cclauses and clauses
when calling c_finish_omp_clauses.
2016-03-08 Jason Merrill <jason@redhat.com>
* 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.
* Make-lang.in (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 <jakub@redhat.com>
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 <ppalka@gcc.gnu.org>
PR c++/66786
* pt.c (get_template_info): Handle PARM_DECL.
(template_class_depth): Check DECL_P instead of
VAR_OR_FUNCTION_DECL_P.
2016-03-05 Jason Merrill <jason@redhat.com>
PR c++/67364
* constexpr.c (cxx_eval_store_expression): Replace
CONSTRUCTOR_ELTS in nested CONSTRUCTORs, too.
2016-03-05 Patrick Palka <ppalka@gcc.gnu.org>
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
CP_DECL_CONTEXT.
2016-03-04 Jason Merrill <jason@redhat.com>
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 <jakub@redhat.com>
* 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 <jason@redhat.com>
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 <jason@redhat.com>
* 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 <jason@redhat.com>
PR c++/70036
* parser.c (cp_parser_requires_clause): Call
check_for_bare_parameter_packs.
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 <ppalka@gcc.gnu.org>
PR c++/68948
PR c++/69961
* pt.c (tsubst_baselink): Reinstate the check for an invalid
constructor call.
2016-02-28 Jason Merrill <jason@redhat.com>
PR c++/69995
* constexpr.c (cxx_eval_store_expression): Unshare init.
2016-02-26 Jason Merrill <jason@redhat.com>
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 <jason@redhat.com>
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 <ppalka@gcc.gnu.org>
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
check_return_expr.
(finish_call_expr): Use it.
* typeck.c (check_return_expr): Use it.
* pt.c (tsubst_copy_and_build) [INDIRECT_REF]: Retain the
REF_PARENTHESIZED_P flag.
2016-02-24 Jakub Jelinek <jakub@redhat.com>
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
tests.
* 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 <jason@redhat.com>
PR c++/69323
* friend.c (make_friend_class): Likewise.
* decl.c (lookup_and_check_tag): Diagnose invalid dependent friend.
2016-02-24 Jason Merrill <jason@redhat.com>
PR c++/69323
* pt.c (instantiate_class_template_1): Set
processing_template_decl before substituting friend_type.
016-02-24 Martin Sebor <msebor@redhat.com>
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 <jason@redhat.com>
* 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 <jason@redhat.com>
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 <jakub@redhat.com>
Bernd Edlinger <bernd.edlinger@hotmail.de>
* Make-lang.in: Invoke gperf with -L C++.
* cfns.gperf: Remove prototypes for hash and libc_name_p
inlines.
* cfns.h: Regenerated.
* except.c (nothrow_libfn_p): Adjust.
2016-02-19 Jakub Jelinek <jakub@redhat.com>
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 <ppalka@gcc.gnu.org>
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 <jakub@redhat.com>
PR c++/69850
* init.c (build_vec_delete_1): Set TREE_NO_WARNING on the NE_EXPR
condition.
* cp-gimplify.c (cp_fold): Propagate TREE_NO_WARNING from binary
operators if folding preserved the binop, just with different
arguments.
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 <jason@redhat.com>
* mangle.c (maybe_check_abi_tags): Add for_decl parm. Call
mangle_decl.
(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 <jason@redhat.com>
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 <jakub@redhat.com>
PR c++/69850
* init.c (build_delete): Set TREE_NO_WARNING on ifexp.
2016-02-17 Jason Merrill <jason@redhat.com>
PR c++/69842
* method.c (forward_parm): Split out from...
(add_one_base_init): ...here.
* lambda.c (maybe_add_lambda_conv_op): Use it.
2016-02-16 Jason Merrill <jason@redhat.com>
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 <jakub@redhat.com>
PR c/69835
* typeck.c (cp_build_binary_op): Revert 2015-09-09 change.
2016-02-16 Jason Merrill <jason@redhat.com>
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 <jnorris@codesourcery.com>
* parser.c (cp_parser_oacc_data_clause_deviceptr): Remove checking.
* semantics.c (finish_omp_clauses): Add deviceptr checking.
2016-02-15 Jakub Jelinek <jakub@redhat.com>
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 <jason@redhat.com>
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 <ppalka@gcc.gnu.org>
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
template.
* typeck.c (check_template_keyword): Don't emit an error
if DECL is a variable template.
2016-02-12 Jakub Jelinek <jakub@redhat.com>
* error.c: Spelling fixes - behaviour -> behavior and
neighbour -> neighbor.
* decl.c: Likewise.
* typeck.c (cp_build_binary_op): Fix up behavior spelling in
diagnostics.
* init.c (build_delete): Likewise.
2016-02-11 Jakub Jelinek <jakub@redhat.com>
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 <paolo.carlini@oracle.com>
PR c++/68726
* pt.c (lookup_template_class_1): Check tsubst return value for
error_mark_node.
2016-02-10 Jason Merrill <jason@redhat.com>
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 <ppalka@gcc.gnu.org>
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 <ppalka@gcc.gnu.org>
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 <jason@redhat.com>
PR c++/69657
* name-lookup.c (do_nonmember_using_decl): Leave anticipated
built-ins alone.
2016-02-08 Jakub Jelinek <jakub@redhat.com>
PR c++/59627
* parser.c (cp_parser_omp_declare_reduction): Set assembler name
of the DECL_OMP_DECLARE_REDUCTION_P decls.
2016-02-08 Marek Polacek <polacek@redhat.com>
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 <jason@redhat.com>
* cp-tree.h (CONV_FOLD, CONV_BACKEND_CONVERT): New.
* 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 <msebor@redhat.com>
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 <jason@redhat.com>
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 <ppalka@gcc.gnu.org>
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 <ppalka@gcc.gnu.org>
* constexpr.c (cxx_eval_binary_expression): Fold equality
comparisons involving PTRMEM_CSTs.
2016-02-04 Jakub Jelinek <jakub@redhat.com>
* class.c (find_flexarrays): Don't declare dom variable.
(diagnose_flexarray): Likewise.
2016-02-02 Martain Sebor <msebor@redhat.com>
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 <ppalka@gcc.gnu.org>
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 <jakub@redhat.com>
Jason Merrill <jason@redhat.com>
PR c++/68763
* tree.c (strip_typedefs) [FUNCTION_TYPE]: Avoid building a new
function type if nothing is changing.
2016-01-31 Jason Merrill <jason@redhat.com>
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 <jakub@redhat.com>
PR debug/66869
* decl.c (wrapup_globals_for_namespace): Warn about unused static
function declarations.
2016-01-29 Marek Polacek <polacek@redhat.com>
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
commentary.
2016-01-29 Patrick Palka <ppalka@gcc.gnu.org>
* 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 <jason@redhat.com>
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 <ppalka@gcc.gnu.org>
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 <polacek@redhat.com>
PR c/68062
* typeck.c (cp_build_binary_op): Promote operand to unsigned, if
needed. Add -Wsign-compare warning.
2016-01-27 Ryan Burn <contact@rnburn.com>
PR cilkplus/69267
* cp-gimplify.c (cilk_cp_gimplify_call_params_in_spawned_fn): Removed
superfluous post_p argument in call to
cilk_gimplify_call_params_in_spawned_fn.
2016-01-27 Marek Polacek <polacek@redhat.com>
PR c++/69379
* constexpr.c (cxx_eval_constant_expression): Handle PTRMEM_CSTs
wrapped in NOP_EXPRs.
2016-01-27 Martin Sebor <msebor@redhat.com>
PR c++/69317
* mangle.c (mangle_decl): Reference the correct (saved) version
of the ABI in -Wabi diagnostics.
2016-01-27 Marek Polacek <polacek@redhat.com>
PR c++/69496
* constexpr.c (cxx_eval_array_reference): Evaluate the number of
elements of the array.
2016-01-26 Jason Merrill <jason@redhat.com>
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 <jason@redhat.com>
PR c++/68782
* constexpr.c (cxx_eval_bare_aggregate): Update TREE_CONSTANT
and TREE_SIDE_EFFECTS.
(cxx_eval_constant_expression) [CONSTRUCTOR]: Call
verify_constructor_flags.
2016-01-26 Jakub Jelinek <jakub@redhat.com>
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
operands.
2016-01-26 David Malcolm <dmalcolm@redhat.com>
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 <ppalka@gcc.gnu.org>
Revert:
2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
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
cp_build_qualified_type.
* 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
documentation.
2016-01-23 Martin Sebor <msebor@redhat.com>
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 <jason@redhat.com>
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 <jason@redhat.com>
PR c++/59759
* pt.c (convert_template_argument): Handle VAR_DECL properly.
2016-01-19 Marek Polacek <polacek@redhat.com>
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 <ppalka@gcc.gnu.org>
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
cp_build_qualified_type.
* 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
documentation.
2016-01-18 Jason Merrill <jason@redhat.com>
* 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 <ppalka@gcc.gnu.org>
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 <ppalka@gcc.gnu.org>
* cp-array-notation.c (cp_expand_cond_array_notations): Return
error_mark_node only if find_rank failed, not if it was
successful.
2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
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 <jakub@redhat.com>
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 <jason@redhat.com>
PR c++/68847
* call.c (build_cxx_call): Use fold_non_dependent_expr.
* typeck2.c (cxx_incomplete_type_diagnostic): Use the location of
value.
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 <tom@codesourcery.com>
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 <jason@redhat.com>
PR c++/69261
* constexpr.c (find_array_ctor_elt): Handle splitting RANGE_EXPR.
2016-01-12 Marek Polacek <polacek@redhat.com>
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 <jakub@redhat.com>
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 <jason@redhat.com>
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 <dmalcolm@redhat.com>
PR c++/68795
* parser.c (cp_parser_postfix_expression): Initialize
close_paren_loc to UNKNOWN_LOCATION; only use it if
it has been written to by
cp_parser_parenthesized_expression_list.
(cp_parser_parenthesized_expression_list): Document the behavior
with respect to the CLOSE_PAREN_LOC param.
2016-01-11 Jakub Jelinek <jakub@redhat.com>
PR c++/69211
* cp-gimplify.c (cp_fold): If COMPOUND_EXPR or MODIFY_EXPR
folded operands have side-effects, but folding changed any of them,
build a new tree with the folded operands instead of returning the
unfolded tree.
2016-01-09 Marek Polacek <polacek@redhat.com>
PR c++/69113
* decl2.c (comdat_linkage): Only set DECL_COMDAT if TREE_PUBLIC is set.
2016-01-09 Jakub Jelinek <jakub@redhat.com>
PR c++/69164
* class.c (layout_class_type): Use copy_node to copy FIELD_DECLs.
2016-01-08 Jason Merrill <jason@redhat.com>
PR c++/69158
* constexpr.c (cxx_fold_indirect_ref): Handle array type differing
in completion.
2016-01-08 Marek Polacek <polacek@redhat.com>
PR c++/68449
* constexpr.c (cxx_eval_constant_expression): Handle NULL initializer.
2016-01-08 Jason Merrill <jason@redhat.com>
* constexpr.c (cxx_eval_call_expression): Remove convert_to_void
workaround.
PR c++/68983
PR c++/67557
* cvt.c (convert_to_void): Don't strip a TARGET_EXPR of
TREE_ADDRESSABLE type.
PR c++/68983
PR c++/67557
* call.c (unsafe_copy_elision_p): Look through COMPOUND_EXPR.
2016-01-05 Nathan Sidwell <nathan@acm.org>
PR c++/58583
* pt.c (build_non_dependent_expr): Don't try a checking fold when
parsing an nsdmi.
2016-01-04 Jakub Jelinek <jakub@redhat.com>
Update copyright years.
Copyright (C) 2016 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.