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.
