Support -Wabi warning about backward compatibility.

[gcc.git] / gcc / cp / ChangeLog

2014-06-12  Jason Merrill  <jason@redhat.com>

        * call.c (convert_arg_to_ellipsis): Use abi_version_crosses.
        * cvt.c (type_promotes_to): Likewise.
        * mangle.c (write_type, write_expression): Likewise.
        (write_name, write_template_arg): Likewise.
        (mangle_decl): Make alias based on flag_abi_compat_version.
        Emit -Wabi warning here.
        (finish_mangling_internal): Not here.  Drop warn parm.
        (finish_mangling_get_identifier, finish_mangling): Adjust.
        (mangle_type_string, mangle_special_for_type): Adjust.
        (mangle_ctor_vtbl_for_type, mangle_thunk): Adjust.
        (mangle_guard_variable, mangle_tls_init_fn): Adjust.
        (mangle_tls_wrapper_fn, mangle_ref_init_variable): Adjust.

        * call.c (build_operator_new_call): Remove -fabi-version=1 support.
        * class.c (walk_subobject_offsets, include_empty_classes): Likewise.
        (layout_nonempty_base_or_field, end_of_class): Likewise.
        (layout_empty_base, build_base_field, layout_class_type): Likewise.
        (is_empty_class, add_vcall_offset_vtbl_entries_1): Likewise.
        (layout_virtual_bases): Likewise.
        * decl.c (compute_array_index_type): Likewise.
        * mangle.c (write_mangled_name, write_prefix): Likewise.
        (write_template_prefix, write_integer_cst, write_expression): Likewise.
        (write_template_arg, write_array_type): Likewise.
        * method.c (lazily_declare_fn): Likewise.
        * rtti.c (get_pseudo_ti_index): Likewise.
        * typeck.c (comp_array_types): Likewise.

2014-06-11  Jan Hubicka  <hubicka@ucw.cz>

        * vtable-class-hierarchy.c: Update handling for section names
        that are no longer trees.
        * decl.c (duplicate_decls): Likewise.

2014-06-11  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/19200
        * parser.c (cp_parser_init_declarator): Actually pass friend_p
        to cp_parser_declarator.

2014-06-11  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/60265
        * parser.c (cp_parser_using_declaration): Handle unscoped enums.
        * name-lookup.c (validate_nonmember_using_decl): Adjust error
        message.

2014-06-11  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/19200
        * parser.c (cp_parser_declarator): Add bool parameter.
        (cp_parser_direct_declarator): Likewise, use it.
        (cp_parser_member_declaration): Pass friend_p to cp_parser_declarator.
        (cp_parser_condition, cp_parser_explicit_instantiation,
        cp_parser_init_declarator, cp_parser_type_id_1,
        cp_parser_parameter_declaration, cp_parser_exception_declaration,
        cp_parser_cache_defarg, cp_parser_objc_class_ivars,
        cp_parser_objc_struct_declaration, cp_parser_omp_for_loop_init):
        Adjust.
        * decl.c (grokdeclarator): Fix handling of friend declared in
        namespace scope (g++.dg/parse/friend10.C).

2014-06-10  Jan Hubicka  <hubicka@ucw.cz>

        * vtable-class-hierarchy.c: Use symtab_get_node (var_decl)
        ->implicit_section.
        * optimize.c (cdtor_comdat_group): Fix handling of aliases.
        (maybe_clone_body): Move symbol across comdat groups.
        * method.c (use_thunk): Copy implicit section flag.

2014-06-09  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/22556
        * name-lookup.c (pushdecl_maybe_friend_1): Use comptypes.

2014-06-07  Jan Hubicka  <hubicka@ucw.cz>

        * method.c (use_thunk): Use set_decl_section_name.
        * optimize.c (maybe_clone_body): Use set_decl_section_name.
        * decl.c (duplicate_decls): Likewise.
        * vtable-class-hierarchy.c: Likewise.

2014-06-06  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/60184
        * class.c (check_field_decls): In C++11 mode do not reject
        static data members and reference-type members in unions.

2014-06-05  Jason Merrill  <jason@redhat.com>

        PR c++/43453
        * decl.c (check_initializer): Collapse a TREE_LIST here.
        * typeck2.c (store_init_value): Not here.

2014-06-05  Richard Biener  <rguenther@suse.de>
            Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/56961
        * cp-gimplify.c (cp_gimplify_expr, [MODIFY_EXPR]): Rework
        handling of empty classes.

2014-06-04  Jason Merrill  <jason@redhat.com>

        * parser.c (cp_parser_diagnose_invalid_type_name): Give helpful note
        for noexcept and thread_local, too.

        PR c++/61343
        * decl.c (check_initializer): Maybe clear
        DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.

2014-06-05  Richard Biener  <rguenther@suse.de>

        PR c++/61004
        * typeck.c (cp_build_indirect_ref): Do not emit strict-aliasing
        warnings for accessing empty classes.

2014-06-05  Marek Polacek  <polacek@redhat.com>

        PR c/49706
        * parser.c (cp_parser_binary_expression): Warn when logical not is
        used on the left hand side operand of a comparison.

2014-06-04  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/43453
        * typeck.c (cp_build_modify_expr): Handle array of characters
        initialized by a string literal.
        * decl.c (check_initializer): Handle parenthesized string literal
        as initializer.
        * typeck2.c (store_init_value): Remove redundant check.

2014-06-04  Jason Merrill  <jason@redhat.com>

        PR c++/51253
        PR c++/61382
        * cp-gimplify.c (cp_gimplify_expr): Handle CALL_EXPR_LIST_INIT_P here.
        * semantics.c (simplify_aggr_init_expr): Not here, just copy it.

2014-06-04  Igor Zamyatin  <igor.zamyatin@intel.com>

        PR c/58942
        * cp-array-notation.c (expand_sec_reduce_builtin): Handle the case
        with a pointer.

2014-06-03  Paolo Carlini  <paolo.carlini@oracle.com>

        DR 1423
        PR c++/52174
        * call.c (standard_conversion): Convert nullptr to bool only
        in case of direct-initialization.
        (convert_like_real): Provide informative error message.

2014-06-03  Marek Polacek  <polacek@redhat.com>

        PR c/60439
        * semantics.c (finish_switch_cond): Warn if switch condition has
        boolean value.

2014-06-03  Jason Merrill  <jason@redhat.com>

        PR c++/60992
        * pt.c (tsubst_copy) [VAR_DECL]: Try lookup first.  Add a new
        variable to local_specializations.

        PR c++/60848
        * call.c (is_std_init_list): Check CLASSTYPE_TEMPLATE_INFO.

2014-06-02  Jason Merrill  <jason@redhat.com>

        PR c++/61046
        * decl.c (reshape_init_class): Handle un-folded
        constant-expressions.

        PR c++/61134
        * pt.c (pack_deducible_p): Handle canonicalization.

2014-06-02  Paolo Carlini  <paolo.carlini@oracle.com>

        * pt.c (tsubst_function_type): Initialize arg_types.

2014-06-02  Siva Chandra Reddy  <sivachandra@google.com>

        PR debug/57519
        * class.c (handle_using_decl): Pass the correct scope to
        cp_emit_debug_info_for_using.

2014-06-02  Ville Voutilainen  <ville.voutilainen@gmail.com>

        PR c++/59483
        PR c++/61148
        * search.c (accessible_p): Use current_nonlambda_class_type.
        * semantics.c (check_accessibility_of_qualified_id): Likewise.

2014-06-02  Andrew MacLeod  <amacleod@redhat.com>

        * decl.c: Include builtins.h.
        * semantics.c: Likewise.

2014-05-31  Paolo Carlini  <paolo.carlini@oracle.com>

        DR 1227
        PR c++/57543
        * cp-tree.h (TYPE_HAS_LATE_RETURN_TYPE): Add.
        * pt.c (tsubst_function_type): Inject the this parameter; do the
        substitutions in the order mandated by the DR.
        (copy_default_args_to_explicit_spec): Copy TYPE_HAS_LATE_RETURN_TYPE.
        * decl.c (grokdeclarator): Maybe set TYPE_HAS_LATE_RETURN_TYPE.
        (static_fn_type): Copy it.
        * decl2.c (build_memfn_type, change_return_type,
        cp_reconstruct_complex_type): Likewise.
        * parser.c (cp_parser_lambda_declarator_opt): Likewise.
        * tree.c (strip_typedefs): Likewise.
        * typeck.c (merge_types): Likewise.

2014-05-30  Jason Merrill  <jason@redhat.com>

        PR c++/56947
        * pt.c (instantiate_decl): Check that defer_ok is not set for
        local class members.

        PR c++/60992
        * pt.c (tsubst_init): Split out from...
        (tsubst_expr) [DECL_EXPR]: Here.
        (tsubst_copy) [VAR_DECL]: Use it.
        * semantics.c (finish_id_expression): Return the decl for static/const.

2014-05-28  Jason Merrill  <jason@redhat.com>

        PR c++/47202
        * decl.c (cxx_comdat_group): Return a decl.
        * optimize.c (cdtor_comdat_group): Get its DECL_ASSEMBLER_NAME.

        * pt.c (tsubst) [ARRAY_TYPE]: Check for array of array of unknown
        bound.

        PR c++/61242
        * call.c (build_aggr_conv): Ignore passed in flags.
        (build_array_conv, build_complex_conv): Likewise.

2014-05-23  Jan Hubicka  <hubicka@ucw.cz>

        * optimize.c (maybe_thunk_body): Use set_comdat_group.
        (maybe_clone_body): Likewise.
        * decl.c (duplicate_decls): Update code duplicating comdat group;
        do not copy symtab pointer; before freeing newdecl remove it
        from symtab.
        * decl2.c (constrain_visibility): Use set_comdat_group.

2014-05-23  Jan Hubicka  <hubicka@ucw.cz>

        * rtti.c: Include tm_p.h
        (emit_tinfo_decl): Force RTTI data to be aligned to required
        ABI alignment only.

2014-05-23  Jan Hubicka  <hubicka@ucw.cz>

        * class.c (build_vtable): Align vtables to TARGET_VTABLE_ENTRY_ALIGN
        ignoring other target adjustments.

2014-05-23  Thomas Schwinge  <thomas@codesourcery.com>

        * semantics.c (finish_omp_clauses): Remove duplicated variable
        initialization.

        * parser.c (cp_parser_omp_target): Return bool values.

2014-05-22  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/61088
        * lambda.c (add_capture): Enforce that capture by value requires
        complete type.
        * typeck2.c (cxx_incomplete_type_inform): Early return if
        TYPE_MAIN_DECL is null.

2014-05-21  Jonathan Wakely  <jwakely@redhat.com>

        PR c/61271
        * cp-array-notation.c (cilkplus_an_triplet_types_ok_p): Fix condition.

2014-05-21  Ville Voutilainen  <ville.voutilainen@gmail.com>

        PR c++/61133
        * lambda.c (build_capture_proxy, add_capture): Treat normal
        captures and init-captures identically.

2014-05-21  Mark Wielaard  <mjw@redhat.com>

        PR debug/16063
        * cp-lang.c (cxx_enum_underlying_base_type): New function.
        (LANG_HOOKS_ENUM_UNDERLYING_BASE_TYPE): Define.

2014-05-21  Richard Sandiford  <rsandifo@linux.vnet.ibm.com>

        * cvt.c (convert_to_void): Use void_node instead of void_zero_node.
        * cp-array-notation.c (replace_invariant_exprs): Likewise.
        (expand_array_notation): Handle VOID_CST.
        * error.c (dump_expr): Likewise.
        * cxx-pretty-print.c (cxx_pretty_printer::primary_expression)
        (cxx_pretty_printer::expression): Likewise.
        (pp_cxx_new_expression): Use void_node instead of void_zero_node.
        * decl.c (register_dtor_fn): Likewise.
        * init.c (build_raw_new_expr, build_new_1, build_vec_init)
        (build_delete, push_base_cleanups): Likewise.
        * mangle.c (write_expression): Likewise.
        * semantics.c (finish_break_stmt, empty_expr_stmt_p): Likewise.
        * pt.c (tsubst_decl, tsubst_copy_and_build): Likewise.
        (tsubst, tsubst_copy, build_non_dependent_expr): Handle VOID_CST.
        * tree.c (cp_tree_equal): Likewise.
        (build_dummy_object, is_dummy_object, stabilize_expr): Use void_node
        instead of void_zero_node.
        * typeck.c (check_return_expr): Likewise.
        * typeck2.c (build_functional_cast): Likewise.

2014-05-21  Igor Zamyatin  <igor.zamyatin@intel.com>

        PR c/60189
        * parser.c (cp_parser_postfix_expression): Move handling of cilk_sync
        from here to...
        (cp_parser_statement): ...here. Make sure only semicolon can go after
        Cilk_sync.

2014-05-20  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/58753
        PR c++/58930
        PR c++/58704
        * typeck2.c (digest_nsdmi_init): New.
        * parser.c (cp_parser_late_parse_one_default_arg): Use it.
        * init.c (get_nsdmi): Likewise.
        * cp-tree.h (digest_nsdmi_init): Declare.

2014-05-20  Jason Merrill  <jason@redhat.com>

        * typeck.c (get_member_function_from_ptrfunc): Don't try to look
        up a virtual function in a dummy object.

2014-05-20  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/60373
        * decl.c (duplicate_decls): Replace pair of warning_at with
        warning_at + inform.
        (maybe_commonize_var): Likewise.

2014-05-20  Richard Sandiford  <rsandifo@linux.vnet.ibm.com>

        PR bootstrap/61210
        * pt.c (tsubst_copy, tsubst_omp_for_iterator, tsubst_expr)
        (tsubst_copy_and_build): Perform recursive substitutions in a
        deterministic order.

2014-05-20  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/58664
        * typeck2.c (cxx_incomplete_type_inform): New.
        (cxx_incomplete_type_diagnostic): Use it.
        * decl.c (grokdeclarator): Check the element type of an
        incomplete array type; call the above.
        * cp-tree.h (cxx_incomplete_type_inform): Declare.

2014-05-19  Jason Merrill  <jason@redhat.com>

        PR c++/58761
        * pt.c (tsubst_copy): Don't check at_function_scope_p.
        (instantiate_class_template_1): Don't push_to_top_level in an nsdmi.

2014-05-19  Paolo Carlini  <paolo.carlini@oracle.com>

        * typeck2.c (cxx_incomplete_type_diagnostic): Use inform.
        * parser.c (cp_parser_enum_specifier): Likewise.

2014-05-17  Trevor Saunders  <tsaunders@mozilla.com>

        * class.c (sorted_fields_type_new): Adjust.
        * cp-cilkplus.c (cilk_install_body_with_frame_cleanup): Likewise.
        * cp-objcp-common.c (decl_shadowed_for_var_insert): Likewise.
        * cp-tree.h: Remove usage of variable_size gty attribute.
        * decl.c (make_label_decl): Adjust.
        (check_goto): Likewise.
        (start_preparsed_function): Likewise.
        (save_function_data): Likewise.
        * lex.c (init_reswords): Likewise.
        (retrofit_lang_decl): Likewise.
        (cxx_dup_lang_specific_decl): Likewise.
        (copy_lang_type): Likewise.
        (cxx_make_type): Likewise.
        * name-lookup.c (binding_entry_make): Likewise.
        (binding_table_construct): Likewise.
        (binding_table_new): Likewise.
        (cxx_binding_make): Likewise.
        (pushdecl_maybe_friend_1): Likewise.
        (begin_scope): Likewise.
        (push_to_top_level): Likewise.
        * parser.c (cp_lexer_alloc): Likewise.
        (cp_lexer_new_from_tokens): Likewise.
        (cp_token_cache_new): Likewise.
        (cp_parser_context_new): Likewise.
        (cp_parser_new): Likewise.
        (cp_parser_nested_name_specifier_opt): Likewise.
        (cp_parser_template_id): Likewise.
        * pt.c (maybe_process_partial_specialization): Likewise.
        (register_specialization): Likewise.
        (add_pending_template): Likewise.
        (lookup_template_class_1): Likewise.
        (push_tinst_level): Likewise.
        * semantics.c (register_constexpr_fundef): Likewise.
        (cxx_eval_call_expression): Likewise.
        * typeck2.c (abstract_virtuals_error_sfinae): Likewise.

2014-05-16  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/51640
        * parser.c (cp_parser_diagnose_invalid_type_name): Early return
        when cp_parser_lookup_name sets ambiguous_decls.

2014-05-15  Jason Merrill  <jason@redhat.com>

        * call.c (print_conversion_rejection): Use loc consistently.

2014-05-14  Paolo Carlini  <paolo.carlini@oracle.com>

        * cp-tree.h (DIRECT_LIST_INIT_P): Add.
        * call.c (convert_like_real, build_new_method_call_1): Use it.
        * decl2.c (grokfield): Likewise.
        * init.c (perform_member_init, build_aggr_init, expand_default_init,
        build_new_1): Likewise.
        * mangle.c (write_expression): Likewise.
        * parser.c (cp_parser_late_parse_one_default_arg): Likewise.

2014-05-14  Jason Merrill  <jason@redhat.com>

        PR c++/20332
        PR c++/21631
        * call.c (reference_binding): Treat lvalue/rvalue mismatch and
        dropped cv-quals as a bad conversion.
        (convert_like_real) [ck_ref_bind]: Explain them.
        (compare_ics): Check badness before stripping reference
        bindings.  Handle comparing bad reference bindings.
        * typeck.c (comp_cv_qualification): Add overload that just takes
        integers.
        * cp-tree.h: Declare it.

        * call.c (struct conversion_info): Rename 'from_type' to 'from'.
        (arg_conversion_rejection, bad_arg_conversion_rejection)
        (explicit_conversion_rejection, template_conversion_rejection): Adjust.
        (add_function_candidate): Pass actual argument, rather than type, to
        bad_arg_conversion_rejection.
        (print_conversion_rejection): Explain what's wrong with the conversion.
        (print_z_candidates): Say "candidate:" before each candidate.
        (splice_viable): Be strict if we see a viable or template candidate.
        (build_user_type_conversion_1): Pass false to strict parameter.
        (perform_overload_resolution, build_conditional_expr_1): Likewise.
        (build_new_op_1, build_new_method_call_1): Likewise.
        (build_op_call_1): Pass true to strict parameter.

2014-05-13  Jason Merrill  <jason@redhat.com>

        * call.c (print_error_for_call_failure): Say "no match" rather
        than "ambiguous" if there were no strict matches.
        (build_new_method_call_1): Likewise.

        PR c++/61151
        * semantics.c (is_this_parameter): Allow capture proxies too.

2014-05-12  Jason Merrill  <jason@redhat.com>

        * call.c (maybe_print_user_conv_context): New.
        (convert_like_real): Use it.  Print call context for bad
        user-defined conversion.
        (build_over_call): Print call context for bad 'this' conversion.

        * call.c (convert_like_real): Use inform for identifying the
        declaration point.

2014-05-12  Paolo Carlini  <paolo.carlini@oracle.com>

        * cvt.c (cp_convert_to_pointer): Don't call error_at if
        complain & tf_error is false.

        * decl.c (make_unbound_class_template): Prefer inform for
        "declared here"-type message.

2014-05-09  Momchil Velikov  <momchil.velikov@gmail.com>

        PR c++/60463
        PR c++/60755
        * lambda.c (lambda_expr_this_capture): Add new parameter
        add_capture_p controlling whether the functions will try to
        capture 'this' via the default capture.
        (maybe_resolve_dummy): Likewise.
        * cp-tree.h: Adjust prototypes.
        * call.c, semantics.c: Change callers of these functions.
        * call.c (build_new_method_call_1): Use the actual 'this' that
        would be potentially captured for the overload resolution, instead
        of the dummy object.

2014-05-09  Paolo Carlini  <paolo.carlini@oracle.com>

        * pt.c (convert_nontype_argument_function): Add tsubst_flags_t
        parameter.
        (convert_nontype_argument): Adjust calls.
        (coerce_template_parameter_pack): Add missing complain & tf_error
        check.

2014-05-09  Jason Merrill  <jason@redhat.com>

        DR 587
        PR c++/51317
        * call.c (build_conditional_expr_1, conditional_conversion): Handle
        non-class lvalues and xvalues that differ only in cv-qualifiers.

        DR 5
        PR c++/60019
        * call.c (build_user_type_conversion_1): The copy-init temporary
        is cv-unqualified.

        PR c++/58714
        * tree.c (stabilize_expr): A stabilized prvalue is an xvalue.

        PR c++/54348
        * call.c (build_conditional_expr_1): If overload resolution finds
        no match, just say "different types".

        PR c++/32019
        * call.c (build_conditional_expr_1): Improve ambiguity diagnostic.

        PR c++/22434
        * call.c (build_conditional_expr_1): Don't try to pool cv-quals
        if we didn't find a conversion.
        Don't accept a bad conversion too early.

2014-05-08  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/13981
        * typeck.c (convert_for_assignment): Provide an inform for pointers
        to incomplete class types.

2014-05-07  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/61083
        * pt.c (convert_nontype_argument): Protect all the error calls
        with complain & tf_error.

2014-05-07  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/61080
        * pt.c (instantiate_decl): Avoid generating the body of a
        deleted function.

2014-05-06  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/60999
        * pt.c (maybe_begin_member_template_processing): Use
        uses_template_parms.

2014-05-06  Kenneth Zadeck  <zadeck@naturalbridge.com>
            Mike Stump  <mikestump@comcast.net>
            Richard Sandiford  <rdsandiford@googlemail.com>

        * call.c: Include wide-int.h.
        (type_passed_as): Use tree_int_cst_lt instead of INT_CST_LT_UNSIGNED.
        (convert_for_arg_passing): Likewise.
        * class.c: Include wide-int.h.
        (walk_subobject_offsets): Use tree_int_cst_lt instead of INT_CST_LT.
        (end_of_class): Use tree_int_cst_lt instead of INT_CST_LT_UNSIGNED.
        (include_empty_classes): Likewise
        (layout_class_type): Use tree_int_cst_lt instead of INT_CST_LT.
        * cvt.c: Include wide-int.h.
        (ignore_overflows): Use wide_int_to_tree.
        * decl.c: Include wide-int.h.
        (check_array_designated_initializer): Use wide-int interfaces.
        (compute_array_index_type): Use tree_int_cst_lt instead of INT_CST_LT.
        (finish_enum_value_list): Use signop.
        (build_enumerator): Use wide-int interfaces.
        * init.c: Include wide-int.h.
        (build_new_1): Use wide-int interfaces.
        * mangle.c: Include wide-int.h.
        (write_integer_cst): Use wide-int interfaces.
        (write_array_type): Likewise.
        * tree.c: Include wide-int.h.
        (cp_tree_equal): Use tree_int_cst_equal.
        * typeck2.c: Include wide-int.h.
        (process_init_constructor_array): Use wide-int interfaces.

2014-05-03  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/58582
        * decl.c (grokfndecl): Check duplicate_decls return value for
        error_mark_node.
        * pt.c (instantiate_decl): A deleted function is defined.

2014-05-02  Jason Merrill  <jason@redhat.com>

        * decl2.c (vague_linkage_p): Local statics have vague linkage.

        PR c++/60992
        * lambda.c (lambda_capture_field_type): Wrap anything dependent
        other than 'this'.
        (add_capture): Check for VLA before calling it.
        * semantics.c (is_this_parameter): Accept any 'this' parameter, not
        just the current one.  Make non-static.
        * cp-tree.h: Declare it.
        * pt.c (tsubst_copy) [VAR_DECL]: Also build a new VAR_DECL if
        the operand was static or constant.

2014-05-02  Marek Polacek  <polacek@redhat.com>

        * typeck.c (maybe_warn_about_returning_address_of_local): Separate
        warning_at calls.

2014-05-01  Marek Polacek  <polacek@redhat.com>

        PR c/43395
        * typeck.c (maybe_warn_about_returning_address_of_local): Distinguish
        between label and variable when warning about returning local address.

2014-04-30  Jason Merrill  <jason@redhat.com>

        PR c++/60980
        * init.c (build_value_init): Don't try to call an array constructor.

        PR c++/60951
        * typeck2.c (massage_init_elt): Use maybe_constant_init.

2014-04-30  Marek Polacek  <polacek@redhat.com>

        * typeck.c (cp_build_binary_op): Call ubsan_instrument_division
        even when SANITIZE_FLOAT_DIVIDE is on.  Set doing_div_or_mod even
        for non-integer types.

2014-04-29  Jason Merrill  <jason@redhat.com>

        DR 1351
        Represent the unevaluated exception specification of an implicitly
        declared or deleted function with a simple placeholder, not a list
        of functions.
        * cp-tree.h (UNEVALUATED_NOEXCEPT_SPEC_P): New.
        * except.c (unevaluated_noexcept_spec): New.
        * class.c (deduce_noexcept_on_destructor): Use it.
        * decl.c (check_redeclaration_exception_specification): Call
        maybe_instantiate_noexcept.
        (duplicate_decls): Call it before merge_types.
        (start_preparsed_function): Call maybe_instantiate_noexcept.
        * decl2.c (mark_used): Call maybe_instantiate_noexcept earlier.
        * init.c (get_nsdmi): Factor out of perform_member_init.
        * method.c (process_subob_fn): Call maybe_instantiate_noexcept.
        (walk_field_subobs): Consider NSDMI for EH spec.
        (get_defaulted_eh_spec): New.
        (implicitly_declare_fn): Use unevaluated_noexcept_spec.
        (defaulted_late_check): Defer EH checking in non-template classes.
        (after_nsdmi_defaulted_late_checks): New.
        * parser.c (cp_parser_class_specifier_1): Use it.
        (unparsed_classes): New macro.
        * parser.h (cp_unparsed_functions_entry_d): Add classes field.
        * pt.c (maybe_instantiate_noexcept): Use get_defaulted_eh_spec.
        Remove list-of-functions handling.
        * typeck2.c (merge_exception_specifiers): Remove list-of-functions
        handling and FN parameter.
        * typeck.c (merge_types): Adjust.

2014-04-28  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/59120
        * parser.c (cp_parser_alias_declaration): Check return value of
        cp_parser_require.

2014-04-24  Jakub Jelinek  <jakub@redhat.com>

        * parser.c (cp_parser_omp_atomic): Allow seq_cst before
        atomic-clause, allow comma in between atomic-clause and
        seq_cst.

2014-04-24  Marc Glisse  <marc.glisse@inria.fr>

        PR libstdc++/43622
        * rtti.c (emit_support_tinfos): Do not iterate on
        registered_builtin_types (partial revert).

2014-04-23 Dinar Temirbulatov  <dtemirbulatov@gmail.com>

        PR c++/57958
        * semantics.c (apply_deduced_return_type): Complete non-void type
        before estimating whether the type is aggregate.

2014-04-22  Marc Glisse  <marc.glisse@inria.fr>

        PR libstdc++/43622
        * rtti.c (emit_support_tinfo_1): New function, extracted from
        emit_support_tinfos.
        (emit_support_tinfos): Call it and iterate on registered_builtin_types.

2014-04-22  Jakub Jelinek  <jakub@redhat.com>

        PR c/59073
        * parser.c (cp_parser_omp_parallel): If cp_parser_omp_for
        fails, don't set OM_PARALLEL_COMBINED and return NULL.

2014-04-18  Jason Merrill  <jason@redhat.com>

        DR 1571
        * call.c (reference_binding): Recurse on user-defined conversion.

        PR c++/60872
        * call.c (standard_conversion): Don't try to apply restrict to void.

2014-04-16  Marc Glisse  <marc.glisse@inria.fr>

        * decl.c (reshape_init_r): Handle a single element of vector type.

2014-04-16  Patrick Palka  <patrick@parcs.ath.cx>

        PR c++/60765
        * decl2.c (cplus_decl_attributes): Handle
        pointer-to-member-function declarations.

2014-04-16  Patrick Palka  <patrick@parcs.ath.cx>

        PR c++/60764
        * call.c (build_user_type_coversion): Use build_dummy_object
        to create the placeholder object for a constructor method call.
        (build_special_member_call): Likewise.
        (build_over_call): Check for the placeholder object with
        is_dummy_object.
        (build_new_method_call_1): Likewise.  Don't attempt to resolve
        a dummy object for a constructor method call.

2014-04-16  Paul Pluzhnikov  <ppluzhnikov@google.com>

        PR c++/59295
        * friend.c (add_friend, make_friend_class): Move repeated friend
        warning under Wredundant_decls.

2014-04-15  Paolo Carlini  <paolo.carlini@oracle.com>

        * decl.c (duplicate_decls): Remove redundant TYPE_NAME use.
        * name-lookup.c (pushdecl_maybe_friend_1): Likewise.
        (do_class_using_decl): Likewise.
        * mangle.c (dump_substitution_candidates): Use TYPE_NAME_STRING.

2014-04-15  Jakub Jelinek  <jakub@redhat.com>

        PR plugins/59335
        * Make-lang.h (CP_PLUGIN_HEADERS): Add type-utils.h.

2014-04-14  Paolo Carlini  <paolo.carlini@oracle.com>

        * cp-tree.h (TYPE_IDENTIFIER): Remove declaration.

2014-04-14  Paolo Carlini  <paolo.carlini@oracle.com>

        * pt.c (mark_template_parm): Use template_parm_level_and_index.

2014-04-11  Jason Merrill  <jason@redhat.com>

        * parser.h (struct cp_token): Rename ambiguous_p to error_reported.
        * parser.c: Adjust.
        (cp_lexer_get_preprocessor_token): Always clear it.
        (cp_parser_lambda_expression): Use it to avoid duplicate diagnostics.

        DR 1467
        PR c++/51747
        * decl.c (reshape_init_r): Handle a single element of class type.

        DR 1338
        * decl.c (cxx_init_decl_processing): Set DECL_IS_MALLOC on
        built-in operator new.

2014-04-11  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/58600
        * name-lookup.c (parse_using_directive): Return early if the
        attribs argument is error_mark_node; use get_attribute_name.

2014-04-11  Jason Merrill  <jason@redhat.com>

        DR 1030
        PR c++/51253
        * cp-tree.h (CALL_EXPR_LIST_INIT_P): New.
        * call.c (struct z_candidate): Add flags field.
        (add_candidate): Add flags parm.
        (add_function_candidate, add_conv_candidate, build_builtin_candidate)
        (add_template_candidate_real): Pass it.
        (build_over_call): Set CALL_EXPR_LIST_INIT_P.
        * tree.c (build_aggr_init_expr): Copy it.
        * semantics.c (simplify_aggr_init_expr): Preevaluate args if it's set.

2014-04-10  Richard Biener  <rguenther@suse.de>
            Jakub Jelinek  <jakub@redhat.com>

        PR ipa/60761
        * error.c (dump_decl) <case FUNCTION_DECL>: If
        DECL_LANG_SPECIFIC is NULL, but DECL_ABSTRACT_ORIGIN is not,
        recurse on DECL_ABSTRACT_ORIGIN instead of printing
        <built-in>.

2014-04-09  Fabien Chêne  <fabien@gcc.gnu.org>

        * pt.c (check_template_variable): Check for the return of pedwarn
        before emitting a note.
        * parser.c (cp_parser_lambda_introducer): Likewise.

2014-04-08  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/59115
        * pt.c (process_template_parm): For an invalid non-type parameter
        only set TREE_TYPE to error_mark_node.
        (push_inline_template_parms_recursive, comp_template_parms,
        redeclare_class_template, coerce_template_template_parm,
        coerce_template_template_parms, unify): Use error_operand_p.

2014-04-08  Nathan Sidwell  <nathan@codesourcery.com>

        * class.c (check_bases_and_members): Warn about non-virtual dtors
        in public bases only.  Check warn_ecpp before complaining about
        non-polymorphic bases.

2014-04-04  Fabien Chêne  <fabien@gcc.gnu.org>

        * decl.c (duplicate_decls): Check for the return of warning_at
        before emitting a note.
        (warn_misplaced_attr_for_class_type): Likewise.
        (check_tag_decl): Likewise.

2014-04-04  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/58207
        * semantics.c (sort_constexpr_mem_initializers): Robustify loop.

2014-04-04  Patrick Palka  <patrick@parcs.ath.cx>

        PR c++/44613
        * semantics.c (add_stmt): Set STATEMENT_LIST_HAS_LABEL.
        * decl.c (cp_finish_decl): Create a new BIND_EXPR before
        instantiating a variable-sized type.

        PR c++/21113
        * decl.c (decl_jump_unsafe): Consider variably-modified decls.

2014-04-04  Fabien Chêne  <fabien@gcc.gnu.org>

        * class.c (find_abi_tags_r): Check for the return of warning
        before emitting a note.
        (one_inherited_ctor): Likewise.

2014-04-04  Fabien Chêne  <fabien@gcc.gnu.org>

        * decl.c (duplicate_decls): Check for the return of permerror
        before emitting a note.

2014-04-03  Nathan Sidwell  <nathan@codesourcery.com>

        * class.c (accessible_nvdtor_p): New.
        (check_bases): Don't check base destructor here ...
        (check_bases_and_members): ... check them here.  Trigger on
        Wnon-virtual-dtor flag.
        (finish_struct_1): Use accessible_nvdtor_p.

2014-04-01  Jason Merrill  <jason@redhat.com>

        * pt.c (process_partial_specialization): Say "not deducible"
        rather than "not used".  Use inform.

        PR c++/60374
        * pt.c (coerce_template_parms): Check that the pack expansion
        pattern works with the first matching parameter.

2014-04-01  Fabien Chêne  <fabien@gcc.gnu.org>

        * init.c (perform_member_init): Homogenize uninitialized
        diagnostics.

2014-04-01  Jason Merrill  <jason@redhat.com>

        PR c++/60708
        * call.c (build_array_conv): Call complete_type.

        PR c++/60713
        * typeck2.c (PICFLAG_SIDE_EFFECTS): New.
        (picflag_from_initializer): Return it.
        (process_init_constructor): Handle it.

        PR c++/60642
        * decl2.c (is_late_template_attribute): Don't defer abi_tag.
        * mangle.c (write_unqualified_name): Fix abi_tag on templates.
        * pt.c (get_template_info): Handle NAMESPACE_DECL.
        (most_general_template): Handle more kinds of template.
        * tree.c (handle_abi_tag_attribute): Ignore abi_tag on template
        instantiations and specializations.

2014-03-31  Patrick Palka  <patrick@parcs.ath.cx>

        PR c++/44859
        * typeck.c (maybe_warn_about_returning_address_of_local): Unwrap
        COMPONENT_REFs and ARRAY_REFs sooner.

2014-03-29  Adam Butcher  <adam@jessamine.co.uk>

        PR c++/60626
        * parser.c (cp_parser_init_declarator): Handle erroneous generic type
        usage in non-functions with pushed scope.

2014-03-28  Adam Butcher  <adam@jessamine.co.uk>

        PR c++/60573
        * name-lookup.h (cp_binding_level): New transient field defining_class_p
        to indicate whether a scope is in the process of defining a class.
        * semantics.c (begin_class_definition): Set defining_class_p.
        * name-lookup.c (leave_scope): Reset defining_class_p.
        * parser.c (synthesize_implicit_template_parm): Use cp_binding_level::
        defining_class_p rather than TYPE_BEING_DEFINED as the predicate for
        unwinding to class-defining scope to handle the erroneous definition of
        a generic function of an arbitrarily nested class within an enclosing
        class.

2014-03-26  Fabien Chêne  <fabien@gcc.gnu.org>

        PR c++/52369
        * method.c (walk_field_subobs): Improve the diagnostic
        locations for both REFERENCE_TYPEs and non-static const members.
        * init.c (diagnose_uninitialized_cst_or_ref_member): Use %q#D
        instead of %qD to be consistent with the c++11 diagnostic.

2014-03-25  Jason Merrill  <jason@redhat.com>

        PR c++/60566
        PR c++/58678
        * class.c (build_vtbl_initializer): Handle abstract dtors here.
        * search.c (get_pure_virtuals): Not here.

        PR c++/60375
        * parser.c (cp_parser_lambda_expression): Don't parse the body of
        a lambda in unevaluated context.

        PR c++/60628
        * decl.c (create_array_type_for_decl): Complain about array of auto.

2014-03-25  Jakub Jelinek  <jakub@redhat.com>

        PR c++/60331
        * semantics.c (potential_constant_expression_1): Handle
        DECL_EXPR.

2014-03-24  Adam Butcher  <adam@jessamine.co.uk>

        PR c++/60627
        * parser.c (cp_parser_parameter_declaration_clause): Prevent 'auto' from
        introducing an implicit function template parameter within an explicit
        instantiation.

2014-03-22  Jason Merrill  <jason@redhat.com>

        PR c++/60574
        * decl.c (grokdeclarator): Change permerror about 'virtual auto'
        to error.

2014-03-21  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/60384
        * name-lookup.c (push_class_level_binding_1): Check identifier_p
        on the name argument.

2014-03-20  Jakub Jelinek  <jakub@redhat.com>

        PR c++/60572
        * init.c (build_zero_init_1): Ignore fields with error_mark_node
        type.

2014-03-19  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/51474
        * call.c (build_new_method_call_1): Handle pure virtuals called by
        NSDMIs too.

2014-03-17  Adam Butcher  <adam@jessamine.co.uk>

        PR c++/60390
        * parser.c (cp_parser_member_declaration): Don't allow
        finish_fully_implicit_template to consider friend declarations to be
        class member templates.
        (synthesize_implicit_template_parm): Handling winding back through class
        scope to the class being defined in order to inject a template argument
        list.

        PR c++/60391
        * parser.c (cp_parser_skip_to_end_of_block_or_statement): Unwind generic
        function scope as per cp_parser_skip_to_end_of_statement.

2014-03-17  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/59571
        * typeck2.c (check_narrowing): Use fold_non_dependent_expr_sfinae.

2014-03-14  Jason Merrill  <jason@redhat.com>

        PR c++/60532
        PR c++/58678
        * search.c (get_pure_virtuals): Handle abstract dtor here.
        (dfs_get_pure_virtuals): Not here.

        PR c++/58678
        * search.c (dfs_get_pure_virtuals): Treat the destructor of an
        abstract class as pure.

2014-03-13  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/60383
        * pt.c (maybe_process_partial_specialization): Check return value
        of check_specialization_namespace.

2014-03-13  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/60254
        * semantics.c (finish_static_assert): Call cxx_constant_value only
        if require_potential_rvalue_constant_expression returns true.

2014-03-11  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/60389
        * method.c (get_inherited_ctor): New.
        * cp-tree.h (get_inherited_ctor): Declare it.
        * semantics.c (is_valid_constexpr_fn): Use it.

2014-03-10  Jason Merrill  <jason@redhat.com>

        PR c++/60367
        * call.c (convert_default_arg): Remove special handling for
        CONSTRUCTOR.

        PR c++/53492
        * parser.c (cp_parser_class_head): Also check PRIMARY_TEMPLATE_P
        when deciding whether to call push_template_decl for a member class.
        * pt.c (push_template_decl_real): Return after wrong levels error.

2014-03-08  Adam Butcher  <adam@jessamine.co.uk>

        PR c++/60033
        * pt.c (tsubst_copy): When retrieving a capture pack from a generic
        lambda, remove the lambda's own template argument list prior to fetching
        the specialization.

        PR c++/60393
        * parser.c (cp_parser_parameter_declaration_clause): Move generic
        function template unwinding on error into a more general location, ...
        (cp_parser_skip_to_end_of_statement): ... here.

2014-03-07  Jason Merrill  <jason@redhat.com>

        * Make-lang.in (check_g++_parallelize): Split dg.exp.

        * parser.c (cp_parser_type_id_1): Only allow 'auto' in C++1y if
        we're in a trailing return type.

        * typeck.c (comp_template_parms_position): 'auto' and
        'decltype(auto)' are different from real template parms.

        * parser.c (cp_parser_using_declaration): Consume the semicolon
        after bare parameter pack error.

        * cp-tree.h (REF_PARENTHESIZED_P): New.
        * semantics.c (force_paren_expr): Set it.
        * pt.c (do_auto_deduction): Check it.
        (tsubst) [COMPONENT_REF]: Copy it.
        * typeck.c (maybe_warn_about_useless_cast): Don't strip dereference.

        * decl.c (create_array_type_for_decl): Only warn about invalid
        C++1y VLA if flag_iso or warn_vla>0.
        (grokdeclarator): Likewise.
        * pt.c (tsubst): Likewise.
        * semantics.c (finish_decltype_type): Likewise.
        * typeck.c (cxx_sizeof_or_alignof_type): Likewise.
        (cp_build_addr_expr_1): Likewise.
        * init.c (build_new_1): Improve diagnostics.

2014-03-07  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/58609
        * decl.c (check_initializer): Return NULL_TREE after error;
        consistently use inform.

2014-03-07  Paolo Carlini  <paolo.carlini@oracle.com>

        * decl.c (check_initializer): Remove dead code.

2014-03-06  Marek Polacek  <polacek@redhat.com>

        PR c/60197
        * typeck.c (check_return_expr): Call contains_cilk_spawn_stmt instead
        of checking tree code.

2014-03-06  Paolo Carlini  <paolo.carlini@oracle.com>

        * parser.c (cp_lexer_set_source_position): New.
        (cp_parser_mem_initializer): Use it.
        (cp_parser_postfix_open_square_expression): Likewise.
        (cp_parser_parenthesized_expression_list): Likewise.
        (cp_parser_new_initializer): Likewise.
        (cp_parser_jump_statement): Likewise.
        (cp_parser_initializer): Likewise.
        (cp_parser_functional_cast): Likewise.

2014-03-05  Jason Merrill  <jason@redhat.com>

        PR c++/60409
        * semantics.c (force_paren_expr): Only add a PAREN_EXPR to a
        dependent expression.

        PR c++/60361
        * parser.c (cp_parser_template_id): Don't set up a CPP_TEMPLATE_ID
        if re-parsing might succeed.
        * semantics.c (finish_id_expression): Use of a parameter outside
        the function body is a parse error.

        * parser.c (cp_parser_mem_initializer): Set input_location
        properly for init-list warning.
        (cp_parser_postfix_open_square_expression): Likewise.
        (cp_parser_parenthesized_expression_list): Likewise.
        (cp_parser_new_initializer): Likewise.
        (cp_parser_jump_statement): Likewise.
        (cp_parser_initializer): Likewise.
        (cp_parser_functional_cast): Likewise.

2014-03-04  Jason Merrill  <jason@redhat.com>

        PR c++/60417
        * typeck2.c (process_init_constructor_record): Set
        CONSTRUCTOR_IS_DIRECT_INIT on {} for omitted initializers.

        PR c++/60415
        PR c++/54359
        * parser.c (cp_parser_direct_declarator): Set declarator to
        cp_error_declarator on invalid qualified-id.

2014-03-04  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/60376
        * parser.c (cp_parser_using_declaration): Early return when
        cp_parser_nested_name_specifier errors out.

2014-03-01  Adam Butcher  <adam@jessamine.co.uk>

        PR c++/60377
        * parser.c (cp_parser_parameter_declaration_clause): Unwind generic
        function scope on parse error in function parameter list.

2014-03-01  Paolo Carlini  <paolo.carlini@oracle.com>

        * method.c (implicitly_declare_fn): Remove redundant
        DECL_TEMPLATE_RESULT and STRIP_TEMPLATE uses.
        * semantics.c (is_instantiation_of_constexpr): Likewise.
        * error.c (dump_function_decl): Likewise.

2014-03-01  Jason Merrill  <jason@redhat.com>

        PR c++/60379
        * semantics.c (begin_maybe_infinite_loop): Use
        fold_non_dependent_expr_sfinae.

2014-02-28  Jason Merrill  <jason@redhat.com>

        PR c++/58845
        * typeck.c (cp_build_binary_op): Sorry on vector&&vector.

2014-02-28  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/58610
        * cp-tree.h (DECL_DELETED_FN): Use LANG_DECL_FN_CHECK.
        * call.c (print_z_candidate): Remove STRIP_TEMPLATE use.
        * lambda.c (maybe_add_lambda_conv_op): Likewise.

2014-02-27  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/60253
        * call.c (convert_arg_to_ellipsis): Return error_mark_node after
        error_at.

2014-02-27  Jason Merrill  <jason@redhat.com>

        PR c++/60353
        PR c++/55877
        * decl2.c (tentative_decl_linkage): Don't mess with functions that
        are not yet defined.

2014-02-26  Jason Merrill  <jason@redhat.com>

        PR c++/60347
        PR lto/53808
        * class.c (clone_function_decl): Don't note_vague_linkage_fn.
        * init.c (build_vtbl_address): Do it here.

        PR c++/59231
        PR c++/11586
        PR c++/14710
        PR c++/57132
        * pt.c (struct warning_sentinel): New.
        (tsubst_copy_and_build): Use it instead of
        c_inhibit_evaluation_warnings.
        * typeck.c (maybe_warn_about_useless_cast): Remove
        c_inhibit_evaluation_warnings check.

        PR c++/54440
        * pt.c (get_template_parm_index): New.
        (fixed_parameter_pack_p_1, fixed_parameter_pack_p): New.
        (process_template_parm): Allow bare packs in template template
        parm template parms.
        (coerce_template_parameter_pack): Handle fixed template template
        parm packs and fixed packs not at the end of the parm list.
        (coerce_template_parms): Handle template parm packs not at the end
        of the parm list.
        (gen_elem_of_pack_expansion_instantiation): Handle a decl expansion.

        PR c++/60182
        * pt.c (unify): Ignore alias templates when deducing a template
        template parameter.

        PR c++/60345
        Revert:
        DR 1571
        * call.c (reference_binding): Recurse on user-defined conversion.
        (convert_like_real) [ck_ref_bind]: Explain cv-qual mismatch.

2014-02-25  Jason Merrill  <jason@redhat.com>

        DR 1571
        * call.c (reference_binding): Recurse on user-defined conversion.
        (convert_like_real) [ck_ref_bind]: Explain cv-qual mismatch.

        * call.c (print_conversion_rejection): Handle n_arg of -2.
        (build_user_type_conversion_1): Pass it.

        PR c++/55877
        * decl2.c (no_linkage_error): Handle C++98 semantics.
        (reset_type_linkage): Move from decl.c.
        (reset_type_linkage_1, reset_type_linkage_2, bt_reset_linkage_1)
        (bt_reset_linkage_2, reset_decl_linkage): New.
        (tentative_decl_linkage): Factor out of expand_or_defer_fn_1.
        (cp_write_global_declarations): Move condition into no_linkage_error.
        * decl.c (grokfndecl, grokvardecl): Use no_linkage_error.
        * semantics.c (expand_or_defer_fn_1): Factor out
        tentative_decl_linkage.
        * cp-tree.h: Adjust.

        * decl2.c (finish_static_data_member_decl): Diagnose static data
        member in unnamed class.
        * class.c (finish_struct_anon_r): Avoid redundant diagnostic.

        PR lto/53808
        * class.c (clone_function_decl): Call note_vague_linkage_fn for
        defaulted virtual dtor.

        DR 1286
        PR c++/60328
        * pt.c (get_underlying_template): Fix equivalence calculation.

2014-02-25  Adam Butcher  <adam@jessamine.co.uk>

        PR c++/60311
        * parser.c (function_being_declared_is_template_p): Return false when
        processing a template parameter list.
        (cp_parser_parameter_declaration_clause): Don't set
        auto_is_implicit_function_template_parm_p when processing a
        template parameter list.

        * parser.c (synthesize_implicit_template_parm): Inject new template
        argument list appropriately when a generic member function
        of a class template is declared out-of-line.

        PR c++/60065
        * parser.c (cp_parser_direct_declarator): Don't save and
        restore num_template_parameter_lists around call to
        cp_parser_parameter_declaration_list.
        (function_being_declared_is_template_p): New predicate.
        (cp_parser_parameter_declaration_list): Use
        function_being_declared_is_template_p as predicate for
        inspecting current function template parameter list length
        rather than num_template_parameter_lists.

2014-02-24  Jason Merrill  <jason@redhat.com>

        PR c++/60146
        * pt.c (tsubst_omp_for_iterator): Don't let substitution of the
        DECL_EXPR initialize a non-class iterator.

        PR c++/60312
        * parser.c (cp_parser_template_type_arg): Check for invalid 'auto'.

2014-02-21  Jason Merrill  <jason@redhat.com>

        PR c++/58170
        * parser.c (cp_parser_type_name): Always check dependency.
        (cp_parser_type_specifier_seq): Call
        cp_parser_parse_and_diagnose_invalid_type_name.

        PR c++/60108
        * semantics.c (expand_or_defer_fn_1): Check DECL_DEFAULTED_FN.

        PR c++/60185
        * parser.c (cp_parser_default_argument): Clear
        current_class_ptr/current_class_ref like tsubst_default_argument.

        PR c++/60252
        * lambda.c (maybe_resolve_dummy): Check lambda_function rather
        than current_binding_level.

        PR c++/60186
        * typeck2.c (massage_init_elt): Call fold_non_dependent_expr_sfinae.

        PR c++/60187
        * parser.c (cp_parser_enum_specifier): Call
        check_for_bare_parameter_packs.

        PR c++/59347
        * pt.c (tsubst_decl) [TYPE_DECL]: Don't try to instantiate an
        erroneous typedef.

        PR c++/60241
        * pt.c (lookup_template_class_1): Update DECL_TEMPLATE_INSTANTIATIONS
        of the partial instantiation, not the most general template.
        (maybe_process_partial_specialization): Reassign everything on
        that list.

        PR c++/60216
        * pt.c (register_specialization): Copy DECL_DELETED_FN to clones.
        (check_explicit_specialization): Don't clone.

        PR c++/60219
        * pt.c (coerce_template_parms): Bail if argument packing fails.

        PR c++/60224
        * decl.c (cp_complete_array_type, maybe_deduce_size_from_array_init):
        Don't get confused by a CONSTRUCTOR that already has a type.

        PR c++/60227
        * call.c (build_array_conv): Don't crash on VLA.

        PR c++/60248
        * mangle.c (mangle_decl): Don't make an alias for a TYPE_DECL.

        PR c++/60252
        * lambda.c (maybe_resolve_dummy): Don't try to capture this
        in declaration context.

        DR 1591
        PR c++/60051
        * pt.c (unify): Only unify if deducible.  Handle 0-length list.

        PR c++/60250
        * parser.c (cp_parser_direct_declarator): Don't wrap a
        type-dependent expression in a NOP_EXPR.

        PR c++/60251
        * lambda.c (is_normal_capture_proxy): Handle VLA capture.

        PR c++/60167
        PR c++/60222
        PR c++/58606
        * parser.c (cp_parser_template_argument): Restore dereference.
        * pt.c (template_parm_to_arg): Dereference non-pack expansions too.
        (process_partial_specialization): Handle deref.
        (unify): Likewise.

2014-02-21  Adam Butcher  <adam@jessamine.co.uk>

        PR c++/60052
        PR c++/60053
        * parser.c (cp_parser_parameter_declaration_list): Correctly reset
        implicit_template_scope upon leaving an out-of-line generic member
        function definition.

2014-02-20  Kai Tietz  <ktietz@redhat.com>

        PR c++/58873
        * parser.c (cp_parser_functional_cast): Treat NULL_TREE
        valued type argument as error_mark_node.

        PR c++/58835
        * semantics.c (finish_fname): Handle error_mark_node.

2014-02-19  Jason Merrill  <jason@redhat.com>

        PR c++/60046
        * pt.c (maybe_instantiate_noexcept): Don't instantiate exception
        spec from template context.

2014-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR debug/56563
        * cp-objcp-common.c (cp_function_decl_explicit_p): Remove
        FUNCTION_FIRST_USER_PARMTYPE (decl) != void_list_node check.

        PR c++/60267
        * pt.c (tsubst_expr): Handle ANNOTATE_EXPR.

2014-02-18  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/60225
        * semantics.c (ensure_literal_type_for_constexpr_object): Use
        strip_array_types.

2014-02-18  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/60215
        * semantics.c (cxx_eval_constant_expression, [COMPONENT_REF]):
        During error recovery allow_non_constant may be false.

2014-02-18  Adam Butcher  <adam@jessamine.co.uk>

        PR c++/60190
        * parser.c (cp_parser_lambda_declarator_opt): Pop template parameter
        scope whenever a template parameter list has been started, independent
        of whether the function call operator was well-formed or not.

        PR c++/60064
        * parser.c (cp_parser_member_declaration): Pop fully implicit template
        scope for generic friend declarations as well as for non-friends.

2014-02-12  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/60047
        * method.c (implicitly_declare_fn): A constructor of a class with
        virtual base classes isn't constexpr (7.1.5p4).

2014-02-05  Jan Hubicka  <hubicka@ucw.cz

        * parser.c (synthesize_implicit_template_parm): Use grow_tree_vec.

2014-02-05  Jakub Jelinek  <jakub@redhat.com>

        PR c++/58703
        * parser.c (cp_parser_omp_declare_reduction): Save and free
        declarator_obstack.

2014-02-03  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/53017
        PR c++/59211
        * tree.c (handle_init_priority_attribute): Call default_conversion on
        the attribute argument.

2014-02-03  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/58871
        * method.c (synthesized_method_walk): If vbases is non-null but
        is_empty is true, likewise don't worry about the virtual bases.

2014-02-01  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/51219
        * typeck2.c (process_init_constructor_record): Just skip unnamed
        bit-fields.

2014-01-31  Jason Merrill  <jason@redhat.com>

        PR c++/59469
        * pt.c (mark_decl_instantiated): Call mark_needed.

        PR c++/58672
        * decl2.c (handle_tls_init): Handle null init fn.

        PR c++/55800
        * decl2.c (get_tls_init_fn): Copy DECL_EXTERNAL from the variable.

2014-01-31  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/59082
        * class.c (build_vfield_ref): Early return error_mark_node if
        TYPE_VFIELD (type) is null.
        (build_base_path): Check return value of build_vfield_ref.

2014-01-31  Jason Merrill  <jason@redhat.com>

        PR c++/59646
        * call.c (convert_like_real) [ck_aggr]: Set TARGET_EXPR_LIST_INIT_P.
        [ck_list]: Check for error_mark_node.
        (build_aggr_conv): Set LOOKUP_NO_NARROWING and check_narrowing.

        PR c++/57043
        * pt.c (fn_type_unification): Don't do DEDUCE_EXACT check
        during partial ordering.

2014-01-31  Marek Polacek  <polacek@redhat.com>

        PR c/59963
        * typeck.c (build_function_call_vec): Add dummy arg_loc parameter.

2014-01-30  Jason Merrill  <jason@redhat.com>

        PR c++/57899
        * cp-tree.h (struct saved_scope): Add x_local_specializations.
        (local_specializations): New macro.
        * pt.c (local_specializations): Remove variable.

2014-01-30  Richard Sandiford  <rdsandiford@googlemail.com>

        PR c++/58708
        * parser.c (make_string_pack): Use double_int::from_buffer.

2014-01-30  Marek Polacek  <polacek@redhat.com>

        PR c/59940
        * typeck.c (build_ptrmemfunc1): Call convert_and_check with
        input_location.
        * cvt.c (cp_convert_and_check): Call warnings_for_convert_and_check
        with input_location.
        * call.c (build_conditional_expr_1): Call unsafe_conversion_p with
        loc parameter.

2014-01-30  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/58843
        * typeck.c (lookup_destructor): Check dtor_type for error_mark_node.

2014-01-30  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/58649
        * pt.c (lookup_template_class_1): Check start_enum return value
        for error_mark_node.

2014-01-30  Paolo Carlini  <paolo.carlini@oracle.com>

        * decl.c (duplicate_decls, typename_hash, typename_compare):
        Use TYPE_IDENTIFIER.
        * error.c (dump_type): Likewise.
        * mangle.c (dump_substitution_candidates): Likewise.

2014-01-30  Jason Merrill  <jason@redhat.com>

        PR c++/59633
        * decl2.c (attributes_naming_typedef_ok): New.
        * cp-tree.h: Declare it.
        * decl.c (grokdeclarator): Check it.
        * tree.c (no_linkage_check): Handle VECTOR_TYPE.

2014-01-29  Jason Merrill  <jason@redhat.com>

        PR c++/59707
        * call.c (add_builtin_candidate): Catch dependent types.

        PR c++/59989
        * pt.c (expand_template_argument_pack): Correct
        non_default_args_count calculation.

        PR c++/58466
        * pt.c (unify_pack_expansion): Call expand_template_argument_pack.

        PR c++/59956
        * friend.c (do_friend): Pass the TEMPLATE_DECL to add_friend if we
        have a friend template in a class template.
        * pt.c (tsubst_friend_function): Look through it.
        (push_template_decl_real): A friend member template is
        primary.

2014-01-29  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/58846
        * decl.c (get_dso_handle_node): Don't crash if dso_handle_node
        == error_mark_node.

2014-01-29  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/58674
        * pt.c (instantiate_template_1): Check for error_mark_node the second
        argument too.

2014-01-29  Jason Merrill  <jason@redhat.com>

        PR c++/59916
        * optimize.c (maybe_thunk_body): Build a RETURN_EXPR for
        cdtor_returns_this case.

        PR c++/59315
        * decl.c (cxx_maybe_build_cleanup): Call mark_used.

2014-01-29  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/58702
        * semantics.c (finish_omp_reduction_clause): Check type for
        error_mark_node.

2014-01-28  Jason Merrill  <jason@redhat.com>

        PR c++/59791
        * pt.c (tsubst_decl) [VAR_DECL]: Allow in unevaluated context.
        (tsubst_copy): Use it if lookup fails.

        PR c++/59818
        * pt.c (tsubst_function_type): Make sure we keep the same function
        quals.

        PR c++/58701
        * semantics.c (build_anon_member_initialization): Stop walking
        when we run out of COMPONENT_REFs.

        PR c++/58632
        * decl.c (lookup_and_check_tag): Ignore template parameters if
        scope == ts_current.
        * pt.c (check_template_shadow): Don't complain about the injected
        class name.

        * decl.c (duplicate_decls): Tweak.

        PR c++/53756
        * mangle.c (write_unqualified_name): Handle operator auto.

2014-01-27  Jason Merrill  <jason@redhat.com>

        PR c++/59823
        Core DR 1138
        * call.c (reference_binding): Pass LOOKUP_NO_TEMP_BIND for
        list-initialization.  A conversion to rvalue ref that involves
        an lvalue-rvalue conversion is bad.
        (convert_like_real): Give helpful error message.

        PR c++/54652
        * decl.c (duplicate_decls): Always use oldtype for TYPE_DECL.

        PR c++/58504
        * pt.c (tsubst_copy_and_build) [TRAIT_EXPR]: Use tsubst for
        types.

        PR c++/58606
        * pt.c (template_parm_to_arg): Call convert_from_reference.
        (tsubst_template_arg): Don't strip reference refs.

        PR c++/58639
        * call.c (build_aggr_conv): Reject value-initialization of reference.

        PR c++/58812
        PR c++/58651
        * call.c (convert_like_real): Give helpful error about excess braces
        for ck_rvalue of scalar type.

        Core DR 1288
        * call.c (reference_binding): Only elide braces if the single
        element is reference-related.

        PR c++/58814
        * typeck.c (cp_build_modify_expr): Make the RHS an rvalue before
        stabilizing.

        PR c++/58837
        * typeck.c (cp_truthvalue_conversion): Use explicit comparison for
        FUNCTION_DECL.

        PR c++/59097
        * decl.c (compute_array_index_type): Don't call
        maybe_constant_value for a non-integral expression.

2014-01-24  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * call.c (magic_varargs_p): Replaced flag_enable_cilkplus with
        flag_cilkplus.
        * cp-gimplify.c (cp_genericize): Likewise.
        * decl.c (grokfndecl): Likewise.
        * parser.c (cp_parser_postfix_expression): Likewise.
        (cp_parser_postfix_open_square_expression): Likewise.
        (cp_parser_direct_declarator): Likewise.
        (is_cilkplus_vector_p): Likewise.
        (cp_parser_omp_clause_name): Likewise.
        (cp_parser_omp_all_clauses): Likewise.
        * pt.c (apply_late_template_attributes): Likewise.
        * typeck.c (cp_build_array_ref): Likewise.
        (cp_build_compound_expr): Likewise.
        (check_return_expr): Likewise.

2014-01-24  Jason Merrill  <jason@redhat.com>

        PR c++/58550
        * decl.c (grokdeclarator): Turn pedwarn about auto return type in
        c++11 into error.

        PR c++/59886
        PR c++/59659
        * typeck2.c (process_init_constructor_array): Don't create
        RANGE_EXPR yet.

2014-01-24  Jakub Jelinek  <jakub@redhat.com>

        * typeck2.c (split_nonconstant_init_1): Fix num_split_elts
        handling for RANGE_ARRAY case.

2014-01-24  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/57524
        * name-lookup.c (push_using_directive): Use timevar_cond_start.

2014-01-23  Marek Polacek  <polacek@redhat.com>

        PR c/59846
        * typeck.c (cp_build_binary_op): Pass location to shorten_compare.

2014-01-23  Marek Polacek  <polacek@redhat.com>

        PR c/58346
        * typeck.c (pointer_diff): Give an error on arithmetic on pointer to
        an empty aggregate.

2014-01-23  Jason Merrill  <jason@redhat.com>

        PR c++/55189
        * cp-tree.h (struct language_function): Add infinite_loop and
        infinite_loops.
        (current_function_infinite_loop): New.
        * semantics.c (begin_maybe_infinite_loop, end_maybe_infinite_loop)
        (break_maybe_infinite_loop): New.
        (finish_while_stmt_cond, finish_while_stmt, begin_do_stmt)
        (finish_do_stmt, finish_for_cond, finish_for_stmt)
        (begin_range_for_stmt): Use them.
        * decl.c (finish_function): Don't warn about missing return
        if current_function_infinite_loop.
        * pt.c (instantiate_decl): Copy current_function_infinite_loop.
        * parser.c (cp_parser_jump_statement): Call break_maybe_infinite_loop.

        * call.c (build_op_delete_call): Use make_tree_vector and
        release_tree_vector.

2014-01-23  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/58980
        * parser.c (cp_parser_enum_specifier): Handle TYPENAME_TYPE as
        nested_name_specifier.

2014-01-23  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * parser.c (cp_parser_direct_declarator): When Cilk Plus is enabled
        see if there is an attribute after function decl.  If so, then
        parse them now.
        (cp_parser_late_return_type_opt): Handle parsing of Cilk Plus SIMD
        enabled function late parsing.
        (cp_parser_gnu_attribute_list): Parse all the tokens for the vector
        attribute for a SIMD-enabled function.
        (cp_parser_omp_all_clauses): Skip parsing to the end of pragma when
        the function is used by SIMD-enabled function (indicated by NULL
        pragma token).   Added 3 new clauses: PRAGMA_CILK_CLAUSE_MASK,
        PRAGMA_CILK_CLAUSE_NOMASK and PRAGMA_CILK_CLAUSE_VECTORLENGTH
        (cp_parser_cilk_simd_vectorlength): Modified this function to handle
        vectorlength clause in SIMD-enabled function and #pragma SIMD's
        vectorlength clause.  Added a new bool parameter to differentiate
        between the two.
        (cp_parser_cilk_simd_fn_vector_attrs): New function.
        (is_cilkplus_vector_p): Likewise.
        (cp_parser_late_parsing_elem_fn_info): Likewise.
        (cp_parser_omp_clause_name): Added a check for "mask", "nomask"
        and "vectorlength" clauses when Cilk Plus is enabled.
        (cp_parser_omp_clause_linear): Added a new parameter of type bool
        and emit a sorry message when step size is a parameter.
        * parser.h (cp_parser::cilk_simd_fn_info): New field.
        * decl.c (grokfndecl): Added flag_enable_cilkplus along with
        flag_openmp.
        * pt.c (apply_late_template_attributes): Likewise.

2014-01-23  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/58809
        * semantics.c (finish_omp_reduction_clause): Reject
        BIT_AND_EXPR, BIT_IOR_EXPR and BIT_XOR_EXPR on COMPLEX_TYPEs.

2014-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>

        PR c++/59482
        * parser.c (cp_parser_class_head): Push the class before parsing
        the base-clause, pop after it.

2014-01-20  Eric Botcazou  <ebotcazou@adacore.com>

        * decl2.c (cpp_check): Revert prototype change.

2014-01-17  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/59270
        PR c++/58811
        * init.c (build_value_init_noctor): Don't pass error_mark_node to
        build_value_init.

2014-01-17  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/59269
        * init.c (build_value_init_noctor): Assert !TYPE_HAS_COMPLEX_DFLT
        only when errorcount == 0.

2014-01-17  Marek Polacek  <polacek@redhat.com>

        PR c++/59838
        * cvt.c (ocp_convert): Don't segfault on non-existing
        ENUM_UNDERLYING_TYPE.

2014-01-16  Jason Merrill  <jason@redhat.com>

        PR c++/59821
        * tree.c (bot_manip): Update the location of builtin_LINE and
        builtin_FILE calls.

2014-01-14  Jason Merrill  <jason@redhat.com>

        PR c++/59659
        * typeck2.c (massage_init_elt): New.
        (process_init_constructor_record)
        (process_init_constructor_union): Use it.
        (process_init_constructor_array): Use it.  Use RANGE_EXPR.
        (split_nonconstant_init_1): Handle it.
        * semantics.c (cxx_eval_vec_init_1): Use force_rvalue.

2014-01-09  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        PR c++/59631
        * parser.c (cp_parser_postfix_expression): Added a new if-statement
        and replaced an existing if-statement with else-if statement.
        Changed an existing error message wording to match the one from the C
        parser.

2014-01-08  Jason Merrill  <jason@redhat.com>

        PR c++/59614
        * class.c (abi_tag_data): Add tags field.
        (check_abi_tags): Initialize it.
        (find_abi_tags_r): Support collecting missing tags.
        (mark_type_abi_tags): Don't look at template args.
        (inherit_targ_abi_tags): New.
        (check_bases_and_members): Use it.
        * cp-tree.h (ABI_TAG_IMPLICIT): New.
        * mangle.c (write_abi_tags): Check it.

2014-01-07  Jason Merrill  <jason@redhat.com>

        PR c++/58856
        * pt.c (num_innermost_template_parms): New.
        (get_underlying_template): Use it.

        PR c++/58965
        * mangle.c (write_guarded_var_name): Handle null DECL_NAME.

2014-01-07  Paolo Carlini  <paolo.carlini@oracle.com>

        * semantics.c (trait_expr_value, [CPTK_IS_BASE_OF]): Implement
        the letter of 20.11.6 about Base and Derived naming the same
        class type modulo cv-qualifiers.

2014-01-06  Adam Butcher  <adam@jessamine.co.uk>

        PR c++/59635
        * lambda.c (maybe_add_lambda_conv_op): Handle marking conversion
        function as unimplemented for generic lambdas with varargs.

        PR c++/59636
        * parser.c (cp_parser_template_parameter): Early out with
        error_mark_node if parameter declaration was not parsed.

        PR c++/59629
        * parser.c (cp_parser_lambda_expression): Save/reset/restore
        auto_is_implicit_function_template_parm_p around lambda body.

        PR c++/59638
        * parser.c (cp_parser_init_declarator): Undo fully implicit
        template parameter list when declarator is not a function.

2014-01-03  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/58950
        * cvt.c (convert_to_void): Handle VEC_PERM_EXPR and VEC_COND_EXPR.

2014-01-03  Tobias Burnus  <burnus@net-b.de>

        PR c++/58567
        * pt.c (tsubst_omp_for_iterator): Early return for error_mark_node.

2014-01-03  Paolo Carlini  <paolo.carlini@oracle.com>

        Core DR 1442
        PR c++/59165
        * parser.c (cp_parser_perform_range_for_lookup): Don't pass true
        as include_std to perform_koenig_lookup.
        (cp_parser_postfix_expression): Adjust.
        * pt.c (tsubst_copy_and_build): Likewise.
        * semantics.c (perform_koenig_lookup): Remove bool parameter.
        (omp_reduction_lookup): Adjust.
        * name-lookup.c (lookup_arg_dependent_1): Remove bool parameter.
        (lookup_arg_dependent): Likewise.
        (lookup_function_nonclass): Adjust.
        * name-lookup.h: Adjust declaration.
        * cp-tree.h: Likewise.

2014-01-02  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/59087
        * parser.c (cp_parser_userdef_numeric_literal): Mention
        -fext-numeric-literals in the message.

2014-01-02  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/59641
        * call.c (build_conditional_expr_1): Check the return value of
        force_rvalue.

2014-01-02  Marc Glisse  <marc.glisse@inria.fr>

        * call.c (convert_like_real): Check complain.

2014-01-02  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/59378
        * typeck.c (build_x_vec_perm_expr): Handle non-dependent arguments
        in templates.

2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

        Update copyright years

2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * cp-array-notation.c, cp-cilkplus.c, vtable-class-hierarchy.c: Use
        the standard form for the copyright notice.
\f
Copyright (C) 2014 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.