* objc-act.c (objc_finish_try_stmt): Add return value.
        (objc_build_synchronized): Likewise.

        * objc-act.c (objc_is_gcable_type): Add.
        (objc_substitute_decl): Add.
        (objc_build_ivar_assignment): Add.
        (objc_build_global_assignment): Add.
        (objc_build_strong_cast_assignment): Add.
        (objc_is_ivar_reference_p): Add.
        (objc_is_global_reference_p): Add.
        (objc_generate_write_barrier): Add.
        (objc_rewrite_function_call): Add.
        (objc_gimplify_expr): Add Objective-C++ support.
        * objc-act.h (ALLOC_OBJC_TYPE_LANG_SPECIFIC): Likewise.
        (SIZEOF_OBJC_TYPE_LANG_SPECIFIC): Add.
        (INIT_TYPE_OBJC_INFO): Add Objective-C++ support.
        (DUP_TYPE_OBJC_INFO): Likewise.
        (struct imp_entry): Add field has_cxx_cdtors.
        (struct imp_entry *imp_list): Add OCTI_UMSG_FAST_DECL,
        OCTI_METH_LIST_TEMPL, OCTI_METH_PROTO_LIST_TEMPL,
        OCTI_IVAR_LIST_TEMPL, OCTI_ASSIGN_IVAR_DECL,
        OCTI_ASSIGN_IVAR_FAST_DECL, OCTI_ASSIGN_GLOBAL_DECL,
        OCTI_ASSIGN_STRONGCAST_DECL.
        (umsg_fast_decl): Add.
        (objc_assign_ivar_decl): Add.
        (objc_assign_ivar_fast_decl): Add.
        (objc_assign_global_decl): Add.
        (objc_assign_strong_cast_decl): Add.
        (objc_method_list_ptr): Add.
        (objc_method_proto_list_ptr): Add.
        (objc_ivar_list_ptr): Add.

        * objc-act.c (should_call_super_dealloc): Add.
        (OBJC_VERSION): Bump to 6.
        (objc_is_gcable_type): Add.
        (objc_substitute_decl): Add.
        (objc_build_ivar_assignment): Add.
        (objc_build_global_assignment): Add.
        (objc_build_strong_cast_assignment): Add.
        (objc_is_gcable_p): Add.
        (objc_is_ivar_reference_p): Add.
        (objc_is_global_reference_p): Add.
        (generate_shared_structures): Add flags parameter.
        (objc_generate_cxx_ctor_or_dtor): Add.
        (objc_generate_cxx_cdtors): Add.
        (add_class): Add name parameter.
        (objc_types_share_size_and_alignment): Add.
        (comp_proto_with_proto): Add strict parameter.
        (CLS_HAS_CXX_STRUCTORS): Add.
        (TAG_ASSIGNIVAR): Add.
        (TAG_ASSIGNGLOBAL): Add.
        (TAG_ASSIGNSTRONGCAST): Add.
        (TAG_MSGSEND_FAST): Add.
        (TAG_ASSIGNIVAR_FAST): Add.
        (TAG_CXX_CONSTRUCT): Add.
        (TAG_CXX_DESTRUCT): Add.
        (OBJC_LOOKUP_CLASS): Add.
        (OBJC_LOOKUP_NO_SUPER): Add.
        (objc_finish_file): Add pch support.
        (objc_finish_implementation): Add Objective-C++ support.
        (synth_module_prologue): Likewise.
        (synth_module_prologue): Add fast dispatching.
        (objc_get_class_reference): Add Objective-C++ support.
        (objc_generate_write_barrier): Likewise.
        (next_sjlj_build_enter_and_setjmp): Likewise.
        (objc_begin_try_stmt): Likewise.
        (build_next_objc_exception_stuff): Add fast ivar support.
        (build_private_template): Mark the record as used so debug
        information is generated.
        (build_protocol_template): Add Objective-C++ support.
        (objc_method_parm_type) Likewise.
        (objc_generate_cxx_ctor_or_dtor): Likewise.
        (objc_generate_cxx_cdtors): Likewise.
        (build_protocol_initializer): Likewise.
        (build_category_template): Likewise.
        (build_class_template): Likewise.
        (build_method_list_template): Likewise.
        (build_category_initializer): Likewise.
        (build_shared_structure_initializer): Likewise.
        (objc_finish_message_expr): Likewise.
        (build_objc_method_call): Add fast dispatch support.
        (lookup_method_static): Add support to end search at superclasses.
        (add_method_to_hash_list): Add strict parameter to
        comp_proto_with_proto.
        (objc_add_method): Likewise.
        (objc_add_method): Also set the interface_value.
        (add_instance_variable): Add Objective-C++ support.
        (objc_is_public): Likewise.
        (start_class): Likewise.
        (continue_class): Likewise.
        (encode_aggregate_within): Likewise.
        (start_method_def): Likewise.
        (objc_start_function): Clear current_function_returns_value
        and current_function_returns_null.
        (really_start_method): Add Objective-C++ support.
        (objc_finish_method_definition): Add warning for missing
        [super dealloc].
        (finish_objc): Add Objective-C++ support.
        (generate_objc_image_info): Likewise.
        (objc_lookup_ivar): Likewise.
        * objc-act.h (TYPE_HAS_OBJC_INFO): Likewise.
        (INIT_TYPE_OBJC_INFO): Likewise.
        (DUP_TYPE_OBJC_INFO): Likewise.

From-SVN: r99857