(IS_ID, IS_PROTOCOL_QUALIFIED_ID, IS_SUPER): New type
        checking macros.
        (objc_comptypes, build_message_expr, gen_declspecs): Use them.
(IS_ID, IS_PROTOCOL_QUALIFIED_ID, IS_SUPER): New type
        checking macros.
        (objc_comptypes, build_message_expr, gen_declspecs): Use them.
(gen_declarator): Don't use strcpy's return value.
(build_message_expr): Allow any type that matches
        objc_class_type.
(get_class_reference): We already have a name.
(build_objc_string): Use TREE_SET_CODE instead of
        assigning to TREE_CODE.
        (build_objc_string_object): Ditto.

From-SVN: r4158