--- a/gcc/c/c-parser.h	Fri Oct 27 22:46:09 2017 +0900
+++ b/gcc/c/c-parser.h	Thu Oct 25 07:37:49 2018 +0900
@@ -1,5 +1,5 @@
 /* Declarations for the parser for C and Objective-C.
-   Copyright (C) 1987-2017 Free Software Foundation, Inc.
+   Copyright (C) 1987-2018 Free Software Foundation, Inc.
 
    Parser actions based on the old Bison parser; structure somewhat
    influenced by and fragments based on the C++ parser.
@@ -155,6 +155,9 @@
 extern bool c_parser_error (c_parser *parser);
 extern void c_parser_set_error (c_parser *parser, bool);
 
+/* A bit of a hack to have this here.  It would be better in a c-decl.h.  */
+extern bool old_style_parameter_scope (void);
+
 /* Return true if the next token from PARSER has the indicated
    TYPE.  */
 
@@ -187,6 +190,6 @@
 		     bool *seen_id);
 extern void c_parser_declspecs (c_parser *, struct c_declspecs *, bool, bool,
 				bool, bool, bool, enum c_lookahead_kind);
-extern struct c_type_name *c_parser_type_name (c_parser *);
+extern struct c_type_name *c_parser_type_name (c_parser *, bool = false);
 
 #endif