--- a/gcc/gengtype.c	2013-10-22 13:06:00.926174748 +0800
+++ b/gcc/gengtype.c	2013-10-22 13:06:53.533513385 +0800
@@ -3594,14 +3594,14 @@
 		  int has_length, struct fileloc *line, const char *if_marked,
 		  bool emit_pch, type_p field_type, const char *field_name)
 {
+  struct pair newv;
+
   /* If the field reference is relative to V, rather than to some
      subcomponent of V, we can mark any subarrays with a single stride.
      We're effectively treating the field as a global variable in its
      own right.  */
   if (v && type == v->type)
     {
-      struct pair newv;
-
       newv = *v;
       newv.type = field_type;
       newv.name = ACONCAT ((v->name, ".", field_name, NULL));