2012-02-14  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/51969
	Backported from mainline
	2011-11-08  Michael Matz  <matz@suse.de>

	* gengtype.c (write_field_root): Avoid out-of-scope access of newv.

--- gcc/gengtype.c	(revision 181171)
+++ gcc/gengtype.c	(revision 181172)
@@ -3651,14 +3651,13 @@ write_field_root (outf_p f, pair_p v, ty
 		  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));