Index: builtins.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/builtins.c,v
retrieving revision 1.467
diff -u -p -r1.467 builtins.c
--- builtins.c	28 Jun 2005 19:55:45 -0000	1.467
+++ builtins.c	4 Jul 2005 19:07:49 -0000
@@ -8881,9 +8881,7 @@ fold_builtin (tree fndecl, tree arglist,
   tree exp = fold_builtin_1 (fndecl, arglist, ignore);
   if (exp)
     {
-      /* ??? Don't clobber shared nodes such as integer_zero_node.  */
-      if (CONSTANT_CLASS_P (exp))
-	exp = build1 (NOP_EXPR, TREE_TYPE (exp), exp);
+      exp = build1 (NOP_EXPR, TREE_TYPE (exp), exp);
       TREE_NO_WARNING (exp) = 1;
     }