--- gcc/dwarf2out.c.jj	2011-06-06 10:30:05.000000000 +0200
+++ gcc/dwarf2out.c	2011-06-06 18:02:28.000000000 +0200
@@ -18065,7 +18065,7 @@ native_encode_initializer (tree init, un
 		{
 		  int count = tree_low_cst (TREE_OPERAND (index, 1), 0)
 			      - tree_low_cst (TREE_OPERAND (index, 0), 0);
-		  while (count > 0)
+		  while (count-- > 0)
 		    {
 		      if (val)
 			memcpy (array + curpos, array + pos, fieldsize);