--- trunk/gcc/tree-vect-data-refs.c	2015/11/20 16:15:57	230666
+++ trunk/gcc/tree-vect-data-refs.c	2015/11/20 16:27:17	230667
@@ -2545,6 +2545,8 @@
   if (t2 == NULL)
     return 1;
 
+  STRIP_NOPS (t1);
+  STRIP_NOPS (t2);
 
   if (TREE_CODE (t1) != TREE_CODE (t2))
     return TREE_CODE (t1) < TREE_CODE (t2) ? -1 : 1;