Index: gcc/tree-ssa-loop-ivcanon.c
===================================================================
--- gcc/tree-ssa-loop-ivcanon.c	(revision 197948)
+++ gcc/tree-ssa-loop-ivcanon.c	(working copy)
@@ -652,7 +652,8 @@
 			    HOST_WIDE_INT maxiter,
 			    location_t locus)
 {
-  unsigned HOST_WIDE_INT n_unroll, ninsns, max_unroll, unr_insns;
+  unsigned HOST_WIDE_INT n_unroll = 0;
+  unsigned HOST_WIDE_INT ninsns, max_unroll, unr_insns;
   gimple cond;
   struct loop_size size;
   bool n_unroll_found = false;