diff -r c2d95df2c54e -r 7cbd1b2c139b hotspot/src/share/vm/opto/split_if.cpp
--- a/hotspot/src/share/vm/opto/split_if.cpp	Mon Oct 19 15:03:58 2015 +0200
+++ b/hotspot/src/share/vm/opto/split_if.cpp	Thu Oct 22 13:07:10 2015 -0400
@@ -451,8 +451,8 @@
 
   // Replace both uses of 'new_iff' with Regions merging True/False
   // paths.  This makes 'new_iff' go dead.
-  Node *old_false, *old_true;
-  Node *new_false, *new_true;
+  Node *old_false = NULL, *old_true = NULL;
+  Node *new_false = NULL, *new_true = NULL;
   for (DUIterator_Last j2min, j2 = iff->last_outs(j2min); j2 >= j2min; --j2) {
     Node *ifp = iff->last_out(j2);
     assert( ifp->Opcode() == Op_IfFalse || ifp->Opcode() == Op_IfTrue, "" );