--- a/hotspot/src/share/vm/opto/phaseX.hpp	Fri Oct 05 19:44:49 2012 -0700
+++ b/hotspot/src/share/vm/opto/phaseX.hpp	Mon Oct 08 13:02:13 2012 -0700
@@ -497,8 +497,8 @@
 #ifndef PRODUCT
 protected:
   // Sub-quadratic implementation of VerifyIterativeGVN.
-  unsigned long _verify_counter;
-  unsigned long _verify_full_passes;
+  julong _verify_counter;
+  julong _verify_full_passes;
   enum { _verify_window_size = 30 };
   Node* _verify_window[_verify_window_size];
   void verify_step(Node* n);