--- old/src/share/vm/opto/library_call.cpp	Thu Mar 20 20:17:39 2014
+++ new/src/share/vm/opto/library_call.cpp	Thu Mar 20 20:17:37 2014
@@ -2600,7 +2600,7 @@
     case T_ADDRESS:
       // Cast to an int type.
       p = _gvn.transform(new (C) CastP2XNode(NULL, p));
-      p = ConvX2L(p);
+      p = ConvX2UL(p);
       break;
     default:
       fatal(err_msg_res("unexpected type %d: %s", type, type2name(type)));