diff -r ee5cc9e78493 -r d6f45b55c972 src/share/vm/opto/addnode.cpp
--- a/src/share/vm/opto/addnode.cpp	Fri Aug 20 09:55:50 2010 -0700
+++ b/src/share/vm/opto/addnode.cpp	Fri Aug 27 17:33:49 2010 -0700
@@ -705,6 +705,9 @@
     }
     addr = addr->in(AddPNode::Address);
   }
+  if (addr != base) {
+    return -1;
+  }
   return count;
 }