--- old/hotspot/src/share/vm/opto/callGenerator.cpp	2009-08-01 04:13:26.446734353 +0100
+++ new/hotspot/src/share/vm/opto/callGenerator.cpp	2009-08-01 04:13:26.377513097 +0100
@@ -2,7 +2,7 @@
 #pragma ident "@(#)callGenerator.cpp	1.49 07/08/07 15:24:21 JVM"
 #endif
 /*
- * Copyright 2000-2006 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 2000-2008 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -467,6 +467,12 @@
     }
   }
 
+  if (kit.stopped()) {
+    // Instance exactly does not matches the desired type.
+    kit.set_jvms(slow_jvms);
+    return kit.transfer_exceptions_into_jvms();
+  }
+
   // fall through if the instance exactly matches the desired type
   kit.replace_in_map(receiver, exact_receiver);