diff -r 7aff5786cc02 -r 87d6a4d1ecbc src/share/vm/oops/cpCacheOop.hpp
--- a/src/share/vm/oops/cpCacheOop.hpp	Mon Oct 18 01:54:24 2010 -0700
+++ b/src/share/vm/oops/cpCacheOop.hpp	Tue Oct 19 02:52:57 2010 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2010, Oracle and/or its affiliates. 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
@@ -130,6 +130,7 @@
     assert(existing_f1 == NULL || existing_f1 == f1, "illegal field change");
     oop_store(&_f1, f1);
   }
+  void set_f1_if_null_atomic(oop f1);
   void set_f2(intx f2)                           { assert(_f2 == 0    || _f2 == f2, "illegal field change"); _f2 = f2; }
   int as_flags(TosState state, bool is_final, bool is_vfinal, bool is_volatile,
                bool is_method_interface, bool is_method);