--- old/hotspot/src/cpu/sparc/vm/c1_MacroAssembler_sparc.cpp	2009-08-01 04:07:19.096335719 +0100
+++ new/hotspot/src/cpu/sparc/vm/c1_MacroAssembler_sparc.cpp	2009-08-01 04:07:19.004498482 +0100
@@ -2,7 +2,7 @@
 #pragma ident "@(#)c1_MacroAssembler_sparc.cpp	1.65 07/06/18 14:25:23 JVM"
 #endif
 /*
- * Copyright 1999-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1999-2008 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
@@ -239,7 +239,7 @@
   Register t1,                         // temp register
   Register t2                          // temp register
   ) {
-  const int hdr_size_in_bytes = oopDesc::header_size_in_bytes();
+  const int hdr_size_in_bytes = instanceOopDesc::base_offset_in_bytes();
 
   initialize_header(obj, klass, noreg, t1, t2);