--- old/src/share/vm/oops/methodKlass.hpp	2010-11-16 18:16:06.000000000 +0100
+++ new/src/share/vm/oops/methodKlass.hpp	2010-11-16 18:16:06.000000000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2006, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 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
@@ -22,6 +22,13 @@
  *
  */
 
+#ifndef SHARE_VM_OOPS_METHODKLASS_HPP
+#define SHARE_VM_OOPS_METHODKLASS_HPP
+
+#include "oops/klass.hpp"
+#include "oops/klassOop.hpp"
+#include "oops/methodOop.hpp"
+
 // a methodKlass is the klass of a methodOop
 
 class methodKlass : public Klass {
@@ -81,3 +88,5 @@
   bool oop_partially_loaded(oop obj) const;
   void oop_set_partially_loaded(oop obj);
 };
+
+#endif // SHARE_VM_OOPS_METHODKLASS_HPP