--- old/src/share/vm/c1/c1_ValueSet.hpp	2010-11-16 18:08:07.000000000 +0100
+++ new/src/share/vm/c1/c1_ValueSet.hpp	2010-11-16 18:08:06.000000000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2005, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 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_C1_C1_VALUESET_HPP
+#define SHARE_VM_C1_C1_VALUESET_HPP
+
+#include "c1/c1_Instruction.hpp"
+#include "memory/allocation.hpp"
+#include "utilities/bitMap.inline.hpp"
+
 // A ValueSet is a simple abstraction on top of a BitMap representing
 // a set of Instructions. Currently it assumes that the number of
 // instructions is fixed during its lifetime; should make it
@@ -93,3 +100,5 @@
 inline bool ValueSet::equals(ValueSet* other) {
   return _map.is_same(other->_map);
 }
+
+#endif // SHARE_VM_C1_C1_VALUESET_HPP