--- old/src/share/vm/c1/c1_ValueStack.hpp	2010-11-16 18:08:08.000000000 +0100
+++ new/src/share/vm/c1/c1_ValueStack.hpp	2010-11-16 18:08:08.000000000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2006, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 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 +22,11 @@
  *
  */
 
+#ifndef SHARE_VM_C1_C1_VALUESTACK_HPP
+#define SHARE_VM_C1_C1_VALUESTACK_HPP
+
+#include "c1/c1_Instruction.hpp"
+
 class ValueStack: public CompilationResourceObj {
  public:
   enum Kind {
@@ -322,3 +327,5 @@
     }                                                                                          \
   }                                                                                            \
 }
+
+#endif // SHARE_VM_C1_C1_VALUESTACK_HPP