--- old/src/share/vm/ci/ciSymbol.hpp	2010-11-16 18:09:06.000000000 +0100
+++ new/src/share/vm/ci/ciSymbol.hpp	2010-11-16 18:09:06.000000000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2009, 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 +22,14 @@
  *
  */
 
+#ifndef SHARE_VM_CI_CISYMBOL_HPP
+#define SHARE_VM_CI_CISYMBOL_HPP
+
+#include "ci/ciObject.hpp"
+#include "ci/ciObjectFactory.hpp"
+#include "classfile/vmSymbols.hpp"
+#include "oops/symbolOop.hpp"
+
 // ciSymbol
 //
 // This class represents a symbolOop in the HotSpot virtual
@@ -89,3 +97,5 @@
   VM_SYMBOLS_DO(CI_SYMBOL_DECLARE, CI_SYMBOL_DECLARE)
 #undef CI_SYMBOL_DECLARE
 };
+
+#endif // SHARE_VM_CI_CISYMBOL_HPP