--- old/src/share/vm/gc_implementation/parallelScavenge/asPSOldGen.hpp	2010-11-16 18:12:03.000000000 +0100
+++ new/src/share/vm/gc_implementation/parallelScavenge/asPSOldGen.hpp	2010-11-16 18:12:03.000000000 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 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 +22,16 @@
  *
  */
 
+#ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_ASPSOLDGEN_HPP
+#define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_ASPSOLDGEN_HPP
+
+#include "gc_implementation/parallelScavenge/objectStartArray.hpp"
+#include "gc_implementation/parallelScavenge/psOldGen.hpp"
+#include "gc_implementation/parallelScavenge/psVirtualspace.hpp"
+#include "gc_implementation/shared/generationCounters.hpp"
+#include "gc_implementation/shared/mutableSpace.hpp"
+#include "gc_implementation/shared/spaceCounters.hpp"
+
 class ASPSOldGen : public PSOldGen {
   friend class VMStructs;
   size_t _gen_size_limit;  // Largest size the generation's reserved size
@@ -55,3 +65,5 @@
   // Debugging support
   virtual const char* short_name() const { return "ASPSOldGen"; }
 };
+
+#endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_ASPSOLDGEN_HPP