--- old/src/share/vm/c1/c1_LIR.hpp	2010-11-16 18:07:53.000000000 +0100
+++ new/src/share/vm/c1/c1_LIR.hpp	2010-11-16 18:07:52.000000000 +0100
@@ -22,6 +22,11 @@
  *
  */
 
+#ifndef SHARE_VM_C1_C1_LIR_HPP
+#define SHARE_VM_C1_C1_LIR_HPP
+
+#include "c1/c1_ValueType.hpp"
+
 class BlockBegin;
 class BlockList;
 class LIR_Assembler;
@@ -2282,3 +2287,5 @@
 
 
 inline LIR_Opr LIR_OprDesc::illegalOpr()   { return LIR_OprFact::illegalOpr; };
+
+#endif // SHARE_VM_C1_C1_LIR_HPP