--- old/src/share/vm/c1/c1_InstructionPrinter.hpp	2010-11-10 13:04:42.000000000 +0100
+++ new/src/share/vm/c1/c1_InstructionPrinter.hpp	2010-11-10 13:04:41.000000000 +0100
@@ -22,6 +22,13 @@
  *
  */
 
+#ifndef SHARE_VM_C1_C1_INSTRUCTIONPRINTER_HPP
+#define SHARE_VM_C1_C1_INSTRUCTIONPRINTER_HPP
+
+#include "c1/c1_IR.hpp"
+#include "c1/c1_Instruction.hpp"
+#include "c1/c1_Runtime1.hpp"
+
 #ifndef PRODUCT
 class InstructionPrinter: public InstructionVisitor {
  private:
@@ -126,3 +133,5 @@
   virtual void do_ProfileInvoke  (ProfileInvoke*   x);
 };
 #endif // PRODUCT
+
+#endif // SHARE_VM_C1_C1_INSTRUCTIONPRINTER_HPP