--- old/src/cpu/x86/vm/frame_x86.inline.hpp	2010-10-28 13:47:40.000000000 +0200
+++ new/src/cpu/x86/vm/frame_x86.inline.hpp	2010-10-28 13:47:39.000000000 +0200
@@ -22,6 +22,9 @@
  *
  */
 
+#ifndef CPU_X86_VM_FRAME_X86_INLINE_HPP
+#define CPU_X86_VM_FRAME_X86_INLINE_HPP
+
 // Inline functions for Intel frames:
 
 // Constructors:
@@ -296,3 +299,5 @@
 inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) {
   *((oop*) map->location(rax->as_VMReg())) = obj;
 }
+
+#endif // CPU_X86_VM_FRAME_X86_INLINE_HPP