--- a/hotspot/src/cpu/zero/vm/stack_zero.hpp	Thu Apr 29 17:53:58 2010 -0700
+++ b/hotspot/src/cpu/zero/vm/stack_zero.hpp	Fri Apr 30 04:27:25 2010 -0700
@@ -95,6 +95,9 @@
   static void handle_overflow(TRAPS);
 
  public:
+  void zap(int c) PRODUCT_RETURN;
+
+ public:
   static ByteSize base_offset() {
     return byte_offset_of(ZeroStack, _base);
   }