--- old/src/cpu/zero/vm/cppInterpreter_zero.cpp	2012-11-23 18:09:09.393995579 +0100
+++ new/src/cpu/zero/vm/cppInterpreter_zero.cpp	2012-11-23 18:09:09.240995761 +0100
@@ -1015,11 +1015,7 @@
 // Helper for figuring out if frames are interpreter frames
 
 bool CppInterpreter::contains(address pc) {
-#ifdef PRODUCT
-  ShouldNotCallThis();
-#else
   return false; // make frame::print_value_on work
-#endif // !PRODUCT
 }
 
 // Result handlers and convertors