void frame::ZapDeadClosure::do_oop(oop* p) {

      if (TraceZapDeadLocals) tty->print_cr("zapping @ " INTPTR_FORMAT " containing " INTPTR_FORMAT, p, (address)*p);
      // Need cast because on _LP64 the conversion to oop is ambiguous.  Constant
      // can be either long or int.
      *p = (oop)(int)0xbabebabe;
    }