VM.assert(VM.NOT_REACHED);
VM._assert(VM.NOT_REACHED);
  private static void enableObjectAddressRemapper() {    VM_Magic.setObjectAddressRemapper(      new VM_ObjectAddressRemapper() {        public VM_Address objectAsAddress(Object jdkObject) {          return BootImageMap.findOrCreateEntry(jdkObject).objectId;        }        public Object addressAsObject(VM_Address address) {	  VM.sysWriteln("anonymous VM_ObjectAddressMapper: called addressAsObject");	  VM.assert(VM.NOT_REACHED);          return null;        }      }    );  }