_registry_update() invalid arguments to $transaction->rollback()

_registry_update() contains code:

$transaction = db_transaction();
try {
   // ...
}
catch (Exception $e) {
  $transaction->rollback('registry', $e->getMessage(), array(), WATCHDOG_ERROR);
  throw $e;
}

Shouldn't the catch statement be

$transaction->rollback();
watchdog('registry', $e->getMessage(), array(), WATCHDOG_ERROR);
throw $e;