// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

/**
 * @assertion The scope of a label that labels a statement s is s. The scope of
 * a label that labels a case clause of a switch statement s is s.
 * @description Checks that a label can't be referenced from outside of its
 * statement.
 * @compile-error
 * @author rodionov
 */

main() {
  L: var x;
  do {
    continue L;
  } while (false);
}
