// 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 it is not an error when the same label identifier is
/// used with case clauses of two unrelated switch statements.
/// @author rodionov


main() {
  switch (1) {
    Label:
    case 1:
      break;

    default:
      break;
  }

  switch (1) {
    Label:
    case 1:
      break;

    default:
      break;
  }
}
