// 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 Let sc be a continue statement. If sc is of the form continue L;,
 * then let sE be the the innermost labeled do, for or while statement or case
 * clause with label L enclosing sc. If sc is of the form continue; then let sE
 * be the innermost do, for or while statement enclosing sc.
 * It is a compile-time error if no such statement or case clause sE exists
 * within the innermost function in which sc occurs.
 * @description Checks that it is a compile-time error if a 'continue;'
 * statement occurs in a case clause of switch statement and there is no
 * inclosing loop statement.
 * @compile-error
 * @author iefremov
 */


main() {
  switch (1) {
    case 1: continue;
    default:
  }
}
