// 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 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 L;'
/// statement occurs in 'if' statement with label L and there is no another
/// inclosing statement with label L.
/// @author vasya



main() {
  L: if (true) {
    continue L;
//  ^
// [analyzer] unspecified
// [cfe] unspecified
  }
}
