// 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 It is a static warning if the last statement of the statement
/// sequence sk is not a break, continue, return or throw statement.
/// @description Checks that it is no compile error if the last statement of the
/// statement sequence of the last case clause is not a break, continue, return
/// or throw statement.
/// @author msyabro
/// @issue 7537


main() {
  switch (1) {
    case 0: false;
            break;
    case 1: true;
  }
}
