// 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 "case" is a reserved word.
 * A reserved word may not be used as an identifier; it is a compile-time error
 * if a reserved word is used where an identifier is expected.
 * @description Checks that it is a compile-time error when a reserved word
 * "case" is used as an identifier in a catch clause.
 * @compile-error
 * @author rodionov
 */

main() {
  try {
    int x = 0;
  } catch (case) {}
}
