/*
 * 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 compile-time error if either a key or a value of an
 * entry in a constant map literal is not a compile-time constant.
 * @description Checks that there is no compile-time error if the key is a null.
 * @author hlodvig
 */

main() {
  var arr = const {null: 1};
}