// 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
/// constant list.
/// @author hlodvig


main() {
  var arr = const {const [1, 2]: 1};
}
