// 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 The static type of a map literal of the form
/// const <K, V>{k1: e1...kn: en} or the form <K, V>{k1: e1...kn: en} is
/// Map<K, V>.
/// @description Checks that a compile error occurs when assigning a
/// <String, int> constant map literal to a variable with declared type
/// Map<int, int> (non-constant).
/// @author iefremov


main() {
  Map<int, int> i = const <String, int> {};
//                  ^
// [analyzer] unspecified
// [cfe] unspecified
}
