// 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 Let e be a new expression of the form
/// new T.id(a1, ... , an, xn+1 : an+1, ... , xn+k : an+k) or the form
/// new T(a1, ... , an, xn+1 : an+1, ... , xn+k : an+k).
/// @description Checks that it is compile error if T is a type alias that does
/// not denote a class.
/// @author msyabro

typedef int f(int x, int y);

main() {
  new f();
//          ^^^^^^^^^^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
}
