// 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 k be a generative constructor. It is a compile-time error if
 * k's initializer list contains an initializer for a variable that is
 * initialized by means of an initializing formal of k.
 * @description Checks that it is a a compile-time error if k's initializer
 * list contains an initializer for a variable that is initialized by means of
 * an initializing formal of k (field initializer uses this.name syntax).
 * @compile-error
 * @author vasya
 */

class C {
  C(this.x, foo) : this.x = foo;
  var x;
}

main() {
  new C(0, 1);
}
