// 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.

class A {
  A() {}
  imethod() { return 0; }
}

main() {
  var a = new A();
  // Illegal, can't change a member method
  a.imethod = () { return 1; };
}
