// 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 T be the static type of o.
 * ...
 * If T.m exists, it is a static type warning if the type F of T.m may not be
 * assigned to a function type.
 * @description Checks that it is a compile error if T.m cannot be
 * assigned to a function type.
 * @compile-error
 * @author msyabro
 */

class C {
  int m;
}

main() {
  C o;
  o.m();
}
