// 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 A method declaration may conflict with other declarations (10.11).
 * Let C be a class. It is a compile-time error if C declares a
 * • constructor named C.n and a static member with basename n.
 * • getter or a setter with basename n, and has a method named n.
 * • method named n, and has a getter or a setter with basename n.
 * • static member with basename n, and has an instance member with basename n.
 *
 * @description Checks that it is a compile error if a class C declares an
 * instance method named n and an instance getter named n.
 * @compile-error
 * @author ngl@unipro.ru
 */

class C {
  foo() {}
  get foo {}
}

main() {
  C c = new C();
  c.foo;
}
