// 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 It is a static warning if an abstract member m is declared or
/// inherited in a concrete class C unless:
///  • m overrides a concrete member, or
///  • C has a noSuchMethod() method distinct from the one declared in class
///    Object.
/// @description Checks that there is no a compile error when a class declares
/// an abstract or concrete method with the same name as a static method in its
/// superclass.
/// @issue 27476
/// @author rodionov


class A {
  static f() {}
}

abstract class B extends A {
  f();
}

class C extends B {
  f() {}
}

main() {
  new C().f();
}
