// 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 compile-time error if a class has an instance member and 
/// a static member with the same name.
/// @description Checks that it is a compile-time error if a class inherits an 
/// instance method and declares a static member method with the same name.
/// @author kaigorodov


class B {
  int func() => 42;
}

class A extends B {
  static int func() => 42;
//           ^
// [analyzer] unspecified
// [cfe] unspecified
}

main() {
  new A();
}
