// Copyright (c) 2018, 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 error if a class declares a static getter named
/// v and also has a non-static setter named v =.
/// @description Checks that a compile error is arisen if a class has an
/// implicitly declared static getter and an explicitly declared instance
/// setter with the same name.
/// @issue 24534
/// @author ngl@unipro.ru

class C {
  static int v = 0;
//           ^
// [analyzer] unspecified
// [cfe] unspecified

  set v(int v1) {
//    ^
// [cfe] unspecified
  }
}

main() {
  C.v;
}
