// 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 declares two members of 
/// the same name.
/// @description Checks that it is a compile-time error if a class declares 
/// two functions of the same name.
/// @author vasya


class C {
  C() { }
  
  void f() {}
  int f() => 1;
//    ^
// [analyzer] unspecified
// [cfe] unspecified
}

main() {
  new C();
}

