// Copyright (c) 2016, 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 the declared return type of a function
/// marked async may not be assigned to Future.
///
/// @description Check that it is a compile time error, if the declared
/// return type of asynchronous function may not be assigned to Future.
///
/// @author a.semenov@unipro.ru


int f() async {
//^
// [analyzer] unspecified
// [cfe] unspecified
  return 1;
}

main() {
  f();
}
