// 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 sync* may not be assigned to Iterable. It is a static warning if
/// the declared return type of a function marked async* may not be assigned
/// to Stream.
///
/// @description Check that it is no compile error, if the declared
/// return type of synchronous generator function may be assigned
/// to Iterable.
/// @author a.semenov@unipro.ru


Iterable c() sync* { }

main() {
  c();
}
