// 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.

// @dart = 2.9

/// @assertion It is a compile-time error if any of the identifiers async, await
/// or yield is used as an identifier in a function body marked with either
/// async, async* or sync*.
/// @description Checks that it is a compile-time error if async is used in the
/// method marked with sync*.
/// @author ngl@unipro.ru


f() sync* {
  int async = 1;
}

main() {
  f();
}