pkg/front_end/testcases/general/issue52704.dart

// Copyright (c) 2023, 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.

test() async {
  late final int x;
  await for (x in Stream.fromIterable([1])) {} // Error.
  print(x); // Ok.
}