// Copyright (c) 2012, 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

main() {
  for (final i in [1, 2, 3]) {
    i = 4; /*@compile-error=unspecified*/
  }
}