pkg/front_end/testcases/general/async_method_with_invalid_type.dart

// Copyright (c) 2020, 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.md file.
// @dart=2.9
foo() async {
  Bar x;
  for (dynamic y in x.z) {}
}