pkg/front_end/testcases/nnbd_mixed/issue41597_lib.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 file.

// @dart=2.6

errors(c) {
  c?..f;
  !c?..f;
  c?..f!;
}