| // 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. | |
| const a = <int>[]; | |
| const b = <int?>[]; | |
| const c = {a, b}; | |
| main() {} |