| // Copyright (c) 2019, 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 | |
| /// @assertion n/a | |
| /// @description: Checks that spread elements in the map cannot have recurrent | |
| /// references. | |
| /// @author iarkh@unipro.ru | |
| main() { | |
| Map m1 = {...m2}; | |
| // ^ | |
| // [analyzer] unspecified | |
| // [cfe] unspecified | |
| Map m2 = {...m1}; | |
| // ^ | |
| // [cfe] unspecified | |
| } |