| // Copyright (c) 2017, 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. | |
| library test; | |
| class B {} | |
| class C extends B { | |
| var z; | |
| } | |
| void test(B x) { | |
| var y = x is C ? x : new C(); | |
| print(y.z); | |
| } | |
| main() {} |