| // 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. | |
| class C {} | |
| extension E on C { | |
| void f(String b) {} | |
| } | |
| void main() { | |
| dynamic b = '456'; | |
| var c = C(); | |
| c.f(b); | |
| } |