| // 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. | |
| class A {} | |
| class B extends A {} | |
| void f(B b) {} | |
| main() { | |
| A a = new B(); | |
| f(a); | |
| //^ | |
| // [analyzer] STATIC_WARNING.ARGUMENT_TYPE_NOT_ASSIGNABLE | |
| // [cfe] The argument type 'A' can't be assigned to the parameter type 'B'. | |
| } |