| // 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. |
| |
| /*@testedFeatures=inference*/ |
| library test; |
| |
| // The following code is illegal because it has a loop in the class hierarchy. |
| // We need to make sure that the compiler doesn't try to error recover in a way |
| // that causes type inference for the method `f` to go into an infinite loop. |
| |
| abstract class A extends B { |
| f(x); |
| } |
| |
| abstract class B extends A { |
| f(x); |
| } |
| |
| main() {} |
