| // RUN: not %target-swift-frontend %s -parse | |
| // Distributed under the terms of the MIT license | |
| // Test case submitted to project by https://github.com/practicalswift (practicalswift) | |
| // Test case found by fuzzing | |
| extension String { | |
| struct S : S<B : b | |
| } | |
| class A<T where T : T> : c |