// RUN: not --crash %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

class C<T where S:A{struct S<S{class A{class a{func b{
let t{}}}{}}class B
let s=B
