// 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

let:{struct Q{class A{struct S{enum b<T where k:A{class b<H{class B:A}struct Q{struct c{class a{var _=[]class B{protocol A
