// 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 b<T where h:A{struct a{enum B{var _=[]b{{{}}}}}struct Q<T{let s=b{{}}class b
