// 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{{{}}struct S<T where g:A{var _=a<[]struct d{class B{let a{struct Q{class b{var f=B{
