// 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:e{class b{func a{a{{}enum S{struct c{struct B{class b{let:{struct S{class b{let a{{}{struct B{{}struct Q{enum S{struct c{let a{{deinit{let:{func b{{struct Q
