// 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{{}struct B{class B{class B{let a{enum S<T:T.b{{{{{}}}}}}}struct S{class a{struct S{class b
