// 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 C{class b<T where I:b{let:T.i=b{func f{class C{let a{func u{struct B{struct Q{class A{class c{class a
