// 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

struct Q{struct b{struct Q<T where e:d{struct b{class B{let d{class A{struct Q{struct Q{{}struct S{func a{{let a=b{
