// 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

var a{class B{struct S<T where k=c{class A{{}class A{{}class A{let a:T]{{}}struct c{class C{enum b{class B{class A{protocol A
