// 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 A{
var _=b
var b
class A{class c{enum S<T where k:U{struct B{}struct c{class A{let a=B{
