// 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:Int=Swift.c
struct S<T where h:a{
class A{
class A{
enum a{
class B{
let s=A{
