// 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

enum B<T where h:A{
struct a{
class a{
class A{var f:a
class A{
class A{
struct c{class a{
enum B{enum k{
class A{
class d{
enum b
