// 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 g:a{class a
class a{let end=a{
class b{
let a=[a{{class B{{{}}
class b{
let a{{
{
{}}}{let c=[a{
A{}
b
