// 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

let:{
class A{{
}
class A{
struct B{enum B<T where e:a{
class A{
class a{class
func c
func c
enum S{let:{
var e={
enum b{
struct d{
var d
let g=c{
class
(
{{{
{{{{
[{{{
{{{{
[{
(
{
(
{
{{
{
{
({
class B
