// RUN: not %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 t{
{
class a{
class a{
class A{
class a{class c
func e
{struct Q{
var _=a<A{
func a{
class A{
{
{{
}}}
func f{
func c{
class A{var _=a{
struct S{func a{
func c{class c{
class A{
func a{
struct A{
let a{a{
class a{func e
{(_=
f
