// 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 a{{
struct S
func{
class A{
class A{
class A{
class a{var _=a{
class a{
func b{struct C{
func b{
class a{
class A{
let t{
class A{
struct S{func c{
func f{{a={
