// 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

func b{struct a{struct
var{
protocol c{
class a{
struct c{
func C{struct A{
class A{enum S{var a{class a{class
case,
