// 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

class a
let f {
a{
}{
let t:a {
struct Q{protocol A {
struct S {
class a{let
class b{
protocol A {
enum S {func a{
for b=b
