// 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

{protocol a{
func a{{
{{{
{
{
{{{
{{{{{
{{
{{{{
{{{
{
."
struct A{
class
case,