// 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

{
var:{protocol(({{
{{{
{(
{{
{
{{
{{{
{
{
{{
[{{{{
{
{
{{{
{
{{
{{{
{
{b"
class
case,