// 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 B{{}struct S{var f{
extension{(([{{
{([{
{
{{
{{
{
{
{{
[{
{a a"\
class
case,