// 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{
protocol A{
class c{
func a{{{}
}struct d{struct Q{
func a
{
if{
{
var d{
extension{
extension{class
case,
protocol
