// 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

let a
{
{{"
{var b{
enum b{{
}
func f{
struct D{
{
}
let a{{
{
{
}
}
let:{
let a{{
a
{
}
{{{
}
let a{
var:{
{{
{
}
struct d
{
{
}var b{
let a{let a{f=b