// RUN: not --crash %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

enum A{
struct d{
{
}
struct c<U:U.R
init{
let a{
{struct c>
{
struct c
{
enum A{
deinit{
a{
func i{
{c{
var d{
a{
var d{
{
{f=a{
