// 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

class b<T where g: {struct B{
typealias <T: d func b{
struct c<T where g: e {return"
struct A{{
}
enum b{
enum C{
class A{
class A:A{
class b<T where g: e = true {
enum A{}
class A {enum S<I :b{
let , i {re B {c{let , i {
struct A{"
}}
struct B:d<struct S<T where f: {
var b = A{
