// 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

func g{
enum S<T{
class a
func a{
struct S<T where g:a{
struct A{class
A{{
}}
class B{
class B:A
