// 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

protocol d
let f{
class n{
struct Q<T where g:U{class A<T{
func a:d
func a
struct c{{
}
func d{
a
typealias e
