// 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

extension
prefix
enum S<T,U,g{
func b
enum S<b{
struct c<b
struct c class c{
class d{
{
}
var d=c()