// RUN: not %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 Array {
enum S.init() {
var f() {
return b() -> String {
}
}
protocol d : a {
class func a: d, y:
