// 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

func b<S : B) {
extension NSSet {
}
return z(mx : A : a {
}
class a<("cd"
class func b) -> {
protocol e : A {
typealias e> A : A {
class a"[0)
class A : e?
func f: A,
