// RUN: not --crash %target-swift-frontend %s -parse
// XFAIL: asan

// 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 b {
class func a<S : Int = F>()
}
protocol A : String {
class func c].a() -> {
func e("
typealias f : c(n: b<T