// 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 a {
class A where H) {
}
typealias e : e = a
class A {
protocol a {
}
protocol P {
extension NSSet {
}
}
}
class func f: C<Q<(