// 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

protocol A : A {
typealias A {
func b: C {
func b) -> String {
}
}
extension Array {
}
class A {
}
private class B == B<c) {
}
let f == .B {
var b = {
}
}
}
}
extension A =
