// 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

{
return $0.Element == b(Any) -> String {
protocol b {
}
return b: Collection where k.init() + seq: b: A {
override func a<T)
}
}
}
protocol c {
typealias A : A, U)