// This source file is part of the Swift.org open source project
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors

// RUN: not %target-swift-frontend %s -typecheck
{
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)