// 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
>)
}
struct n : C {
 class p {
    typealias n = n
}
l
l)
func l<u>() -> (u, u -> u) -> u {
   n j n.q = {
}
 {
   u) {
        h  }
}
protocol l {
   class {
    func n() -> q {
        return ""
    }
}
class C: s, l {
  t) {
    return {
        (s: (t, t) -> t) -> t o
        return s(c, u)
    }
}
func n(r: (((t, t) -> t) -> t)) -> t {
    return r({
         return k
    })