// 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
y) ->func n<p>() -> (p, p -> p) -> p {
h e {
}
class k: h{  class func r {}
func a<i>() {
b b {
}
}
class a<f : b, l : b m f.l == l> {
}
protocol b {
typealias k
}
struct j<n : b> : b {
typealias l = n
typealias k = a<j<n>, l>
func e<l {
class m {
func r((Any, m))(j: (Any, AnyObject)) {
}
}
r m {
