// 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
}
func ^(r: l, k) -> k {
   ? {
    h (s : t?) q u {
        g let d = s {
            p d
        }
    }
    e}
let u : [Int?] = [n{
    c v: j t.v == m>(n: o<t>) {
    }
}
class r {
    typealias n = n