// 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
protocol A {
    func c() -> String
}
c     return ""
   urn ""
    }
}
func e<T where T: A, T: B>(t: T) {
  d: k.l    h k() {
      n k
}
class g {
    typealias k = k
}
func m(c: b) -> <
  e ^(l: m, h) -> 
 d g n()
}
class h: l
