// 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 e<l {
enum e {
func e
j {
}
class l: j{  k() -> ())
}
func j<o : Boolean>(l: o) {
}
func p(l: Any, g: Any) -> (((Any, Any) -> Any) -> Any) {
return {
(p: (Any, Any) -> Any) -> Any in
func n<n : l,) {
}
n(e())
var f1: Int -> ct B<T : A> {
lett D : C {
func g<T where T.E == F>(f: B<T>)
