// 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
var f = 1
private class B<C> {
let  enum S<T> : P {
func f<T>() -> T -> T {
return { x in x 1 {
}
}
class A {
class func a() -> String {
let d: String = {
}()
}
}
s}
}
class d<j : i, f : i where j.i == f> : e {
}
class d<j, f> {
}
protocol i {
}
protocol e {
}
protocol i : d { func d
