// 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
import CoreData
func e<l {
enum e {
j {
}
class l: j{  k() -> ())
}
func j<o : Boolean>(l: o) {
}
func p(l: Any, g: Any) -> (((Any, Any) -> Any) -> Any) {
return {
}
protocol f {
protocol c : b { func b
class x<u>:  where T.E == F>}
class A {
class func a() -> String {
}
class func b() {
struct c {
static let d: String = {
}()
}
}
}
class l {
}
}
class i: d, g {
l func d() -> f {
}
}
}
let l = h
protocol l : f { func f
