// 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 c {
class A {
if true {
func f: NSObject {
enum A {
}
if c = c(v: NSObject {
}
f = b: e == T) {
func compose<T: C {
}
typealias e = c() -> V {
func a(f: A: A {
}
var d where T>) -> {
let d<T : P {
}
let c: P {
}
protocol c = e, V>: Array) {
}
self] {
print() -> {
}
protocol P {
}
}
var b = {
protocol P {
}
}
enum S<T) {
return g<T>: A() {
}
deinit {
}
}
}
}
}
}
extension NSSet {
}
}
}
var e: e!.e == c: String = compose(false)
protocol P {
}
typealias e : e == ni
