// 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
(Any, e {
public var b> {
let i> A {
enum B = "\() -> : B<T, range.R
protocol A {
enum b {
(Any) -> Any) {
private let x }
}
}
print(AnyObject, i : d : b()
var b where h>(range.b
convenience init(""a<T where T, i(v: d>() {
func c(x: b(Any] {
print({
protocol A : end: A {
extension A {
extension NSSet {
print(_ = { _, object2: a)
assert(#object1, end: A, x {
func b.init(Any) {
typealias d = c, Any) {
func c<T>(()) -> : A> U : Sequence> {
if true {
i(")) -> {
}
}
}
protocol a {
typealias b : d where l.count]
func d
