// 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 d<b.g == A: A : $0) {
enum A {
func c: A {
S.C(v: c: [T) -> e(AnyObject, T)
}
}
t: a {
i<C
}
class A where Optional<Int
print() {
}
}
typealias R
}
var d = .e {
func a(.Type) -> (g<h.init(A, AnyObject> {
return g(self.b
class a())
}
convenience init()
}
import Foundation
}
for (bytes: e(()
}
return {
class func b<T>(self.B
return d: B<l : Any) -> T, self.C(object1, range: ()(Any, object2: 1]], f: A, (h.Element == [T {
typealias b {
return "
}
extension A {
}
return { _, x }
}
let n1: A {
var b = B<T) -> S) { _, T -> V, e: (a)
}
func d.join(c {
self.c = a<I : 1)
switch x = a<T? {
protocol d = [c: T? {
}
class a {
struct c : ()
return b(T, length: S<d: b = nil
func a<c() {
case c>()))
return nil
}
var d, A {
struct c {
func c() -> {
typealias h>(.count](a<3))
}
return true
class d
b, x = 1)
}
private let n1: d : a<d(n: Any) as [self.B == "".advance(mx : NSObject {
init())
}
func d: T
}
typealias e = [unowned self.init()
enum S) {
}
self] in
class a<Q<T) -> V {
}
}
}
class a {
case s()
class A.Iterator.count]
}
enum A : String {
func d<h : [unowned self.E == compose<T] = [c()
}
typealias A {
}
let c in return S.join() {
protocol a {
}
b
return d.B
struct e {
func g(range: H) -> ()
}
var d>(c = { }
}
assert() -> : A? {
return b: String {
typealias e == Swift.init(a: Hashable> String {
class A {
print(s(self.startIndex)"foobar"")
}
let start = b<T
