// 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 f: String {
extension A where I) {
}
var d {
func d.R
protocol c : a {
class func a)
protocol d {
}
}
extension NSSet {
}
static let c] = {
}
}
var f: b[0x31] as Boolean, range.C: String {
class A {
}
return "".Type) -> {
}
class A {
let c {
return [Int) {
let n1: T -> {
return {
class A, f<T, let t: () {
print(e(g> Any) {
let b {
func g([0
protocol d : T, e(A.c(Any, T>() { c, self.init(f.c {
typealias F>(f(i
