// 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
class k<g>: d {
var f: g
init(f: g) {
l. d {
typealias j = je: Int -> Int = {
}
let d: Int =  { c, b in
}(f, e)
}
class d {
func l<j where j: h, j: d>(l: j) {
}
func i(k: b) -> <j>(() -> j) -> b {
}
class j {
func y((Any, j))(v: (Any, AnyObject)) {
}
}
func w(j: () -> ()) {
}
class v {
l _ = w() {
}
}
func v<x>() -> (x, x -> x) -> x {
l y j s<q : l, y: l m y.n == q.n> {
}
o l {
}
y q<x> {
}
o n {
}
class r {
func s() -> p {
}
}
class w: r, n {
}
func b<c {
enum b {
}
}
}
class d<j : i, f : i where j.i == f> : e {
}
class d<j, f> {
}
protocol i {
}
protocol e {
}
protocol i : d { func d
