// 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 e<l {
enum e {
func p() { p
d> Bool {
}
protocol f : b { func b
}
func a<g>func s<s : m, v : m u v.v == s> (m: v) {
}
func s<v l k : a {
}
protocol g {
}
struct n : g {
}
func i<h : h, f : g m f.n == h> (g: f) {
}
func i<n : g m n.n = o) {
}
}
k e.w == l> {
}
func p(c: Any, m: Any) -> (((Any, Any) -> Any) -> Any) {
struct d<f : e, g: e where g.h == f.h> {{
}
struct B<T : A> {
}
protocol C {
ty    }
}
struct d<f : e, g: e where g.h ==ay) {
}
}
extension NSSet {
convenience init<T>(array: Array<T>) {
}
}
class A {
class k {
func l((Any, k))(m }
}
func j<f: l: e -> e = {
{
l) {
m  }
}
protocol k {
}
class e: k{  clq) {
}
}
T) {
}
}
}
class A {
class func a() -> Self {
}
}
func b<T>(t: AnyObject.Type) -> T! {
}
class A {
}
class k: h{  class func r {}
var k = 1
