// 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 A {
var _ = {
init({
class A, a<d>(t: d where h>, AnyObject) -> {
}
}
protocol b : () {
}
}
var d = g(a(c<d(x(z(a(T) {
if c : NSObject {
}
func b<T) -> : () {
}
}
return self)) -> String {
static let f == Int>() {
}
}
func a<f : a {
