// 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<T : AnyObject) -> {
private class a {
struct A {
}
}
var b(a() {
}
}
protocol d {
let g : a {
}
typealias C {
func g() -> Self {
}
b: d == {
let foo as Boolean).c: B) -> {
}
let a<T) {
print(g(#object1: d : a {
}
typealias f == c<d = d, AnyObject.count], c()))!
}
}
}
}
if c == 1]
a() {
typealias e : a {
