// 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 call() {
typealias e {
protocol a {
var b : d {
}
}
class b(T, T {
let c: AnyObject) -> e: ("])
}
extension A {
}
protocol b : c {
typealias B, T, U) -> (Any)
let n1: Sequence where T>(i> {
return ")
self.a<T>(c) -> {
convenience init<T) -> : Any, Any, T! {
class a {
}
}
}
let c : B
