// 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<d where h: I) {
typealias B : c<c<T>: C(a: d where H) {
}
var d : String {
let b {
typealias g<U -> == T) -> {
init(.substringWithRange(start: AnyObject.C) {
let i<H : (g
})
}
class d>, ").Type
return self.C(T>() {
}
}
}
typealias B {
return b) -> {
}
}
