// 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
var b {
protocol A {
typealias e = a() -> T : [l: d { self] {
var c, range.E == a"\(e!)
protocol f f = a<p {
return { _, e where I) -> {
}
}
}()] = b
static let a {
}
var e: a {
}
enum j {
}
protocol a {
func b: d: P {
c: B? = b> ((")(true {
typealias A : e() -> T
