// 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 b(f() {
}
return S) -> {
}
import Foundation
case b {
extension NSSet {
}
S.Type) -> (object1: d where T> Int = T> Bool {
}
struct c(bytes: Int][1])).Type) -> U)
}
var b = { c]
}
return self.Type) {
}
protocol a {
typealias e where T -> {
}
typealias B : B(t: A, A
func x: A.E == a: (["[Byte], "")
let t: b(i(x)
