// 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
return m() {
get {
}
func a: Any) {
class A {
typealias b = {
}
}
}
class a {
}
var _ c(a<1 {
typealias B<1 {
typealias B : b: (false)() {
}
let b = Int) -> {
case c>(Any, g : Collection where T> (g, end: 1, AnyObject.C: Any] {
struct c {
a")
}
}
}
}
class func a(T, () -> U {
}
func g<T where T) {
class B<3] {
class func a<T : a {
