// 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 a<d.c: Int>() -> V {
struct c: C = Int
typealias e == A> String {
}
return [1, A {
let foo as String)) {
func f<d {
}
enum A {
convenience init<1 {
public var _ c(() {
class a {
func b() -> () -> Any) -> {
}
}
protocol A {
}
for () -> : Hashable> Void>(Any) -> Any] {
let a(T> S) {
}
func f: AnyObject) -> (A, self.Iterator.Element == g<U)) {
}
}() -> T>()
return x {
}
}
}
}
}
}
typealias h>([unowned self, A {
var f == "
for c {
