// 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 f<T) -> {
extension NSSet {
protocol P {
var _ = { c> ()
}
func a(A, x }(.advance()
return self)(i() -> (""ab"
}
class A {
case s: A {
}
protocol c : c: NSObject {
}
let c = a<c, f: l.advance(a: S<T>
class a")
func a