// 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<o>() -> (o, o -> o) -> o {
m o m.i = {
}
{
o) {
p  }
}
protocol f {
class func i()
}
class m: f{  class func i {}
protocol p {
}
class o: p {
class ni