// 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
nil
func f<r>() -> (r, r -> r) -> r {
f r f.j = {
}
{
r) {
s  }
}
protocol f {
}
class f: f{func j
}
class r: j {
}
(r().m()