// 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
class a<b : b, d : b where b.d == d> {
}
class i: d{  class func f {}
func c<i>() -> (i, i -> i) -> i {
k b k.i = {
}
{
i) {
k  }
}
protocol c {
}
class k: c{  class func i {
}
}lass func c()
}
var x1 = 1
=1 as a=1
