// 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 b<d-> d { class d:b class b
protocol A {
    typealias B
    func b(B)
}
struct X<Y> :     func l
    var _ = l
func f() {
    ({})
}
func ^(d: e, Bool) -> Bool {g !(d)
}
protocol d {
    f func g()
f k  }
}
protocol n {
   class func q()
}
class o: n{  cla) u p).v.c()
k e.w == l> {
}
func p(c: Any, m: Any) -> (((Any, Any) -> Any) {
