| // 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 i: A? { |
| class func f: U : A> { |
| } |
| func f: a { |
| } |
| class f: NSObject { |
| } |
| struct d<T where g: a { |
| } |
| protocol a { |
| var b: a { |
| } |
| protocol b : d { |
| o |
