| // 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 |
| // REQUIRES: objc_interop |
| |
| // Issue found by https://github.com/PartiallyFinite (Greg Omelaenko) |
| |
| import Foundation |
| |
| protocol P { |
| static func f() -> Self |
| static func g() -> Self |
| } |
| |
| extension P { |
| static func f() -> P { |
| return g() |
| } |
| } |
| |
| extension NSData: P { |
| static func g() -> Self { |
| return self.init() |
| } |
| } |
| |
