// 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 import Foundation class A { class A { case C()(c) -> Bool { } func c { struct X() { protocol A : B, A { } } } protocol d { } extension NSData { func g { let start = f(n: T> Self { let h : NSObject { } } } } } } func a(c