| // RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -typecheck %s | |
| // REQUIRES: objc_interop | |
| import Foundation | |
| class C : NSObject, NSWobbling { | |
| func wobble() {} | |
| func returnMyself() -> Self { return self } | |
| } | |
| func testDynamicOptionalRequirement(_ a: AnyObject) { | |
| a.optionalRequirement?() | |
| } |