// RUN: %target-swift-frontend -disable-objc-attr-requires-foundation-module -typecheck -verify %s -swift-version 3 | |
// REQUIRES: objc_interop | |
import Foundation | |
class C : NSObject { } | |
extension C { | |
func foo() { } | |
} | |
class D : C { } | |
extension D { | |
override func foo() { } // do not warn | |
} |