// RUN: %target-swift-frontend -emit-silgen -sdk %S/Inputs -I %S/Inputs -enable-source-import %s | %FileCheck %s // REQUIRES: objc_interop import Foundation class Butt: NSObject { dynamic func butt(_ b: (Int) -> Int) {} } class Tubb: Butt { override func butt(_ b: (Int) -> Int) { super.butt(b) } } // CHECK-LABEL: sil shared [transparent] [serializable] [reabstraction_thunk] @_T0S2iIyByd_S2iIxyd_TR : $@convention(thin) (Int, @owned @convention(block) (Int) -> Int) -> Int {