| // RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -emit-silgen %s -I %S/Inputs/ | %FileCheck %s | |
| // REQUIRES: objc_interop | |
| import Foundation | |
| import BlocksReturningBool | |
| // rdar://43656704 | |
| // CHECK-LABEL: sil {{.*}} @$sSo9Aggregatea13takePredicateABySbSicSgXCSg_tcfC | |
| // CHECK-SAME: Optional<@convention(c) (Optional<@convention(block) (Int) -> Bool>) -> ()> | |
| func foo() -> Aggregate { | |
| return Aggregate(takePredicate: nil) | |
| } |