// RUN: %target-run-simple-swift | %FileCheck %s // REQUIRES: executable_test // REQUIRES: objc_interop import Foundation func vf(_ params: CVarArg...) { print("OK") } var a: [AnyObject]! = ["a" as NSString] var s: String! = "s" vf(a as NSArray) // CHECK: OK vf(s as NSString) // CHECK: OK