// RUN: %empty-directory(%t)
// RUN: %build-irgen-test-overlays
// RUN: %target-swift-frontend(mock-sdk: -sdk %S/Inputs -I %t) %s -emit-ir | %FileCheck %s

// REQUIRES: objc_interop

import Swift
import Foundation

// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc ptr @errortype_from_nserror(ptr %0)
sil @errortype_from_nserror : $@convention(thin) (@owned NSError) -> @owned Error {
entry(%0 : $NSError):
  %1 = init_existential_ref %0 : $NSError : $NSError, $Error
  return %1 : $Error
}