import java.util._

object TestOkay {
  def sort(x: java.util.Comparator[_ >: String]) = ()
  sort((a: String, b: String) => a.compareToIgnoreCase(b))
}

object TestOkay2 {
  def sort[T](x: java.util.Comparator[_ >: T]) = ()
  sort((a: String, b: String) => a.compareToIgnoreCase(b))
}


object TestOkay3 {
  def sort[T](xs: Option[T], x: java.util.Comparator[_ >: T]) = ()
  sort(Some(""), (a: String, b: String) => a.compareToIgnoreCase(b))
}

object TestKoOverloaded {
  def sort[T](xs: Option[T]) = ()
  def sort[T](xs: Option[T], x: java.util.Comparator[_ >: T]) = ()
  sort(Some(""), (a: String, b: String) => a.compareToIgnoreCase(b))
}