t3692.scala:11: warning: type Manifest in object Predef is deprecated: Use `@scala.reflect.ConcreteTypeTag` instead
  private final def toJavaMap[T, V](map: Map[T, V])(implicit m1: Manifest[T], m2: Manifest[V]): java.util.Map[_, _] = {
                                                                 ^
t3692.scala:11: warning: type Manifest in object Predef is deprecated: Use `@scala.reflect.ConcreteTypeTag` instead
  private final def toJavaMap[T, V](map: Map[T, V])(implicit m1: Manifest[T], m2: Manifest[V]): java.util.Map[_, _] = {
                                                                                  ^
t3692.scala:15: error: unreachable code
      case m2: Map[T, Int] => new java.util.HashMap[T, Integer]
                              ^
two warnings found
one error found