New partest build required before 2.12

[soc]

https://github.com/scala/scala/blob/2.12.x/src/library/scala/Predef.scala#L431:

  // TODO: when we remove, these should we drop the underscores from the new generation below? (For source compatibility in case someone was shadowing these.)
  @deprecated("For binary compatibility only. Release new partest and remove in M3.", "2.12.0-M2") def booleanArrayOps(xs: Array[Boolean]): ArrayOps[Boolean] = new ArrayOps.ofBoolean(xs)
  @deprecated("For binary compatibility only. Release new partest and remove in M3.", "2.12.0-M2") def byteArrayOps(xs: Array[Byte]): ArrayOps[Byte]          = new ArrayOps.ofByte(xs)
  @deprecated("For binary compatibility only. Release new partest and remove in M3.", "2.12.0-M2") def charArrayOps(xs: Array[Char]): ArrayOps[Char]          = new ArrayOps.ofChar(xs)
  @deprecated("For binary compatibility only. Release new partest and remove in M3.", "2.12.0-M2") def doubleArrayOps(xs: Array[Double]): ArrayOps[Double]    = new ArrayOps.ofDouble(xs)
  @deprecated("For binary compatibility only. Release new partest and remove in M3.", "2.12.0-M2") def floatArrayOps(xs: Array[Float]): ArrayOps[Float]       = new ArrayOps.ofFloat(xs)
  @deprecated("For binary compatibility only. Release new partest and remove in M3.", "2.12.0-M2") def intArrayOps(xs: Array[Int]): ArrayOps[Int]             = new ArrayOps.ofInt(xs)
  @deprecated("For binary compatibility only. Release new partest and remove in M3.", "2.12.0-M2") def longArrayOps(xs: Array[Long]): ArrayOps[Long]          = new ArrayOps.ofLong(xs)
  @deprecated("For binary compatibility only. Release new partest and remove in M3.", "2.12.0-M2") def refArrayOps[T <: AnyRef](xs: Array[T]): ArrayOps[T]    = new ArrayOps.ofRef[T](xs)
  @deprecated("For binary compatibility only. Release new partest and remove in M3.", "2.12.0-M2") def shortArrayOps(xs: Array[Short]): ArrayOps[Short]       = new ArrayOps.ofShort(xs)
  @deprecated("For binary compatibility only. Release new partest and remove in M3.", "2.12.0-M2") def unitArrayOps(xs: Array[Unit]): ArrayOps[Unit]          = new ArrayOps.ofUnit(xs)

[retronym]

scala/scala#5368