Merge "Revert "Revert "ART: Do not eagerly type LoopPhi [null, ...]""" am: d585b2c891
am: 642b96c61f

* commit '642b96c61ff9cc59259b609650f6e0a8d1bb48b5':
  Revert "Revert "ART: Do not eagerly type LoopPhi [null, ...]""