d53f02aa8a
References can be null --- it's written as the byte [0]. Thus in the null case it would before be [0] and now be [0]. In the non-null case it would before be [1, xyz] (1 for Tag.Something and xyz for the actual, now positive, uint30). Now it would be [xyz]. Change-Id: Ibc08d3afb7275b0429a4d6c5e667fbd381121489 Reviewed-on: https://dart-review.googlesource.com/c/85394 Reviewed-by: Kevin Millikin <kmillikin@google.com> Commit-Queue: Jens Johansen <jensj@google.com>