1b41780198
This CL investigates some properties around the BinaryPrinter in the form of non-optional-assert-like-things. Said another way, if the assumptions added here are wrong, we'll crash, but if the bots doesn't explode the assumptions are probably true and we can procede from there. Change-Id: Ia366be0e81164a4004f6d6764002cbb0f7383008 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/137978 Reviewed-by: Johnni Winther <johnniwinther@google.com> Commit-Queue: Jens Johansen <jensj@google.com>