cdcec63569
Not doing it can lead to the same input producing "different" outputs. Change-Id: I31fa1d728c2d26cbf1ad008472ea8fce4310794f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/117725 Reviewed-by: Johnni Winther <johnniwinther@google.com> Commit-Queue: Jens Johansen <jensj@google.com>