7ef28f0b03
+ avoid side-effects of checking enqueuer invariants Change-Id: Id327371bc70e4b1b5fd4d326b8c8cf8caf50ea0e Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/98142 Reviewed-by: Sigmund Cherem <sigmund@google.com> Commit-Queue: Johnni Winther <johnniwinther@google.com>