b44cb37f8f
TEST=tsan Bug: https://github.com/dart-lang/sdk/issues/54963 Change-Id: Ib91488908aa9f751e6759437468c39d1cdb68976 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/353502 Reviewed-by: Alexander Aprelev <aam@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>