3a67c5aaa2
This field is late and accessed with regularity, requiring ugly initialization checks. Change-Id: I307f3736e374991a37777f24264642fdcb73a57a Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/190100 Commit-Queue: Samuel Rawlins <srawlins@google.com> Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Reviewed-by: Konstantin Shcheglov <scheglov@google.com>