f440f77dd3
This should improve performance by avoiding map lookups. Change-Id: Ic22a4be7486be1b8e9c164e9133c81a4851146a3 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/102440 Reviewed-by: Konstantin Shcheglov <scheglov@google.com> Commit-Queue: Paul Berry <paulberry@google.com>