b8c13903fc
Work towards https://github.com/dart-lang/sdk/issues/62274 Change-Id: I83e1f3c7dae3f3b80449dc8231bf544208c9ba94 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/474760 Commit-Queue: Samuel Rawlins <srawlins@google.com> Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>