5687262570
`ConvertIntoAsyncBody` for a closure. Fixes #50686 Change-Id: I1cabf2c381392aafee5ac88ebdb4c2c9ee3a1248 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/279519 Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>