207a47145f
Overlays were not being removed fully, which lead to crashes as we tried to change the file contents with an invalid index. Change-Id: I2c60a101b3a60e90100fbaf1970a3cada0296e41 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/269180 Commit-Queue: Samuel Rawlins <srawlins@google.com> Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>