-Fixes bug where the code would walk off the end of an arena, not detecting the case where there is no way to satisfy the request. Change-Id: I16434f13faa6d5d76aaba5bf3c458d230e4db888
-Fixes bug where the code would walk off the end of an arena, not detecting the case where there is no way to satisfy the request. Change-Id: I16434f13faa6d5d76aaba5bf3c458d230e4db888