Started doing some investigating, etc. Hoping to come up with appropriate patch to fix issue.
https://wiki.debian.org/CrossGrading#bug1114664 Added the above anchor and bit more information there, and folks can also edit and note there as may be appropriate, and my notes and such thus far at the below (probably to remain there at least "temporarily" until fixed): https://www.mpaoli.net/~michael/tmp/.h/crossgrader/
