[tpm] why wouldn't violating "use warnings" always be fatal?

[arocker at Vex.Net]

> I just got bitten by different behavior on different platforms,
> and I can't justify it. Perhaps someone out there can?
>

Golfing the code might yield some useful information, (if the bug
disappears at some point), or a quotable problem case for another forum.
(Assuming that production don't give you grief for testing on a production
system.)