[RFC] libstdc++/14252, aka ++streamoff

[Benjamin Kosnik]

>I will be preparing a patch along those lines, if nobody objects. The
>alternative, changing all the uses of input_iterator::difference_type
>to avoid ++ and -- seems silly, given the rationale behind difference_type
>(as I understand it, indeed!)

Agreed. I think I may have removed these from the final streamoff bits
because they were (seemingly) unused. Looks like that was a mistake...

-benjamin