bug#21901: bit shift wrong on maximal right shift

[Mark H Weaver]

Zefram <zef...@fysh.org> writes:

> With Guile 2.0.11:
>
> scheme@(guile-user)> (ash 123 (ash -1 63))
> $1 = 123

Fixed in commit 1990aa916382d0afcebd5315a6d6f555949ff654 on the
stable-2.2 branch.  Closing this bug now.

Thanks very much for finding this subtle bug.

      Mark