On Tue, Apr 06, 2010 at 02:21:05PM +0200, Roman Rakus wrote: > >>$((2 ** 63 / -1))
> I can reproduce it in 4.1.2(1)-release and 4.0.23(1)-release on x86_64 > GNU/Linux. I didn't try on bash 3.2. cyclops:~$ uname -a; echo $BASH_VERSION OpenBSD cyclops.wooledge.org 4.6 GENERIC.MP#81 amd64 4.0.24(1)-release cyclops:~$ echo $((2 ** 63 / -1)) Connection to cyclops closed. griffon:~$ An amd64-specific bug, then? (The Linux box I tested on earlier is i386, and the HP-UX box is PA-RISC 2.0.)