"D'Arcy J.M. Cain" <darcy@druid.net> writes:
> How about that --enable-multibyte?
--enable-multibyte is default (indeed only) option on CVS tip,
so that's not it. Ditto locale.
Could you try CVS tip on one of the boxes where you see the failure?
That'd help to narrow down the issue.
regards, tom lane