Alexey Chernyshov <a(dot)chernyshov(at)postgrespro(dot)ru> writes:
> Do we need expected/citext.out? It seems that only
> expected/citext_1.out has correct output.
Well, for me, citext.out matches the results in C locale,
and citext_1.out matches the results in en_US. If you don't
satisfy both of those cases, the buildfarm will not like you.
regards, tom lane