Re: pgsql: Fix createdb tests for C locale - Mailing list pgsql-committers

On 17.09.22 16:44, Tom Lane wrote:
> Christoph Berg <myon@debian.org> writes:
>> This seems to have broken 15 on apt.pg.o/Debian:
> 
> Fails on RHEL8 too, if LANG=C.
> OK if LANG=C.utf8.
> 
> (The lack of buildfarm complaints is distressing.  Apparently
> our coverage of ICU is very thin.)

This issue is with a combination of ICU and environment locale "C". 
There is ICU coverage in the build farm, but apparently none with C 
locale set.