Andrew Dunstan <andrew@dunslane.net> writes:
>>> pg_regress: could not set database default locales
> I have just seen this failure on Windows - it appears to have nothing to
> do there with finding an out of date libpq.
Actually, *any* failure in pg_regress's first attempt to invoke psql
yields this message. I tweaked the script yesterday to not suppress
stderr; do you have that update yet?
regards, tom lane