A recent buildfarm failure [0] seems to indicate a name collision with the "abc" index in the aggregates.sql test and the "abc" table in namespace.sql.
[0] https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=piculet&dt=2024-01-24%2014%3A05%3A14 -- Nathan Bossart Amazon Web Services: https://aws.amazon.com
