New assertion failed in lazy_scan_heap() on mereswine

Hi,

TRAP: FailedAssertion("!all_visible_according_to_vm ||
prunestate.all_visible", File:
"/home/pgsql/build-farm/buildroot/HEAD/pgsql.build/../pgsql/src/backend/access/heap/vacuumlazy.c",
Line: 1347, PID: 16926)

2021-04-30 04:15:50.317 PDT [10349:18] DETAIL:  Failed process was
running: autovacuum: VACUUM ANALYZE pg_catalog.pg_attribute

https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=mereswine&dt=2021-04-30%2006:43:27