When compiling PG19 beta1 on Fedora 44 I got the following warning:
839/2360] Compiling C object src/backend/postgres_lib.a.p/optimizer_util_clauses.c.o
../src/backend/optimizer/util/clauses.c: In function ‘recheck_cast_function_args.isra’:
../src/backend/optimizer/util/clauses.c:5152:19: warning: ‘actual_arg_types’ may be used uninitialized [-Wmaybe-uninitialized]
5152 | rettype = enforce_generic_type_consistency(actual_arg_types,
This is still the same as reported in BUG 19485
https://www.postgresql.org/message-id/19485-2b03231a775756f1%40postgresql.org
configuration/full message attached
Hans Buschmann