Fix pg_dump assertion failure when dumping pg_catalog.
Commit 396d348b04 did not account for the default collation.
Also, use pg_log_warning() instead of Assert().
Discussion: https://postgr.es/m/ce071503fee88334aa70f360e6e4ea14d48305ee.camel%40j-davis.com
Reviewed-by: Michael Paquier
Backpatch-through: 15
Branch
------
REL_15_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/1d9976d1bd0067099753820c427139696d38b4a1
Modified Files
--------------
src/bin/pg_dump/pg_dump.c | 57 +++++++++++++++++++++++++++++++++-------
src/bin/pg_dump/t/002_pg_dump.pl | 8 ++++++
2 files changed, 55 insertions(+), 10 deletions(-)