diff -U3 /Users/admin/pgsql/src/test/regress/expected/sysviews.out /Users/admin/pgsql/build/testrun/pg_upgrade/002_pg_upgrade/data/results/sysviews.out
--- /Users/admin/pgsql/src/test/regress/expected/sysviews.out	2024-02-22 06:35:03
+++ /Users/admin/pgsql/build/testrun/pg_upgrade/002_pg_upgrade/data/results/sysviews.out	2024-02-22 06:36:47
@@ -111,6 +111,7 @@
 select name, setting from pg_settings where name like 'enable%';
               name              | setting 
 --------------------------------+---------
+ enable_alter_system            | on
  enable_async_append            | on
  enable_bitmapscan              | on
  enable_gathermerge             | on
@@ -134,7 +135,7 @@
  enable_seqscan                 | on
  enable_sort                    | on
  enable_tidscan                 | on
-(23 rows)
+(24 rows)
 
 -- There are always wait event descriptions for various types.
 select type, count(*) > 0 as ok FROM pg_wait_events