diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/arrays.out /tmp/cirrus-ci-build/src/bin/pg_upgrade/tmp_check/results/arrays.out
--- /tmp/cirrus-ci-build/src/test/regress/expected/arrays.out	2024-11-23 21:11:02.846240593 +0000
+++ /tmp/cirrus-ci-build/src/bin/pg_upgrade/tmp_check/results/arrays.out	2024-11-23 21:18:05.141664267 +0000
@@ -2239,11 +2239,10 @@
 (1 row)
 
 select array_agg(nullif(ten, 4)) from (select ten from tenk1 where unique1 < 15 order by unique1) ss;
-               array_agg               
----------------------------------------
- {0,1,2,3,NULL,5,6,7,8,9,0,1,2,3,NULL}
-(1 row)
-
+ERROR:  deadlock detected
+DETAIL:  Process 44443 waits for AccessShareLock on relation 25169 of database 16387; blocked by process 44438.
+Process 44438 waits for AccessExclusiveLock on relation 16421 of database 16387; blocked by process 44443.
+HINT:  See server log for query details.
 select array_agg(unique1) from tenk1 where unique1 < -15;
  array_agg 
 -----------