diff -U3 /home/postgres/postgres/src/test/regress/expected/subselect.out /home/postgres/postgres/build/testrun/pg_upgrade/002_pg_upgrade/data/results/subselect.out
--- /home/postgres/postgres/src/test/regress/expected/subselect.out	Sat Sep 20 02:57:22 2025
+++ /home/postgres/postgres/build/testrun/pg_upgrade/002_pg_upgrade/data/results/subselect.out	Sat Sep 20 02:59:23 2025
@@ -2913,13 +2913,15 @@
 EXPLAIN (COSTS OFF)
 SELECT * FROM onek, (VALUES('RFAAAA'), ('VJAAAA')) AS v (i)
   WHERE onek.stringu1 = v.i;
-                         QUERY PLAN                          
--------------------------------------------------------------
+                            QUERY PLAN                             
+-------------------------------------------------------------------
  Nested Loop
    ->  Values Scan on "*VALUES*"
-   ->  Index Scan using onek_stringu1 on onek
-         Index Cond: (stringu1 = ("*VALUES*".column1)::text)
-(4 rows)
+   ->  Bitmap Heap Scan on onek
+         Recheck Cond: (stringu1 = ("*VALUES*".column1)::text)
+         ->  Bitmap Index Scan on onek_stringu1
+               Index Cond: (stringu1 = ("*VALUES*".column1)::text)
+(6 rows)
 
 -- VtA transformation for a composite argument is not supported
 EXPLAIN (COSTS OFF)