diff -U3 /tmp/cirrus-ci-build/contrib/tsm_system_rows/expected/tsm_system_rows.out /tmp/cirrus-ci-build/build/testrun/tsm_system_rows/regress/results/tsm_system_rows.out
--- /tmp/cirrus-ci-build/contrib/tsm_system_rows/expected/tsm_system_rows.out	2024-03-19 15:41:20.194563000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/tsm_system_rows/regress/results/tsm_system_rows.out	2024-03-19 15:59:40.521355000 +0000
@@ -2,6 +2,7 @@
 CREATE TABLE test_tablesample (id int, name text);
 INSERT INTO test_tablesample SELECT i, repeat(i::text, 1000)
   FROM generate_series(0, 30) s(i);
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 ANALYZE test_tablesample;
 SELECT count(*) FROM test_tablesample TABLESAMPLE system_rows (0);
  count 
@@ -49,6 +50,7 @@
   (VALUES (0),(10),(100)) v(nrows),
   LATERAL (SELECT count(*) FROM test_tablesample
            TABLESAMPLE system_rows (nrows)) ss;
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
                         QUERY PLAN                        
 ----------------------------------------------------------
  Nested Loop
@@ -62,6 +64,7 @@
   (VALUES (0),(10),(100)) v(nrows),
   LATERAL (SELECT count(*) FROM test_tablesample
            TABLESAMPLE system_rows (nrows)) ss;
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
  nrows | count 
 -------+-------
      0 |     0
@@ -72,6 +75,7 @@
 CREATE VIEW vv AS
   SELECT count(*) FROM test_tablesample TABLESAMPLE system_rows (20);
 SELECT * FROM vv;
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
  count 
 -------
     20