diff -U3 /tmp/cirrus-ci-build/src/test/modules/test_tidstore/expected/test_tidstore.out /tmp/cirrus-ci-build/build/testrun/test_tidstore/regress/results/test_tidstore.out
--- /tmp/cirrus-ci-build/src/test/modules/test_tidstore/expected/test_tidstore.out	2024-03-28 13:35:05.359828000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/test_tidstore/regress/results/test_tidstore.out	2024-03-28 13:53:29.100274000 +0000
@@ -36,12 +36,14 @@
     (VALUES (0), (1), (:maxblkno / 2), (:maxblkno - 1), (:maxblkno)) AS blocks(blk),
     (VALUES (1), (2), (:maxoffset / 2), (:maxoffset - 1), (:maxoffset)) AS offsets(off)
   GROUP BY blk;
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 -- Add enough TIDs to cause the store to appear "full", compared
 -- to the allocated memory it started out with. This is easier
 -- with memory contexts in local memory.
 INSERT INTO hideblocks (blockno)
 SELECT do_set_block_offsets(blk, ARRAY[1,31,32,63,64,200]::int2[])
   FROM generate_series(1000, 2000, 1) blk;
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 -- Zero offset not allowed
 SELECT do_set_block_offsets(1, ARRAY[0]::int2[]);
 ERROR:  tuple offset out of range: 0
@@ -80,6 +82,7 @@
   FROM generate_series(1, 100) num_offsets,
   generate_series(1000, 1100, 1) blkno
 GROUP BY blkno;
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 -- Check TIDs we've added to the store.
 SELECT check_set_block_offsets();
  check_set_block_offsets