diff -U3 /tmp/cirrus-ci-build/contrib/bloom/expected/bloom.out /tmp/cirrus-ci-build/build/testrun/bloom/regress/results/bloom.out
--- /tmp/cirrus-ci-build/contrib/bloom/expected/bloom.out	2024-03-19 13:35:13.134571000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/bloom/regress/results/bloom.out	2024-03-19 13:52:50.386957000 +0000
@@ -4,6 +4,7 @@
 	t	text
 );
 INSERT INTO tst SELECT i%10, substr(encode(sha256(i::text::bytea), 'hex'), 1, 1) FROM generate_series(1,2000) i;
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 CREATE INDEX bloomidx ON tst USING bloom (i, t) WITH (col1 = 3);
 ALTER INDEX bloomidx SET (length=80);
 SET enable_seqscan=on;
@@ -80,6 +81,7 @@
 
 DELETE FROM tst;
 INSERT INTO tst SELECT i%10, substr(encode(sha256(i::text::bytea), 'hex'), 1, 1) FROM generate_series(1,2000) i;
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 VACUUM ANALYZE tst;
 SELECT count(*) FROM tst WHERE i = 7;
  count 
@@ -102,6 +104,7 @@
 DELETE FROM tst WHERE i > 1 OR t = '5';
 VACUUM tst;
 INSERT INTO tst SELECT i%10, substr(encode(sha256(i::text::bytea), 'hex'), 1, 1) FROM generate_series(1,2000) i;
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 SELECT count(*) FROM tst WHERE i = 7;
  count 
 -------
@@ -145,6 +148,7 @@
 	t	text
 );
 INSERT INTO tstu SELECT i%10, substr(encode(sha256(i::text::bytea), 'hex'), 1, 1) FROM generate_series(1,2000) i;
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 CREATE INDEX bloomidxu ON tstu USING bloom (i, t) WITH (col2 = 4);
 SET enable_seqscan=off;
 SET enable_bitmapscan=on;
@@ -205,6 +209,7 @@
 FROM pg_opclass opc JOIN pg_am am ON am.oid = opcmethod
 WHERE amname = 'bloom'
 ORDER BY 1;
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
  opcname  | amvalidate 
 ----------+------------
  int4_ops | t