diff -U3 /tmp/cirrus-ci-build/src/test/modules/test_slru/expected/test_slru.out /tmp/cirrus-ci-build/build/testrun/test_slru/regress/results/test_slru.out
--- /tmp/cirrus-ci-build/src/test/modules/test_slru/expected/test_slru.out	2024-03-19 13:35:14.047432000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/test_slru/regress/results/test_slru.out	2024-03-19 13:53:36.020719000 +0000
@@ -26,6 +26,7 @@
 -- 48 extra pages
 SELECT count(test_slru_page_write(a, 'Test SLRU'))
   FROM generate_series(12346, 12393, 1) as a;
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
  count 
 -------
     48
@@ -162,6 +163,7 @@
 -- 48 extra pages
 SELECT count(test_slru_page_write(a, 'Test SLRU 64-bit'))
   FROM generate_series(0x1234500000001, 0x1234500000030, 1) as a;
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
  count 
 -------
     48