diff -U3 /tmp/cirrus-ci-build/src/test/modules/test_extensions/expected/test_extensions.out /tmp/cirrus-ci-build/build/testrun/test_extensions/regress/results/test_extensions.out
--- /tmp/cirrus-ci-build/src/test/modules/test_extensions/expected/test_extensions.out	2024-03-19 00:05:10.416643000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/test_extensions/regress/results/test_extensions.out	2024-03-19 00:23:09.017129000 +0000
@@ -128,6 +128,7 @@
   ') > 0 loop c := c + 1; perform pg_stat_clear_snapshot(); end loop;
   raise log ''test_extensions looped % times'', c;
 end';
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
 -- extension should now contain no temp objects
 \dx+ test_ext8
 Objects in extension "test_ext8"
@@ -313,6 +314,7 @@
                ^
 HINT:  No function matches the given name and argument types. You might need to add explicit type casts.
 SELECT * FROM ext_cor_view;
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
           col           
 ------------------------
  ext_cor_view: original
@@ -340,6 +342,7 @@
 (1 row)
 
 SELECT * FROM ext_cor_view;
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
              col              
 ------------------------------
  ext_cor_view: from extension
diff -U3 /tmp/cirrus-ci-build/src/test/modules/test_extensions/expected/test_extdepend.out /tmp/cirrus-ci-build/build/testrun/test_extensions/regress/results/test_extdepend.out
--- /tmp/cirrus-ci-build/src/test/modules/test_extensions/expected/test_extdepend.out	2024-03-19 00:05:10.416509000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/test_extensions/regress/results/test_extdepend.out	2024-03-19 00:23:09.067081000 +0000
@@ -55,6 +55,7 @@
  WHERE refclassid = 'pg_extension'::regclass AND
        refobjid = (SELECT oid FROM pg_extension WHERE extname = 'test_ext5')
 ORDER BY type;
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
  deptype |       type        |  schema  | name |    identity     
 ---------+-------------------+----------+------+-----------------
  x       | function          | test_ext |      | test_ext.b()
@@ -69,6 +70,7 @@
   FROM pg_catalog.pg_depend, pg_identify_object(classid, objid, objsubid) i
 WHERE refclassid='pg_class'::regclass AND
  refobjid='test_ext.a'::regclass AND NOT deptype IN ('i', 'a');
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
  deptype | type | schema | name | identity 
 ---------+------+--------+------+----------
 (0 rows)
@@ -107,6 +109,7 @@
   FROM pg_catalog.pg_depend, pg_identify_object(classid, objid, objsubid) i
  WHERE refclassid='pg_extension'::regclass AND
  refobjid=(SELECT oid FROM pg_extension WHERE extname='test_ext5');
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
  deptype |   type   |  schema  | name |   identity   
 ---------+----------+----------+------+--------------
  x       | function | test_ext |      | test_ext.b()
@@ -145,6 +148,7 @@
         refobjid=(SELECT oid FROM pg_extension WHERE extname='test_ext5'))
 	OR (refclassid='pg_class'::regclass AND refobjid='test_ext.a'::regclass)
    AND NOT deptype IN ('i', 'a');
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
  deptype | type | schema | name | identity 
 ---------+------+--------+------+----------
 (0 rows)