diff -U3 /tmp/cirrus-ci-build/contrib/earthdistance/expected/earthdistance.out /tmp/cirrus-ci-build/build/testrun/earthdistance/regress/results/earthdistance.out
--- /tmp/cirrus-ci-build/contrib/earthdistance/expected/earthdistance.out	2024-03-27 22:35:12.745948000 +0000
+++ /tmp/cirrus-ci-build/build/testrun/earthdistance/regress/results/earthdistance.out	2024-03-27 22:53:10.679189000 +0000
@@ -963,6 +963,7 @@
 --
 -- list what's installed
 \dT
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
                                               List of data types
  Schema | Name  |                                         Description                                         
 --------+-------+---------------------------------------------------------------------------------------------
@@ -980,6 +981,7 @@
 HINT:  You can drop extension cube instead.
 -- list what's installed
 \dT
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
                                              List of data types
  Schema | Name |                                         Description                                         
 --------+------+---------------------------------------------------------------------------------------------
@@ -995,18 +997,21 @@
 drop extension cube;
 -- list what's installed
 \dT
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
      List of data types
  Schema | Name | Description 
 --------+------+-------------
 (0 rows)
 
 \df
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
                        List of functions
  Schema | Name | Result data type | Argument data types | Type 
 --------+------+------------------+---------------------+------
 (0 rows)
 
 \do
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
                              List of operators
  Schema | Name | Left arg type | Right arg type | Result type | Description 
 --------+------+---------------+----------------+-------------+-------------
@@ -1016,24 +1021,28 @@
 create extension cube with schema c;
 -- list what's installed
 \dT public.*
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
      List of data types
  Schema | Name | Description 
 --------+------+-------------
 (0 rows)
 
 \df public.*
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
                        List of functions
  Schema | Name | Result data type | Argument data types | Type 
 --------+------+------------------+---------------------+------
 (0 rows)
 
 \do public.*
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
                              List of operators
  Schema | Name | Left arg type | Right arg type | Result type | Description 
 --------+------+---------------+----------------+-------------+-------------
 (0 rows)
 
 \dT c.*
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
                                               List of data types
  Schema |  Name  |                                         Description                                         
 --------+--------+---------------------------------------------------------------------------------------------
@@ -1053,6 +1062,10 @@
 drop extension cube cascade;
 NOTICE:  drop cascades to column f1 of table foo
 \d foo
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
                 Table "public.foo"
  Column |  Type   | Collation | Nullable | Default 
 --------+---------+-----------+----------+---------
@@ -1060,36 +1073,42 @@
 
 -- list what's installed
 \dT public.*
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
      List of data types
  Schema | Name | Description 
 --------+------+-------------
 (0 rows)
 
 \df public.*
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
                        List of functions
  Schema | Name | Result data type | Argument data types | Type 
 --------+------+------------------+---------------------+------
 (0 rows)
 
 \do public.*
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
                              List of operators
  Schema | Name | Left arg type | Right arg type | Result type | Description 
 --------+------+---------------+----------------+-------------+-------------
 (0 rows)
 
 \dT c.*
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
      List of data types
  Schema | Name | Description 
 --------+------+-------------
 (0 rows)
 
 \df c.*
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
                        List of functions
  Schema | Name | Result data type | Argument data types | Type 
 --------+------+------------------+---------------------+------
 (0 rows)
 
 \do c.*
+WARNING:  outfuncs/readfuncs failed to produce an equal rewritten parse tree
                              List of operators
  Schema | Name | Left arg type | Right arg type | Result type | Description 
 --------+------+---------------+----------------+-------------+-------------