diff -U3 /home/postgres/postgres/contrib/pageinspect/expected/spgist.out /home/postgres/postgres/build/testrun/pageinspect/regress/results/spgist.out
--- /home/postgres/postgres/contrib/pageinspect/expected/spgist.out	2026-01-12 21:47:53.680739070 +0000
+++ /home/postgres/postgres/build/testrun/pageinspect/regress/results/spgist.out	2026-01-12 21:50:35.994689328 +0000
@@ -5,40 +5,36 @@
 CREATE INDEX test_spgist_idx ON test_gist USING spgist (p);
 -- Page 0 is the root, the rest are leaf pages
 SELECT * FROM spgist_page_opaque_info(get_raw_page('test_spgist_idx', 0));
-    lsn     | nplaceholder | nredirection | flags  
-------------+--------------+--------------+--------
- 0/00000000 |            0 |            0 | {meta}
-(1 row)
-
+ERROR:  function get_raw_page(unknown, integer) does not exist
+LINE 1: SELECT * FROM spgist_page_opaque_info(get_raw_page('test_spg...
+                                              ^
+DETAIL:  There is no function of that name.
 SELECT * FROM spgist_page_opaque_info(get_raw_page('test_spgist_idx', 1));
-    lsn     | nplaceholder | nredirection | flags 
-------------+--------------+--------------+-------
- 0/00000000 |            0 |            0 | {}
-(1 row)
-
+ERROR:  function get_raw_page(unknown, integer) does not exist
+LINE 1: SELECT * FROM spgist_page_opaque_info(get_raw_page('test_spg...
+                                              ^
+DETAIL:  There is no function of that name.
 SELECT * FROM spgist_page_opaque_info(get_raw_page('test_spgist_idx', 2));
-    lsn     | nplaceholder | nredirection |    flags     
-------------+--------------+--------------+--------------
- 0/00000000 |            0 |            0 | {leaf,nulls}
-(1 row)
-
+ERROR:  function get_raw_page(unknown, integer) does not exist
+LINE 1: SELECT * FROM spgist_page_opaque_info(get_raw_page('test_spg...
+                                              ^
+DETAIL:  There is no function of that name.
 -- Suppress the DETAIL message, to allow the tests to work across various
 -- page sizes and architectures.
 \set VERBOSITY terse
 -- Failure with various modes.
 -- invalid page size
 SELECT spgist_page_opaque_info('aaa'::bytea);
-ERROR:  invalid page size
+ERROR:  function spgist_page_opaque_info(bytea) does not exist at character 8
 -- invalid special area size
 SELECT * FROM spgist_page_opaque_info(get_raw_page('test_gist', 0));
-ERROR:  input page is not a valid SpGiST page
+ERROR:  function get_raw_page(unknown, integer) does not exist at character 39
 \set VERBOSITY default
 -- Tests with all-zero pages.
 SHOW block_size \gset
 SELECT spgist_page_opaque_info(decode(repeat('00', :block_size), 'hex'));
- spgist_page_opaque_info 
--------------------------
- 
-(1 row)
-
+ERROR:  function spgist_page_opaque_info(bytea) does not exist
+LINE 1: SELECT spgist_page_opaque_info(decode(repeat('00', 8192), 'h...
+               ^
+DETAIL:  There is no function of that name.
 DROP TABLE test_gist;