Failure in contrib test _int on loach

Hi,

This is a strange failure:

https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=loach&dt=2019-04-05%2005%3A15%3A00

test _int                         ... FAILED      649 ms

================= pgsql.build/contrib/intarray/regression.diffs
===================
diff -U3 /usr/home/pgbf/buildroot/HEAD/pgsql.build/contrib/intarray/expected/_int.out
/usr/home/pgbf/buildroot/HEAD/pgsql.build/contrib/intarray/results/_int.out
--- /usr/home/pgbf/buildroot/HEAD/pgsql.build/contrib/intarray/expected/_int.out
2019-03-21 12:16:30.514677000 +0100
+++ /usr/home/pgbf/buildroot/HEAD/pgsql.build/contrib/intarray/results/_int.out
2019-04-05 07:23:10.005914000 +0200
@@ -453,13 +453,13 @@
 SELECT count(*) from test__int WHERE a && '{23,50}';
  count
 -------
-   403
+   402
 (1 row)

 SELECT count(*) from test__int WHERE a @@ '23|50';
  count
 -------
-   403
+   402
 (1 row)

Those two queries are run immediately after:

CREATE INDEX text_idx on test__int using gist ( a gist__int_ops );

-- 
Thomas Munro
https://enterprisedb.com