--- a/contrib/btree_gist/sql/float8.sql
+++ b/contrib/btree_gist/sql/float8.sql
@@ -35,3 +35,11 @@ SELECT count(*) FROM float8tmp WHERE a >
-1890.0::float8;
 EXPLAIN (COSTS OFF)
 SELECT a, a <-> '-1890.0' FROM float8tmp ORDER BY a <-> '-1890.0' LIMIT 3;