Hello! I already asked this on Zulip but did not get anywhere, so re-posting here on the mailing list. The basic test suite run directly after the build fails with the following test on hppa on Debian: https://buildd.debian.org/status/fetch.php?pkg=mariadb-10.5&arch=hppa&ver=1%3A10.5.5-1&stamp=1601225060&raw=0 ****************** main.index_intersect w3 [ fail ] Test ended at 2020-09-27 16:41:38 CURRENT_TEST: main.index_intersect --- /<<PKGBUILDDIR>>/mysql-test/main/index_intersect.result 2020-08-07 12:57:35.000000000 +0000 +++ /<<PKGBUILDDIR>>/mysql-test/main/index_intersect.reject 2020-09-27 16:41:38.035115473 +0000 @@ -715,7 +715,7 @@ SELECT * FROM City WHERE Name BETWEEN 'G' AND 'J' AND Population > 500000 AND Country LIKE 'C%'; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE City range Population,Country,Name Name 35 NULL # Using index condition; Using where +1 SIMPLE City index_merge Population,Country,Name Name,Country 35,3 NULL # Using sort_intersect(Name,Country); Using where EXPLAIN SELECT * FROM City WHERE ID BETWEEN 1 AND 500 AND Population > 700000 AND Country LIKE 'C%'; mysqltest: Result l ****************** Any suggestions what this 'range' -> 'index_merge' word change in the result might step from?