--source include/have_sequence.inc
--source include/have_partition.inc
--source include/have_debug.inc

--echo #
--echo # MDEV-23248 Server crashes in mi_extra /
--echo # ha_partition::loop_extra_alter upon REORGANIZE
--echo #

CREATE TABLE t1 (a INT, b INT) ENGINE=MyISAM PARTITION BY RANGE (a) SUBPARTITION BY HASH (a) SUBPARTITIONS 70 (PARTITION p1 VALUES LESS THAN (100), PARTITION p2 VALUES LESS THAN MAXVALUE);
INSERT INTO t1 SELECT 4, 6 FROM seq_1_to_131072;
UPDATE t1 SET a = 7;

set @org_debug=@@debug_dbug;
set @@debug_dbug="+d,debug_abort_copy_partitions";
--error ER_UNSUPPORTED_EXTENSION
ALTER TABLE t1 REORGANIZE PARTITION p1,p2 INTO (PARTITION p1 VALUES LESS THAN (5), PARTITION p2 VALUES LESS THAN MAXVALUE);
set @@debug_dbug=@org_debug;

DROP TABLE t1;