test case for MyISAM sort-repair bug

mysql-test/r/myisam.result

@@ -385,3 +385,9 @@ check table t1;
 Table	Op	Msg_type	Msg_text
 test.t1	check	status	OK
 drop table t1;
+create table t1 ( a text not null, key a (a(20)));
+insert into t1 values ('aaa   '),('aaa');
+repair table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	repair	status	OK
+drop table t1;

mysql-test/t/myisam.test

@@ -385,3 +385,12 @@ insert into t1 (b) values (repeat('z',100));
 update t1 set b="test" where left(b,1) > 'n';
 check table t1;
 drop table t1;
+
+#
+# sort-repair bug
+#
+create table t1 ( a text not null, key a (a(20)));
+insert into t1 values ('aaa   '),('aaa');
+repair table t1;
+drop table t1;
+