Equality propagation for ORDER BY items do not work with expressions

create table ten(a int);

insert into ten values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);

create table one_k(a int);

insert into one_k select A.a + B.a* 10 + C.a * 100 from ten A, ten B, ten C;

create table t1(a int, b int);

insert into t1 select A.a + B.a* 10, A.a + B.a* 10 from ten A, ten B;

create table t2(a int, b int, key(a));

insert into t2 select A.a + B.a* 10, A.a+B.a*10 from ten A, ten B;

create table t3(a int, b int);

insert into t3 select A.a + B.a* 10 + C.a * 100, A.a + B.a* 10 + C.a * 100 from ten A, ten B, ten C

MariaDB [test]>  explain select * from t1,t2 where t1.a > 95  and t1.a=t2.a order by t2.a;

+------+-------------+-------+------+---------------+------+---------+-----------+------+-----------------------------+

| id   | select_type | table | type | possible_keys | key  | key_len | ref       | rows | Extra                       |

+------+-------------+-------+------+---------------+------+---------+-----------+------+-----------------------------+

|    1 | SIMPLE      | t1    | ALL  | NULL          | NULL | NULL    | NULL      | 100  | Using where; Using filesort |

|    1 | SIMPLE      | t2    | ref  | a             | a    | 5       | test.t1.a | 1    |                             |

+------+-------------+-------+------+---------------+------+---------+-----------+------+-----------------------------+

2 rows in set (0.008 sec)

MariaDB [test]>  explain select * from t1,t2 where t1.a > 95  and t1.a=t2.a order by t2.a+1;

+------+-------------+-------+------+---------------+------+---------+-----------+------+----------------------------------------------+

| id   | select_type | table | type | possible_keys | key  | key_len | ref       | rows | Extra                                        |

+------+-------------+-------+------+---------------+------+---------+-----------+------+----------------------------------------------+

|    1 | SIMPLE      | t1    | ALL  | NULL          | NULL | NULL    | NULL      | 100  | Using where; Using temporary; Using filesort |

|    1 | SIMPLE      | t2    | ref  | a             | a    | 5       | test.t1.a | 1    |                                              |

+------+-------------+-------+------+---------------+------+---------+-----------+------+----------------------------------------------+

2 rows in set (0.004 sec)