Wrong results from query with GROUP BY and LIMIT

[systay]

For the query:

select val2, count(*) 
from aggr_test 
group by val2 
order by count(*), val2 
limit 10

We were getting bad results:

Query (select val2, count(*) from aggr_test group by val2 order by count(*), val2 limit 10) results mismatched.
        Vitess Results:
        [INT64(8) INT64(15)]
        [INT64(2) INT64(18)]
        [INT64(4) INT64(18)]
        [INT64(9) INT64(18)]
        [INT64(3) INT64(20)]
        [INT64(5) INT64(20)]
        [INT64(0) INT64(22)]
        [INT64(1) INT64(23)]
        [INT64(6) INT64(24)]
        [INT64(7) INT64(29)]
        Vitess RowsAffected: 0
        MySQL Results:
        [INT64(42) INT64(13)]
        [INT64(14) INT64(14)]
        [INT64(25) INT64(14)]
        [INT64(49) INT64(14)]
        [INT64(8) INT64(15)]
        [INT64(23) INT64(15)]
        [INT64(26) INT64(15)]
        [INT64(46) INT64(15)]
        [INT64(10) INT64(16)]
        [INT64(35) INT64(17)]
        MySQL RowsAffected: 0