functional.sqlancer.tidb_15844_test. NATURAL RIGHT JOIN results in an unexpected "Unknown column" error

Show cross-report outcomes.
Full history of outcomes and elapsed time, ms:
NN SNAP_INFO CS_outcome SS_outcome CS_run_time SS_run_time CS_run_beg CS_run_end SS_run_beg SS_run_end
1 4.0.6.3189 2025.02.25 1a1a5 P P 635 417 2025.06.27 13:28:41.662 2025.06.27 13:28:42.297 2025.06.27 12:27:37.443 2025.06.27 12:27:37.860

Elapsed time, ms. Chart for last 1 runs:

Last commits information (all timestamps in UTC):