TypeCombinator::union optimization in case of many *NEVER*
#28090
| Job | Run time |
|---|---|
| 1m 50s | |
| 3m 12s | |
| 1m 51s | |
| 2m 52s | |
| 3m 7s | |
| 3m 2s | |
| 4m 22s | |
| 2m 19s | |
| 2m 30s | |
| 4m 0s | |
| 4m 28s | |
| 3m 47s | |
| 3m 37s | |
| 1m 53s | |
| 3m 5s | |
| 3m 12s | |
| 2m 25s | |
| 1m 53s | |
| 1m 49s | |
| 1m 50s | |
| 57m 4s |