Support tagged unions in array_merge
#19505
| Job | Run time |
|---|---|
| 3m 10s | |
| 3m 27s | |
| 1m 34s | |
| 1m 23s | |
| 2m 37s | |
| 1m 23s | |
| 2m 37s | |
| 1m 29s | |
| 1m 28s | |
| 2m 33s | |
| 2m 42s | |
| 1m 29s | |
| 2m 45s | |
| 2m 37s | |
| 2m 39s | |
| 1m 24s | |
| 2m 39s | |
| 2m 36s | |
| 40m 32s |