Fix return type of array_reverse() with optional keys
#18210
| Job | Run time |
|---|---|
| 1m 32s | |
| 1m 30s | |
| 2m 4s | |
| 2m 40s | |
| 3m 29s | |
| 2m 42s | |
| 1m 49s | |
| 2m 43s | |
| 3m 13s | |
| 2m 42s | |
| 1m 44s | |
| 3m 4s | |
| 1m 36s | |
| 2m 58s | |
| 1m 27s | |
| 2m 44s | |
| 1m 27s | |
| 2m 44s | |
| 1m 25s | |
| 2m 43s | |
| 1m 26s | |
| 2m 40s | |
| 50m 22s |