Support returning an array or a string in count_chars()
#18367
| Job | Run time |
|---|---|
| 1m 39s | |
| 3m 8s | |
| 1m 39s | |
| 3m 12s | |
| 31s | |
| 1m 36s | |
| 1m 26s | |
| 32s | |
| 2m 51s | |
| 1m 38s | |
| 2m 57s | |
| 1m 41s | |
| 2m 58s | |
| 1m 42s | |
| 3m 17s | |
| 2m 33s | |
| 2m 34s | |
| 2m 40s | |
| 2m 48s | |
| 2m 37s | |
| 2m 41s | |
| 2m 30s | |
| 2m 36s | |
| 2m 34s | |
| 1m 13s | |
| 55m 33s |