Upgrade lengths of RichString to size_t & many related changes.
#4716
| Job | Run time |
|---|---|
| 50s | |
| 1m 9s | |
| 36s | |
| 1m 18s | |
| 54s | |
| 1m 7s | |
| 27s | |
| 2m 18s | |
| 2m 31s | |
| 38s | |
| 2m 51s | |
| 2m 14s | |
| 3m 37s | |
| 1m 7s | |
| 5s | |
| 5s | |
| 21m 47s |