Fix type instability for vec[1, end] indexing
#1114
| Job | Run time |
|---|---|
| 7m 19s | |
| 7m 9s | |
| 23m 42s | |
| 23m 39s | |
| 33m 55s | |
| 49m 44s | |
| 4m 56s | |
| 2h 45m 54s | |
| 1h 1m 39s | |
| 13m 15s | |
| 26m 23s | |
| 18m 7s | |
| 56m 3s | |
| 53m 2s | |
| 45m 11s | |
| 9h 49m 58s |