util/libm: replace force_eval! by std::hint::black_box
#429
| Job | Run time |
|---|---|
| 49s | |
| 1m 11s | |
| 5m 36s | |
| 7s | |
| 1m 25s | |
| 5m 29s | |
| 1m 5s | |
| 1m 41s | |
| 3m 45s | |
| 1m 38s | |
| 1m 34s | |
| 3m 35s | |
| 35s | |
| 1m 37s | |
| 3m 57s | |
| 1m 9s | |
| 1m 41s | |
| 36m 54s |