Fix handling for poll calls to non-generator futures
#673
| Job | Run time |
|---|---|
| 1m 12s | |
| 1m 56s | |
| 5m 33s | |
| 1m 13s | |
| 9m 54s |
poll calls to non-generator futures
#673
| Job | Run time |
|---|---|
| 1m 12s | |
| 1m 56s | |
| 5m 33s | |
| 1m 13s | |
| 9m 54s |