Avoid generating empty thread_locals
#1281
| Job | Run time |
|---|---|
| 6m 7s | |
| 9m 41s | |
| 7m 25s | |
| 6m 9s | |
| 29m 22s |
thread_locals
#1281
| Job | Run time |
|---|---|
| 6m 7s | |
| 9m 41s | |
| 7m 25s | |
| 6m 9s | |
| 29m 22s |