gh-137017: Fix Thread.is_alive() to only return False after the underlying OS thread exits
#203300
| Job | Run time |
|---|---|
| 6s | |
| 3s | |
| 9s |
Thread.is_alive() to only return False after the underlying OS thread exits
#203300
| Job | Run time |
|---|---|
| 6s | |
| 3s | |
| 9s |