gh-148613: Fix race in gc_set_threshold and gc_get_threshold
#194616
| Job | Run time |
|---|---|
| 10s | |
| 17m 22s | |
| 3m 56s | |
| 27s | |
| 20m 38s | |
| 4m 23s | |
| 3m 18s | |
| 10m 44s | |
| 2m 46s | |
| 2m 47s | |
| 9m 59s | |
| 2m 30s | |
| 2m 42s | |
| 2m 33s | |
| 2m 58s | |
| 3m 16s | |
| 2m 37s | |
| 10s | |
| 5m 24s | |
| 17m 56s | |
| 18m 51s | |
| 9m 33s | |
| 16m 55s | |
| 13m 0s | |
| 10m 2s | |
| 12m 44s | |
| 24m 39s | |
| 10m 57s | |
| 0s | |
| 17m 41s | |
| 20m 6s | |
| 10m 36s | |
| 14m 51s | |
| 22m 54s | |
| 10m 22s | |
| 13m 16s | |
| 21m 24s | |
| 10m 27s | |
| 19m 0s | |
| 19m 51s | |
| 7m 44s | |
| 2m 8s | |
| 22m 9s | |
| 2m 0s | |
| 18m 45s | |
| 2m 5s | |
| 5s | |
| 7h 48m 41s |