gh-117657: Fix data races reported by TSAN on interp->threads.main
#112044
| Job | Run time |
|---|---|
| 10s | |
| 8m 28s | |
| 2m 13s | |
| 4m 50s | |
| 19m 44s | |
| 2m 1s | |
| 6m 14s | |
| 20m 35s | |
| 1m 57s | |
| 2m 2s | |
| 20m 33s | |
| 8m 26s | |
| 7m 55s | |
| 9m 36s | |
| 3m 36s | |
| 6m 43s | |
| 8m 20s | |
| 9m 35s | |
| 11m 49s | |
| 19m 25s | |
| 3m 22s | |
| 24m 3s | |
| 3m 28s | |
| 20m 33s | |
| 22m 32s | |
| 2m 1s | |
| 2m 1s | |
| 17m 29s | |
| 4s | |
| 4h 29m 45s |