gh-115999: Specialize STORE_ATTR in free-threaded builds.
#2336
| Job | Run time |
|---|---|
| 8m 4s | |
| 12m 28s | |
| 17m 16s | |
| 10m 43s | |
| 18m 26s | |
| 11m 28s | |
| 4m 33s | |
| 6m 14s | |
| 17m 36s | |
| 8m 10s | |
| 9m 34s | |
| 8m 41s | |
| 9m 18s | |
| 5m 54s | |
| 7m 31s | |
| 8m 32s | |
| 2h 44m 28s |