gh-134584: Eliminate redundant refcounting from _CONTAINS_{OP|OP_SET|OP_DICT}
#231221
| Job | Run time |
|---|---|
| 6s | |
| 4s | |
| 10s |
_CONTAINS_{OP|OP_SET|OP_DICT}
#231221
| Job | Run time |
|---|---|
| 6s | |
| 4s | |
| 10s |