gh-134584: Eliminate redundant refcounting from IS_OP
#178134
| Job | Run time |
|---|---|
| 14s | |
| 27s | |
| 4m 38s | |
| 3m 57s | |
| 9m 5s | |
| 3m 41s | |
| 3m 4s | |
| 19m 38s | |
| 17m 18s | |
| 0s | |
| 0s | |
| 11m 45s | |
| 3m 12s | |
| 3m 4s | |
| 3m 8s | |
| 3m 3s | |
| 3m 14s | |
| 3m 2s | |
| 0s | |
| 18m 36s | |
| 19m 0s | |
| 4m 28s | |
| 24m 47s | |
| 18m 51s | |
| 30m 40s | |
| 8m 52s | |
| 20m 32s | |
| 14m 58s | |
| 16m 39s | |
| 8m 29s | |
| 12m 6s | |
| 10m 46s | |
| 17m 23s | |
| 11m 21s | |
| 16m 19s | |
| 10m 25s | |
| 2s | |
| 5h 56m 44s |