gh-134584: Eliminate redundant refcounting from IS_OP
#178196
| Job | Run time |
|---|---|
| 12s | |
| 4m 41s | |
| 17m 32s | |
| 8m 59s | |
| 23s | |
| 3m 59s | |
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| 3m 2s | |
| 19m 15s | |
| 2m 56s | |
| 3m 3s | |
| 3m 3s | |
| 2m 53s | |
| 3m 22s | |
| 3m 18s | |
| 4m 27s | |
| 0s | |
| 11m 57s | |
| 10m 24s | |
| 13m 49s | |
| 18m 51s | |
| 19m 3s | |
| 18m 50s | |
| 8m 41s | |
| 24m 42s | |
| 10m 19s | |
| 16m 23s | |
| 24m 21s | |
| 12m 7s | |
| 21m 2s | |
| 12m 2s | |
| 16m 47s | |
| 16m 26s | |
| 10m 56s | |
| 0s | |
| 0s | |
| 2s | |
| 5h 50m 53s |