Fix _dispatch_lane_resume crash in RepeatingTimer
#8931
| Job | Run time |
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| 8m 17s | |
| 34s | |
| 4m 52s | |
| 6m 43s | |
| 14m 48s | |
| 10m 18s | |
| 19m 50s | |
| 22m 50s | |
| 26m 46s | |
| 7m 47s | |
| 23m 30s | |
| 2h 26m 15s |