Fix protect Array#map against concurrent mutation
#10118
| Job | Run time |
|---|---|
| 10m 35s | |
| 11m 23s | |
| 11m 7s | |
| 10m 29s | |
| 10m 37s | |
| 10m 28s | |
| 10m 58s | |
| 10m 54s | |
| 11m 25s | |
| 1h 37m 56s |
Array#map against concurrent mutation
#10118
| Job | Run time |
|---|---|
| 10m 35s | |
| 11m 23s | |
| 11m 7s | |
| 10m 29s | |
| 10m 37s | |
| 10m 28s | |
| 10m 58s | |
| 10m 54s | |
| 11m 25s | |
| 1h 37m 56s |