_struct.c: Fix UB from integer overflow in prepare_s
#183695
| Job | Run time |
|---|---|
| 12s | |
| 4m 53s | |
| 26s | |
| 3m 16s | |
| 4m 28s | |
| 19m 36s | |
| 19m 7s | |
| 24m 49s | |
| 19m 39s | |
| 9m 38s | |
| 3m 19s | |
| 3m 0s | |
| 3m 35s | |
| 14m 21s | |
| 3m 10s | |
| 3m 22s | |
| 10s | |
| -1s | |
| -1s | |
| 4m 51s | |
| 20m 43s | |
| 25m 34s | |
| 20m 4s | |
| 19m 6s | |
| 10m 22s | |
| 25m 47s | |
| 17m 19s | |
| 15m 59s | |
| 22m 52s | |
| 12m 2s | |
| 17m 52s | |
| 17m 45s | |
| 13m 38s | |
| 18m 5s | |
| 12m 20s | |
| 11m 15s | |
| 2m 5s | |
| 2m 4s | |
| 5m 23s | |
| 2s | |
| 7h 12m 7s |