gh-142168: explicitly initialize stack_array in _PyEval_Vector and _PyEvalFramePushAndInit_Ex
#1557
| Job | Run time |
|---|---|
| 23m 56s | |
| 18m 37s | |
| 8m 24s | |
| 8m 23s | |
| 9m 13s | |
| 6m 59s | |
| 1h 15m 32s |