gh-111178: fix UBSan failures for Modules/_testmultiphase.c
#70074
| Job | Run time |
|---|---|
| 1m 12s | |
| 1m 12s |
Modules/_testmultiphase.c
#70074
| Job | Run time |
|---|---|
| 1m 12s | |
| 1m 12s |