We should fail to compile if _Py_TAIL_CALL_INTERP is set but preserve_none and musttail do not exist.
#9987
| Job | Run time |
|---|---|
| 3s | |
| 3s |
preserve_none and musttail do not exist.
#9987
| Job | Run time |
|---|---|
| 3s | |
| 3s |