JIT: `_Py_uop_sym_get_type` returns `PyGen_Type` instead of `NULL`

[Sacul0457]

Bug report

Bug description:

_Py_uop_sym_get_type returns PyGen_Type if the tag is a JIT_SYM_RECORDED_GEN_FUNC_TAG, but it should return NULL instead. (Thanks to @Fidget-Spinner for spotting the bug!)

See #148372

CPython versions tested on:

CPython main branch

Operating systems tested on:

No response

Linked PRs

• gh-148374: Fix a bug in _Py_uop_sym_get_type #148375