This is required for using of the Limited API. It might also boost performance on PyPy (see https://github.com/diofant/python-gmp/issues/197). Major problem: https://github.com/python/cpython/issues/144650
This is required for using of the Limited API. It might also boost performance on PyPy (see #197).
Major problem: python/cpython#144650