[issue46656] Compile fails if Py_NO_NAN is defined

[STINNER Victor]

Change by STINNER Victor <vstinner at python.org>:


----------
pull_requests: +29679
pull_request: https://github.com/python/cpython/pull/31557

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue46656>
_______________________________________