[issue38140] Py_tp_dictoffset / Py_tp_finalize are unsettable in stable API

[Petr Viktorin]

Petr Viktorin <encukou at gmail.com> added the comment:

This line in _tesctcapimodule.c:
    {"__dictoffset__", T_PYSSIZET, -sizeof(void*), READONLY},

gives a legitimate-sounding warning on a Windows buildbot:

         d:\buildarea\3.x.ware-win81-release.nondebug\build\modules\_testcapimodule.c(6409): warning C4146: unary minus operator applied to unsigned type, result still unsigned [D:\buildarea\3.x.ware-win81-release.nondebug\build\PCbuild\_testcapi.vcxproj]

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<https://bugs.python.org/issue38140>
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