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Author jdemeyer
Recipients jdemeyer, methane, python-dev, serhiy.storchaka, vstinner
Date 2018-07-31.09:36:09
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> For compatibility with extensions built with older Pythons you should define new type flag and read tp_fastcall only if the flag is set.

Can you comment on why you think that such compatibility should be guaranteed? According to PEP 384, the layout of PyTypeObject is not part of the stable ABI.
Date User Action Args
2018-07-31 09:36:09jdemeyersetrecipients: + jdemeyer, vstinner, methane, python-dev, serhiy.storchaka
2018-07-31 09:36:09jdemeyersetmessageid: <>
2018-07-31 09:36:09jdemeyerlinkissue29259 messages
2018-07-31 09:36:09jdemeyercreate