gh-63891: Rename Py_SAFE_DOWNCAST to _Py_DOWNCAST#15090

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shihai1991 wants to merge 3 commits into

python:mainfrom

shihai1991:bpo_19692

Commits on Aug 3, 2019

Commits on Sep 17, 2019

add an alias of Py_SAFE_DOWNCAST
shihai1991
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