[3.15] gh-152851: fix a crash when copying a BLAKE-2s/2b object (GH-153008)#153011
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…nGH-153008) (cherry picked from commit 5a400ce) Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
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(cherry picked from commit 5a400ce)
Co-authored-by: Bénédikt Tran 10796600+picnixz@users.noreply.github.com
hashlibBLAKE2.copy()crashes withPy_UNREACHABLEinpy_blake2_clearwhen the copy's allocation fails #152851