Fix UB in instance_dealloc

boostorg / python

Boost.org python module

http://boostorg.github.io/python

Boost Software License 1.0

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Open vient opened 12 months ago

vient commented 12 months ago

Do not use dynamic_cast after destroying object, it is not correct and leads to NULL pointer dereference with some compilers

This fix worked for me, no more SIGSEGVs.

Fix #421