[issue39421] Use-after-free in heappushpop() of heapq module

[miss-islington]

miss-islington <mariatta.wijaya+miss-islington at gmail.com> added the comment:


New changeset 993811ffe75c2573f97fb3fd1414b34609b8c8db by Miss Islington (bot) in branch '3.8':
bpo-39421: Fix posible crash in heapq with custom comparison operators (GH-18118)
https://github.com/python/cpython/commit/993811ffe75c2573f97fb3fd1414b34609b8c8db


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<https://bugs.python.org/issue39421>
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