[issue41533] Bugfix: va_build_stack leaks the stack if do_mkstack fails

[miss-islington]

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


New changeset 106c1df736d38f5b411a8571b97275d0ecf1d0a9 by Miss Islington (bot) in branch '3.9':
closes bpo-41533: Fix a potential memory leak when allocating a stack (GH-21847)
https://github.com/python/cpython/commit/106c1df736d38f5b411a8571b97275d0ecf1d0a9


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