[issue33996] Crash in gen_send_ex(): _PyErr_GetTopmostException() returns freed memory

[STINNER Victor]

STINNER Victor <vstinner at redhat.com> added the comment:

> I could only reproduce this intermittently with 3.7 build.

Oh, I forgot to mention that I have to run the test many times to reproduce the crash. Between 1 and 10 times.

I used the master branch compiled in debug mode to report this issue.

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<https://bugs.python.org/issue33996>
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