[issue42882] Restarting the interpreter causes UB on 3.10.0a4

[STINNER Victor]

STINNER Victor <vstinner at python.org> added the comment:

Thanks for your bug report, and thanks for testing alpha versions of Python! It's now fixed.

But I didn't feel comfortable without a regression test. So I wrote PR 24198 to add an unit test on _PyUnicode_FromId() with multiple Python initializations.

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