[issue34084] possible free statically allocated string

[Xiang Zhang]

New submission from Xiang Zhang <angwerzx at 126.com>:

While reviewing PR8222, I found `err_ret->text` is assigned a not malloced string, but it will finally get freed in `err_input`.

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keywords: easy
messages: 321381
nosy: serhiy.storchaka, xiang.zhang
priority: normal
severity: normal
status: open
title: possible free statically allocated string
versions: Python 3.6, Python 3.7, Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue34084>
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