[issue34400] Undefined behavior in Parser/parsetok.c

[Zackery Spytz]

New submission from Zackery Spytz <zspytz at gmail.com>:

In parsetok(), null pointers are used in pointer arithmetic.

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components: Interpreter Core
messages: 323505
nosy: ZackerySpytz
priority: normal
severity: normal
status: open
title: Undefined behavior in Parser/parsetok.c
type: behavior
versions: Python 2.7, Python 3.6, Python 3.7, Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue34400>
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