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Warn about bitwise shift misuse with negative arguments #1637

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sim642 opened this issue Dec 4, 2024 · 0 comments
Open

Warn about bitwise shift misuse with negative arguments #1637

sim642 opened this issue Dec 4, 2024 · 0 comments
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feature good first issue

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sim642 commented Dec 4, 2024

Bitwise shifts with some negative arguments are undefined behavior in C. Currently we overapproximate such things to top (hopefully), but we should fairly easily be able to warn about it based on bounds.
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