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jcranmer
on Jan 21, 2022
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ISO C became unusable for operating systems develo...
In the case where loads from address zero are legal, the dereference-means-non-null-pointer assumption is disabled.
mzs
on Jan 21, 2022
[–]
Seems it wasn't disabled in 2009
https://github.com/torvalds/linux/commit/a3ca86aea5079041488...
jcranmer
on Jan 21, 2022
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parent
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That case wasn't one of the cases where null pointers are valid memory, judging from the commit message. (There
was
a case where gcc had a bug where it didn't disable that check properly, but this doesn't appear to be that case.)
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