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asimpletune
on April 14, 2020
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Tell HN: C Experts Panel – Ask us anything about C
Why is shifting by a negative amount undefined?
kps
on April 14, 2020
[–]
Because people want `c = a << b` to compile into `shl c, a, b` and C89 made the giant mistake of calling it ‘undefined’ instead of ‘implementation-defined, possibly fatal’.
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