Reducing undefined behavior in the C language
chmaynard
27 points
6 comments
September 28, 2026
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Discussion Highlights (1 comments)
kazinator
> The question here is: can the compiler hoist the final division operation above assignment to x? A division calculation not a visible effect . Therefore the question doesn't even m ake sense: it's asking: can we see something that is not a visible effect (division) before or after a visible effect (modification of a volatile object).