Yes, because the pointers are different at -O. As there are no guarantees as to ... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		mpweiher on July 2, 2018 \| parent \| context \| favorite \| on: Pointers Are More Abstract Than You Might Expect i... Yes, because the pointers are different at -O. As there are no guarantees as to the relative placement of auto/stack variables relative to each other, that is perfectly fine.

shakna on July 3, 2018 [–]

If the behaviour differs at optimisation levels, would that not suggest that it is not a sane behaviour?

mpweiher on July 3, 2018 | [–]

Not in this case, no, not at all.

Finding a different layout for auto variable in the stack frame at different optimization levels is perfectly fine.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact