https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110057
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
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See Also| |https://gcc.gnu.org/bugzill
| |a/show_bug.cgi?id=80899
--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Ng YongXiang from comment #4)
> Would anyone be able to direct me to which portion of the code is
> responsible for this threshold between len 2 & 3 array? Is this the
> responsibility of the c++ frontend? or is it still related to the optimizer.
The front-end has nothing to do with the difference between 2 and 3. The
difference between 2 and 3 is unrolling of the loop in the optimizers. See bug
109770 and bug 80899 for other cases of inplacement new causing issues.
