[Bug tree-optimization/123160] pointer_plus folding breaks objsz

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123160

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #1)
> I almost think this is the same issue as PR 64715. But I am not 100% sure.

Specifically https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64715#c15 .