[Bug tree-optimization/77689] Missing vectorization lead to huge performance loss

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77689

--- Comment #10 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #5)
> we can't remove the stores because we still can't grok C++ new/delete.

Is there a PR that tracks this issue?