[Bug tree-optimization/109471] Missing loop unrolling for small std::array?

[stefano.d at posteo dot de via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109471

--- Comment #3 from Stefano <stefano.d at posteo dot de> ---
(In reply to Xi Ruoyao from comment #2)
> The code seems available in the godbolt link but it uses std::array, not
> std::vector.

I'm sorry. I mean std::array of course. :-/