[Bug tree-optimization/109440] Missed optimization of vector::at when a function is called inside the loop

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109440

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
There's that other bug which would be basically a duplicate, so I leave this
one tree-optimization, not C++.