[Bug tree-optimization/108440] rotate optimization may introduce new UB

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108440

--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Should be fixed on the trunk.  Not sure about backports, the ranger related
stuff might need to be simplified there.