[Bug tree-optimization/116569] [15 Regression] ICE in to_constant, at poly-int.h:592

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116569

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Try optimize_vectors_before_lowering_p () like what is used a few other places.