[Bug tree-optimization/97929] [11 Regression] ICE: in exact_div, at poly-int.h:2219 (vect_get_num_vectors)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97929

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
My bet is

9fc9573f9a5 [2/3] [vect] Add widening add, subtract patterns

exposed the latent issue.