[Bug tree-optimization/92740] induct2 (from polyhedron) regresses 267% with -O2 -ftree-vectorize -ftree-slp-vectorize -fvect-cost-modes=dynamic compared to -O2

[hubicka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92740

--- Comment #1 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
There is also 75% regression on fft2 and 5% on rnflow2.
Induct2 reproduces on kaby lake, fft2 and rnflow seems zen specific.