[Bug tree-optimization/127206] [17 regression] ice in internal compiler error: in vect_schedule_slp_node, at tree-vect-slp.cc:12201

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127206

--- Comment #4 from Drea Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Drea Pinski from comment #3)
> Created attachment 65496 [details]
> Better reduced testcase
> 
> ICEs with `-O3 -mavx2`.

This reduction was helped with delta and creduce and some manual inlining and
reduction.  The manual reduction mostly helped with removing the template
towards the end. and the manual inlining was basically to remove
deriveLADFShift.