https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78699
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> --- Ok, not easily (that's even an understatement...). It's going to be Index: gcc/tree-vect-data-refs.c =================================================================== --- gcc/tree-vect-data-refs.c (revision 243474) +++ gcc/tree-vect-data-refs.c (working copy) @@ -2390,7 +2416,7 @@ vect_analyze_group_access_1 (struct data if (groupsize == 0) groupsize = count + gaps; - if (groupsize > UINT_MAX) + if (groupsize > 4096) { if (dump_enabled_p ()) dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location,