[Bug rtl-optimization/67441] Scheduler unable to disambiguate memory references in unrolled loop

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67441

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
The unroller should at least set MEM_OFFSET_KNOWN_P to false.