[Bug tree-optimization/127654] Neg/BIT_NOT should be factored out even with constants

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127654

--- Comment #1 from Drea Pinski <pinskia at gcc dot gnu.org> ---
See https://gcc.gnu.org/pipermail/gcc-patches/2026-July/724647.html also.