[Bug target/118603] aarch64-cores.def causes narrowing conversion warnings due to -1 for variant

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118603

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Patch finally submitted:
https://gcc.gnu.org/pipermail/gcc-patches/2025-May/683175.html