[Bug target/113257] -march=native or -mcpu=native are ineffective, but -march=native -mcpu=native works on arm64 M2 Ultra

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113257

--- Comment #3 from Sam James <sjames at gcc dot gnu.org> ---
(In reply to Richard Earnshaw from comment #2)
I'm missing why the combination then works though?