[Bug target/115556] error: this operation requires the SVE ISA extension

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115556

--- Comment #13 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Actually it could be that you are missing 
HWY_AFTER_NAMESPACE ();

And still a bug.