[Bug target/125838] aarch64: Implementation divergence in vendor::preserve_none with variadic calls.

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125838

--- Comment #3 from Drea Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Iain Sandoe from comment #2)
> I read that, but ISTM that it's already in the wild and from what I hear is
> being used by python .. so .. we might be in a tricky place already.

Yes it is used in cpython BUT it is not supposed to be used which is exported
that is exposed as an API with that ABI.