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

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

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

--- Comment #11 from Iain Sandoe <iains at gcc dot gnu.org> ---
the code attached here with the edit in comment #9.

Without the edit we compute 277 which is the expected value.
with the edit we return a random (but so far always negative) number