[Bug c++/89818] possibly invalid name mangling

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89818

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
And related to the upstream ABI issue:
https://github.com/itanium-cxx-abi/cxx-abi/issues/38 .