[Bug c++/99386] std::variant overhead much larger compared to clang

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99386

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Is that clang++ using libstdc++ from GCC or libc++?  In the end the difference
might boil down to inlining decision differences.