[Bug c++/92855] -fvisibility-inlines-hidden failing to hide out-of-line copies of certain inline member functions

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92855

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The libstdc++ headers have visibility extern on them.  Looks like the symbol
you are pointing out would be one of those.