[Bug c++/81047] thread local storage static class members of class type cannot be initialized

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81047

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
What the error message is saying is if you use thread_local instead of
__thread; it would work (and c++11 or higher).