[Bug c++/81873] spurious -Wreturn-type calling a locally declared noreturn function

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81873

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This is not so much an -Wreturn-type issue but a symptom of the C++ front-end
not merging decls for globals.  You filed a few other cases which are accepts
invalid which are the same here.