[Bug c++/80240] cannot dynamic_cast variable to intmax_t from variable of type intmax_t

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80240

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
http://en.cppreference.com/w/cpp/language/dynamic_cast

Please stop reporting a bug every time your code doesn't compile.