[Bug c++/111314] Can not deduct parameter pack as a single type

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111314

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
If change DynamicType to a variable length template, then it works; that is:
template <template <typename...> class, typename...>
struct DynamicType {};