https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97852
Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mpolacek at gcc dot gnu.org --- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Reduced. Not sure if valid. template <typename T, T> struct S; template <typename T, long... N> auto foo(T t) -> S<decltype(0), (t, N)...>;