gcc/testsuite/g++.dg/cpp2a/class-deduction-aggr13.C

   1 // PR c++/105476
   2 // { dg-do compile { target c++17 } }
   3
   4 template<class> struct Visitor_functor;
   5
   6 template<class> struct Events {
   7   template<class... Fn> struct Visitor : Visitor_functor<Fn>::type_t... { };
   8 };
   9
  10 using ev_t = Events<int>;
  11 ev_t::Visitor v = { {} }; // { dg-error "too many initializers" }