1 // PR c++/88986 2 // { dg-do compile { target c++11 } } 3 // { dg-options "" } 4 5 struct B1 { typedef int type; }; 6 struct B2 { typedef double type; }; 7 8 template<typename ...T> struct C : T... { 9 using typename T::type ...; // { dg-warning "pack expansion" "" { target c++14_down } } 10 // { dg-error "redeclaration" "" { target *-*-* } .-1 } fC11 void f() { type value; } 12 }; 13 14 template struct C<B1, B2>; 15