// PR c++/85227
// { dg-do compile { target c++11 } }
// { dg-options "" }
extern struct A a;
template<int>
void f()
{
  auto [x] = a;  // { dg-warning "incomplete" }
}  // { dg-warning "structured bindings only available with '-std=c..17' or '-std=gnu..17'" "" { target c++14_down } .-1 }
struct A { int i; };
int main()
{
  f<0>();
}