// { dg-additional-options -fmodules-ts }
import inter;
namespace details
{
struct X 
{
  int m;
  X (int m) : m(m)
  {
  }
  operator int () const 
  {
    return m;
  }
};
}
namespace hidden
{
struct Y
{
  int m;
  Y (int m) : m(m)
  {
  }
  operator int () const 
  {
    return m;
  }
};
}
int main ()
{
  details::X x(2);
  hidden::Y y(2);
  // details::fn@worker is visible from TPL@inter
  if (TPL (x) != 2) // instantiate TPL<details::X>(T&)
    return 1;
  // hidden::fn@inter is visible from TPL@inter
  if (TPL (y) != -2) // instantiate TPL<hidden::Y>(T&)
    return 2;
  return 0;
}