#include "../Eigen/Core"

using namespace Eigen;

void call_ref(Ref<MatrixXf, 0, OuterStride<> > a) {}

int main() {
  MatrixXf A(10, 10);
#ifdef EIGEN_SHOULD_FAIL_TO_BUILD
  call_ref(A.transpose());
#else
  call_ref(A);
#endif
}