eigen/failtest/block_nonconst_ctor_on_const_xpr_2.cpp

#include "../Eigen/Core"

#ifdef EIGEN_SHOULD_FAIL_TO_BUILD
#define CV_QUALIFIER const
#else
#define CV_QUALIFIER
#endif

using namespace Eigen;

void foo(CV_QUALIFIER Matrix3d &m) {
  // row/column constructor
  Block<Matrix3d, 3, 1> b(m, 0);
}

int main() {}