Revert https://gitlab.com/libeigen/eigen/-/commit/040180078db70b8673932d7e5615920d64ceeaf5
Eigen is a C++ template library for linear algebra: matrices, vectors, numerical solvers, and related algorithms.
For more information go to http://eigen.tuxfamily.org/ or https://libeigen.gitlab.io/docs/.
For pull request, bug reports, and feature requests, go to https://gitlab.com/libeigen/eigen.