/usr/share/common-lisp/systems/ironclad.asd is in cl-ironclad 0.33.0-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/common-lisp/systems/../source/ironclad/ironclad.asd
/usr/share/common-lisp/systems/../source/ironclad/ironclad.asd