~/src/emacs$ .../emacs -Q -batch -f batch-byte-compile cl-typep-subclass.el
    ~/src/emacs$ .../emacs -Q -batch -l cl-typep-subclass.el
    (cl-typep eitest-ab ’class-a) => t
    ~/src/emacs$ .../emacs -Q -batch -l cl-typep-subclass.elc
    (cl-typep eitest-ab ’class-a) => nil

Where cl-typep-subclass.el is