compilation error when functions have no body

[mschuldt]

(defun f ()) (defun f ()) Compilation error :: function 'f' left 0 items on the stack, expected 1 :: stack: nil

0 140174537559704 ----- 1 140174537578008 defun 2 140174537571584 progn 3 140174537572560 progn 4 140174537560112 ----- 5 140174537592824 eval 6 140174537629848 repl 7 140174537631216 init 8 140174537586232 then, 9 140174537035232 -----