jit-compile: Not a byte-compiled function

[Óscar Fuentes]

I'm trying the libjit branch but I'm stuck with the above error thrown
from jit-compile. For instance:

$ emacs -Q

;; Eval in *scratch*:

(defun foo ()
  (message "hi!"))

(byte-compile 'foo)
(jit-compile 'foo)


What I'm missing?


GNU Emacs 27.0.50 (build 2, x86_64-pc-linux-gnu, X toolkit, Xaw3d scroll
bars) of 2018-09-13

a25a9896d51bbf340675713bc45d15e3846fb816