bug#37415: Asserting failure setting frame parameters to non-fixnum values in early-init.el

[martin rudalics]

>     emacs --eval "(let ((default-frame-alist '((left . (- 0)))))
> (make-frame-command))"
>
> lisp.h:1231: Emacs fatal error: assertion failed: FIXNUMP (a)
>
> Or, equivalently,
>
>    emacs -Q --no-site-file
>
>    M-: (let ((default-frame-alist '((left . (- 0))))) (make-frame-command))
> <RET>
>
> so the bit about early-init.el seems like a red herring.

Right.  Here I can simply put that in my .emacs to get the error.

martin