bug#22975: 25.0.92; CANNOT_DUMP build can't start in tty mode

[martin rudalics]

> But the return value might need to be something specific to steer the
> rest of execution where we want it.  For example, grow_mini_window
> does this:
>
>    if (delta > 0)
>      {
>        root = FRAME_ROOT_WINDOW (f);
>        r = XWINDOW (root);
>        height = call3 (Qwindow_resize_root_window_vertically,
>                  root, make_number (- delta), pixelwise ? Qt : Qnil);
>        if (INTEGERP (height) && window_resize_check (r, false))
>    {
>      block_input ();
>      window_resize_apply (r, false);
>
> which means we need the placeholder return nil to do what we want.  If
> it returns something else, who knows what will happen next?

If it doesn't return an integer, this check

   if (INTEGERP (height) && window_resize_check (r, false))

will fail and nothing will happen.

> IOW, we need to study the actual calls to know what to do in the
> placeholders.  The same examination could tell us how to avoid the
> calls to those functions altogether.  E.g., binding
> resize-mini-windows to nil around the code that runs loadup.el would
> prevent the call to grow_mini_window in the first place.  Maybe that's
> better, I didn't yet make up my mind.

This would be probably better.  Mine was just a proposal to work around
the current situation without any definitive fix.

martin