Re: Preventing stack overflows with alloca.

[Kim F. Storm]

Richard Stallman <address@hidden> writes:

>     Since old_value is not a lisp object here,
>     we would need to fix (hack) GC like this:
> 
>       for (bind = specpdl; bind != specpdl_ptr; bind++)
>       {
>         mark_object (bind->symbol);
>         if (bind->func != safe_alloca_unwind)
>           mark_object (bind->old_value);
>       }
> 
> Or else use make_save_value to convert it to a clean Lisp object.
> Then GC won't need changing.

I had forgot about make_save_value.  Yes, we should use that.