Hi, I don't have a fix for you, but for what it is worth, it is possible to avoid the segfault by wrapping the `args-fold` form with a `with-exception-handle` with `#:unwind? #t` like so:
(with-exception-handler
(lambda (exn)
(raise-exception exn))
(lambda ()
(args-fold ...))
#:unwind? #t)
--
Olivier Dion
oldiob.ca
