$ pwd
/home/mario/src/chicken-4.9.0rc1/tests

$ ../csi -n -include-path /home/mario/src/chicken-4.9.0rc1/tests/.. -s lolevel-tests.scm

Error: unbound variable: foo

	Call history:

	<syntax>	  #<invalid forwarded object>
	<syntax>	  (quote hello)
	<syntax>	  (##core#quote #<invalid forwarded object>)
	<syntax>	  (apply new args)
	<eval>	  (mutate-procedure! #<invalid forwarded object> (lambda (#<invalid forwarded object>) (lambda #<inval......
	<syntax>	  (assert (not (eq? foo new-foo)))
	<syntax>	  (##core#let ((tmp139 (not (eq? foo new-foo)))) (##core#if (##core#check tmp139) tmp139 (##sys#error ...
	<syntax>	  (##core#begin (##core#if (##core#check tmp139) tmp139 (##sys#error "assertion failed" (##core#quote ...
	<syntax>	  (##core#if (##core#check tmp139) tmp139 (##sys#error "assertion failed" (##core#quote (not (eq? foo ......
	<syntax>	  (##core#check tmp139)
	<syntax>	  (##sys#error "assertion failed" (##core#quote (not (eq? foo new-foo))))
	<syntax>	  (##core#quote (not (eq? foo new-foo)))
	<syntax>	  (not (eq? foo new-foo))
	<syntax>	  (eq? foo new-foo)
	<eval>	  (not (eq? foo new-foo))
	<eval>	  (eq? foo new-foo)	<--

$ ../csi -n -s lolevel-tests.scm

$ echo $?
0

$ ldd ../csi
	linux-vdso.so.1 =>  (0x00007fff53cdd000)
	libchicken.so.7 => /home/mario/local/chicken-4.9.0rc1//lib/libchicken.so.7 (0x00007f6b48a35000)
	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f6b4864b000)
	libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f6b48346000)
	libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f6b48142000)
	/lib64/ld-linux-x86-64.so.2 (0x00007f6b49789000)