14:47:10stassatsother common lisps are not trying to be operating systems
14:54:15stassatsok, i'm giving up on smart substitute-single-use-lvar for returns and exits, even though i now can handle anything, except for inlining, since it can produce arbitrary code
14:54:25stassatswhether the thing itself is inlined, or something inside of it is inlined
14:54:58stassatsbut, i gather a bit of tests and a better understanding, it's really not an important optimization