The following code creates a lot of stack slots that it only uses once:

https://paste.sr.ht/~sircmpwn/0c96cf330c15568c36ea86b477f3add3db912cc5

(from https://git.sr.ht/~sircmpwn/helios/tree/master/item/main.ha)

This requires 280 bytes of stack space. It would be greatly improved if the dead slots were reused once we're done with those objects.