{"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"//"}]}
            // live at point `q`, then it's guaranteed that `i` would reach `r` at point `q`.
            // FIXME: if the issuing region `i` can reach a live region `r` at point `p`, and `r` is
            // Reachability is location-insensitive, and we could take advantage of that, by jumping