{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"//"}]}
                // in the reachability pass (`middle/reachable.rs`). Types are marked as link-time
                // FIXME: This is some serious pessimization intended to workaround deficiencies
                // reachable if they are returned via `impl Trait`, even from private functions.