{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"//"}]}
                // `Return` then it is definitely not transient.
                // And then check all `Return` in the MIR, and if a local is "maybe live" at a
                let mut transient = DenseBitSet::new_filled(ccx.body.local_decls.len());