{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"Operand::Move(rhs)"}]}
            Operand::Move(rhs) | Operand::Copy(rhs) => {
            // Transfer the conditions on the copied rhs.
                let Some(rhs) = self.map.find(rhs.as_ref()) else { return };