{"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"panic!(\"unexpected"}]}
            panic!("unexpected type `{self_ty:?}`")
        | ty::Infer(ty::TyVar(_) | ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_)) => {
        }