{"ast_node_type":"variable","tokens":[{"end":80,"kind":"keyword","start":0,"text":"if"}]}
                if let ty::FnDef(def_id, ..) = *func.ty(local_decls, tcx).kind()
            | mir::TerminatorKind::TailCall { ref func, .. }
                    && let attrs = tcx.codegen_fn_attrs(def_id)