{"ast_node_type":"other","tokens":[{"end":40,"kind":"keyword","start":0,"text":"throw_unsup_format!("}]}
                    throw_unsup_format!(
                if ecx.tcx.intrinsic(instance.def_id()).unwrap().must_be_overridden {
                        "intrinsic `{intrinsic_name}` is not supported at compile-time"