{"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"InstanceKind::Item(def_id)"}]}
            InstanceKind::Item(def_id) | InstanceKind::Virtual(def_id, _) => {
        match *self {
                tcx.body_codegen_attrs(def_id).flags.contains(CodegenFnAttrFlags::TRACK_CALLER)