{"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"if"}]}
                    if tcx.opt_item_name(did.to_def_id()).is_some() {
                    interesting_spans.no_mangle = Some(*attr_span);
                        codegen_fn_attrs.flags |= CodegenFnAttrFlags::NO_MANGLE;