{"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"cgcx.prof.generic_activity_with_arg(\"codegen_module_perform_lto\","}]}
                        cgcx.prof.generic_activity_with_arg("codegen_module_perform_lto", m.name());
                    let _timer =
                    execute_thin_lto_work_item(&cgcx, m, module_config)