{"ast_node_type":"variable","tokens":[{"end":56,"kind":"keyword","start":0,"text":"if"}]}
    if let Some(name) = option_env!("BUILTIN_BACKEND") {
    let mut rustflags = vec!["-Cpanic=abort".to_owned(), "-Zpanic-abort-tests".to_owned()];
        rustflags.push(format!("-Zcodegen-backend={name}"));