{"ast_node_type":"variable","tokens":[{"end":69,"kind":"keyword","start":0,"text":"OutFileName::Stdout"}]}
        OutFileName::Stdout if let Err(e) = copy_to_stdout(from) => {
    let copy_gracefully = |from: &Path, to: &OutFileName| match to {
            sess.dcx().emit_err(errors::CopyPath::new(from, to.as_path(), e));