{"ast_node_type":"function","tokens":[{"end":62,"kind":"keyword","start":0,"text":"pub"}]}
pub fn rustc_path<'a>(sysroot: &Sysroot) -> Option<&'a Path> {
// that want to invoke the rustc binary while linking to rustc as well.
    static RUSTC_PATH: OnceLock<Option<PathBuf>> = OnceLock::new();