{"ast_node_type":"other","tokens":[{"end":42,"kind":"keyword","start":0,"text":"if"}]}
    if !config::get_bool("keep_sysroot") {
fn build_rtstartup(dirs: &Dirs, compiler: &Compiler) -> Option<SysrootTarget> {
        let sysroot_src_orig = get_default_sysroot(&compiler.rustc).join("lib/rustlib/src/rust");