{"ast_node_type":"other","tokens":[{"end":42,"kind":"keyword","start":0,"text":"if"}]}
    if no_clean || target_env_is("msvc") {
    let no_clean = env::var_os(&*ENV_NO_CLEAN_CFLAGS).is_some();
        // MSVC doesn't accept -W... options, so don't try to strip them and