{"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"symbols_below_threshold:"}]}
    symbols_below_threshold: &[*const libc::c_char],
    mut serialized_modules: Vec<(SerializedModule<ModuleBuffer>, CString)>,
) -> Result<ModuleCodegen<ModuleLlvm>, FatalError> {