Function rustc_codegen_ssa::back::link::add_user_defined_link_args

pub(in back::link) fn add_user_defined_link_args(
    cmd: &mut dyn Linker, 
    sess: &Session, 
    codegen_results: &CodegenResults
)

Add arbitrary "user defined" args defined from command line and by #[link_args] attributes. FIXME: Determine where exactly these args need to be inserted.