message: Use () for entry_fn.
diff: @@ -15,7 +15,7 @@ pub(crate) fn maybe_create_entry_wrapper(
  unwind_context: &mut UnwindContext,
  is_jit: bool,
  ) {
  - let (main_def_id, is_main_fn) = match tcx.entry_fn(LOCAL_CRATE) {
  + let (main_def_id, is_main_fn) = match tcx.entry_fn(()) {
  Some((def_id, entry_ty)) => (
  def_id,
  match entry_ty {
  