message: Fix bundled static libraries
diff: @@ -159,6 +159,8 @@ enum BuilderKind {
  let err = err.to_string();
  if err == "Unknown file magic" {
  // Not an object file; skip it.
  + } else if object::read::archive::ArchiveFile::parse(&*data).is_ok() {
  + // Nested archive file; skip it.
  } else {
  sess.fatal(&format!(
  "error parsing `{}` during archive creation: {}",
  