src/share/classes/java/lang/Package.java

*** 606,612 ****
      private final String implTitle;
      private final String implVersion;
      private final String implVendor;
      private final URL sealBase;
      private transient final ClassLoader loader;
!     private transient Class packageInfo;
  }
--- 606,612 ----
      private final String implTitle;
      private final String implVersion;
      private final String implVendor;
      private final URL sealBase;
      private transient final ClassLoader loader;
!     private transient Class<?> packageInfo;
  }