src/java.base/share/classes/java/lang/reflect/ProxyGenerator.java

@@ -443,10 +443,16 @@
      }
  
      /**
       * Generate a class file for the proxy class.  This method drives the
       * class file generation process.
+      *
+      * If a proxy interface references any value classes, the value classes
+      * are listed in the loadable descriptors attribute of the interface class.  The
+      * classes that are referenced by the proxy interface have already
+      * been loaded before the proxy class.  Hence the proxy class is
+      * generated with no loadable descriptors attributes as it essentially has no effect.
       */
      private byte[] generateClassFile() {
          /*
           * Add proxy methods for the hashCode, equals,
           * and toString methods of java.lang.Object.  This is done before