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

*** 847,856 ****
--- 847,858 ----
           * Ensure the given class is visible to the class loader.
           */
          private static void ensureVisible(ClassLoader ld, Class<?> c) {
              Class<?> type = null;
              try {
+                 if (c.isInlineClass() && c.isIndirectType())
+                     c = c.asPrimaryType();
                  type = Class.forName(c.getName(), false, ld);
              } catch (ClassNotFoundException e) {
              }
              if (type != c) {
                  throw new IllegalArgumentException(c.getName() +