src/java.base/share/classes/jdk/internal/reflect/MethodAccessorGenerator.java

*** 390,399 ****
--- 390,400 ----
          // same namespace as the target class. Since the generated code
          // is privileged anyway, the protection domain probably doesn't
          // matter.
          return AccessController.doPrivileged(
              new PrivilegedAction<MagicAccessorImpl>() {
+                 @SuppressWarnings("deprecation") // Class.newInstance
                  public MagicAccessorImpl run() {
                          try {
                          return (MagicAccessorImpl)
                          ClassDefiner.defineClass
                                  (generatedName,