src/jdk.javadoc/share/classes/jdk/javadoc/internal/tool/Start.java

@@ -250,11 +250,13 @@
         if (jdk.javadoc.doclet.Doclet.class.isAssignableFrom(docletClass)) {
             // no need to dispatch to old, safe to init now
             initMessager();
             messager.setLocale(locale);
             try {
-                doclet = (Doclet) docletClass.newInstance();
+                @SuppressWarnings("deprecation")
+                Object o = docletClass.newInstance();
+                doclet = (Doclet) o;
             } catch (InstantiationException | IllegalAccessException exc) {
                 exc.printStackTrace();
                 if (!apiMode) {
                     error("main.could_not_instantiate_class", docletClass);
                     messager.exit();