--- a/langtools/src/java.compiler/share/classes/javax/tools/JavaCompiler.java	Mon Mar 13 10:59:56 2017 -0700
+++ b/langtools/src/java.compiler/share/classes/javax/tools/JavaCompiler.java	Mon Mar 13 11:27:30 2017 -0700
@@ -305,6 +305,7 @@
          * @throws IllegalArgumentException may be thrown for some
          *      invalid module names
          * @throws IllegalStateException if the task has started
+         * @since 9
          */
         void addModules(Iterable<String> moduleNames);