--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/langtools/tools/javadoc/FlagsTooEarly.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 4904495
+ * @summary Compilation may go awry if we ask a symbol for its flags during
+ *          javac's Enter phase, before the flags are generally available.
+ * @modules jdk.javadoc
+ */
+
+import com.sun.javadoc.*;
+
+public class FlagsTooEarly extends Doclet {
+
+    public static void main(String[] args) {
+        String thisFile = "" +
+            new java.io.File(System.getProperty("test.src", "."),
+                             "FlagsTooEarly.java");
+
+        if (com.sun.tools.javadoc.Main.execute(
+                "javadoc",
+                "FlagsTooEarly",
+                FlagsTooEarly.class.getClassLoader(),
+                new String[] {"-Xwerror", thisFile}) != 0)
+            throw new Error("Javadoc encountered warnings or errors.");
+    }
+
+    /*
+     * The world's simplest doclet.
+     */
+    public static boolean start(RootDoc root) {
+        return true;
+    }
+
+
+    /*
+     * The following sets up the scenario for triggering the (potential) bug.
+     */
+    C2 c;
+    static class C1 { }
+    static class C2 { }
+}