diff -r fd16c54261b3 -r 06bc494ca11e langtools/test/tools/javadoc/XWerror.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javadoc/XWerror.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2002 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug 4099527
+ * @summary javadoc tool: want flag to exit nonzero if there were warnings.
+ * @author gafter
+ * @run main XWerror
+ */
+
+import com.sun.javadoc.*;
+import java.util.*;
+
+public class XWerror extends Doclet
+{
+    public static void main(String[] args) {
+        if (com.sun.tools.javadoc.Main.
+            execute("javadoc", "XWerror",
+                    new String[] {"-Xwerror",
+                                  System.getProperty("test.src", ".") +
+                                  java.io.File.separatorChar +
+                                  "XWerror.java"}) == 0)
+            throw new Error();
+    }
+
+    public static boolean start(com.sun.javadoc.RootDoc root) {
+        root.printWarning(null, "warning message");
+        return false;
+    }
+}