diff -r 49281ea88125 -r 9d541fd2916b src/share/classes/com/sun/tools/javac/main/RecognizedOptions.java
--- a/src/share/classes/com/sun/tools/javac/main/RecognizedOptions.java	Fri Jan 30 23:28:38 2009 -0800
+++ b/src/share/classes/com/sun/tools/javac/main/RecognizedOptions.java	Fri Feb 06 10:23:57 2009 -0800
@@ -449,7 +449,7 @@
         },
 
         // treat warnings as errors
-        new HiddenOption(WERROR),
+        new Option(WERROR,                                      "opt.Werror"),
 
         // use complex inference from context in the position of a method call argument
         new HiddenOption(COMPLEXINFERENCE),