diff -r b1b898c00b71 -r cb9493a80341 src/share/classes/com/sun/tools/javac/main/OptionName.java
--- a/src/share/classes/com/sun/tools/javac/main/OptionName.java	Mon Mar 07 11:37:54 2011 -0800
+++ b/src/share/classes/com/sun/tools/javac/main/OptionName.java	Mon Mar 07 13:45:06 2011 -0800
@@ -88,6 +88,7 @@
     O("-O"),
     XJCOV("-Xjcov"),
     XD("-XD"),
+    AT("@"),
     SOURCEFILE("sourcefile");
 
     public final String optionName;