--- a/langtools/src/share/classes/com/sun/tools/javac/jvm/ClassReader.java	Tue Mar 02 16:43:29 2010 -0800
+++ b/langtools/src/share/classes/com/sun/tools/javac/jvm/ClassReader.java	Wed Mar 03 16:05:34 2010 -0800
@@ -1135,7 +1135,7 @@
         self.name = simpleBinaryName(self.flatname, c.flatname) ;
         self.owner = m != null ? m : c;
         if (self.name.isEmpty())
-            self.fullname = null;
+            self.fullname = names.empty;
         else
             self.fullname = ClassSymbol.formFullName(self.name, self.owner);