diff -r 96d4226bdd60 -r 56b77a38618c src/share/classes/com/sun/tools/javac/parser/Scanner.java
--- a/src/share/classes/com/sun/tools/javac/parser/Scanner.java	Mon Feb 07 18:10:13 2011 +0000
+++ b/src/share/classes/com/sun/tools/javac/parser/Scanner.java	Mon Feb 07 11:42:12 2011 -0800
@@ -138,7 +138,7 @@
         source = fac.source;
         allowBinaryLiterals = source.allowBinaryLiterals();
         allowHexFloats = source.allowHexFloats();
-        allowUnderscoresInLiterals = source.allowBinaryLiterals();
+        allowUnderscoresInLiterals = source.allowUnderscoresInLiterals();
     }
 
     private static final boolean hexFloatsWork = hexFloatsWork();