diff -r ec59a2ce9114 -r 9448fe783fd2 src/share/classes/com/sun/tools/javac/code/Source.java
--- a/src/share/classes/com/sun/tools/javac/code/Source.java	Thu Nov 24 13:38:40 2011 +0000
+++ b/src/share/classes/com/sun/tools/javac/code/Source.java	Mon Nov 28 15:56:42 2011 +0000
@@ -194,6 +194,9 @@
     public boolean allowObjectToPrimitiveCast() {
         return compareTo(JDK1_7) >= 0;
     }
+    public boolean allowLambda() {
+        return compareTo(JDK1_8) >= 0;
+    }
     public static SourceVersion toSourceVersion(Source source) {
         switch(source) {
         case JDK1_2: