--- a/langtools/src/share/classes/com/sun/tools/javac/comp/Annotate.java	Fri Feb 28 20:25:24 2014 +0100
+++ b/langtools/src/share/classes/com/sun/tools/javac/comp/Annotate.java	Mon Mar 03 16:17:32 2014 -0500
@@ -842,7 +842,7 @@
                                   final Env<AttrContext> env,
                                   final Symbol sym,
                                   final DiagnosticPosition deferPos) {
-
+        Assert.checkNonNull(sym);
         normal(new Annotate.Worker() {
                 @Override
                 public String toString() {