diff -r 7fe655cad9b1 -r 6b48ebae2569 src/share/classes/com/sun/tools/javac/comp/Check.java
--- a/src/share/classes/com/sun/tools/javac/comp/Check.java	Tue Jun 11 09:59:34 2013 +0100
+++ b/src/share/classes/com/sun/tools/javac/comp/Check.java	Fri Jun 14 16:25:09 2013 +0100
@@ -909,7 +909,7 @@
                                   "unchecked.generic.array.creation",
                                   argtype);
             }
-            if (!((MethodSymbol)sym.baseSymbol()).isSignaturePolymorphic(types)) {
+            if ((sym.baseSymbol().flags() & SIGNATURE_POLYMORPHIC) == 0) {
                 TreeInfo.setVarargsElement(env.tree, types.elemtype(argtype));
             }
          }