fix

tests/unit/TestSerialize.hx

@@ -92,7 +92,10 @@ class TestSerialize extends Test {
 		eq( c2.ref, c2 );
 
 		// errors
+		#if !cpp
 		exc(function() haxe.Unserializer.run(null));
+		#end
+		
 		exc(function() haxe.Unserializer.run(""));
 
 	}