Handle type objects better to so that tests don't break when we defin…

…e NQPMu.

src/vm/js/nqp-runtime/core.js

@@ -161,7 +161,7 @@ op.create = function(obj) {
 
 op.defined = function(obj) {
   // TODO - handle more things that aren't defined
-  if (obj === undefined || obj === null) {
+  if (obj === undefined || obj === null || obj.type_object_) {
     return 0;
   }
   return 1;

src/vm/js/nqp-runtime/deserialization.js

@@ -283,6 +283,11 @@ BinaryCursor.prototype.deserialize = function(sc) {
     }
     sc.root_objects[i] = new (STable_for_obj.obj_constructor)();
     sc.root_objects[i]._SC = sc;
+
+    if (!objects[i].is_concrete) {
+        // TODO think more about it
+        sc.root_objects[i].type_object_ = 1;
+    }
   }
 
   for (var i = 0; i < STables.length; i++) {

src/vm/js/nqp-runtime/runtime.js

@@ -63,6 +63,9 @@ exports.to_num = function(arg) {
     return isNaN(ret) ? 0 : ret;
   } else if (arg instanceof Array) {
     return arg.length;
+  } else if (arg.type_object_) {
+    // TODO - is that a correct way to do that?
+    return 0;
   } else {
     console.log(arg);
     throw "Can't convert to num";
@@ -88,6 +91,8 @@ exports.to_bool = function(arg) {
     return 0;
   } else if (arg.$$to_bool) {
     return arg.$$to_bool();
+  } else if (arg.type_object_) {
+    return false;
   } else {
     throw "Can't decide if arg is true";
   }