Implementing object model, memory allocators finalization routines. Adding assertion that all memory was freed before exit.

src/libecmaoperations/ecma-global-object.c

@@ -77,6 +77,19 @@ ecma_op_create_global_object( void)
   return glob_obj_p;
 } /* ecma_op_create_global_object */
 
+/**
+ * Remove global reference to the global object.
+ *
+ * Warning:
+ *         the routine should be called only from ecma_finalize
+ */
+void
+ecma_finalize_global_object(void)
+{
+  ecma_deref_object( ecma_global_object_p);
+  ecma_global_object_p = NULL;
+} /* ecma_free_global_object */
+
 /**
  * @}
  * @}