8011749: Bugs with empty character class handling
Reviewed-by: lagergren, attila
obj1.valueOfobj1 is 1obj1.valueOf11obj2.valueOfobj2 is 2obj2.valueOf24obj1.valueOfobj2.valueOf3obj3.toStringworld12obj3.toStringhello worldobj1.valueOfobj3.toString1worldobj2.valueOfobj3.toString2worldobj3.toStringobj3.toStringworldworld