UndefinedImp::staticUndefined->mark();
if (NullImp::staticNull && !NullImp::staticNull->marked())
NullImp::staticNull->mark();
+ if (NumberImp::staticNaN && !NumberImp::staticNaN->marked())
+ NumberImp::staticNaN->mark();
if (BooleanImp::staticTrue && !BooleanImp::staticTrue->marked())
BooleanImp::staticTrue->mark();
if (BooleanImp::staticFalse && !BooleanImp::staticFalse->marked())