void main(){twointsclass * data;data=NULL;data=new twointsclass;data->a=1;data->b=2;delete data;{twointsclass * data_copy=data;twointsclass * data=data_copy;printIntLine(data->a);}}
static void main(){twointsclass * data;data=NULL;data=new twointsclass;data->a=1;data->b=2;{twointsclass * data_copy=data;twointsclass * data=data_copy;printIntLine(data->a);}}