void main(){char * data;union_type my_union;{char * data_buf=(char *)ALLOCA(100*sizeof(char));data=data_buf;}my_union.a=data;{char * data=my_union.b;printLine(data);delete [] data;}}
static void main(){char * data;union_type my_union;{char * data_buf=new char[100];data=data_buf;}my_union.a=data;{char * data=my_union.b;printLine(data);delete [] data;}}