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);free(data);}}
static void main(){char * data;_union_type my_union;{char * data_buf=(char *)malloc(100*sizeof(char));data=data_buf;}my_union.a=data;{char * data=my_union.b;printLine(data);free(data);}}