1extern int r;
2void *p;
3
4#include "ctor2.h"
5
6VBase::VBase ()
7{
8  p = this;
9}
10
11VBase::~VBase ()
12{
13  if (p != this) r = 1;
14}
15
16Stream::Stream () {}
17DerivedStream::DerivedStream ()
18{
19  throw 1;
20}
21