Subversion Repositories openrisc

// { dg-do run }

struct ex;

struct basic {

  int refcount;

  ex eval() const;

  basic() : refcount(0) {}

};

struct ex {

  basic *bp;

  ex() : bp(0) { }

  ex(const basic &);

  virtual ~ex();

  void construct_from_basic(const basic &);

};

ex basic::eval() const {

  throw 1;

}

inline ex::ex(const basic &b) { construct_from_basic (b); }

inline ex::~ex() { if (--bp->refcount == 0) delete bp; }

void ex::construct_from_basic(const basic &b) {

  const ex & tmpex = b.eval();

  bp = tmpex.bp;

  bp->refcount++;

}

ex pow() { return basic(); }

int main()

{

  try { pow (); } catch (int) {}

  return 0;

}