Subversion Repositories openrisc

// { dg-do run  }

// Ensure that virtual base upcast and downcasting works on this

// conversions during virtual function dispatch at ctor/dtor time

// when dynamic vtable fixups for deltas are needed.

int fail = 0;

struct BASE1 {

  virtual ~BASE1 () { }

};

class MID;

class BASE2 {

public:

  virtual MID *VFN (){ return 0; }

};

class MIBASE : public BASE1, public BASE2 { };

class VBB : public MIBASE {

public:

  virtual long get_STATE () const = 0;

  void print_STATE() { if (get_STATE () != 87654321) fail = 1; }

};

class VBD : public virtual VBB {

  long STATE;

public:

  long get_STATE() const { return STATE; }

  VBD() { STATE = 87654321; }

  ~VBD() { STATE = 87654321; }

};

class MID : public virtual VBD {

public:

  MID () { print_STATE(); }

  ~MID () { print_STATE(); }

  virtual MID *VFN() { return this; }

};

class LAST : public MID {

public:

  LAST () { print_STATE(); }

  ~LAST () { print_STATE(); }

};

int main() {

  MIBASE *o = new LAST;

  MID *p = o->VFN();

  p->print_STATE();

  delete o;

  return fail;

}