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// { dg-do run  }

// GROUPS passed copy-ctors

/*

bad:

sibelius402> a.out

a=5  a.virtMember()=30

BaseClass::Increm --> {i=5, virtMember()=30}

a=7  a.virtMember()=30

b=7  b.virtMember()=30

BaseClass::Increm --> {i=7, virtMember()=999}

b=9  b.virtMember()=30

sibelius403>

 good:

sibelius406> a.out

a=5  a.virtMember()=30

BaseClass::Increm --> {i=5, virtMember()=30}

a=7  a.virtMember()=30

b=7  b.virtMember()=30

BaseClass::Increm --> {i=7, virtMember()=30}

b=9  b.virtMember()=30

*/

extern "C" int printf (const char *, ...);

extern "C" void exit (int);

void die () { printf ("FAIL\n"); exit (1); }

class BaseClass {

  friend int operator != (const BaseClass irv, int x);

  int i;

public:

  BaseClass( const BaseClass& ir ) : i(ir.i) {}

  BaseClass() : i(5) {}

  virtual int virtMember() { return( 999 ); }

  void Increm( int r );

};

void BaseClass::Increm( int r )

{

  if ((i == 5 && virtMember () == 30)

      || (i == 7 && virtMember () == 30))

    i += r;

  else

    die ();

}

class DerivedClass : public BaseClass {

public:

  int virtMember() { return( 30 ); }

};

int operator != (const BaseClass irv, int x) { return irv.i != x; }

int

main ()

{

    DerivedClass a;

    if (a != 5 || a.virtMember () != 30)

      die ();

    a.Increm(2);

    if (a != 7 || a.virtMember () != 30)

      die ();

    DerivedClass b = a;

    if (b != 7 || a.virtMember () != 30)

      die ();

    b.Increm(2);

    if (b != 9 || a.virtMember () != 30)

      die ();

    printf ("PASS\n");

}