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// { dg-do run }

// Copyright 2002  Free Software Foundation

// Contributed by Jason Merrill and Alexandre Oliva

// Test zero-initialization of pointers to data members.  Their NULL

// value is represented with -1, not 0.

#include 

struct A

{

  int i;

};

int A::* gp;

typedef int A::* iApm;

iApm gp_zero = 0;

iApm gp_dflt = iApm();

iApm gp_cast = (iApm)0;

iApm gp_func = iApm(0);

iApm gp_stat = static_cast(0);

struct AD : A {};

int AD::* gp_impl = gp_dflt;

int AD::* gp_down = static_cast(gp_stat);

int A::* ga[2];

// Test use in a simple struct.

struct B

{

  int A::* mp;

};

B gb;

struct D;

struct C;

extern D gd;

extern C gc;

// Test that in a class with a constructor, the pointer to member is

// zero-initialized until the constructor is run.

struct C

{

  int A::* mp;

  inline C ();

};

int fail;

struct D

{

  int count;

  inline D ();

};

C::C() : mp (&A::i) { gd.count++; }

D::D() : count (0)

{

  if (gc.mp != 0)

    abort ();

}

// The D must come first for this to work.

D gd;

C gc;

int main()

{

  static int A::* slp;

  static int A::* sla[2];

  static B slb;

  if (gp != 0 || slp != 0

      || gp_zero != 0 || gp_dflt != 0 || gp_cast != 0

      || gp_func != 0 || gp_stat != 0

      || gp_impl != 0 || gp_down != 0)

    abort ();

  if (ga[1] != 0 || sla[1] != 0)

    abort ();

  if (gb.mp != 0 || slb.mp != 0)

    abort ();

}