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// { dg-do run }
// Copyright (C) 2002 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 27 Nov 2002 <nathan@codesourcery.com>
// covariant returns. Fixed & virtual offset.
struct B1;
struct B2;
struct D;
struct B1
{
virtual B1 *foo1 () {return this;}
virtual B2 *foo2 (D *);
};
struct B2
{
virtual B2 *baz1 () {return this;}
virtual B1 *baz2 (D *);
};
struct Pad1 { virtual ~Pad1 (){}};
struct Pad2 { virtual ~Pad2 (){}};
struct Proxy1 : Pad1, B1 {};
struct Proxy2 : Pad2, B2 {};
struct D : virtual Proxy1, virtual Proxy2
{
virtual D *foo1 () {return this;}
virtual D *foo2 (D *d) {return d;}
virtual D *baz1 () {return this;}
virtual D *baz2 (D *d) {return d;}
};
B2 *B1::foo2 (D *d) {return d;}
B1 *B2::baz2 (D *d) {return d;}
int test (B1 *b1, B2 *b2, D *d)
{
if (b1->foo1 () != b1)
return 1;
if (b2->baz1 () != b2)
return 2;
if (b1->foo2 (d) != b2)
return 3;
if (b2->baz2 (d) != b1)
return 4;
return 0;
}
int test (D *d)
{
if (d->foo2 (d) != d)
return 11;
if (d->baz2 (d) != d)
return 12;
if (d->foo1 () != d)
return 13;
if (d->baz1 () != d)
return 14;
return 0;
}
int main ()
{
D d;
int r;
if ((r = test (&d, &d, &d)))
return r;
if ((r = test (&d)))
return r;
return 0;
}
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