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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [g++.dg/] [abi/] [covariant3.C] - Rev 320
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// { dg-do run }
// Copyright (C) 2003 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 12 Dec 2003 <nathan@codesourcery.com>
// Origin: grigory@stl.sarov.ru
// PR c++/13118. Missing covariant thunk.
struct c0 {};
struct c1 : virtual c0 {
virtual c0* f6();
};
struct c5 {
virtual void foo();
};
struct c10 : virtual c1 {
virtual void foo();
};
struct c1a : c1 {}; // disambiguation
struct c11 : virtual c10, c1a {
int i;
virtual c1* f6 () = 0;
};
struct c18 : c5, virtual c1 {
virtual void bar();
};
struct c28 : virtual c0, virtual c11 {
virtual c18* f6();
};
c0 *c1::f6 () {}
void c5::foo () {}
void c10::foo () {}
void c18::bar () {}
c18 ret;
c18 *c28::f6 ()
{
return &ret;
}
bool check_c1 (c1 *ptr)
{
c0 *r = ptr->f6 ();
return r != &ret;
}
bool check_c10 (c10 *ptr)
{
c0 *r = ptr->f6 ();
return r != &ret;
}
bool check_c11 (c11 *ptr)
{
c1 *r = ptr->f6 ();
return r != &ret;
}
bool check_c28 (c28 *ptr)
{
c18 *r = ptr->f6 ();
return r != &ret;
}
int main ()
{
c28 obj;
if (check_c1 (static_cast<c1a *> (&obj)))
return 1;
if (check_c1 (static_cast<c10 *> (&obj)))
return 2;
if (check_c10 (&obj))
return 3;
if (check_c11 (&obj))
return 4;
if (check_c28 (&obj))
return 5;
return 0;
}
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