Viewing file:  pr60640-3.C (1.18 KB) -rw-r--r--
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// { dg-do run }
// { dg-options "-O3" }
struct Distraction
{
char fc[8];
virtual Distraction * return_self ()
{ return this; }
};
namespace {
struct A;
static A * __attribute__ ((noinline, noclone)) get_an_A ();
static int go;
struct A
{
int fi;
A () : fi(777) {}
A (int pi) : fi (pi) {}
virtual A * foo (int p) = 0;
};
struct B;
static B * __attribute__ ((noinline, noclone)) get_a_B ();
struct B : public Distraction, A
{
B () : Distraction(), A() { }
B (int pi) : Distraction (), A (pi) {}
virtual B * foo (int p)
{
int o = fi;
for (int i = 0; i < p; i++)
o += i + i * i;
go = o;
return get_a_B ();
}
};
struct B gb1 (1111), gb2 (2);
static B * __attribute__ ((noinline, noclone))
get_a_B ()
{
return &gb1;
}
static A * __attribute__ ((noinline, noclone))
get_an_A ()
{
return &gb2;
}
}
static int __attribute__ ((noinline, noclone))
get_a_number ()
{
return 5;
}
extern "C" void abort (void);
int main (int argc, char *argv[])
{
for (int i = 0; i < get_a_number (); i++)
{
struct A *p = get_an_A ();
struct A *r = p->foo (4);
if (r->fi != 1111)
abort ();
if (go != 22)
abort ();
}
return 0;
}
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