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/* Verify that we survive creation and deletion of references to facilitate
reference removal while also doing (unsuccessful) speculative
devirtualization. */
/* { dg-do link } */
/* { dg-options "-O3 -fno-early-inlining" } */
class A
{
public:
virtual void __attribute__ ((noinline)) foo(void (*)(void));
};
static
void b(void)
{
}
void __attribute__ ((noinline))
A::foo(void (*back)(void))
{
back();
}
class A *a;
void __attribute__ ((noinline, noclone))
allocate_a ()
{
a = new A();
}
int main()
{
allocate_a();
for (int i=0; i<10000;i++)
a->foo(b);
}
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