C alpha-split-cache-example2
{
int u = 0;
int v = 0;
int *p = &u;
}

P0(int **p, int *v)
{
	WRITE_ONCE(*v, 1);
	smp_mb();
	WRITE_ONCE(*p, v);
}

P1(int **p)
{
	int *r1;
	int r2;

	r1 = READ_ONCE(*p);
	smp_read_barrier_depends();
	r2 = READ_ONCE(*r1);
}

exists (1:r1=v /\ 1:r2=0);
