C C-MP+o-assign+o-dep-o.litmus

{
	x=y0;
	0:r4=y;
}

P0(int *x, int *y)
{
	WRITE_ONCE(*y, 1);
	rcu_assign_pointer(*x, r4);
}

P1(int *x, int *y)
{
	int r1;
	int r2;

	r1 = READ_ONCE(*x);
	r2 = READ_ONCE(*r1);
}

exists
(1:r1=y /\ 1:r2=0)