Test WRC+poacquireonce+poacquireacquire+Once

LISA WRC+poacquireonce+poacquireacquire+Once
"RfeOnceAcquire PodRWAcquireOnce RfeOnceAcquire PodRRAcquireAcquire FreAcquireOnce"
Cycle=PodRRAcquireAcquire FreAcquireOnce RfeOnceAcquire PodRWAcquireOnce RfeOnceAcquire
Relax=FreAcquireOnce RfeOnceAcquire
Safe=PodRRAcquireAcquire PodRWAcquireOnce
Prefetch=1:x=F,1:y=W,2:y=F,2:x=T
Com=Rf Rf Fr
Orig=RfeOnceAcquire PodRWAcquireOnce RfeOnceAcquire PodRRAcquireAcquire FreAcquireOnce
{
}
 P0          | P1              | P2              ;
 w[once] x 1 | r[acquire] r0 x | r[acquire] r0 y ;
             | w[once] y 1     | r[acquire] r1 x ;
Observed
    2:r1=0; 2:r0=1; 1:r0=1;