Test RWC+poacquireonce+fencembonceonce+Release

LISA RWC+poacquireonce+fencembonceonce+Release
"RfeReleaseAcquire PodRRAcquireOnce FreOnceOnce FenceMbdWROnceOnce FreOnceRelease"
Cycle=PodRRAcquireOnce FreOnceOnce FenceMbdWROnceOnce FreOnceRelease RfeReleaseAcquire
Relax=FreOnceRelease RfeReleaseAcquire
Safe=PodRRAcquireOnce FreOnceOnce FenceMbdWROnceOnce
Prefetch=1:x=F,1:y=T,2:y=F,2:x=T
Com=Rf Fr Fr
Orig=RfeReleaseAcquire PodRRAcquireOnce FreOnceOnce FenceMbdWROnceOnce FreOnceRelease
{
}
 P0             | P1              | P2           ;
 w[release] x 1 | r[acquire] r0 x | w[once] y 1  ;
                | r[once] r1 y    | f[mb]        ;
                |                 | r[once] r0 x ;
Observed
    2:r0=0; 1:r1=0; 1:r0=1;