Test RWC+poacquireacquire+fencembonceonce+Release

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