Test IRWIW+poacquirerelease+fencembonceonce+ReleaseRelease

LISA IRWIW+poacquirerelease+fencembonceonce+ReleaseRelease
"RfeReleaseAcquire PodRWAcquireRelease WseReleaseRelease RfeReleaseOnce FenceMbdRWOnceOnce WseOnceRelease"
Cycle=PodRWAcquireRelease WseReleaseRelease RfeReleaseOnce FenceMbdRWOnceOnce WseOnceRelease RfeReleaseAcquire
Relax=WseOnceRelease RfeReleaseAcquire RfeReleaseOnce WseReleaseRelease
Safe=PodRWAcquireRelease FenceMbdRWOnceOnce
Prefetch=1:x=F,1:y=W,3:y=F,3:x=W
Com=Rf Ws Rf Ws
Orig=RfeReleaseAcquire PodRWAcquireRelease WseReleaseRelease RfeReleaseOnce FenceMbdRWOnceOnce WseOnceRelease
{
}
 P0             | P1              | P2             | P3           ;
 w[release] x 2 | r[acquire] r0 x | w[release] y 2 | r[once] r0 y ;
                | w[release] y 1  |                | f[mb]        ;
                |                 |                | w[once] x 1  ;
Observed
    y=2; x=2; 3:r0=2; 1:r0=2;