Test IRRWIW+fencembonceonce+pooncerelease+OnceRelease

LISA IRRWIW+fencembonceonce+pooncerelease+OnceRelease
"RfeOnceOnce FenceMbdRROnceOnce FreOnceRelease RfeReleaseOnce PodRWOnceRelease WseReleaseOnce"
Cycle=RfeOnceOnce FenceMbdRROnceOnce FreOnceRelease RfeReleaseOnce PodRWOnceRelease WseReleaseOnce
Relax=FreOnceRelease RfeReleaseOnce WseReleaseOnce
Safe=RfeOnceOnce FenceMbdRROnceOnce PodRWOnceRelease
Prefetch=1:x=F,1:y=T,3:y=F,3:x=W
Com=Rf Fr Rf Ws
Orig=RfeOnceOnce FenceMbdRROnceOnce FreOnceRelease RfeReleaseOnce PodRWOnceRelease WseReleaseOnce
{
}
 P0          | P1           | P2             | P3             ;
 w[once] x 2 | r[once] r0 x | w[release] y 1 | r[once] r0 y   ;
             | f[mb]        |                | w[release] x 1 ;
             | r[once] r1 y |                |                ;
Observed
    x=2; 3:r0=1; 1:r1=0; 1:r0=2;