Test IRWIW+pooncerelease+poacquireonce+OnceRelease

LISA IRWIW+pooncerelease+poacquireonce+OnceRelease
"RfeOnceOnce PodRWOnceRelease WseReleaseRelease RfeReleaseAcquire PodRWAcquireOnce WseOnceOnce"
Cycle=PodRWAcquireOnce WseOnceOnce RfeOnceOnce PodRWOnceRelease WseReleaseRelease RfeReleaseAcquire
Relax=RfeReleaseAcquire WseReleaseRelease
Safe=PodRWAcquireOnce RfeOnceOnce WseOnceOnce PodRWOnceRelease
Prefetch=1:x=F,1:y=W,3:y=F,3:x=W
Com=Rf Ws Rf Ws
Orig=RfeOnceOnce PodRWOnceRelease WseReleaseRelease RfeReleaseAcquire PodRWAcquireOnce WseOnceOnce
{
}
 P0          | P1             | P2             | P3              ;
 w[once] x 2 | r[once] r0 x   | w[release] y 2 | r[acquire] r0 y ;
             | w[release] y 1 |                | w[once] x 1     ;
Observed
    y=2; x=2; 3:r0=2; 1:r0=2;
and y=2; x=2; 3:r0=2; 1:r0=1;
and y=2; x=1; 3:r0=2; 1:r0=1;