Test WRW+2W+poss+WB

X86_64 WRW+2W+poss+WB
"Rfe PosRW Coe PosWW Coe"
MT=x:WB
Cycle=Rfe PosRW Coe PosWW Coe
Generator=diyone7 (version 7.56+02~dev)
Com=Rf Co Co
Orig=Rfe PosRW Coe PosWW Coe
Align=
{
}
 P0          | P1            | P2            ;
 movl $1,(x) | movl (x),%eax | movl $3,(x)   ;
             | movl $2,(x)   | movl $4,(x)   ;
             | movl (x),%ebx | movl (x),%eax ;
exists (1:rax=3 /\ 1:rbx=4 /\ 2:rax=1 /\ [x]=1)