Test R+clflushoptother+mfence+WC+WB

X86_64 R+clflushoptother+mfence+WC+WB
"ClFlushOptOtherdWW Coe MFencedWR Fre"
MT=x:WC y:WB
Generator=diyone7 (version 7.56+02~dev)
Prefetch=0:x=F,0:y=W,1:y=F,1:x=T
Com=Co Fr
Orig=ClFlushOptOtherdWW Coe MFencedWR Fre
Align=
{
}
 P0              | P1            ;
 movl $1,(x)     | movl $2,(y)   ;
 clflushopt (_z) | mfence        ;
 movl $1,(y)     | movl (x),%eax ;
exists (1:rax=0 /\ [y]=2)