Test LBNExpNExp+ExpNExp

AArch64 LBNExpNExp+ExpNExp
TTHM=HA HD
{
pte_x=(db:0,dbm:1); 
0:X3=x; 1:X3=x;
1:X6=pte_x;
1:X4=(db:0,dbm:1,oa:phy_y);
x=1;
int y;
}
P0          | P1         ;
MOV W4,#2   | LDR X5,[X6]; 
STR W4,[X3] | STR X4,[X6];
exists (1:X5=(oa:PA(x), dbm:1) /\ [y]=2)