Test NT-10-dmb

AArch64 NT-10-dmb
TTHM=P0:HA
Variant=precise
{
pte_x=(af:0);
x=1;
0:X0=x; 0:X4=y;
1:X0=y; 1:X2=x;

}
 P0           | P1          ;
 LDR W1,[X0]  | LDR W1,[X0] ;
 DMB SY       | DMB LD      ;
 MOV W3,#1    |L1:          ;
 STR W3,[X4]  | LDR W3,[X2] ;
exists (1:X1=1 /\ 1:X3=0 /\ fault(P1:L1,x,MMU:AccessFlag))