class B {
public:
  int b1;
  int b2;
};

class D : public B {
public:
  int d1;
  int d2;
};

D *d = new D ();
d->d1 = 9032;
d->d2 = 3293;
d->b1 = 2948;
d->b2 = 8432;
B *b = d;
int x1 = b->b1;
int x2 = b->b2;
              

; d->d1 = 9032;
movq    -8(%rbp), %rax  ; load d into rax, at -8 bytes off of base pointer
movl    $9032, 8(%rax)  ; write 9032 into d1, at 8 bytes off of rax

; d->d2 = 3293;
movq    -8(%rbp), %rax  ; load d into rax
movl    $3293, 12(%rax) ; write 3293 into d2, at 12 bytes off of rax

; d->b1 = 2948;
movq    -8(%rbp), %rax  ; load d into rax
movl    $2948, (%rax)   ; write 2948 into b1, at 0 bytes off of rax

; d->b2 = 8432;
movq    -8(%rbp), %rax  ; load d into rax
movl    $8432, 4(%rax)  ; write 8432 into b2, at 4 bytes off of rax

; B *b = d;
movq    -8(%rbp), %rax  ; load d into rax
movq    %rax, -16(%rbp) ; copy rax=d into b, at -16 bytes off of base pointer

; int x1 = b->b1;
movq    -16(%rbp), %rax ; load b into rax
movl    (%rax), %eax    ; load b1, at 0 bytes off of rax, into eax
movl    %eax, -20(%rbp) ; load eax into x1, at -20 bytes off of base pointer

; int x2 = b->b2;
movq    -16(%rbp), %rax ; load b into rax
movl    4(%rax), %eax   ; load b2, at 4 bytes off of rax, into eax
movl    %eax, -24(%rbp) ; load eax into x2, at -24 bytes off of base pointer