=> 0x7fc809f2b090:	cmp    %rdi,0x18(%rdx)
   0x7fc809f2b094:	je     0x7fc809f2b0a8
   0x7fc809f2b096:	mov    %rdx,%rdi
   0x7fc809f2b099:	mov    0x8(%rdi),%rdx
   0x7fc809f2b09d:	test   %rdx,%rdx
   0x7fc809f2b0a0:	jne    0x7fc809f2b090
   0x7fc809f2b0a2:	repz retq 
   0x7fc809f2b0a4:	nopl   0x0(%rax)
   0x7fc809f2b0a8:	mov    0x10(%rdx),%rsi
   0x7fc809f2b0ac:	mov    $0x1,%ecx
   0x7fc809f2b0b1:	test   %rsi,%rsi
   0x7fc809f2b0b4:	je     0x7fc809f2b0bb
   0x7fc809f2b0b6:	mov    (%rsi),%ecx
   0x7fc809f2b0b8:	add    $0x1,%ecx
   0x7fc809f2b0bb:	add    %ecx,%eax
   0x7fc809f2b0bd:	jmp    0x7fc809f2b096