=> 0x7f8c06951b99:	mov    0x8(%rax),%rdi
   0x7f8c06951b9d:	mov    %rax,%rsi
   0x7f8c06951ba0:	test   %rdi,%rdi
   0x7f8c06951ba3:	jne    0x7f8c0695195d
   0x7f8c06951ba9:	mov    (%rsi),%rax
   0x7f8c06951bac:	mov    %rsi,%rdi
   0x7f8c06951baf:	mov    0x8(%rax),%rcx
   0x7f8c06951bb3:	mov    %rax,%rsi
   0x7f8c06951bb6:	test   %rcx,%rcx
   0x7f8c06951bb9:	jne    0x7f8c0695196d
   0x7f8c06951bbf:	mov    (%rsi),%rdx
   0x7f8c06951bc2:	mov    %rsi,%rcx
   0x7f8c06951bc5:	mov    0x8(%rdx),%rax
   0x7f8c06951bc9:	mov    %rdx,%rsi
   0x7f8c06951bcc:	test   %rax,%rax
   0x7f8c06951bcf:	jne    0x7f8c0695197d