=> 0x5c1ab8:	testb  $0x40,0xa9(%rax)
   0x5c1abf:	jne    0x5c1ac8
   0x5c1ac1:	xor    %eax,%eax
   0x5c1ac3:	pop    %rbx
   0x5c1ac4:	retq   
   0x5c1ac5:	nopl   (%rax)
   0x5c1ac8:	mov    0x148(%rax),%rax
   0x5c1acf:	test   %rax,%rax
   0x5c1ad2:	jne    0x5c1af0
   0x5c1ad4:	mov    -0x8(%rbx),%rdx
   0x5c1ad8:	cmp    $0x1,%rdx
   0x5c1adc:	jle    0x5c1ac1
   0x5c1ade:	sub    $0x2,%rdx
   0x5c1ae2:	xor    %eax,%eax
   0x5c1ae4:	mov    %rdx,-0x8(%rbx)
   0x5c1ae8:	pop    %rbx