=> 0x7fc51f121b90:	mov    0x20(%rdi),%eax
   0x7fc51f121b93:	shr    $0x2,%eax
   0x7fc51f121b96:	and    $0x1,%eax
   0x7fc51f121b99:	retq   
   0x7fc51f121b9a:	nopw   0x0(%rax,%rax,1)
   0x7fc51f121ba0 <g_variant_unref>:	test   %rdi,%rdi
   0x7fc51f121ba3 <g_variant_unref+3>:	push   %rbx
   0x7fc51f121ba4 <g_variant_unref+4>:	mov    %rdi,%rbx
   0x7fc51f121ba7 <g_variant_unref+7>:	je     0x7fc51f121c78 <g_variant_unref+216>
   0x7fc51f121bad <g_variant_unref+13>:	mov    0x24(%rdi),%eax
   0x7fc51f121bb0 <g_variant_unref+16>:	test   %eax,%eax
   0x7fc51f121bb2 <g_variant_unref+18>:	jle    0x7fc51f121c48 <g_variant_unref+168>
   0x7fc51f121bb8 <g_variant_unref+24>:	mov    0x24(%rdi),%eax
   0x7fc51f121bbb <g_variant_unref+27>:	lea    -0x1(%rax),%edx
   0x7fc51f121bbe <g_variant_unref+30>:	mov    %eax,%ecx
   0x7fc51f121bc0 <g_variant_unref+32>:	lock cmpxchg %edx,0x24(%rbx)