=> 0x7f438c697b04 <g_object_unref+20>:	cmpq   $0x50,(%rax)
   0x7f438c697b08 <g_object_unref+24>:	je     0x7f438c697b40 <g_object_unref+80>
   0x7f438c697b0a <g_object_unref+26>:	mov    $0x50,%esi
   0x7f438c697b0f <g_object_unref+31>:	mov    %rbx,%rdi
   0x7f438c697b12 <g_object_unref+34>:	callq  0x7f438c6b59e0 <g_type_check_instance_is_a>
   0x7f438c697b17 <g_object_unref+39>:	test   %eax,%eax
   0x7f438c697b19 <g_object_unref+41>:	jne    0x7f438c697b40 <g_object_unref+80>
   0x7f438c697b1b <g_object_unref+43>:	lea    0x277c7(%rip),%rdx        # 0x7f438c6bf2e9
   0x7f438c697b22 <g_object_unref+50>:	pop    %rbx
   0x7f438c697b23 <g_object_unref+51>:	pop    %rbp
   0x7f438c697b24 <g_object_unref+52>:	pop    %r12
   0x7f438c697b26 <g_object_unref+54>:	lea    0x28c16(%rip),%rsi        # 0x7f438c6c0743
   0x7f438c697b2d <g_object_unref+61>:	lea    0x253ba(%rip),%rdi        # 0x7f438c6bceee
   0x7f438c697b34 <g_object_unref+68>:	jmpq   0x7f438c68dc40 <g_return_if_fail_warning@plt>
   0x7f438c697b39 <g_object_unref+73>:	nopl   0x0(%rax)
   0x7f438c697b40 <g_object_unref+80>:	mov    0x8(%rbx),%eax