=> 0x7fe66804f17d <g_type_check_instance+13>:	mov    (%rdi),%rax
   0x7fe66804f180 <g_type_check_instance+16>:	test   %rax,%rax
   0x7fe66804f183 <g_type_check_instance+19>:	je     0x7fe66804f228 <g_type_check_instance+184>
   0x7fe66804f189 <g_type_check_instance+25>:	mov    (%rax),%rdi
   0x7fe66804f18c <g_type_check_instance+28>:	cmp    $0x3fc,%rdi
   0x7fe66804f193 <g_type_check_instance+35>:	mov    %rdi,%rdx
   0x7fe66804f196 <g_type_check_instance+38>:	ja     0x7fe66804f1f0 <g_type_check_instance+128>
   0x7fe66804f198 <g_type_check_instance+40>:	lea    0x21d141(%rip),%rax        # 0x7fe66826c2e0
   0x7fe66804f19f <g_type_check_instance+47>:	shr    $0x2,%rdx
   0x7fe66804f1a3 <g_type_check_instance+51>:	mov    (%rax,%rdx,8),%rdx
   0x7fe66804f1a7 <g_type_check_instance+55>:	test   %rdx,%rdx
   0x7fe66804f1aa <g_type_check_instance+58>:	je     0x7fe66804f1b7 <g_type_check_instance+71>
   0x7fe66804f1ac <g_type_check_instance+60>:	testb  $0x4,0x16(%rdx)
   0x7fe66804f1b0 <g_type_check_instance+64>:	mov    $0x1,%eax
   0x7fe66804f1b5 <g_type_check_instance+69>:	jne    0x7fe66804f1e7 <g_type_check_instance+119>
   0x7fe66804f1b7 <g_type_check_instance+71>:	test   %rdi,%rdi