=> 0x7fbd15f8f16a <g_type_check_instance_is_a+186>:	mov    %rax,-0x20(%rsp)
   0x7fbd15f8f16f <g_type_check_instance_is_a+191>:	mov    -0x20(%rsp),%r8
   0x7fbd15f8f174 <g_type_check_instance_is_a+196>:	test   %r8,%r8
   0x7fbd15f8f177 <g_type_check_instance_is_a+199>:	je     0x7fbd15f8f200 <g_type_check_instance_is_a+336>
   0x7fbd15f8f17d <g_type_check_instance_is_a+205>:	lea    0x38(%rsi),%r9
   0x7fbd15f8f181 <g_type_check_instance_is_a+209>:	mov    0x38(%rsi),%rax
   0x7fbd15f8f185 <g_type_check_instance_is_a+213>:	mov    %rax,-0x10(%rsp)
   0x7fbd15f8f18a <g_type_check_instance_is_a+218>:	mov    -0x10(%rsp),%rcx
   0x7fbd15f8f18f <g_type_check_instance_is_a+223>:	nop
   0x7fbd15f8f190 <g_type_check_instance_is_a+224>:	mov    (%r8),%eax
   0x7fbd15f8f193 <g_type_check_instance_is_a+227>:	xor    %r10d,%r10d
   0x7fbd15f8f196 <g_type_check_instance_is_a+230>:	test   %rcx,%rcx
   0x7fbd15f8f199 <g_type_check_instance_is_a+233>:	je     0x7fbd15f8f1e8 <g_type_check_instance_is_a+312>
   0x7fbd15f8f19b <g_type_check_instance_is_a+235>:	cmp    -0x8(%rcx),%rax
   0x7fbd15f8f19f <g_type_check_instance_is_a+239>:	jae    0x7fbd15f8f1e8 <g_type_check_instance_is_a+312>
   0x7fbd15f8f1a1 <g_type_check_instance_is_a+241>:	movzbl (%rcx,%rax,1),%eax