=> 0x7f33af306bad <g_type_check_instance_cast+93>:	movzbl 0x16(%rcx),%eax
   0x7f33af306bb1 <g_type_check_instance_cast+97>:	and    $0x4,%eax
   0x7f33af306bb4 <g_type_check_instance_cast+100>:	cmp    $0x1,%al
   0x7f33af306bb6 <g_type_check_instance_cast+102>:	sbb    %edx,%edx
   0x7f33af306bb8 <g_type_check_instance_cast+104>:	add    $0x1,%edx
   0x7f33af306bbb <g_type_check_instance_cast+107>:	cmp    $0x1,%al
   0x7f33af306bbd <g_type_check_instance_cast+109>:	sbb    %ebp,%ebp
   0x7f33af306bbf <g_type_check_instance_cast+111>:	add    $0x1,%ebp
   0x7f33af306bc2 <g_type_check_instance_cast+114>:	mov    %r12,%r14
   0x7f33af306bc5 <g_type_check_instance_cast+117>:	and    $0xfffffffffffffffc,%r14
   0x7f33af306bc9 <g_type_check_instance_cast+121>:	cmp    $0x3fc,%r12
   0x7f33af306bd0 <g_type_check_instance_cast+128>:	jbe    0x7f33af306c40 <g_type_check_instance_cast+240>
   0x7f33af306bd2 <g_type_check_instance_cast+130>:	test   %r14,%r14
   0x7f33af306bd5 <g_type_check_instance_cast+133>:	jne    0x7f33af306c57 <g_type_check_instance_cast+263>
   0x7f33af306bdb <g_type_check_instance_cast+139>:	test   %ebp,%ebp
   0x7f33af306bdd <g_type_check_instance_cast+141>:	je     0x7f33af306ca2 <g_type_check_instance_cast+338>