=> 0x7f2ba3277e9c <g_type_check_instance_cast+28>:	mov    (%rax),%rbp
   0x7f2ba3277e9f <g_type_check_instance_cast+31>:	mov    %rbp,%r8
   0x7f2ba3277ea2 <g_type_check_instance_cast+34>:	and    $0xfffffffffffffffc,%r8
   0x7f2ba3277ea6 <g_type_check_instance_cast+38>:	cmp    $0x3fc,%rbp
   0x7f2ba3277ead <g_type_check_instance_cast+45>:	jbe    0x7f2ba3278040 <g_type_check_instance_cast+448>
   0x7f2ba3277eb3 <g_type_check_instance_cast+51>:	xor    %edx,%edx
   0x7f2ba3277eb5 <g_type_check_instance_cast+53>:	xor    %ecx,%ecx
   0x7f2ba3277eb7 <g_type_check_instance_cast+55>:	test   %r8,%r8
   0x7f2ba3277eba <g_type_check_instance_cast+58>:	je     0x7f2ba3277ed2 <g_type_check_instance_cast+82>
   0x7f2ba3277ebc <g_type_check_instance_cast+60>:	movzbl 0x16(%r8),%eax
   0x7f2ba3277ec1 <g_type_check_instance_cast+65>:	and    $0x4,%eax
   0x7f2ba3277ec4 <g_type_check_instance_cast+68>:	cmp    $0x1,%al
   0x7f2ba3277ec6 <g_type_check_instance_cast+70>:	sbb    %edx,%edx
   0x7f2ba3277ec8 <g_type_check_instance_cast+72>:	add    $0x1,%edx
   0x7f2ba3277ecb <g_type_check_instance_cast+75>:	cmp    $0x1,%al
   0x7f2ba3277ecd <g_type_check_instance_cast+77>:	sbb    %ecx,%ecx