=> 0x7fb78a1e866c <g_type_check_instance_cast+60>:	movzbl 0x16(%r8),%eax
   0x7fb78a1e8671 <g_type_check_instance_cast+65>:	and    $0x4,%eax
   0x7fb78a1e8674 <g_type_check_instance_cast+68>:	cmp    $0x1,%al
   0x7fb78a1e8676 <g_type_check_instance_cast+70>:	sbb    %edx,%edx
   0x7fb78a1e8678 <g_type_check_instance_cast+72>:	add    $0x1,%edx
   0x7fb78a1e867b <g_type_check_instance_cast+75>:	cmp    $0x1,%al
   0x7fb78a1e867d <g_type_check_instance_cast+77>:	sbb    %ecx,%ecx
   0x7fb78a1e867f <g_type_check_instance_cast+79>:	add    $0x1,%ecx
   0x7fb78a1e8682 <g_type_check_instance_cast+82>:	mov    %rsi,%r9
   0x7fb78a1e8685 <g_type_check_instance_cast+85>:	and    $0xfffffffffffffffc,%r9
   0x7fb78a1e8689 <g_type_check_instance_cast+89>:	cmp    $0x3fc,%rsi
   0x7fb78a1e8690 <g_type_check_instance_cast+96>:	jbe    0x7fb78a1e86e0 <g_type_check_instance_cast+176>
   0x7fb78a1e8692 <g_type_check_instance_cast+98>:	test   %r9,%r9
   0x7fb78a1e8695 <g_type_check_instance_cast+101>:	jne    0x7fb78a1e86f7 <g_type_check_instance_cast+199>
   0x7fb78a1e8697 <g_type_check_instance_cast+103>:	test   %ecx,%ecx
   0x7fb78a1e8699 <g_type_check_instance_cast+105>:	je     0x7fb78a1e8810 <g_type_check_instance_cast+480>