=> 0x7f2d301b6ff0 <g_type_check_instance_is_a+112>:	testb  $0x4,0x16(%rdi)
   0x7f2d301b6ff4 <g_type_check_instance_is_a+116>:	je     0x7f2d301b6fc3 <g_type_check_instance_is_a+67>
   0x7f2d301b6ff6 <g_type_check_instance_is_a+118>:	movzbl 0x14(%rsi),%eax
   0x7f2d301b6ffa <g_type_check_instance_is_a+122>:	movzbl 0x14(%rdi),%edx
   0x7f2d301b6ffe <g_type_check_instance_is_a+126>:	cmp    %dl,%al
   0x7f2d301b7000 <g_type_check_instance_is_a+128>:	movzbl %al,%ecx
   0x7f2d301b7003 <g_type_check_instance_is_a+131>:	ja     0x7f2d301b701d <g_type_check_instance_is_a+157>
   0x7f2d301b7005 <g_type_check_instance_is_a+133>:	movzbl %dl,%edx
   0x7f2d301b7008 <g_type_check_instance_is_a+136>:	mov    0x48(%rsi),%r8
   0x7f2d301b700c <g_type_check_instance_is_a+140>:	mov    $0x1,%eax
   0x7f2d301b7011 <g_type_check_instance_is_a+145>:	sub    %ecx,%edx
   0x7f2d301b7013 <g_type_check_instance_is_a+147>:	movslq %edx,%rdx
   0x7f2d301b7016 <g_type_check_instance_is_a+150>:	cmp    %r8,0x48(%rdi,%rdx,8)
   0x7f2d301b701b <g_type_check_instance_is_a+155>:	je     0x7f2d301b6fc5 <g_type_check_instance_is_a+69>
   0x7f2d301b701d <g_type_check_instance_is_a+157>:	movslq %ecx,%rcx
   0x7f2d301b7020 <g_type_check_instance_is_a+160>:	xor    %eax,%eax