0x7f7bdb8cc903:	mov    (%rax),%eax
0x7f7bdb8cc905:	sub    $0x1,%eax
0x7f7bdb8cc908:	je     0x7f7bdb8cc928
0x7f7bdb8cc90a:	callq  0x7f7bdb854c00 <_ZN9QListData7detach2Ev@plt>
0x7f7bdb8cc90f:	mov    %rax,%rdx
0x7f7bdb8cc912:	lock decl (%rax)
0x7f7bdb8cc915:	setne  %al
0x7f7bdb8cc918:	test   %al,%al
0x7f7bdb8cc91a:	jne    0x7f7bdb8cc928
0x7f7bdb8cc91c:	mov    (%rdx),%eax
0x7f7bdb8cc91e:	test   %eax,%eax
0x7f7bdb8cc920:	je     0x7f7bdb8cc984
0x7f7bdb8cc922:	nopw   0x0(%rax,%rax,1)
0x7f7bdb8cc928:	mov    (%rbx),%rbp
0x7f7bdb8cc92b:	xor    %r12d,%r12d
0x7f7bdb8cc92e:	xor    %ebx,%ebx