直接在reallymarkobject函数里面跳过不进行检测不行嘛？
/ mark an object. Userdata, strings, and closed upvalues are visited
and turned black here. Other objects are marked gray and added
to appropriate list to be visited (and turned black) later. (Open
upvalues are already linked in 'headuv' list.)
/
直接在reallymarkobject函数里面跳过不进行检测不行嘛？ / mark an object. Userdata, strings, and closed upvalues are visited and turned black here. Other objects are marked gray and added to appropriate list to be visited (and turned black) later. (Open upvalues are already linked in 'headuv' list.) /