collectgarbage question.

Hi,

I am using luabind-0.8.1, lua 5.1.4, and VC2005.
I have a strange bug; collect garbage doesn't work in the following simple
code.

-----------------------------------------------------------------------
test1.lua -> Garbage collection doesn't work. (the dtor of VRMLloader class
is not called.)

   do
      local skel=VRMLloader("aa.wrl")
      skel.dofInfo:setFrameRate(30)
   end
   collectgarbage()

-----------------------------------------------------------------------
test2.lua -> Garbage collection works. (dtor called)

   do
      local skel=VRMLloader("aa.wrl")
   end
   collectgarbage()

I have no idea what could cause the difference. Has anybody observed similar
situation?

-----------------------------------------------------------------------
binding:

class VRMLloader: public MotionLoader
{
public:
    MotionDOFinfo dofInfo;

    VRMLloader(const char* vrmlFile);
    virtual ~VRMLloader() { printf("dtor called");}
   ...
};

    luabind::class_<VRMLloader, MotionLoader>("VRMLloader")
            .def_readwrite("dofInfo", &VRMLloader::dofInfo)
            .def(luabind::constructor<const char*>())



Thanks.

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