[Qt-interest] Linker warning after updating to 4.6

[Info]

Hi,

I updated to 4.6-stable today and have started seeing a linker warning  
which has never appeared before:

warning C4744: _imp_?shared_null at QByteArray@@0UData at 1@A' has different  
type in 'eventfilter.cpp' and 'eventhandler.cpp': 'struct (20 bytes)'  
and 'union (20 bytes)'


I don't think this causes a problem as it only appears when I have  
the /GL compiler switch on so it would seem that it's just not  
optimizing that particular code as much as it could but I'm wondering  
if there is something more sinister causing it that I should be  
worried about?

Thanks.
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