From: gregmmarr@googlemail.com   
      
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   > I'm curious if that is the behavior guaranteed by the standard.   
   > As I understand it, the standard seems to guarantee the opposite:   
   > it says get_deleter()(old_p) is called if old_p != nullptr, and   
   > in case of a self-reset of a non-null unique_ptr, old_p != nullptr   
   > holds and get_deleter()(old_p) should be called.   
      
   I don't know what the standard says, but I don't think that it's possible   
   to do otherwise than what VS is doing.  Otherwise, it would have to detect   
   that it just deleted what it is pointing to, and then null itself out again.   
      
      
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