Jens Alfke (2/12/15, 19:22) said:

>In Xcode 7 some C++ code of mine has started being flagged with a new warning:
>
>Value.cc:45:13: error: 'this' pointer cannot be null in well-defined C++
>code; comparison may be assumed to always evaluate to false [-Werror,-
>Wtautological-undefined-compare]
>        if (this == NULL) return kNull;
>            ^~~~    ~~~~

If you want to remove the warning, you could assign 'this' to another pointer 
and test that:

   void *p = this;
        
   if (p == NULL)
      return kNull;

Jeremy



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