BUG: Debugger Shows Incorrect "this" Pointer

   /* This code demonstrates the problem.
      Compile options needed: none
   */

   #include <iostream.h>

   // Class defenitions
   class A
   {
   protected:
      int aint;
   public:
       virtual void fA(void) = 0;
   };

   class B
   {
   protected:
      int bint;
   public:
       virtual void fB(void) = 0;
   };

   class AB : public A, public B
   {
   protected:
      int abint;
   public:
       virtual void fAB(void);
   };

   class DAB : public AB
   {
   protected:
      int dabint;
   public:
      DAB() {aint = 1; bint = 2; abint = 3; dabint = 4;}
       void fA(void)
       {
           cout << "DAB::fA - this=" << this << endl;
       }
       void fB(void)
       {
      // The "this" pointer will be displayed incorrectly in the
      // locals window during the execution of this function. The
      // address displayed in the output window will still be correct.

           cout << "DAB::fB - this=" << this << endl;

      // The base class member variables "aint" and "bint" will be
      // displayed incorrectly in the locals window, but the derived
      // class member variables "abint" and "dabint" will be
      // incorrect.  All will show correct values in the final output.

         cout << "aint: " << aint << " bint: " << bint
            << " abint: " << abint << " dabint: " << dabint <<
    endl;
       }
   };

   void AB::fAB(void)
   {
       cout << "AB::fAB - this=" << hex << this << endl;
       fA();
       fB();
   }

   void main()
   {
       DAB dab;
       dab.fAB();
   }

   void AB::fAB(void)
   {
       cout << "AB::fAB - this=" << hex << this << endl;
       fA();
       fB();
   }

   void main()
   {
       DAB dab;
       dab.fAB();
   }