FIX: Virtual Base Class Destructor Called More than Once

MORE INFORMATION

Steps to Reproduce Behavior

   //compiler options needed  /GX

    #include <iostream.h>
    class A
    {
      public:
            A() { cout << "In A-ctor" << endl;}
            ~A(){ cout << "In A-dtor" << endl;}
    };

    class B1 : public  virtual   A
    {
      public:
              B1() { cout << "In B1-ctor" << endl;}
            ~B1(){ cout << "In B1-dtor" << endl;}
    };

    class B2 : public  virtual  A
    {
      public:
              B2() { cout << "In B2-ctor" << endl;}
            ~B2(){ cout << "In B2-dtor" << endl;}
    };

    class C : public B1 ,public B2
    {
      public:
          C(){
         cout << "In C-ctor...throw Exception" << endl;
         throw int(1); //incorrect destructor calls...
             }

          ~C(){ cout << "In C-dtor" << endl;}
    };

    void main()
    {
      try
       {
         C c;

       }
      catch (int ex)
       {
         cout << "Caught Exception #" << ex << endl;
         }
    }
				

   In A-ctor
   In B1-ctor
   In B2-ctor
   In C-ctor...throw Exception
   In B2-dtor
   In A-dtor
   In B1-dtor
   In A-dtor
   In A-dtor
   Caught Exception #1
				

   In A-ctor
   In B1-ctor
   In B2-ctor
   In C-ctor...throw Exception
   In B2-dtor
   In B1-dtor
   In A-dtor
   Caught Exception #1