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     Compiler error C2652
 
     'identifier' : illegal copy constructor : first parameter must
     not be an 'identifier'
 
     The first parameter in the specified copy constructor was the
     same type as the class, structure, or union for which it was
     defined.
 
     A copy constructor for a type can take a reference to the type as
     the first parameter but not the type itself.
 
     The following is an example of this error:
 
          class A
          {
             A( A );     // error, takes an A
          };
 
          class B
          {
             B( B& );    // OK, reference to B
          };
                                    -♦-