Warning 4512 (assignment operators could not be generated) is now simply disabled.

All unimplemented assignment operators have been removed.

Eigen/src/Sparse/DynamicSparseMatrix.h

@@ -320,12 +320,8 @@ class DynamicSparseMatrix<Scalar,_Flags>::InnerIterator : public SparseVector<Sc
     inline int row() const { return IsRowMajor ? m_outer : Base::index(); }
     inline int col() const { return IsRowMajor ? Base::index() : m_outer; }
 
-
   protected:
     const int m_outer;
-
-  private:
-    InnerIterator& operator=(InnerIterator&);
 };
 
 #endif // EIGEN_DYNAMIC_SPARSEMATRIX_H