1 files changed, 6 insertions, 0 deletions
diff --git a/Eigen/src/Core/Product.h b/Eigen/src/Core/Product.h
index 7f0c2df6e..287fc9c5b 100644
--- a/Eigen/src/Core/Product.h
+++ b/Eigen/src/Core/Product.h
@@ -211,6 +211,9 @@ class GeneralProduct<Lhs, Rhs, OuterProduct>
     {
       ei_outer_product_selector<(int(Dest::Flags)&RowMajorBit) ? RowMajor : ColMajor>::run(*this, dest, alpha);
     }
+
+  private:
+    GeneralProduct& operator=(const GeneralProduct&);
 };
 
 template<> struct ei_outer_product_selector<ColMajor> {
@@ -276,6 +279,9 @@ class GeneralProduct<Lhs, Rhs, GemvProduct>
       ei_gemv_selector<Side,(int(MatrixType::Flags)&RowMajorBit) ? RowMajor : ColMajor,
                        bool(ei_blas_traits<MatrixType>::ActualAccess)>::run(*this, dst, alpha);
     }
+
+private:
+  GeneralProduct& operator=(const GeneralProduct&);
 };
 
 // The vector is on the left => transposition