Uuups that was not yet intended for a commit.

Eigen/src/Core/CommaInitializer.h

diff --git a/Eigen/src/Core/CommaInitializer.h b/Eigen/src/Core/CommaInitializer.h
index 328c558..e86f47a 100644
--- a/Eigen/src/Core/CommaInitializer.h
+++ b/Eigen/src/Core/CommaInitializer.h
@@ -116,9 +116,6 @@
   int m_row;              // current row id
   int m_col;              // current col id
   int m_currentBlockRows; // current block height
-
-private:
-  CommaInitializer& operator=(const CommaInitializer&);
 };
 
 /** \anchor MatrixBaseCommaInitRef