diff --git a/Eigen/src/Core/Reverse.h b/Eigen/src/Core/Reverse.h
index 6051f7366..abc44bde6 100644
--- a/Eigen/src/Core/Reverse.h
+++ b/Eigen/src/Core/Reverse.h
@@ -126,13 +126,13 @@ template<typename MatrixType, int Direction> class Reverse
                                                     ReverseCol ? m_matrix.cols() - col - 1 : col);
     }
 
-    inline const Scalar coeff(Index row, Index col) const
+    inline CoeffReturnType coeff(Index row, Index col) const
     {
       return m_matrix.coeff(ReverseRow ? m_matrix.rows() - row - 1 : row,
                             ReverseCol ? m_matrix.cols() - col - 1 : col);
     }
 
-    inline const Scalar coeff(Index index) const
+    inline CoeffReturnType coeff(Index index) const
     {
       return m_matrix.coeff(m_matrix.size() - index - 1);
     }
diff --git a/Eigen/src/Core/products/GeneralMatrixVector.h b/Eigen/src/Core/products/GeneralMatrixVector.h
index 44986dc16..96a038b05 100644
--- a/Eigen/src/Core/products/GeneralMatrixVector.h
+++ b/Eigen/src/Core/products/GeneralMatrixVector.h
@@ -63,8 +63,11 @@ EIGEN_DONT_INLINE static void run(
   Index rows, Index cols,
   const LhsScalar* lhs, Index lhsStride,
   const RhsScalar* rhs, Index rhsIncr,
-  ResScalar* res, Index resIncr,
-  RhsScalar alpha)
+  ResScalar* res, Index
+  #ifdef EIGEN_INTERNAL_DEBUGGING
+    resIncr
+  #endif
+  , RhsScalar alpha)
 {
   ei_internal_assert(resIncr==1);
   #ifdef _EIGEN_ACCUMULATE_PACKETS