From e9dfbad618597963b1778be46e6cd5c2ca835d71 Mon Sep 17 00:00:00 2001
From: Charles Schlosser <cs.schlosser@gmail.com>
Date: Thu, 14 Aug 2025 00:04:01 +0000
Subject: [PATCH] Fix dangling reference in VectorwiseOp::iterator

---
 Eigen/src/Core/VectorwiseOp.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Eigen/src/Core/VectorwiseOp.h b/Eigen/src/Core/VectorwiseOp.h
index 9e34d8c99..8591bda2a 100644
--- a/Eigen/src/Core/VectorwiseOp.h
+++ b/Eigen/src/Core/VectorwiseOp.h
@@ -705,7 +705,7 @@ class VectorwiseOp {
 
  protected:
   EIGEN_DEVICE_FUNC Index redux_length() const { return Direction == Vertical ? m_matrix.rows() : m_matrix.cols(); }
-  ExpressionTypeNested m_matrix;
+  ExpressionTypeNestedCleaned& m_matrix;
 };
 
 // const colwise moved to DenseBase.h due to CUDA compiler bug