From fa8fd4b4d57323384644394c651ca106d299695f Mon Sep 17 00:00:00 2001
From: Christopher Moore <crmoore@gmail.com>
Date: Thu, 14 May 2020 22:11:19 +0000
Subject: Indexed view should have RowMajorBit when there is staticly a single
 row

---
 Eigen/src/Core/IndexedView.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'Eigen/src/Core/IndexedView.h')

diff --git a/Eigen/src/Core/IndexedView.h b/Eigen/src/Core/IndexedView.h
index 5c2c72496..08476251d 100644
--- a/Eigen/src/Core/IndexedView.h
+++ b/Eigen/src/Core/IndexedView.h
@@ -171,7 +171,9 @@ struct unary_evaluator<IndexedView<ArgType, RowIndices, ColIndices>, IndexBased>
 
     FlagsLinearAccessBit = (traits<XprType>::RowsAtCompileTime == 1 || traits<XprType>::ColsAtCompileTime == 1) ? LinearAccessBit : 0,
 
-    Flags = (evaluator<ArgType>::Flags & (HereditaryBits /*| LinearAccessBit | DirectAccessBit*/)) | FlagsLinearAccessBit,
+    FlagsRowMajorBit = traits<XprType>::FlagsRowMajorBit, 
+
+    Flags = (evaluator<ArgType>::Flags & (HereditaryBits & ~RowMajorBit /*| LinearAccessBit | DirectAccessBit*/)) | FlagsLinearAccessBit | FlagsRowMajorBit,
 
     Alignment = 0
   };
-- 
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