From 8e6dc2c81d478ae1c1699ec69eb02cc42a84ffbf Mon Sep 17 00:00:00 2001
From: Eugene Zhulenev <ezhulenev@google.com>
Date: Wed, 10 Oct 2018 13:23:52 -0700
Subject: Fix bug in partial reduction of expressions requiring evaluation

---
 Eigen/src/Core/PartialReduxEvaluator.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

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

diff --git a/Eigen/src/Core/PartialReduxEvaluator.h b/Eigen/src/Core/PartialReduxEvaluator.h
index 0bf8a50e0..d9c0f1224 100644
--- a/Eigen/src/Core/PartialReduxEvaluator.h
+++ b/Eigen/src/Core/PartialReduxEvaluator.h
@@ -134,7 +134,6 @@ struct evaluator<PartialReduxExpr<ArgType, MemberOp, Direction> >
 {
   typedef PartialReduxExpr<ArgType, MemberOp, Direction> XprType;
   typedef typename internal::nested_eval<ArgType,1>::type ArgTypeNested;
-  typedef typename internal::remove_all<ArgTypeNested>::type ArgTypeNestedCleaned;
   typedef typename ArgType::Scalar InputScalar;
   typedef typename XprType::Scalar Scalar;
   enum {
@@ -194,7 +193,7 @@ struct evaluator<PartialReduxExpr<ArgType, MemberOp, Direction> >
   PacketType packet(Index idx) const
   {
     enum { PacketSize = internal::unpacket_traits<PacketType>::size };
-    typedef Block<const ArgType,
+    typedef Block<typename internal::add_const_on_value_type<ArgTypeNested>::type,
                   Direction==Vertical ? int(ArgType::RowsAtCompileTime) : int(PacketSize),
                   Direction==Vertical ? int(PacketSize) : int(ArgType::ColsAtCompileTime),
                   true /* InnerPanel */> PanelType;
-- 
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