From 466d6d41c6dfda5a2814d0ee6d02439ccda4c8d0 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Mon, 15 Sep 2014 17:40:17 +0200
Subject: [PATCH] Avoid a potential risk of recursive definition using traits
 to get he scalar type

---
 Eigen/src/Core/CoreEvaluators.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Eigen/src/Core/CoreEvaluators.h b/Eigen/src/Core/CoreEvaluators.h
index b8dc05d98..09a83a382 100644
--- a/Eigen/src/Core/CoreEvaluators.h
+++ b/Eigen/src/Core/CoreEvaluators.h
@@ -49,8 +49,8 @@ template<> struct storage_kind_to_shape<Dense> { typedef DenseShape Shape; };
 template< typename T,
           typename LhsKind   = typename evaluator_traits<typename T::Lhs>::Kind,
           typename RhsKind   = typename evaluator_traits<typename T::Rhs>::Kind,
-          typename LhsScalar = typename T::Lhs::Scalar,
-          typename RhsScalar = typename T::Rhs::Scalar> struct binary_evaluator;
+          typename LhsScalar = typename traits<typename T::Lhs>::Scalar,
+          typename RhsScalar = typename traits<typename T::Rhs>::Scalar> struct binary_evaluator;
 
 template< typename T,
           typename Kind   = typename evaluator_traits<typename T::NestedExpression>::Kind,