From 0e85a677e36956f13a3d85047d088d773b39b69b Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Tue, 26 Sep 2017 10:53:33 +0200
Subject: [PATCH] bug #1472: fix warning

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

diff --git a/Eigen/src/Core/Map.h b/Eigen/src/Core/Map.h
index 7ca6a9280..c437f1a92 100644
--- a/Eigen/src/Core/Map.h
+++ b/Eigen/src/Core/Map.h
@@ -114,7 +114,7 @@ template<typename PlainObjectType, int MapOptions, typename StrideType> class Ma
     inline Index outerStride() const
     {
       return StrideType::OuterStrideAtCompileTime != 0 ? m_stride.outer()
-           : internal::traits<Map>::OuterStrideAtCompileTime != Dynamic ? internal::traits<Map>::OuterStrideAtCompileTime
+           : internal::traits<Map>::OuterStrideAtCompileTime != Dynamic ? Index(internal::traits<Map>::OuterStrideAtCompileTime)
            : IsVectorAtCompileTime ? (this->size() * innerStride())
            : int(Flags)&RowMajorBit ? (this->cols() * innerStride())
            : (this->rows() * innerStride());