From 06545058bbdeec4713b9b31c5018335660796076 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Tue, 18 Feb 2014 13:33:04 +0100
Subject: [PATCH] Temporary workaround for permutations

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

diff --git a/Eigen/src/Core/PermutationMatrix.h b/Eigen/src/Core/PermutationMatrix.h
index 1297b8413..6a26af3a5 100644
--- a/Eigen/src/Core/PermutationMatrix.h
+++ b/Eigen/src/Core/PermutationMatrix.h
@@ -532,6 +532,7 @@ namespace internal {
 
 template<typename PermutationType, typename MatrixType, int Side, bool Transposed>
 struct traits<permut_matrix_product_retval<PermutationType, MatrixType, Side, Transposed> >
+  : traits<typename MatrixType::PlainObject>
 {
   typedef typename MatrixType::PlainObject ReturnType;
 };