From 5f35869461c0f31e62fab74828f5ca7d7c846920 Mon Sep 17 00:00:00 2001
From: Nikolay Fedorov <unril@live.ru>
Date: Thu, 3 Dec 2015 15:21:43 +0000
Subject: [PATCH] Fixes internal compiler error while compiling with VC2015
 Update1 x64.

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

diff --git a/Eigen/src/Core/products/GeneralMatrixMatrix.h b/Eigen/src/Core/products/GeneralMatrixMatrix.h
index 88d156af6..2ac805ec8 100644
--- a/Eigen/src/Core/products/GeneralMatrixMatrix.h
+++ b/Eigen/src/Core/products/GeneralMatrixMatrix.h
@@ -140,8 +140,10 @@ static void run(Index rows, Index cols, Index depth,
       // Release all the sub blocks B'_j of B' for the current thread,
       // i.e., we simply decrement the number of users by 1
       for(Index j=0; j<threads; ++j)
+      {
         #pragma omp atomic
-        --(info[j].users);
+        info[j].users -= 1;
+      }
     }
   }
   else