From 55250b842d6f5355513bf2e3e41347dd741f3fb2 Mon Sep 17 00:00:00 2001
From: Denis Davydov <davydden@gmail.com>
Date: Thu, 15 Dec 2016 17:20:13 +0100
Subject: [PATCH] fix compiler warning in DiagonalMatrix

---
 include/deal.II/lac/diagonal_matrix.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/deal.II/lac/diagonal_matrix.h b/include/deal.II/lac/diagonal_matrix.h
index b30baffcbb..1f5a62dc4a 100644
--- a/include/deal.II/lac/diagonal_matrix.h
+++ b/include/deal.II/lac/diagonal_matrix.h
@@ -291,6 +291,7 @@ DiagonalMatrix<VectorType>::operator()(const size_type i,
                                        const size_type j)
 {
   Assert (i==j, ExcIndexRange(j,i,i+1));
+  (void)j;
   return diagonal(i);
 }
 
-- 
2.39.5