Make member class a friend if the compiler has a bug here.

git-svn-id: https://svn.dealii.org/trunk@8912 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/lac/include/lac/sparse_matrix.h b/deal.II/lac/include/lac/sparse_matrix.h
index 06455ec9ce6b2a3a781c26fd82cf8aaddd2f62b0..329fbc98ed29a68829bf8474d76d59d9ed8380de 100644 (file)
--- a/deal.II/lac/include/lac/sparse_matrix.h
+++ b/deal.II/lac/include/lac/sparse_matrix.h
@@ -231,6 +231,10 @@ namespace internals
                                           */
         template <typename, bool>
         friend class internals::SparseMatrixIterators::Iterator;
+
+#ifdef DEAL_II_NESTED_CLASS_FRIEND_BUG
+        friend class Reference;
+#endif
     };