From a60d71b840c91b9661c315c248300d4008e1c6b2 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Wed, 21 Sep 2016 18:15:23 +0200
Subject: [PATCH] bug #1300: compilation fix in Block<Sparse>

---
 Eigen/src/SparseCore/SparseBlock.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Eigen/src/SparseCore/SparseBlock.h b/Eigen/src/SparseCore/SparseBlock.h
index 86faf5a55..0692eeb1a 100644
--- a/Eigen/src/SparseCore/SparseBlock.h
+++ b/Eigen/src/SparseCore/SparseBlock.h
@@ -522,13 +522,13 @@ public:
 
 namespace internal {
   template<typename XprType, int BlockRows, int BlockCols, bool InnerPanel>
-  class GenericSparseBlockInnerIteratorImpl<XprType,BlockRows,BlockCols,InnerPanel,false> : public Block<XprType, BlockRows, BlockCols, InnerPanel>::_MatrixTypeNested::InnerIterator
+  class GenericSparseBlockInnerIteratorImpl<XprType,BlockRows,BlockCols,InnerPanel,false> : public internal::remove_all<typename XprType::Nested>::type::InnerIterator
   {
     typedef Block<XprType, BlockRows, BlockCols, InnerPanel> BlockType;
     enum {
       IsRowMajor = BlockType::IsRowMajor
     };
-    typedef typename BlockType::_MatrixTypeNested _MatrixTypeNested;
+    typedef typename internal::remove_all<typename XprType::Nested>::type _MatrixTypeNested;
     typedef typename BlockType::Index Index;
     typedef typename _MatrixTypeNested::InnerIterator Base;
     const BlockType& m_block;
@@ -560,7 +560,7 @@ namespace internal {
     enum {
       IsRowMajor = BlockType::IsRowMajor
     };
-    typedef typename BlockType::_MatrixTypeNested _MatrixTypeNested;
+    typedef typename internal::remove_all<typename XprType::Nested>::type _MatrixTypeNested;
     typedef typename BlockType::Index Index;
     typedef typename BlockType::Scalar Scalar;
     const BlockType& m_block;