Add definition to avoid missing symbols at -O0

2 files changed, 2 insertions, 3 deletions

diff --git a/vespalib/src/vespa/vespalib/btree/btreeiterator.cpp b/vespalib/src/vespa/vespalib/btree/btreeiterator.cpp
index 9444cee975d..4dfc52304ac 100644
--- a/vespalib/src/vespa/vespalib/btree/btreeiterator.cpp
+++ b/vespalib/src/vespa/vespalib/btree/btreeiterator.cpp
@@ -1,8 +1,5 @@
 // Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
 
-#include "btreeiterator.h"
-#include "btreeroot.h"
-#include "btreenodeallocator.h"
 #include "btreeiterator.hpp"
 #include "btreenode.hpp"
 
@@ -10,6 +7,7 @@ namespace search::btree {
 
 template class BTreeIteratorBase<uint32_t, uint32_t, NoAggregated>;
 template class BTreeIteratorBase<uint32_t, BTreeNoLeafData, NoAggregated>;
+template class BTreeIteratorBase<datastore::EntryRef, BTreeNoLeafData, NoAggregated>;
 template class BTreeIteratorBase<uint32_t, int32_t, MinMaxAggregated>;
 template class BTreeConstIterator<uint32_t, uint32_t, NoAggregated>;
 template class BTreeConstIterator<uint32_t, BTreeNoLeafData, NoAggregated>;
diff --git a/vespalib/src/vespa/vespalib/btree/btreeiterator.h b/vespalib/src/vespa/vespalib/btree/btreeiterator.h
index 7c247cd01da..e3ad2147346 100644
--- a/vespalib/src/vespa/vespalib/btree/btreeiterator.h
+++ b/vespalib/src/vespa/vespalib/btree/btreeiterator.h
@@ -870,6 +870,7 @@ private:
 
 extern template class BTreeIteratorBase<uint32_t, uint32_t, NoAggregated>;
 extern template class BTreeIteratorBase<uint32_t, BTreeNoLeafData, NoAggregated>;
+extern template class BTreeIteratorBase<datastore::EntryRef, BTreeNoLeafData, NoAggregated>;
 extern template class BTreeIteratorBase<uint32_t, int32_t, MinMaxAggregated>;
 extern template class BTreeConstIterator<uint32_t, uint32_t, NoAggregated>;
 extern template class BTreeConstIterator<uint32_t, BTreeNoLeafData, NoAggregated>;