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-rw-r--r--searchlib/src/vespa/searchlib/memoryindex/document_inverter_context.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/searchlib/src/vespa/searchlib/memoryindex/document_inverter_context.cpp b/searchlib/src/vespa/searchlib/memoryindex/document_inverter_context.cpp
index 48f5a053856..20fd333442b 100644
--- a/searchlib/src/vespa/searchlib/memoryindex/document_inverter_context.cpp
+++ b/searchlib/src/vespa/searchlib/memoryindex/document_inverter_context.cpp
@@ -2,6 +2,7 @@
#include "document_inverter_context.h"
#include <cassert>
+#include <optional>
namespace search::memoryindex {