Assert that attribute can be down-casted to tensor attribute.

1 files changed, 1 insertions, 0 deletions

diff --git a/searchsummary/src/vespa/searchsummary/docsummary/attributedfw.cpp b/searchsummary/src/vespa/searchsummary/docsummary/attributedfw.cpp
index 5e8e4ee0584..2feca5fc0c7 100644
--- a/searchsummary/src/vespa/searchsummary/docsummary/attributedfw.cpp
+++ b/searchsummary/src/vespa/searchsummary/docsummary/attributedfw.cpp
@@ -137,6 +137,7 @@ SingleAttrDFW::insertField(uint32_t docid,
         switch (t) {
         case BasicType::TENSOR: {
             const tensor::ITensorAttribute *tv = v.asTensorAttribute();
+            assert(tv != nullptr);
             const auto tensor = tv->getTensor(docid);
             if (tensor) {
                 vespalib::nbostream str;