Hmm, this was needed to avoid getting unresolved symbol in prod_feature_test on ~VectorBase<string....>.

But only in test.... That is very odd.

2 files changed, 3 insertions, 0 deletions

diff --git a/searchlib/src/vespa/searchlib/features/dotproductfeature.cpp b/searchlib/src/vespa/searchlib/features/dotproductfeature.cpp
index 394ea6d6dca..7c1a5f2153c 100644
--- a/searchlib/src/vespa/searchlib/features/dotproductfeature.cpp
+++ b/searchlib/src/vespa/searchlib/features/dotproductfeature.cpp
@@ -54,6 +54,8 @@ DotProductExecutor<Vector, Buffer>::execute(uint32_t docId)
     outputs().set_number(0, val);
 }
 
+StringVector::~StringVector() { }
+
 }
 
 namespace array {
diff --git a/searchlib/src/vespa/searchlib/features/dotproductfeature.h b/searchlib/src/vespa/searchlib/features/dotproductfeature.h
index 1801030acba..d374c028c82 100644
--- a/searchlib/src/vespa/searchlib/features/dotproductfeature.h
+++ b/searchlib/src/vespa/searchlib/features/dotproductfeature.h
@@ -72,6 +72,7 @@ public:
  **/
 class StringVector : public VectorBase<vespalib::string, const char *, feature_t, ConstCharComparator> {
 public:
+    ~StringVector();
     void insert(const vespalib::stringref & label, const vespalib::stringref & value) {
         _vector.push_back(std::make_pair(label, util::strToNum<feature_t>(value)));
     }