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Diffstat (limited to 'src/mongo/db/matcher/expression_tree.h')
-rw-r--r--src/mongo/db/matcher/expression_tree.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mongo/db/matcher/expression_tree.h b/src/mongo/db/matcher/expression_tree.h
index 50786402a85..1e751f0f98c 100644
--- a/src/mongo/db/matcher/expression_tree.h
+++ b/src/mongo/db/matcher/expression_tree.h
@@ -68,7 +68,7 @@ public:
virtual std::unique_ptr<MatchExpression> releaseChild(size_t i) {
auto child = std::unique_ptr<MatchExpression>(_expressions[i]);
_expressions[i] = nullptr;
- return std::move(child);
+ return child;
}
virtual std::vector<MatchExpression*>* getChildVector() {