Delete implicitly deleted move-assignment operator.
@@ -27,7 +27,7 @@ public:
MessageTracker(const ClusterContext &cluster_context);
MessageTracker(MessageTracker &&) = default;
- MessageTracker & operator = (MessageTracker &&) = default;
+ MessageTracker & operator = (MessageTracker &&) = delete;
MessageTracker(const MessageTracker &) = delete;
MessageTracker & operator = (const MessageTracker &) = delete;
~MessageTracker();
