Fixed macOS crash.

src/chainparams.h

@@ -77,6 +77,9 @@ public:
     const CCheckpointData& Checkpoints() const { return checkpointData; }
     const ChainTxData& TxData() const { return chainTxData; }
     void UpdateVersionBitsParameters(Consensus::DeploymentPos d, int64_t nStartTime, int64_t nTimeout);
+
+    virtual ~CChainParams() {}
+
 protected:
     CChainParams() {}
 

src/coins.h

@@ -214,7 +214,7 @@ public:
     bool BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock, const CKevaCache &names) override;
     CCoinsViewCursor *Cursor() const override;
     size_t EstimateSize() const override;
-    bool ValidateNameDB() const;
+    bool ValidateNameDB() const override;
 };
 
 

src/net_processing.h

@@ -42,6 +42,8 @@ private:
 public:
     explicit PeerLogicValidation(CConnman* connman, CScheduler &scheduler);
 
+    virtual ~PeerLogicValidation() {}
+
     void BlockConnected(const std::shared_ptr<const CBlock>& pblock, const CBlockIndex* pindexConnected, const std::vector<CTransactionRef>& vtxConflicted) override;
     void UpdatedBlockTip(const CBlockIndex *pindexNew, const CBlockIndex *pindexFork, bool fInitialDownload) override;
     void BlockChecked(const CBlock& block, const CValidationState& state) override;