validation: Use *this in CChainState::InvalidateBlock

Author: dongcarl

src/validation.cpp

@@ -3031,7 +3031,8 @@ bool CChainState::InvalidateBlock(BlockValidationState& state, const CChainParam
         // transactions back to the mempool if disconnecting was successful,
         // and we're not doing a very deep invalidation (in which case
         // keeping the mempool up to date is probably futile anyway).
-        UpdateMempoolForReorg(::ChainstateActive(), m_mempool, disconnectpool, /* fAddToMempool = */ (++disconnected <= 10) && ret);
+        assert(std::addressof(::ChainstateActive()) == std::addressof(*this));
+        UpdateMempoolForReorg(*this, m_mempool, disconnectpool, /* fAddToMempool = */ (++disconnected <= 10) && ret);
         if (!ret) return false;
         assert(invalid_walk_tip->pprev == m_chain.Tip());