optionally compare with partitioned rewards (#32126)

runtime/src/bank.rs

@@ -3155,6 +3155,21 @@ impl Bank {
                 metrics,
             );
 
+            // this checking of an unactivated feature can be enabled in tests or with a validator by passing `--partitioned-epoch-rewards-compare-calculation`
+            if self
+                .partitioned_epoch_rewards_config()
+                .test_compare_partitioned_epoch_rewards
+            {
+                // immutable `&self` to avoid side effects
+                (self as &Bank).compare_with_partitioned_rewards(
+                    &stake_rewards,
+                    &vote_account_rewards,
+                    rewarded_epoch,
+                    thread_pool,
+                    null_tracer(),
+                );
+            }
+
             self.store_stake_accounts(&stake_rewards, metrics);
             let vote_rewards = self.store_vote_accounts(vote_account_rewards, metrics);
             self.update_reward_history(stake_rewards, vote_rewards);