Remove some dead stores.

Remove redundant local variable assignments left behind by commit
2fc7af5e966.

Author: Quan Zongliang 
Reviewed-by: Jacob Champion 
Discussion: https://postgr.es/m/de141d14-4fd6-3148-99bf-856b71aa948a%40yeah.net

diff --git a/src/backend/storage/ipc/procarray.c b/src/backend/storage/ipc/procarray.c
index 793df973b4248cbb5a818602cd6793a57d0e6fde..4c91e721d0c576e56158fd58db63854299a4aa8c 100644 (file)
--- a/src/backend/storage/ipc/procarray.c
+++ b/src/backend/storage/ipc/procarray.c
@@ -4380,8 +4380,6 @@ RecordKnownAssignedTransactionIds(TransactionId xid)
 
        /* ShmemVariableCache->nextXid must be beyond any observed xid */
        AdvanceNextFullTransactionIdPastXid(latestObservedXid);
-       next_expected_xid = latestObservedXid;
-       TransactionIdAdvance(next_expected_xid);
    }
 }