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Yet more elimination of dead stores and useless initializations.

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I'm not sure what tool Ranier was using, but the ones I contributed
were found by using a newer version of scan-build than I tried before.

Ranier Vilela and Tom Lane

Discussion: https://postgr.es/m/CAEudQAo1+AcGppxDSg8k+zF4+Kv+eJyqzEDdbpDg58-=MQcerQ@mail.gmail.com
This commit is contained in:
Tom Lane
2020-09-05 13:17:32 -04:00
parent 8febfd1855
commit a5cc4dab6d
10 changed files with 22 additions and 28 deletions
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3
src/backend/commands/async.c
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@ -1918,7 +1918,6 @@ static void
asyncQueueReadAllNotifications(void)
{
volatile QueuePosition pos;
QueuePosition oldpos;
QueuePosition head;
Snapshot snapshot;
@ -1933,7 +1932,7 @@ asyncQueueReadAllNotifications(void)
LWLockAcquire(NotifyQueueLock, LW_SHARED);
/* Assert checks that we have a valid state entry */
Assert(MyProcPid == QUEUE_BACKEND_PID(MyBackendId));
pos = oldpos = QUEUE_BACKEND_POS(MyBackendId);
pos = QUEUE_BACKEND_POS(MyBackendId);
head = QUEUE_HEAD;
LWLockRelease(NotifyQueueLock);