Remove useless assertion.

robertmhaas · robertmhaas · commit ae6157164faf · 2015-05-13T11:01:10.000-04:00
Here, snapshot-&gt;xcnt is an unsigned type, so it will always be
non-negative.
diff --git a/src/backend/utils/time/snapmgr.c b/src/backend/utils/time/snapmgr.c
@@ -1480,7 +1480,6 @@ SerializeSnapshot(Snapshot snapshot, char *start_address)
 {
 	SerializedSnapshotData *serialized_snapshot;
 
-	Assert(snapshot->xcnt >= 0);
 	Assert(snapshot->subxcnt >= 0);
 
 	serialized_snapshot = (SerializedSnapshotData *) start_address;

Original file line number	Diff line number	Diff line change
`@@ -1480,7 +1480,6 @@ SerializeSnapshot(Snapshot snapshot, char *start_address)`
`1480`	`1480`	`{`
`1481`	`1481`	`SerializedSnapshotData *serialized_snapshot;`
`1482`	`1482`
`1483`		`- Assert(snapshot->xcnt >= 0);`
`1484`	`1483`	`Assert(snapshot->subxcnt >= 0);`
`1485`	`1484`
`1486`	`1485`	`serialized_snapshot = (SerializedSnapshotData *) start_address;`