From e745bcc00149fe3c35ba1123800e0beb948e3678 Mon Sep 17 00:00:00 2001
From: Peter Geoghegan <pg@bowt.ie>
Date: Sat, 13 Jun 2020 09:33:31 -0700
Subject: [PATCH] Silence _bt_check_unique compiler warning.

Reported-By: Tom Lane
Discussion: https://postgr.es/m/841649.1592065060@sss.pgh.pa.us
---
 src/backend/access/nbtree/nbtinsert.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/backend/access/nbtree/nbtinsert.c b/src/backend/access/nbtree/nbtinsert.c
index a36b35010e..55fe16bd4e 100644
--- a/src/backend/access/nbtree/nbtinsert.c
+++ b/src/backend/access/nbtree/nbtinsert.c
@@ -389,7 +389,7 @@ _bt_check_unique(Relation rel, BTInsertState insertstate, Relation heapRel,
 				 uint32 *speculativeToken)
 {
 	IndexTuple	itup = insertstate->itup;
-	IndexTuple	curitup;
+	IndexTuple	curitup = NULL;
 	ItemId		curitemid;
 	BTScanInsert itup_key = insertstate->itup_key;
 	SnapshotData SnapshotDirty;