From a030a0c5ccb113ccd09d0f0b82f1edb5e49ed607 Mon Sep 17 00:00:00 2001
From: Robert Haas <rhaas@postgresql.org>
Date: Mon, 25 Oct 2021 16:30:12 -0400
Subject: [PATCH] Initialize variable to placate compiler.

Per Nathan Bossart.

Discussion: http://postgr.es/m/FECEE7FC-CB74-45A9-BB24-89FEE52A9585@amazon.com
---
 src/backend/access/transam/xlog.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index cd553d6e12..f547efd294 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -9038,7 +9038,7 @@ CreateCheckPoint(int flags)
 	XLogRecPtr	last_important_lsn;
 	VirtualTransactionId *vxids;
 	int			nvxids;
-	int			oldXLogAllowed;
+	int			oldXLogAllowed = 0;
 
 	/*
 	 * An end-of-recovery checkpoint is really a shutdown checkpoint, just