From 2d655a08d532feed356222a8b1e427561dc7a883 Mon Sep 17 00:00:00 2001
From: Alvaro Herrera <alvherre@alvh.no-ip.org>
Date: Sun, 20 Mar 2022 22:10:24 +0100
Subject: [PATCH] Blind fix for uninitialized memory bug in ba9a7e392171

Valgrind animal skink shows a crash in this new code.  I couldn't
reproduce the problem locally, but going by blind code inspection,
initializing insert_destrel should be sufficient to fix the problem.
---
 src/backend/executor/nodeModifyTable.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/backend/executor/nodeModifyTable.c b/src/backend/executor/nodeModifyTable.c
index 5e4226abe2..701fe05296 100644
--- a/src/backend/executor/nodeModifyTable.c
+++ b/src/backend/executor/nodeModifyTable.c
@@ -1820,7 +1820,7 @@ lreplace:;
 	if (partition_constraint_failed)
 	{
 		TupleTableSlot *inserted_tuple;
-		ResultRelInfo *insert_destrel;
+		ResultRelInfo *insert_destrel = NULL;
 
 		/*
 		 * ExecCrossPartitionUpdate will first DELETE the row from the