From edbe2a29365e0358387db92db0ccd5260d2bc7b1 Mon Sep 17 00:00:00 2001
From: Robert Haas <rhaas@postgresql.org>
Date: Sun, 14 May 2017 20:59:28 -0400
Subject: [PATCH] Attempt to fix compiler warning.

Per a report from Tom Lane, newer versions of gcc apparently think
that partexprs_item_saved can be used uninitialized.  Try to convince
them otherwise.
---
 src/backend/catalog/partition.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/backend/catalog/partition.c b/src/backend/catalog/partition.c
index 885c533280f..832049c1ee5 100644
--- a/src/backend/catalog/partition.c
+++ b/src/backend/catalog/partition.c
@@ -1558,6 +1558,7 @@ get_qual_for_range(PartitionKey key, PartitionBoundSpec *spec)
 	 */
 	i = 0;
 	partexprs_item = list_head(key->partexprs);
+	partexprs_item_saved = partexprs_item;		/* placate compiler */
 	forboth(cell1, spec->lowerdatums, cell2, spec->upperdatums)
 	{
 		EState	   *estate;