From 302612a6c74fb16f26d094ff47e9c59cf412740c Mon Sep 17 00:00:00 2001
From: Tom Lane
Date: Sun, 13 Feb 2022 13:06:55 -0500
Subject: Silence minor compiler warnings.

Depending on compiler version and optimization level, we might
get a complaint that lazy_scan_heap's "freespace" is used
uninitialized.

Compilers not aware that ereport(ERROR) doesn't return complained
about bbsink_lz4_new().

Assigning "-1" to a uint64 value has unportable results; fortunately,
the value of xlogreadsegno is unimportant when xlogreadfd is -1.
(It looks to me like there is no need for xlogreadsegno to be static
in the first place, but I didn't venture to change that.)
---
 src/backend/access/heap/vacuumlazy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/backend/access')

diff --git a/src/backend/access/heap/vacuumlazy.c b/src/backend/access/heap/vacuumlazy.c
index d57055674ed..9c88b9bd71a 100644
--- a/src/backend/access/heap/vacuumlazy.c
+++ b/src/backend/access/heap/vacuumlazy.c
@@ -1112,7 +1112,7 @@ lazy_scan_heap(LVRelState *vacrel, int nworkers)
 			if (lazy_scan_noprune(vacrel, buf, blkno, page, &hastup,
 								  &recordfreespace))
 			{
-				Size		freespace;
+				Size		freespace = 0;
 
 				/*
 				 * Processed page successfully (without cleanup lock) -- just
-- 
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