From 852534dc99d636ef291f62670613442b2a47c6f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= <marko.makela@mariadb.com>
Date: Thu, 20 Jan 2022 08:24:03 +0200
Subject: [PATCH] MDEV-26519 fixup: GCC 11 -Og -Wmaybe-uninitialized

GCC does not understand that the variable have_ndv determines
whether the variable ndv_ll is initialized. Let us add a
redundant initialization to pacify GCC.
---
 sql/opt_histogram_json.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sql/opt_histogram_json.cc b/sql/opt_histogram_json.cc
index f2be4e5c0fb..de0b4ebab50 100644
--- a/sql/opt_histogram_json.cc
+++ b/sql/opt_histogram_json.cc
@@ -1,5 +1,5 @@
 /*
-   Copyright (c) 2021, MariaDB Corporation.
+   Copyright (c) 2021, 2022, MariaDB Corporation.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -611,7 +611,7 @@ int Histogram_json_hb::parse_bucket(json_engine_t *je, Field *field,
   bool have_ndv= false;
 
   double size_d;
-  longlong ndv_ll;
+  longlong ndv_ll= 0;
   StringBuffer<128> value_buf;
   int rc;