From c47c0ca50c48cda89128cd28c39f25da50036838 Mon Sep 17 00:00:00 2001
From: Sergei Golubchik <serg@mariadb.org>
Date: Thu, 27 Sep 2018 21:43:21 +0200
Subject: [PATCH] mtr: uninitialized warning (if --manual-gdb or --boot-gdb)

---
 mysql-test/mysql-test-run.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl
index 09738ddd244..ff15679039b 100755
--- a/mysql-test/mysql-test-run.pl
+++ b/mysql-test/mysql-test-run.pl
@@ -5680,7 +5680,7 @@ EOF
     mtr_tofile($gdb_init_file,
       join("\n",
         "set args @$$args $input",
-        split /;/, $opt_gdb
+        split /;/, $opt_gdb || ""
         ));
   }