From 3eba27418a7102a82777b74bd199943b67a93a6e Mon Sep 17 00:00:00 2001
From: Otto Moerbeek <otto.moerbeek@open-xchange.com>
Date: Tue, 19 Nov 2019 10:03:17 +0100
Subject: [PATCH] Avoid looking up an entry twice by using a ref.

---
 pdns/syncres.hh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pdns/syncres.hh b/pdns/syncres.hh
index 1270452109..0336870c0e 100644
--- a/pdns/syncres.hh
+++ b/pdns/syncres.hh
@@ -239,8 +239,9 @@ public:
     typename cont_t::iterator i = d_cont.find(t);
 
     if (i == d_cont.end()) {
-      d_cont[t].value = 1;
-      d_cont[t].last = now.tv_sec;
+      auto &r = d_cont[t];
+      r.value = 1;
+      r.last = now.tv_sec;
       return 1;
     }
     else {
-- 
2.47.2