From f776ffa0085aa1e6602253d94fe026a1c17ea336 Mon Sep 17 00:00:00 2001
From: joaquintides <joaquin@tid.es>
Date: Mon, 10 Oct 2022 18:02:57 +0200
Subject: [PATCH] removed temporary const ref in emplace_impl

---
 include/boost/unordered/detail/foa.hpp | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/include/boost/unordered/detail/foa.hpp b/include/boost/unordered/detail/foa.hpp
index f379e80e..64699571 100644
--- a/include/boost/unordered/detail/foa.hpp
+++ b/include/boost/unordered/detail/foa.hpp
@@ -1375,10 +1375,9 @@ private:
   template<typename... Args>
   BOOST_FORCEINLINE std::pair<iterator,bool> emplace_impl(Args&&... args)
   {
-    const auto &k=key_from(std::forward<Args>(args)...);
-    auto        hash=hash_for(k);
-    auto        pos0=position_for(hash);
-    auto        it=find_impl(k,pos0,hash);
+    auto hash=hash_for(key_from(args...));
+    auto pos0=position_for(hash);
+    auto it=find_impl(key_from(args...),pos0,hash);
 
     if(it!=end()){
       return {it,false};