From a356c67c384aec81c9326334c6d3798fb6e13daf Mon Sep 17 00:00:00 2001
From: Daniel James <daniel@calamity.org.uk>
Date: Tue, 18 Dec 2007 23:50:29 +0000
Subject: [PATCH] Pull another node_constructor out of a loop.

[SVN r42159]
---
 include/boost/unordered/detail/hash_table_impl.hpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/include/boost/unordered/detail/hash_table_impl.hpp b/include/boost/unordered/detail/hash_table_impl.hpp
index 6c355244..26152520 100644
--- a/include/boost/unordered/detail/hash_table_impl.hpp
+++ b/include/boost/unordered/detail/hash_table_impl.hpp
@@ -1718,8 +1718,8 @@ namespace boost {
             template <typename InputIterator>
             void insert(InputIterator i, InputIterator j)
             {
-                // If only inserting 1 element, get the required
-                // safety since insert is only called once.
+                node_constructor a(this->allocators_);
+
                 for (; i != j; ++i) {
                     // No side effects in this initial code
                     size_type hash_value = hash_function()(extract_key(*i));
@@ -1733,7 +1733,6 @@ namespace boost {
 
                         // Create the node before rehashing in case it throws an
                         // exception (need strong safety in such a case).
-                        node_constructor a(this->allocators_);
                         value_type const& v = *i;
                         a.construct(v);