From d19c702291ff3bd9e769a152e7db96e17f5167f7 Mon Sep 17 00:00:00 2001
From: theraven <theraven@FreeBSD.org>
Date: Thu, 7 Feb 2013 15:45:28 +0000
Subject: Import new libc++ to head.  Various small fixes and cleanups.

MFC after:	2 weeks
---
 contrib/libc++/include/memory | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'contrib/libc++/include/memory')

diff --git a/contrib/libc++/include/memory b/contrib/libc++/include/memory
index 4c12ad9..f80d699 100644
--- a/contrib/libc++/include/memory
+++ b/contrib/libc++/include/memory
@@ -1571,7 +1571,10 @@ struct _LIBCPP_VISIBLE allocator_traits
         __construct_backward(allocator_type& __a, _Ptr __begin1, _Ptr __end1, _Ptr& __end2)
         {
             while (__end1 != __begin1)
-                construct(__a, _VSTD::__to_raw_pointer(--__end2), _VSTD::move_if_noexcept(*--__end1));
+            {
+                construct(__a, _VSTD::__to_raw_pointer(__end2-1), _VSTD::move_if_noexcept(*--__end1));
+                --__end2;
+            }
         }
 
     template <class _Tp>
-- 
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