From fb340102582bb975698c20aefad833a07243c4c6 Mon Sep 17 00:00:00 2001
From: Howard Hinnant <hhinnant@apple.com>
Date: Thu, 18 Nov 2010 01:47:02 +0000
Subject: LWG 1432

llvm-svn: 119611
---
 libcxx/include/algorithm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'libcxx/include/algorithm')

diff --git a/libcxx/include/algorithm b/libcxx/include/algorithm
index 4f490367d7a..17e20daed1c 100644
--- a/libcxx/include/algorithm
+++ b/libcxx/include/algorithm
@@ -256,7 +256,7 @@ template <class RandomAccessIterator, class RandomNumberGenerator>
 
 template<class RandomAccessIterator, class UniformRandomNumberGenerator>
     void shuffle(RandomAccessIterator first, RandomAccessIterator last,
-                 UniformRandomNumberGenerator& g);
+                 UniformRandomNumberGenerator&& g);
 
 template <class InputIterator, class Predicate>
     bool
@@ -2717,7 +2717,11 @@ random_shuffle(_RandomAccessIterator __first, _RandomAccessIterator __last,
 
 template<class _RandomAccessIterator, class _UniformRandomNumberGenerator>
     void shuffle(_RandomAccessIterator __first, _RandomAccessIterator __last,
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+                 _UniformRandomNumberGenerator&& __g)
+#else
                  _UniformRandomNumberGenerator& __g)
+#endif
 {
     typedef typename iterator_traits<_RandomAccessIterator>::difference_type difference_type;
     typedef uniform_int_distribution<ptrdiff_t> _D;
-- 
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