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Diffstat (limited to 'libcxx/include/__algorithm/sift_down.h')
-rw-r--r--libcxx/include/__algorithm/sift_down.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/libcxx/include/__algorithm/sift_down.h b/libcxx/include/__algorithm/sift_down.h
index be2eb29dd53a..06811239f84f 100644
--- a/libcxx/include/__algorithm/sift_down.h
+++ b/libcxx/include/__algorithm/sift_down.h
@@ -23,7 +23,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD
template <class _AlgPolicy, class _Compare, class _RandomAccessIterator>
_LIBCPP_CONSTEXPR_AFTER_CXX11 void
-__sift_down(_RandomAccessIterator __first, _Compare __comp,
+__sift_down(_RandomAccessIterator __first, _Compare&& __comp,
typename iterator_traits<_RandomAccessIterator>::difference_type __len,
_RandomAccessIterator __start)
{
@@ -79,7 +79,7 @@ __sift_down(_RandomAccessIterator __first, _Compare __comp,
template <class _AlgPolicy, class _Compare, class _RandomAccessIterator>
_LIBCPP_CONSTEXPR_AFTER_CXX11 _RandomAccessIterator
-__floyd_sift_down(_RandomAccessIterator __first, _Compare __comp,
+__floyd_sift_down(_RandomAccessIterator __first, _Compare&& __comp,
typename iterator_traits<_RandomAccessIterator>::difference_type __len)
{
using difference_type = typename iterator_traits<_RandomAccessIterator>::difference_type;