commit 674f9128b7520ad43d3358724baf0f89baeeda02
author Marshall Clow <mclow.lists@gmail.com> Mon Jan 15 17:53:34 2018
committer Marshall Clow <mclow.lists@gmail.com> Mon Jan 15 17:53:34 2018
tree a88aec995d8413689bc8df3df079760f9832a2d8
parent 706ffef713a394b264ca1d4e8b8fa8d1aa38095b

partition_point gets the P0202 treatment

llvm-svn: 322493

libcxx/include/algorithm

diff --git a/libcxx/include/algorithm b/libcxx/include/algorithm
index 3d8bf7a4..f357177 100644
--- a/libcxx/include/algorithm
+++ b/libcxx/include/algorithm
@@ -321,7 +321,7 @@
     stable_partition(ForwardIterator first, ForwardIterator last, Predicate pred);
 
 template<class ForwardIterator, class Predicate>
-    ForwardIterator
+    ForwardIterator  // constexpr in C++20
     partition_point(ForwardIterator first, ForwardIterator last, Predicate pred);
 
 template <class ForwardIterator>
@@ -3328,7 +3328,7 @@
 // partition_point
 
 template<class _ForwardIterator, class _Predicate>
-_ForwardIterator
+_LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator
 partition_point(_ForwardIterator __first, _ForwardIterator __last, _Predicate __pred)
 {
     typedef typename iterator_traits<_ForwardIterator>::difference_type difference_type;