1 files changed, 32 insertions, 32 deletions

diff --git a/contrib/llvm-project/libcxx/include/__algorithm/upper_bound.h b/contrib/llvm-project/libcxx/include/__algorithm/upper_bound.h
index 3fc254873532..1045380bc84e 100644
--- a/contrib/llvm-project/libcxx/include/__algorithm/upper_bound.h
+++ b/contrib/llvm-project/libcxx/include/__algorithm/upper_bound.h
@@ -11,10 +11,15 @@
 
 #include <__algorithm/comp.h>
 #include <__algorithm/half_positive.h>
+#include <__algorithm/iterator_operations.h>
 #include <__config>
+#include <__functional/identity.h>
+#include <__functional/invoke.h>
 #include <__iterator/advance.h>
 #include <__iterator/distance.h>
 #include <__iterator/iterator_traits.h>
+#include <__type_traits/is_copy_constructible.h>
+#include <__utility/move.h>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #  pragma GCC system_header
@@ -22,45 +27,40 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-template <class _Compare, class _ForwardIterator, class _Tp>
-_LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator
-__upper_bound(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value, _Compare __comp)
-{
-    typedef typename iterator_traits<_ForwardIterator>::difference_type difference_type;
-    difference_type __len = _VSTD::distance(__first, __last);
-    while (__len != 0)
-    {
-        difference_type __l2 = _VSTD::__half_positive(__len);
-        _ForwardIterator __m = __first;
-        _VSTD::advance(__m, __l2);
-        if (__comp(__value, *__m))
-            __len = __l2;
-        else
-        {
-            __first = ++__m;
-            __len -= __l2 + 1;
-        }
+template <class _AlgPolicy, class _Compare, class _Iter, class _Sent, class _Tp, class _Proj>
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 _Iter
+__upper_bound(_Iter __first, _Sent __last, const _Tp& __value, _Compare&& __comp, _Proj&& __proj) {
+  auto __len = _IterOps<_AlgPolicy>::distance(__first, __last);
+  while (__len != 0) {
+    auto __half_len = std::__half_positive(__len);
+    auto __mid      = _IterOps<_AlgPolicy>::next(__first, __half_len);
+    if (std::__invoke(__comp, __value, std::__invoke(__proj, *__mid)))
+      __len = __half_len;
+    else {
+      __first = ++__mid;
+      __len -= __half_len + 1;
     }
-    return __first;
+  }
+  return __first;
 }
 
 template <class _ForwardIterator, class _Tp, class _Compare>
-_LIBCPP_NODISCARD_EXT inline
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_ForwardIterator
-upper_bound(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value, _Compare __comp)
-{
-    return _VSTD::__upper_bound<_Compare&>(__first, __last, __value, __comp);
+_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator
+upper_bound(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value, _Compare __comp) {
+  static_assert(is_copy_constructible<_ForwardIterator>::value,
+                "Iterator has to be copy constructible");
+  return std::__upper_bound<_ClassicAlgPolicy>(
+      std::move(__first), std::move(__last), __value, std::move(__comp), std::__identity());
 }
 
 template <class _ForwardIterator, class _Tp>
-_LIBCPP_NODISCARD_EXT inline
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_ForwardIterator
-upper_bound(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value)
-{
-    return _VSTD::upper_bound(__first, __last, __value,
-                             __less<_Tp, typename iterator_traits<_ForwardIterator>::value_type>());
+_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator
+upper_bound(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value) {
+  return std::upper_bound(
+      std::move(__first),
+      std::move(__last),
+      __value,
+      __less<_Tp, typename iterator_traits<_ForwardIterator>::value_type>());
 }
 
 _LIBCPP_END_NAMESPACE_STD