[PATCH] libstdc++: Implement LWG 3555 changes to transform/elements_view

[Patrick Palka via Gcc-patches]

libstdc++-v3/ChangeLog:

        * include/std/ranges (transform_view::_Iterator::_S_iter_concept):
        Consider _Base instead of _Vp as per LWG 3555.
        (elements_view::_Iterator::_S_iter_concept): Likewise.
---
 libstdc++-v3/include/std/ranges | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/libstdc++-v3/include/std/ranges b/libstdc++-v3/include/std/ranges
index f93a880ff8a..bf85b1629f0 100644
--- a/libstdc++-v3/include/std/ranges
+++ b/libstdc++-v3/include/std/ranges
@@ -1613,11 +1613,11 @@ namespace views::__adaptor
          static auto
          _S_iter_concept()
          {
-           if constexpr (random_access_range<_Vp>)
+           if constexpr (random_access_range<_Base>)
              return random_access_iterator_tag{};
-           else if constexpr (bidirectional_range<_Vp>)
+           else if constexpr (bidirectional_range<_Base>)
              return bidirectional_iterator_tag{};
-           else if constexpr (forward_range<_Vp>)
+           else if constexpr (forward_range<_Base>)
              return forward_iterator_tag{};
            else
              return input_iterator_tag{};
@@ -3659,11 +3659,11 @@ namespace views::__adaptor
          static auto
          _S_iter_concept()
          {
-           if constexpr (random_access_range<_Vp>)
+           if constexpr (random_access_range<_Base>)
              return random_access_iterator_tag{};
-           else if constexpr (bidirectional_range<_Vp>)
+           else if constexpr (bidirectional_range<_Base>)
              return bidirectional_iterator_tag{};
-           else if constexpr (forward_range<_Vp>)
+           else if constexpr (forward_range<_Base>)
              return forward_iterator_tag{};
            else
              return input_iterator_tag{};
-- 
2.32.0.93.g670b81a890