+2021-06-19 Patrick Palka <ppalka@redhat.com>
+
+ * 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.
+
+2021-06-19 Patrick Palka <ppalka@redhat.com>
+
+ * include/std/ranges (split_view::_OuterIter::value_type::begin):
+ Remove the non-const overload, and remove the copyable constraint
+ on the const overload as per LWG 3553.
+
+2021-06-19 Patrick Palka <ppalka@redhat.com>
+
+ * include/bits/stl_iterator.h
+ (__detail::__common_iter_use_postfix_proxy): Add
+ move_constructible constraint as per LWG 3546.
+ (common_iterator::__postfix_proxy): Adjust initializer of
+ _M_keep as per LWG 3546.
+
2021-06-18 Patrick Palka <ppalka@redhat.com>
PR libstdc++/100387