+2022-08-03 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2021-08-31 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/98421
+ * include/std/span (span(Iter, size_type), span(Iter, Iter)):
+ Add valid range checks.
+ * testsuite/23_containers/span/cons_1_assert_neg.cc: New test.
+ * testsuite/23_containers/span/cons_2_assert_neg.cc: New test.
+
+2022-08-03 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/list.tcc (list::merge) [!USE_CXX11_ABI]: Remove
+ call to size() and try-catch block.
+
+2022-08-03 Tim Adye <Tim.Adye@cern.ch>
+
+ Backported from master:
+ 2021-06-04 Tim Adye <Tim.Adye@cern.ch>
+
+ * include/std/any (any::_Manager::_S_access): New static
+ function to access the contained value.
+ (any::emplace, __any_caster): Use _S_access member of the
+ manager type.
+
+2022-08-03 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2021-06-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/ranges (subrange(i, s, n)): Remove assertion.
+ * testsuite/std/ranges/subrange/constexpr.cc: New test.
+
+2022-08-03 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2021-11-10 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/100748
+ PR libstdc++/103133
+ * config/os/gnu-linux/os_defines.h (_GLIBCXX_GTHREAD_USE_WEAK):
+ Define for glibc 2.34 and later.
+
2022-07-23 Jonathan Wakely <jwakely@redhat.com>
Backported from master: