+2022-09-16 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/106953
+ * include/backward/auto_ptr.h [!_GLIBCXX_HOSTED]: Do not define
+ shared_ptr members.
+ * include/bits/alloc_traits.h [!_GLIBCXX_HOSTED]: Do not declare
+ std::allocator_traits<std::allocator<T>> specializations for
+ freestanding.
+ * include/bits/memoryfwd.h [!_GLIBCXX_HOSTED] (allocator): Do
+ not declare for freestanding.
+ * include/bits/stl_algo.h [!_GLIBCXX_HOSTED] (stable_partition):
+ Do not define for freestanding.
+ [!_GLIBCXX_HOSTED] (merge, stable_sort): Do not use temporary
+ buffers for freestanding.
+ * include/bits/stl_algobase.h [!_GLIBCXX_HOSTED]: Do not declare
+ streambuf iterators and overloaded algorithms using them.
+ * include/bits/stl_uninitialized.h [!_GLIBCXX_HOSTED]: Do not
+ define specialized overloads for std::allocator.
+ * include/bits/unique_ptr.h [!_GLIBCXX_HOSTED] (make_unique)
+ (make_unique_for_overwrite, operator<<): Do not define for
+ freestanding.
+ * include/c_global/cstdlib [!_GLIBCXX_HOSTED] (_Exit): Declare.
+ Use _GLIBCXX_NOTHROW instead of throw().
+ * include/debug/assertions.h [!_GLIBCXX_HOSTED]: Ignore
+ _GLIBCXX_DEBUG for freestanding.
+ * include/debug/debug.h [!_GLIBCXX_DEBUG]: Likewise.
+ * include/std/bit [!_GLIBCXX_HOSTED]: Do not use the custom
+ __int_traits if <ext/numeric_traits.h> is available.
+ * include/std/functional [!_GLIBCXX_HOSTED]: Do not include
+ headers that aren't valid for freestanding.
+ (boyer_moore_searcher, boyer_moore_horspool_searcher): Do not
+ define for freestanding.
+ * include/std/iterator [!_GLIBCXX_HOSTED]: Do not include
+ headers that aren't valid for freestanding.
+ * include/std/memory [!_GLIBCXX_HOSTED]: Likewise.
+ * include/std/ranges [!_GLIBCXX_HOSTED] (istream_view): Do not
+ define for freestanding.
+ (views::__detail::__is_basic_string_view) [!_GLIBCXX_HOSTED]:
+ Do not define partial specialization for freestanding.
+
+2022-09-16 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/alloc_traits.h (__alloc_swap)
+ (__shrink_to_fit_aux): Move here, from ...
+ * include/bits/allocator.h: ... here.
+ * include/ext/alloc_traits.h: Do not include allocator.h.
+
+2022-09-16 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/stl_algo.h: Include <bits/stl_algobase.h>.
+ * include/bits/stl_tempbuf.h: Include headers for __try and
+ __catch macros, std::pair, and __gnu_cxx::__numeric_traits.
+ * include/bits/stream_iterator.h: Include <iosfwd> and headers
+ for std::addressof and std::iterator.
+ * include/bits/streambuf_iterator.h: Include header for
+ std::iterator.
+ * include/std/iterator: Do not include <iosfwd>.
+
+2022-09-16 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/29_atomics/atomic_ref/compare_exchange_padding.cc:
+ Store value with non-zero padding bits after construction.
+
+2022-09-16 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/tr1/random.h (__detail::_Adaptor::_BEngine): Remove.
+ (__detail::_Adaptor::_M_g): Make public.
+ (__detail::_Adaptor<_Engine*, _Dist>): Remove partial
+ specialization.
+ (variate_generate::_Value): New helper to simplify handling of
+ _Engine* and _Engine& template arguments.
+ (variate_generate::engine_value_type): Define to underlying
+ engine type, not adapted type.
+ (variate_generate::engine()): Return underlying engine instead
+ of adaptor.
+ * testsuite/tr1/5_numerical_facilities/random/variate_generator/37986.cc:
+ Fix comment.
+ * testsuite/tr1/5_numerical_facilities/random/variate_generator/requirements/typedefs.cc:
+ Check member typedefs have the correct types.
+
+2022-09-16 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/debug/formatter.h [_GLIBCXX_DEBUG_BACKTRACE]
+ (_Error_formatter): Use 0 as null pointer constant.
+
+2022-09-16 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/allocator.h (__alloc_neq): Remove.
+ * include/bits/stl_list.h (list::_M_check_equal_allocators):
+ Compare allocators directly, without __alloc_neq.
+
+2022-09-16 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/doxygen/user.cfg.in (PREDEFINED): Remove __allocator_base.
+ * include/bits/allocator.h: Fix nesting of Doxygen commands.
+
+2022-09-16 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/xml/manual/abi.xml: Document GLIBCXX_3.4.30 and
+ GLIBCXX_3.4.31 versions.
+ * doc/html/manual/abi.html: Regenerate.
+
2022-09-15 Jonathan Wakely <jwakely@redhat.com>
* include/std/memory: Do not include <bits/stl_algobase.h>.