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[libc++][docs] Retarget completion of P2944R3 to LLVM 22 (#163753)

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The completion of P2944R3 (4a509f853fa4821ecdb0f6bc3b90ddd48794cc8c)
just missed LLVM 21 release, and it seems controversial that whether
such feature completion should be backported.

I'm aware of following-up cleanup and bugfix about `<tuple>`. Perhaps it
will become more and more unwise to backport the changes. So let's
retarget P2944R3 to LLVM 22 in documentations.

Drive-by: Also fixes the formatting of the entry of P3379R0.
This commit is contained in:
A. Jiang 2025-10-19 15:35:47 +08:00 committed by GitHub
parent 3a15687d1c
commit cecde43009
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3
libcxx/docs/ReleaseNotes/21.rst
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@ -53,8 +53,7 @@ Implemented Papers
- P2711R1: Making multi-param constructors of ``views`` ``explicit`` (`Github <https://github.com/llvm/llvm-project/issues/105252>`__)
- P2770R0: Stashing stashing ``iterators`` for proper flattening (`Github <https://github.com/llvm/llvm-project/issues/105250>`__)
- P2655R3: ``common_reference_t`` of ``reference_wrapper`` Should Be a Reference Type (`Github <https://github.com/llvm/llvm-project/issues/105260>`__)
- P2944R3: Comparisons for ``reference_wrapper`` (`Github <https://github.com/llvm/llvm-project/issues/105424>`__)
- P3379R0: Constrain ``std::expected equality`` operators (`Github <https://github.com/llvm/llvm-project/issues/118135>`__)
- P3379R0: Constrain ``std::expected`` equality operators (`Github <https://github.com/llvm/llvm-project/issues/118135>`__)
Improvements and New Features
-----------------------------

1
libcxx/docs/ReleaseNotes/22.rst
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@ -44,6 +44,7 @@ Implemented Papers
- P3223R2: Making ``std::istream::ignore`` less surprising (`Github <https://llvm.org/PR148178>`__)
- P3060R3: Add ``std::views::indices(n)`` (`Github <https://llvm.org/PR148175>`__)
- P2835R7: Expose ``std::atomic_ref``'s object address (`Github <https://llvm.org/PR118377>`__)
- P2944R3: Comparisons for ``reference_wrapper`` (`Github <https://llvm.org/PR105424>`__)
- P3168R2: Give ``std::optional`` Range Support (`Github <https://llvm.org/PR105430>`__)
Improvements and New Features

2
libcxx/docs/Status/Cxx2cIssues.csv
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@ -149,5 +149,5 @@
"`LWG3343 <https://wg21.link/LWG3343>`__","Ordering of calls to ``unlock()`` and ``notify_all()`` in Effects element of ``notify_all_at_thread_exit()`` should be reversed","Not Adopted Yet","|Complete|","16","`#105356 <https://github.com/llvm/llvm-project/issues/105356>`__",""
"`LWG4139 <https://wg21.link/LWG4139>`__","§[time.zone.leap] recursive constraint in ``<=>``","Not Adopted Yet","|Complete|","20","`#118369 <https://github.com/llvm/llvm-project/issues/118369>`__",""
"`LWG3456 <https://wg21.link/LWG3456>`__","Pattern used by ``std::from_chars`` is underspecified (option B)","Not Adopted Yet","|Complete|","20","`#118370 <https://github.com/llvm/llvm-project/issues/118370>`__",""
"`LWG3882 <https://wg21.link/LWG3882>`__","``tuple`` relational operators have confused friendships","Not Adopted Yet","|Complete|","21","The comparsion operators are constrained harder than the proposed resolution. libstdc++ and MSVC STL do the same.",""
"`LWG3882 <https://wg21.link/LWG3882>`__","``tuple`` relational operators have confused friendships","Not Adopted Yet","|Complete|","22","The comparsion operators are constrained harder than the proposed resolution. libstdc++ and MSVC STL do the same.",""
"","","","","",""

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2
libcxx/docs/Status/Cxx2cPapers.csv
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@ -59,7 +59,7 @@
"`P2248R8 <https://wg21.link/P2248R8>`__","Enabling list-initialization for algorithms","2024-03 (Tokyo)","","","`#105421 <https://github.com/llvm/llvm-project/issues/105421>`__",""
"`P2810R4 <https://wg21.link/P2810R4>`__","``is_debugger_present`` ``is_replaceable``","2024-03 (Tokyo)","","","`#105422 <https://github.com/llvm/llvm-project/issues/105422>`__",""
"`P1068R11 <https://wg21.link/P1068R11>`__","Vector API for random number generation","2024-03 (Tokyo)","","","`#105423 <https://github.com/llvm/llvm-project/issues/105423>`__",""
"`P2944R3 <https://wg21.link/P2944R3>`__","Comparisons for ``reference_wrapper``","2024-03 (Tokyo)","|Complete|","21","`#105424 <https://github.com/llvm/llvm-project/issues/105424>`__","The changes to ``tuple``'s equality overload from P2165R4 are not yet implemented."
"`P2944R3 <https://wg21.link/P2944R3>`__","Comparisons for ``reference_wrapper``","2024-03 (Tokyo)","|Complete|","22","`#105424 <https://github.com/llvm/llvm-project/issues/105424>`__","The changes to ``tuple``'s equality overload from P2165R4 are not yet implemented."
"`P2642R6 <https://wg21.link/P2642R6>`__","Padded ``mdspan`` layouts","2024-03 (Tokyo)","","","`#105425 <https://github.com/llvm/llvm-project/issues/105425>`__",""
"`P3029R1 <https://wg21.link/P3029R1>`__","Better ``mdspan``'s CTAD","2024-03 (Tokyo)","|Complete|","19","`#105426 <https://github.com/llvm/llvm-project/issues/105426>`__",""
"","","","","",""

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