[libc++] Add papers from February 2022 plenary meeting

Reviewed By: ldionne, Quuxplusone, #libc

Spies: arichardson, libcxx-commits

Differential Revision: https://reviews.llvm.org/D119189

NOKEYCHECK=True
GitOrigin-RevId: a5b4479d3c93bf0dca290db5ee40f35446758f65
diff --git a/docs/FeatureTestMacroTable.rst b/docs/FeatureTestMacroTable.rst
index 3cfcaa6..0991609 100644
--- a/docs/FeatureTestMacroTable.rst
+++ b/docs/FeatureTestMacroTable.rst
@@ -302,8 +302,12 @@
     ------------------------------------------------- -----------------
     ``__cpp_lib_associative_heterogeneous_erasure``   *unimplemented*
     ------------------------------------------------- -----------------
+    ``__cpp_lib_bind_back``                           *unimplemented*
+    ------------------------------------------------- -----------------
     ``__cpp_lib_byteswap``                            ``202110L``
     ------------------------------------------------- -----------------
+    ``__cpp_lib_constexpr_cmath``                     *unimplemented*
+    ------------------------------------------------- -----------------
     ``__cpp_lib_constexpr_typeinfo``                  *unimplemented*
     ------------------------------------------------- -----------------
     ``__cpp_lib_invoke_r``                            *unimplemented*
@@ -316,10 +320,24 @@
     ------------------------------------------------- -----------------
     ``__cpp_lib_out_ptr``                             *unimplemented*
     ------------------------------------------------- -----------------
+    ``__cpp_lib_ranges_chunk``                        *unimplemented*
+    ------------------------------------------------- -----------------
+    ``__cpp_lib_ranges_chunk_by``                     *unimplemented*
+    ------------------------------------------------- -----------------
+    ``__cpp_lib_ranges_iota``                         *unimplemented*
+    ------------------------------------------------- -----------------
+    ``__cpp_lib_ranges_join_with``                    *unimplemented*
+    ------------------------------------------------- -----------------
+    ``__cpp_lib_ranges_slide``                        *unimplemented*
+    ------------------------------------------------- -----------------
     ``__cpp_lib_ranges_starts_ends_with``             *unimplemented*
     ------------------------------------------------- -----------------
+    ``__cpp_lib_ranges_to_container``                 *unimplemented*
+    ------------------------------------------------- -----------------
     ``__cpp_lib_ranges_zip``                          *unimplemented*
     ------------------------------------------------- -----------------
+    ``__cpp_lib_reference_from_temporary``            *unimplemented*
+    ------------------------------------------------- -----------------
     ``__cpp_lib_spanstream``                          *unimplemented*
     ------------------------------------------------- -----------------
     ``__cpp_lib_stacktrace``                          *unimplemented*
@@ -331,5 +349,7 @@
     ``__cpp_lib_string_resize_and_overwrite``         ``202110L``
     ------------------------------------------------- -----------------
     ``__cpp_lib_to_underlying``                       ``202102L``
+    ------------------------------------------------- -----------------
+    ``__cpp_lib_unreachable``                         *unimplemented*
     ================================================= =================
 
diff --git a/docs/Status/Cxx2bPapers.csv b/docs/Status/Cxx2bPapers.csv
index f5ab6ed..d4c9bd5 100644
--- a/docs/Status/Cxx2bPapers.csv
+++ b/docs/Status/Cxx2bPapers.csv
@@ -11,7 +11,7 @@
 "`P2212R2 <https://wg21.link/P2212R2>`__","LWG","Relax Requirements for time_point::clock","February 2021","",""
 "`P2259R1 <https://wg21.link/P2259R1>`__","LWG","Repairing input range adaptors and counted_iterator","February 2021","",""
 "","","","","",""
-"`P0401R6 <https://wg21.link/P0401R6>`__","LWG","Providing size feedback in the Allocator interface","June 2021","",
+"`P0401R6 <https://wg21.link/P0401R6>`__","LWG","Providing size feedback in the Allocator interface","June 2021","",""
 "`P0448R4 <https://wg21.link/P0448R4>`__","LWG","A strstream replacement using span<charT> as buffer","June 2021","",""
 "`P1132R8 <https://wg21.link/P1132R8>`__","LWG","out_ptr - a scalable output pointer abstraction","June 2021","",""
 "`P1328R1 <https://wg21.link/P1328R1>`__","LWG","Making std::type_info::operator== constexpr","June 2021","",""
@@ -38,3 +38,16 @@
 "`P2393R1 <https://wg21.link/P2393R1>`__","LWG","Cleaning up ``integer``-class types","October 2021","",""
 "`P2401R0 <https://wg21.link/P2401R0>`__","LWG","Add a conditional ``noexcept`` specification to ``std::exchange``","October 2021","|Complete|","14.0"
 "","","","","",""
+"`P0323R12 <https://wg21.link/P0323R12>`__","LWG","``std::expected``","February 2022","",""
+"`P0533R9 <https://wg21.link/P0533R9>`__","LWG","``constexpr`` for ``<cmath>`` and ``<cstdlib>``","February 2022","",""
+"`P0627R6 <https://wg21.link/P0627R6>`__","LWG","Function to mark unreachable code","February 2022","",""
+"`P1206R7 <https://wg21.link/P1206R7>`__","LWG","``ranges::to``: A function to convert any range to a container","February 2022","",""
+"`P1413R3 <https://wg21.link/P1413R3>`__","LWG","Deprecate ``std::aligned_storage`` and ``std::aligned_union``","February 2022","",""
+"`P2255R3 <https://wg21.link/P2255R3>`__","LWG","A type trait to detect reference binding to temporary","February 2022","",""
+"`P2273R3 <https://wg21.link/P2273R3>`__","LWG","Making ``std::unique_ptr`` constexpr","February 2022","",""
+"`P2387R3 <https://wg21.link/P2387R3>`__","LWG","Pipe support for user-defined range adaptors","February 2022","",""
+"`P2440R1 <https://wg21.link/P2440R1>`__","LWG","``ranges::iota``, ``ranges::shift_left`` and ``ranges::shift_right``","February 2022","",""
+"`P2441R2 <https://wg21.link/P2441R2>`__","LWG","``views::join_view``","February 2022","",""
+"`P2442R1 <https://wg21.link/P2442R1>`__","LWG","Windowing range adaptors: ``views::chunk`` and ``views::slide``","February 2022","",""
+"`P2443R1 <https://wg21.link/P2443R1>`__","LWG","``views::chunk_by``","February 2022","",""
+"","","","","",""