[libc++][P0943] Add stdatomic.h header.
* https://wg21.link/P0943
* https://eel.is/c++draft/stdatomic.h.syn
This is a re-application of 5d1c1a24, which was reverted in 987c7f407
because it broke the LLDB build.
Co-authored-by: Marek Kurdej <marek.kurdej@gmail.com>
Differential Revision: https://reviews.llvm.org/D97044
NOKEYCHECK=True
GitOrigin-RevId: 586efd52b93f083d095bf3319da7e42f221c3f4a
diff --git a/docs/FeatureTestMacroTable.rst b/docs/FeatureTestMacroTable.rst
index 4f2ce96..5d82ad2 100644
--- a/docs/FeatureTestMacroTable.rst
+++ b/docs/FeatureTestMacroTable.rst
@@ -344,7 +344,7 @@
------------------------------------------------- -----------------
``__cpp_lib_stacktrace`` *unimplemented*
------------------------------------------------- -----------------
- ``__cpp_lib_stdatomic_h`` *unimplemented*
+ ``__cpp_lib_stdatomic_h`` ``202011L``
------------------------------------------------- -----------------
``__cpp_lib_string_contains`` ``202011L``
------------------------------------------------- -----------------
diff --git a/docs/Status/Cxx2bPapers.csv b/docs/Status/Cxx2bPapers.csv
index 4aad9a6..15531df 100644
--- a/docs/Status/Cxx2bPapers.csv
+++ b/docs/Status/Cxx2bPapers.csv
@@ -1,6 +1,6 @@
"Paper #","Group","Paper Name","Meeting","Status","First released version"
"`P0881R7 <https://wg21.link/P0881R7>`__","LWG","A Proposal to add stacktrace library","Autumn 2020","",""
-"`P0943R6 <https://wg21.link/P0943R6>`__","LWG","Support C atomics in C++","Autumn 2020","",""
+"`P0943R6 <https://wg21.link/P0943R6>`__","LWG","Support C atomics in C++","Autumn 2020","|Complete|","15.0"
"`P1048R1 <https://wg21.link/P1048R1>`__","LWG","A proposal for a type trait to detect scoped enumerations","Autumn 2020","|Complete|","12.0"
"`P1679R3 <https://wg21.link/P1679R3>`__","LWG","string contains function","Autumn 2020","|Complete|","12.0"
"","","","","",""