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d7f2a09e98
gcc/libstdc++-v3/include
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Jonathan Wakely d7f2a09e98 libstdc++: Define <stdatomic.h> for C++23 
This adds the C++23 <stdatomic.h> header, as proposed by P0943R6, for
compatibility with C code.

There are still some ABI differences between atomic_xxx in C and C++
std::atomic_xxx in C++, so this only provides source compatibility, not
binary compatibility.

libstdc++-v3/ChangeLog:

	* include/Makefile.am: Install new header.
	* include/Makefile.in: Regenerate.
	* include/c_compatibility/stdatomic.h: New file.
	* testsuite/29_atomics/headers/stdatomic.h/c_compat.cc: New test.
2022-01-18 16:31:02 +00:00
..
backward libstdc++: Add attribute to features deprecated in C++17 [PR91260] 2022-01-14 11:27:50 +00:00
bits libstdc++: Add 'typename' to dependent types in atomic<shared_ptr<T>> 2022-01-17 09:48:09 +00:00
c Update copyright years. 2022-01-03 10:42:10 +01:00
c_compatibility libstdc++: Define <stdatomic.h> for C++23 2022-01-18 16:31:02 +00:00
c_global Update copyright years. 2022-01-03 10:42:10 +01:00
c_std Update copyright years. 2022-01-03 10:42:10 +01:00
debug Update copyright years. 2022-01-03 10:42:10 +01:00
decimal Update copyright years. 2022-01-03 10:42:10 +01:00
experimental libstdc++: Don't fail if math_errhandling is not defined 2022-01-17 11:27:32 +01:00
ext libstdc++: Add attribute to features deprecated in C++17 [PR91260] 2022-01-14 11:27:50 +00:00
parallel Update copyright years. 2022-01-03 10:42:10 +01:00
precompiled Update copyright years. 2022-01-03 10:42:10 +01:00
pstl
std libstdc++: Define <stacktrace> header for C++23 2022-01-17 12:13:02 +00:00
tr1 libstdc++: Add attribute to features deprecated in C++17 [PR91260] 2022-01-14 11:27:50 +00:00
tr2 Update copyright years. 2022-01-03 10:42:10 +01:00
Makefile.am libstdc++: Define <stdatomic.h> for C++23 2022-01-18 16:31:02 +00:00
Makefile.in libstdc++: Define <stdatomic.h> for C++23 2022-01-18 16:31:02 +00:00