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from 58385f6ace4 Fix -Wformat-diag in various targets. new d7f2a09e985 libstdc++: Define <stdatomic.h> for C++23 new 0e4e4b37d99 libstdc++: Declare std::c8rtomb and std::mbrtoc8 if provide [...] new 50bc6e463b5 libstdc++: Fix suggested alternative to std::ptr_fun new 302343d8dd3 libstdc++: Fix ambiguous std::pair constructors [PR101124] new e13e95bd274 libstdc++: Use __cpp_lib_concepts in std::reverse_iterator [...]

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Summary of changes: libstdc++-v3/acinclude.m4 | 44 +++++++ libstdc++-v3/config.h.in | 8 ++ libstdc++-v3/configure | 76 ++++++++++++ libstdc++-v3/include/Makefile.am | 1 + libstdc++-v3/include/Makefile.in | 1 + libstdc++-v3/include/bits/stl_function.h | 4 +- libstdc++-v3/include/bits/stl_iterator.h | 4 +- libstdc++-v3/include/bits/stl_pair.h | 85 ++++++++------ libstdc++-v3/include/c_compatibility/stdatomic.h | 124 ++++++++++++++++++++ libstdc++-v3/include/c_compatibility/uchar.h | 8 ++ libstdc++-v3/include/c_global/cuchar | 33 +++++- libstdc++-v3/include/c_std/cuchar | 35 ++++++ libstdc++-v3/testsuite/20_util/pair/cons/99957.cc | 12 +- .../headers/cuchar/functions_std_cxx20.cc | 12 ++ .../headers/cuchar/functions_std_fchar8_t.cc | 12 ++ .../29_atomics/headers/stdatomic.h/c_compat.cc | 130 +++++++++++++++++++++ 16 files changed, 549 insertions(+), 40 deletions(-) create mode 100644 libstdc++-v3/include/c_compatibility/stdatomic.h create mode 100644 libstdc++-v3/testsuite/21_strings/headers/cuchar/functions_std_ [...] create mode 100644 libstdc++-v3/testsuite/21_strings/headers/cuchar/functions_std_ [...] create mode 100644 libstdc++-v3/testsuite/29_atomics/headers/stdatomic.h/c_compat.cc