Mark de Wever ba15d186e5 [clang] Use -std=c++23 instead of -std=c++2b ...

During the ISO C++ Committee meeting plenary session the C++23 Standard
has been voted as technical complete.

This updates the reference to c++2b to c++23 and updates the __cplusplus
macro.

Drive-by fixes c++1z -> c++17 and c++2a -> c++20 when seen.

Reviewed By: aaron.ballman

Differential Revision: https://reviews.llvm.org/D149553

2023-05-04 19:19:52 +02:00

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clang.rst

[clang] Use -std=c++23 instead of -std=c++2b

2023-05-04 19:19:52 +02:00

diagtool.rst

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index.rst

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