[Bug 255374] C++20 features (headers) std::concepts, std::format, std::numbers, std::source_location, etc. are missing

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Newsgroups gmane.os.freebsd.devel.standards
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255374

Mark Millard <[email protected]> changed:

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--- Comment #17 from Mark Millard <[email protected]> ---
(In reply to Rene Ladan from comment #16)

Well, this submittal was not done case by case but for C++20
overall. That leads to issues like std::source_location, which
https://libcxx.llvm.org//Status/Cxx20.html lists as covered by
llvm16's libc++ :

P1208R6 LWG     Adopt source_location for C++20 Cologne Complete        16.0

That "16.0" is the "First released version" column's content.

(I've not reviewed the full list. I just happened to remember
the "not there yet" status of this one from looking into its
status a while back. If I remember right, there are other
areas still classified as "experimental" in llvm15's libc++
but I've have to look up any details.)

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