this post was submitted on 18 Feb 2025
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Trip report: February 2025 ISO C++ standards meeting (Hagenberg, Austria) (herbsutter.com)
submitted 5 days ago by cmeerw@programming.dev to c/cpp@programming.dev
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On Saturday, the ISO C++ committee completed the second-last design meeting of C++26, held in Hagenberg, Austria. There is just one meeting left before the C++26 feature set is finalized in June 2025 and draft C++26 is sent out for its international comment ballot (aka “Committee Draft” or “CD”), and C++26 is on track to be technically finalized two more meetings after that in early 2026.

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[–] FizzyOrange@programming.dev 1 points 5 days ago (1 children)

Hardened standard library is going to make the times when I am forced to use C++ a lot more pleasant. Does anyone know how you will enable it? I think it's pretty much guaranteed that they're not going to take the sensible route of making it opt-out, and if it's too difficult to enable nobody is going to bother.

[–] cmeerw@programming.dev 1 points 5 days ago (1 children)

see https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2024/p3471r2.html#enabling-hardening

Much like a freestanding implementation, the way to request a hardened implementation is left for the implementation to define. For example, similarly to -ffreestanding, we expect that most toolchains would provide a compiler flag like -fhardened, but other alternatives like a -D_LIBCPP_HARDENING_MODE= macro would also be conforming.

[–] FizzyOrange@programming.dev 1 points 4 days ago

Well let's hope they don't all choose different options...