[libcxx-commits] [libcxx] [libcxx] Implementation of P1831R1 (PR #101439)

[A. Jiang via libcxx-commits]

frederick-vs-ja wrote:

> * Remove volatile variants of `tuple_size`, `tuple_element`, `variant_size`, and `variant_alternative`.
> * Require that the volatile overload of many methods of `atomic<T>` require that `atomic<T>::is_always_lock_free` is true.

You misread the paper. The paper didn't remove anything. It just conditionally deprecated some components.

https://github.com/llvm/llvm-project/pull/101439