25b84491f7
clarify how Rust atomics correspond to C++ atomics ``@cbeuw`` noted in https://github.com/rust-lang/miri/pull/1963 that the correspondence between C++ atomics and Rust atomics is not quite as obvious as one might think, since in Rust I can use `get_mut` to treat previously non-atomic data as atomic. However, I think using C++20 `atomic_ref`, we can establish a suitable relation between the two -- or do you see problems with that ``@cbeuw?`` (I recall you said there was some issue, but it was deep inside that PR and Github makes it impossible to find...) Cc ``@thomcc;`` not sure whom else to ping for atomic memory model things. |
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