Rollup merge of #129653 - RalfJung:addr-of-read-only, r=scottmcm

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clarify that addr_of creates read-only pointers

Stacked Borrows does make this UB, but Tree Borrows does not. This is tied up with https://github.com/rust-lang/rust/issues/56604 and other UCG discussions. Also see [this collection of links](https://github.com/Rust-for-Linux/linux/pull/950#discussion_r1104759431) where rustc treats `addr_of!` as a "non-mutating use".

So, let's better be careful for now.

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Matthias Krüger 2024-09-05 19:43:47 +02:00 committed by GitHub

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