Mark Arc::from_inner / Rc::from_inner as unsafe
#89741
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While it's an internal function, it is easy to create invalid Arc/Rcs to a dangling pointer with it. Fixes rust-lang#89740
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…=Mark-Simulacrum Mark `Arc::from_inner` / `Rc::from_inner` as unsafe While it's an internal function, it is easy to create invalid Arc/Rcs to a dangling pointer with it. Fixes rust-lang#89740
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…askrgr Rollup of 6 pull requests Successful merges: - rust-lang#89741 (Mark `Arc::from_inner` / `Rc::from_inner` as unsafe) - rust-lang#90927 (Fix float ICE) - rust-lang#90994 (Fix ICE `rust-lang#90993`: add missing call to cancel) - rust-lang#91018 (Adopt let_else in more places in rustc_mir_build) - rust-lang#91022 (Suggest `await` in more situations where infer types are involved) - rust-lang#91088 (Revert "require full validity when determining the discriminant of a value") Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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While it's an internal function, it is easy to create invalid Arc/Rcs to
a dangling pointer with it.
Fixes #89740