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Rollup of 4 pull requests - #91090
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matthiaskrgr wants to merge 9 commits into
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While it's an internal function, it is easy to create invalid Arc/Rcs to a dangling pointer with it. Fixesrust-lang#89740
Helps avoid rightward drift.
…value" This reverts commit 0a2b7d7, reversing changes made to 47c1bd1. This caused several unforeseen problems: - rust-lang#91029 - rust-lang#89764 (comment)
…=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. Fixesrust-lang#89740
Adopt let_else in more places in rustc_mir_build Helps avoid rightward drift. followup of rust-lang#89933
…ebank Suggest `await` in more situations where infer types are involved Currently we use `TyS::same_type` in diagnostics that suggest adding `.await` to opaque future types. This change makes the suggestion slightly more general, when we're comparing types like `Result<T, E>` and `Result<_, _>` which happens sometimes in places like `match` patterns or `let` statements with partially-elaborated types. ---- Question: 1. Is this change worthwhile? Totally fine if it doesn't make sense adding. 2. Should `same_type_modulo_infer` live in `rustc_infer::infer::error_reporting` or alongside the other method in `rustc_middle::ty::util`? 3. Should we generalize this change? I wanted to change all usages, but I don't want erroneous suggestions when adding `.field_name`...
Revert "require full validity when determining the discriminant of a value" This reverts commit 0a2b7d7, reversing changes made to 47c1bd1. This caused several unforeseen problems: - rust-lang#91029 - rust-lang#89764 (comment) So I think it's best to revert for now while we keep discussing the MIR semantics of getting a discriminant. r? `@oli-obk`
matthiaskrgr
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Nov 20, 2021
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@bors r+ rollup=never p=4 |
bors
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Nov 20, 2021
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📌 Commit 34615eb has been approved by |
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Successful merges:
Arc::from_inner/Rc::from_inneras unsafe #89741 (MarkArc::from_inner/Rc::from_inneras unsafe)awaitin more situations where infer types are involved #91022 (Suggestawaitin more situations where infer types are involved)Failed merges:
r? @ghost
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