Rollup of 6 pull requests #97632
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Rollup of 6 pull requests #97632
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Split out from rust-lang#94247 This adds the following methods to raw slices that already exist on regular slices * `*mut [T]::is_empty` * `*mut [T]::split_at_mut` * `*mut [T]::split_at_unchecked` These methods reduce the amount of unsafe code needed to migrate ChunksMut and related iterators to raw slices (rust-lang#94247) Co-authored-by:: The 8472 <[email protected]>
`&mut [T]` implies validity which automatically makes `ptr::add` ok within its bounds. But `*mut [T]` does not. Since we still want the benefits of in-bounds pointer arithmetic `split_at_must` must require the caller to pass valid pointers and therefore it is `unsafe`.
…r_from_bad_type_plus`.
Co-authored-by: Guillaume Gomez <[email protected]>
Additional `*mut [T]` methods Split out from rust-lang#94247 This adds the following methods to raw slices that already exist on regular slices * `*mut [T]::is_empty` * `*mut [T]::split_at_mut` * `*mut [T]::split_at_mut_unchecked` These methods reduce the amount of unsafe code needed to migrate `ChunksMut` and related iterators to raw slices (rust-lang#94247) r? `@m-ou-se`
…mpls-dup, r=GuillaumeGomez rustdoc: avoid including impl blocks with filled-in generics Fixes rust-lang#94937 # Before  # After 
…estebank Move conditions out of recover/report functions. `Parser` has six recover/report functions that are passed a boolean, and nothing is done if the boolean has a particular value. This PR moves the tests outside the functions. This has the following effects. - The number of lines of code goes down. - Some `use` items become shorter. - Avoids the strangeness whereby 11 out of 12 calls to `maybe_recover_from_bad_qpath` pass `true` as the second argument. - Makes it clear at the call site that only one of `maybe_recover_from_bad_type_plus` and `maybe_report_ambiguous_plus` will be run. r? `@estebank`
…-obk Mention filename in suggestion when it differs from primary span
…e, r=GuillaumeGomez rustdoc: Improve calculation of "Impls on Foreign Types" The existing code to calculate whether an implementation was on a "Foreign Type" was duplicated across the sidebar generation and the page generation. It also came to the wrong conclusion for some cases where both the trait and the "for" type were re-exports. This PR extracts the logic into a method of `Impl`, breaks it into a multi-line method so it can be commented, and adds a case for when the trait and the "for" type came from the same crate. This fixes some cases - like the platform-specific integer types (`__m256`, `__m128`, etc). But it doesn't fix all cases. See the screenshots below. [Before](https://doc.rust-lang.org/nightly/std/clone/trait.Clone.html#foreign-impls): <img src="https://user-images.githubusercontent.com/220205/171338226-59ce6daf-3d76-4bad-bc8d-72a8259a8f43.png" width=200> [After](https://rustdoc.crud.net/jsha/implementation-is-on-local-type/std/clone/trait.Clone.html): <img src="https://user-images.githubusercontent.com/220205/171338147-28308a65-1597-4223-be47-9550062404dd.png" width=200> The remaining types (`CString`, `NulError`, etc) are all from the `alloc` crate, while the `Clone` trait is from the `core` crate. Since `CString` and `Clone` are both re-exported by `std`, they are logically local to each other, but I couldn't figure out a good way to detect that in this code. I figure this is still a good step forward. Related: rust-lang#97610 r? `@camelid`
rename PointerAddress → PointerExposeAddress `PointerAddress` sounds a bit too much like `ptr.addr()`, but this corresponds to `ptr.expose_addr()`. r? `@tmiasko`
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@bors r+ rollup=never p=6 |
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📌 Commit b78c118 has been approved by |
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☀️ Test successful - checks-actions |
This was referenced Jun 2, 2022
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Finished benchmarking commit (e838059): comparison url. Instruction count
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If you disagree with this performance assessment, please file an issue in rust-lang/rustc-perf. @rustbot label: -perf-regression Footnotes |
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Successful merges:
*mut [T]methods #95594 (Additional*mut [T]methods)Failed merges:
r? @ghost
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