Rollup of 16 pull requests #78421
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Rollup of 16 pull requests #78421
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Allows getting the slices directly, rather than just through an iterator as in `array_chunks(_mut)`. The constructors for those iterators are then written in terms of these methods, so the iterator constructors no longer have any `unsafe` of their own.
Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
This change is needed for compiler-builtins to check for this feature when implementing memcpy/memset. See: rust-lang/compiler-builtins#365 The change just does compile-time detection. I think that runtime detection will have to come in a follow-up CL to std-detect. Like all the CPU feature flags, this just references rust-lang#44839 Signed-off-by: Joe Richey <joerichey@google.com>
Add links Fix typo Use `sequence` Fix typo Fix broken link Fix broken link Fix broken link Fix broken links Fix broken links
Co-authored-by: lcnr <bastian_kauschke@hotmail.de>
…lbertodt Add [T]::as_chunks(_mut) Allows getting the slices directly, rather than just through an iterator as in `array_chunks(_mut)`. The constructors for those iterators are then written in terms of these methods, so the iterator constructors no longer have any `unsafe` of their own. Unstable, of course. rust-lang#74985
…mulacrum add system-llvm-libunwind config option allows using the system-wide llvm-libunwind as the unwinder Workaround for rust-lang#76020
Prefer to use `print_def_path` Follow-up of rust-lang#71310 (comment)
…rk-Simulacrum Add test for bad NLL higher-ranked subtype Fixes rust-lang#57642
Update description for error E0308 Fixes rust-lang#76462 r? @camelid
…Simulacrum Use check-pass in single-use-lifetime ui tests Rationale: the `single_use_lifetimes` lint is used during late name resolution, which is within the scope of `check-pass` and does not require codegen or linking. Helps remove some FIXMES associated with rust-lang#62277. Additionally tidies touched test files.
Add lexicographical comparison doc close rust-lang#72255
Make some functions private that don't have to be public r? @GuillaumeGomez
Use its own `TypeckResults` to avoid ICE Fixes rust-lang#75962
Use ? in core/std macros
…-schievink Fix typo in debug statement
Add some regression tests Closes rust-lang#75763. Closes rust-lang#76179.
fix(docs): typo in BufWriter documentation This PR fixes a small typo in the BufWriter documentation. The current documentation looks like this:  The `<u8>` at the end is mangled by Markdown. This PR makes the `BufWriter` documentation like the `BufReader` one: https://github.com/rust-lang/rust/blob/master/library/std/src/io/buffered/bufreader.rs#L16 I'm tagging Steve as per the Rustc dev guide. r? @steveklabnik
Add compiler support for LLVM's x86_64 ERMSB feature This change is needed for compiler-builtins to check for this feature when implementing memcpy/memset. See: rust-lang/compiler-builtins#365 Without this change, the following code compiles, but does nothing: ```rust #[cfg(target_feature = "ermsb")] pub unsafe fn ermsb_memcpy() { ... } ``` The change just does compile-time detection. I think that runtime detection will have to come in a follow-up CL to std-detect. Like all the CPU feature flags, this just references rust-lang#44839 Signed-off-by: Joe Richey <joerichey@google.com>
Fix typo in lint description
…schievink Improve formatting of hash collections docs
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This was referenced Oct 27, 2020
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Successful merges:
print_def_path#78219 (Prefer to useprint_def_path)TypeckResultsto avoid ICE #78349 (Use its ownTypeckResultsto avoid ICE)Failed merges:
r? @ghost