Rollup of 15 pull requests #73455
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Rollup of 15 pull requests #73455
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When parsing `let x: i8 += 1` the compiler interprets `i8` as a trait which makes it more complicated to do error recovery. More advanced error recovery is not implemented in this commit.
Co-authored-by: lzutao <taolzu@gmail.com>
Fix rust-lang#70968, partially address rust-lang#66523.
Fixed sentence by removing a word.
…komatsakis Expand "recursive opaque type" diagnostic Fix rust-lang#70968, partially address rust-lang#66523.
… r=matthewjasper Specialization is unsound As discussed in rust-lang#31844 (comment), it might be a good idea to warn users of specialization that the feature they are using is unsound. I also expanded the "incomplete feature" warning to link the user to the tracking issue.
Improve diagnostics for `let x += 1` Fixes(?) rust-lang#66736 The code responsible for the `E0404` errors is [here](https://github.com/rust-lang/rust/blob/master/src/librustc_parse/parser/ty.rs#L399-L424) which I don't think can be easily modified to prevent emitting an error in one specific case. Because of this I couldn't get rid of `E0404` and instead added `E0067` along with a help message which will fix the problem. r? @estebank
…akis add raw_ref macros In rust-lang#64490, various people were in favor of exposing `&raw` as a macro first before making the actual syntax stable. So this PR (unstably) introduces those macros. I'll create the tracking issue if we're okay moving forward with this.
…ing-drop, r=matthewjasper,nikomatsakis Report error when casting an C-like enum implementing Drop Following approach described in rust-lang#35941
…, r=nikomatsakis Further tweak lifetime errors involving `dyn Trait` and `impl Trait` in return position * Suggest substituting `'static` lifetime in impl/dyn `Trait + 'static` instead of `Trait + 'static + '_` * When `'static` is explicit, also suggest constraining argument with it * Reduce verbosity of suggestion message and mention lifetime in label * Tweak output for overlapping required/captured spans * Give these errors an error code Follow up to rust-lang#72543. r? @nikomatsakis
…ies, r=shepmaster Complete the std::time documentation to warn about the inconsistencies between OS Fixes rust-lang#48980. I put the new documentation in `src/libstd/time.rs` at the module-level because it affects all types, even the one that are not directly system dependents if they are used with affected types, but there may be a better place for it.
…llaumeGomez Only highlight doc search results via mouseover if mouse has moved ## What happens - Go to https://doc.rust-lang.org/stable/std/index.html - Put your mouse cursor somewhere in the middle where search results will appear and then don't move the mouse - Press 's' to focus the search box - Type a query that brings up enough search results to go under where your mouse cursor is - Press the down arrow - The search result that is one below where your mouse cursor is will be highlighted. ## What I expected When not currently using the mouse, I expect doing a search and then pressing the down arrow to always highlight the first search result immediately below the search box. ## The fix This feels a bit hacky to me; I'm open to other solutions. This introduces a global JS var that keeps track of whether the person searching has moved their mouse after doing a search or not, and only uses the mouse position to highlight search results if the person HAS moved the mouse AFTER doing a search.
Ensure std benchmarks get tested. This ensures that the std benchmarks don't break in the future. Currently they aren't compiled or tested on CI, so they can easily bitrot. Testing a benchmark runs it with one iteration. Adding these should only add a few seconds to CI. Closes rust-lang#54176 Closes rust-lang#61913
Add asm!() support for hexagon
…enkov Add E0763
… r=petrochenkov Disallow loading crates with non-ascii identifier name. This turns off external crate loading with non-ascii identifier names. cc rust-lang#55467.
…, r=kinnison Clean up some weird command strings r? @kinnison
Fix typo in librustc_ast docs Fixed sentence by removing a word.
Make novel structural match violations not a `bug` Fixes (on master) rust-lang#73431. Ideally, `CustomEq` would emit a strict subset of the structural match errors that are found by `search_for_structural_match_violation`, since it allows more cases due to value-based reasoning. However, const qualification is more conservative than `search_for_structural_match_violation` around associated constants, since qualification does not try to substitute type parameters. In the long term, we should probably make const qualification work for generic associated constants, but I don't like extending its capabilities even further. r? @pnkfelix
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@bors r+ p=15 rollup=never This includes one of the beta-backport changes, so jumping the queue should be fine. |
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📌 Commit db841ab has been approved by |
bors
added
the
S-waiting-on-bors
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⌛ Testing commit db841ab with merge 7d1dceb231795c27009ab2070a336c730f26e9ea... |
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@bors retry ceding to stable build |
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closing this, will run one after the backports |
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Successful merges:
let x += 1#71976 (Improve diagnostics forlet x += 1)dyn Traitandimpl Traitin return position #72804 (Further tweak lifetime errors involvingdyn Traitandimpl Traitin return position)bug#73446 (Make novel structural match violations not abug)Failed merges:
r? @ghost