Rollup of 8 pull requests #130767
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Rollup of 8 pull requests #130767
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This adds labels to the icons and moves them away from the search box. These changes are made together, because they work together, but are based on several complaints: * The [+/-] thing are a Reddit-ism. They don't look like buttons, but look like syntax <https://rust-lang.zulipchat.com/#narrow/stream/266220-t-rustdoc/topic/More.20visual.20difference.20for.20the.20.2B.2F-.20.20Icons>, <rust-lang#59851> (some of these are laundry lists with more suggestions, but they all mention [+/-] looking wrong) * The settings, help, and summary buttons are also too hard to recognize <https://lwn.net/Articles/987070/>, <rust-lang#90310>, <rust-lang#14475 (comment)>, <https://internals.rust-lang.org/t/improve-rustdoc-design/12758> ("Not all functionality is self-explanatory, for example the [+] button in the top right corner, the theme picker or the settings button.") The toggle-all and toggle-individual buttons both need done at once, since we want them to look like they go together. This changes them from both being [+/-] to both being arrows. Settings and Help are also migrated, so that the whole group can benefit from being described using actual words. Additionally, the Help button is only shown on SERPs, not all the time. This is done for two major reasons: * Most of what's in there is search-related. The things that aren't are keyboard commands, and the search box tells you about that anyway. Pressing <kbd>?</kbd> will temporarily show the button and its popover. * I'm trading it off by showing the help button, even on mobile. It's useful since you can use the search engine suggestions there. * The three buttons were causing line wrapping on too many desktop layouts.
This tweaks it to use less space for the breadcrumbs.
Co-authored-by: Michael Goulet <michael@errs.io>
And stop passing `BOOTSTRAP_CARGO` as an env var, instead the provided cargo should go through `--cargo-path.`
MCP: rust-lang/compiler-team#784 Co-authored-by: WANG Rui <wangrui@loongson.cn>
This reverts commit 7160447.
…GuillaumeGomez rustdoc: redesign toolbar and disclosure widgets Fixes rust-lang#77899 Fixes rust-lang#90310 ## Preview | before | after | ------ | ----- |  |  |  |  |  |  |  |  |  |  | N/A |  |  |  |  |  https://notriddle.com/rustdoc-html-demo-12/toolbar-v2/std/index.html ## Description This adds labels to the icons and moves them away from the search box. These changes are made together, because they work together, but are based on several complaints: * The [+/-] thing are a Reddit-ism. They don't look like buttons, but look like syntax <https://rust-lang.zulipchat.com/#narrow/stream/266220-t-rustdoc/topic/More.20visual.20difference.20for.20the.20.2B.2F-.20.20Icons>, <rust-lang#59851> (some of these are laundry lists with more suggestions, but they all mention [+/-] looking wrong) * The settings, help, and summary buttons are also too hard to recognize <https://lwn.net/Articles/987070/>, <rust-lang#90310>, <rust-lang#14475 (comment)>, <https://internals.rust-lang.org/t/improve-rustdoc-design/12758> ("Not all functionality is self-explanatory, for example the [+] button in the top right corner, the theme picker or the settings button.") The toggle-all and toggle-individual buttons both need done at once, since we want them to look like they go together. This changes them from both being [+/-] to both being arrows. CC <rust-lang#113074 (comment)> and `@jsha` regarding the use of triangles for disclosure, which is what everyone wanted, but was pending a good toggle-all button. This PR adds a toggle-all button that should work. Settings and Help are also migrated, so that the whole group can benefit from being described using actual words. The breadcrumbs also get redesigned, so that they use less space, by shrinking the parent module path parts. This is done at the same time as the toolbar redesign because it's, effectively, moving space from the toolbar to the breadcrumbs. This is aimed at avoiding any line wrapping at desktop sizes. ## Prior art This style of toolbar, with explicit labels on the buttons, used to be more popular. It's not very common in web browsers nowadays, and for truly universal icons like ⬅️ I can understand why, but words are great when icons fail. 
Skip query in get_parent_item when possible. For HirIds with a non-zero item local id, `self.parent_owner_iter(hir_id).next()` just returns the same HirId with the item local id set to 0, but also does a query to retrieve the Node which is ignored here, which seems wasteful.
Check vtable projections for validity in miri Currently, miri does not catch when we transmute `dyn Trait<Assoc = A>` to `dyn Trait<Assoc = B>`. This PR implements such a check, and fixes rust-lang/miri#3905. To do this, we modify `GlobalAlloc::VTable` to contain the *whole* list of `PolyExistentialPredicate`, and then modify `check_vtable_for_type` to validate the `PolyExistentialProjection`s of the vtable, along with the principal trait that was already being validated. cc `@RalfJung` r? `@lcnr` or types I also tweaked the diagnostics a bit. --- **Open question:** We don't validate the auto traits. You can transmute `dyn Foo` into `dyn Foo + Send`. Should we check that? We currently have a test that *exercises* this as not being UB: https://github.com/rust-lang/rust/blob/6c6d210089e4589afee37271862b9f88ba1d7755/src/tools/miri/tests/pass/dyn-upcast.rs#L14-L20 I'm not actually sure if we ever decided that's actually UB or not 🤔 We could perhaps still check that the underlying type of the object (i.e. the concrete type that was unsized) implements the auto traits, to catch UB like: ```rust fn main() { let x: &dyn Trait = &std::ptr::null_mut::<()>(); let _: &(dyn Trait + Send) = std::mem::transmute(x); //~^ this vtable is not allocated for a type that is `Send`! } ```
Pass bootstrap cargo when `--stage 0` and `COMPILETEST_FORCE_STAGE0` Follow-up to rust-lang#130642 (comment) to make sure that when ``` $ COMPILETEST_FORCE_STAGE0=1 ./x test run-make --stage 0 ``` is used, bootstrap cargo is used in order to avoid building stage 1 rustc. Note that run-make tests are usually not written with `--stage 0` in mind and some tests may rely on stage1 rustc (nightly) behavior, and it is expected that some tests will fail under this invocation. cc `@bjorn3` can you please test if this suits your needs for `cg_clif` to avoid the unnecessary stage1 rustc rebuild? r? bootstrap
…ieyouxu Add new Tier-3 target: `loongarch64-unknown-linux-ohos` MCP: rust-lang/compiler-team#784
…mit, r=jieyouxu Revert "Add recursion limit to FFI safety lint" It's not necessarily clear if warning when we hit the recursion limit is the right thing to do, first of all. **More importantly**, this PR was implemented incorrectly in the first place; it was not decrementing the recursion limit when stepping out of a type, so it would trigger when a ctype has more than RECURSION_LIMIT fields *anywhere* in the type's set of recursively reachable fields. Reverts rust-lang#130598 Reopens rust-lang#130310 Fixes rust-lang#130757
Update books ## rust-lang/book 5 commits in e7d217be2a75ef1753f0988d6ccaba4d7e376259..99cf75a5414fa8adbe3974bd0836661ca901708f 2024-09-23 16:18:39 UTC to 2024-09-11 18:38:03 UTC - translations: remove broken link (rust-lang/book#4036) - Update build instructions: include mdbook plugins (rust-lang/book#4032) - Add `cargo init` usage suggestion to 1.3 (rust-lang/book#4025) - Use immutable borrow of `TcpStream` when creating `BufReader` (rust-lang/book#4024) - Upgrade to Rust 1.81 (rust-lang/book#4031) ## rust-lang/edition-guide 1 commits in b3ca7ade0f87d7e3fb538776defc5b2cc4188172..c7ebae25cb4801a31b6f05353f6d85bfa6feedd1 2024-09-22 08:47:02 UTC to 2024-09-22 08:47:02 UTC - Update static_mut_refs now that it is a lint (rust-lang/edition-guide#322) ## rust-lang/reference 10 commits in 687faf9958c52116d003b41dfd29cc1cf44f5311..24fb2687cdbc54fa18ae4acf5d879cfceca77b2c 2024-09-22 09:07:12 UTC to 2024-09-10 19:24:17 UTC - do not talk about the 'address of a constant' (rust-lang/reference#1624) - Add spec identifier syntax to interior-mutability.md (rust-lang/reference#1585) - Add spec identifier syntax to input-format.md (rust-lang/reference#1584) - Document limitations on block doc comments (rust-lang/reference#1602) - Places based on misaligned pointers: also mention 'static's as a possible base for place projections (rust-lang/reference#1606) - type-layout: mention that call ABI compatibility is a separate concern (rust-lang/reference#1608) - stabilize `const_extern_fn` (rust-lang/reference#1596) - const_eval: update for const_mut_refs and const_refs_to_cell stabilization (rust-lang/reference#1590) - fix: unclosed tag `sup` (rust-lang/reference#1612) - Fix improper documentation on casting non_exhaustive enums (rust-lang/reference#1607) ## rust-lang/rustc-dev-guide 13 commits in 0ed9229..555f3de 2024-09-23 12:51:33 UTC to 2024-09-10 07:32:10 UTC - chore: add missing `.` (rust-lang/rustc-dev-guide#2074) - Add remark on required free disk space (rust-lang/rustc-dev-guide#2073) - fix broken links (rust-lang/rustc-dev-guide#2063) - Add advice about submitting potentially hard-to-review PRs (rust-lang/rustc-dev-guide#2036) - Edit a sentence for clarity (rust-lang/rustc-dev-guide#2071) - Emphasize how to run a single tool test (rust-lang/rustc-dev-guide#2070) - Remove chalk is owned by WG-traits (rust-lang/rustc-dev-guide#2068) - Fix conditions lowering text for enums with no fields (rust-lang/rustc-dev-guide#2066) - update proof tree chapter (rust-lang/rustc-dev-guide#2054) - Add docs for JS tests (rust-lang/rustc-dev-guide#2048) - Reflect `x.py test`'s `--rustc-args` option being renamed to `--compiletest-rustc-args` (rust-lang/rustc-dev-guide#2062) - we standardized on this more reliable command (rust-lang/rustc-dev-guide#2061) - Fix Typo and Remove Outdated Line About C Variadics (rust-lang/rustc-dev-guide#2060)
…tolnay stabilize const_intrinsic_copy Fixes rust-lang#80697 This stabilizes ```rust mod ptr { pub const unsafe fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize); pub const unsafe fn copy<T>(src: *const T, dst: *mut T, count: usize); } impl *const T { pub const unsafe fn copy_to(self, dest: *mut T, count: usize); pub const unsafe fn copy_to_nonoverlapping(self, dest: *mut T, count: usize); } impl *mut T { pub const unsafe fn copy_to(self, dest: *mut T, count: usize); pub const unsafe fn copy_to_nonoverlapping(self, dest: *mut T, count: usize); pub const unsafe fn copy_from(self, src: *const T, count: usize); pub const unsafe fn copy_from_nonoverlapping(self, src: *const T, count: usize); } impl <T> NonNull<T> { pub const unsafe fn copy_to(self, dest: NonNull<T>, count: usize); pub const unsafe fn copy_to_nonoverlapping(self, dest: NonNull<T>, count: usize); pub const unsafe fn copy_from(self, src: NonNull<T>, count: usize); pub const unsafe fn copy_from_nonoverlapping(self, src: NonNull<T>, count: usize); } ``` In particular, this reverts rust-lang#117905, which reverted rust-lang#97276. The `NonNull` methods are not listed in the tracking issue, they were added to this feature gate in rust-lang#124498. The existing [FCP](rust-lang#80697 (comment)) does not cover them. They are however entirely identical to the `*mut` methods and already stable outside `const`. `@rust-lang/libs-api` please let me know if FCP will be required for the `NonNull` methods.
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…mpiler-errors Rollup of 8 pull requests Successful merges: - rust-lang#129545 (rustdoc: redesign toolbar and disclosure widgets) - rust-lang#130618 (Skip query in get_parent_item when possible.) - rust-lang#130727 (Check vtable projections for validity in miri) - rust-lang#130739 (Pass bootstrap cargo when `--stage 0` and `COMPILETEST_FORCE_STAGE0`) - rust-lang#130750 (Add new Tier-3 target: `loongarch64-unknown-linux-ohos`) - rust-lang#130758 (Revert "Add recursion limit to FFI safety lint") - rust-lang#130759 (Update books) - rust-lang#130762 (stabilize const_intrinsic_copy) r? `@ghost` `@rustbot` modify labels: rollup
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Successful merges:
--stage 0andCOMPILETEST_FORCE_STAGE0)loongarch64-unknown-linux-ohos#130750 (Add new Tier-3 target:loongarch64-unknown-linux-ohos)r? @ghost
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