Rollup of 10 pull requests #103417
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Rollup of 10 pull requests #103417
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These targets have system limits on the thread names, 16 and 64 bytes respectively, and `pthread_setname_np` returns an error if the name is longer. However, we're not in a context that can propagate errors when we call this, and we used to implicitly truncate on Linux with `prctl`, so now we manually truncate these names ahead of time.
It was added to the CSS in d8de2b4, but was never actually used in that PR.
Some diagnostic-related nits 1. Use `&mut Diagnostic` instead of `&mut DiagnosticBuilder<'_, T>` 2. Make `diag.span_suggestions` take an `IntoIterator` instead of `Iterator`, just to remove some `.into_iter` calls on the caller. idk if I should add a lint to make sure people use `&mut Diagnostic` instead of `&mut DiagnosticBuilder<'_, T>` in cases where we're just, e.g., adding subdiagnostics to the diagnostic... maybe a followup.
… r=cjgillot Introduce `subst_iter` and `subst_iter_copied` on `EarlyBinder` Makes working with bounds lists a bit easier, which I seem to do a lot. Specifically, means that we don't need to do `.transpose_iter().map(|(pred, _)| *pred)` every time we want to iterate through an `EarlyBinder<&'tcx [(Predicate, Span)]>` (and even then, still have to call `subst` later), which was a very awkward idiom imo.
…r=compiler-errors Escape string literals when fixing overlong char literal Fixes rust-lang#103323 `@rustbot` label +A-diagnostics +A-suggestion-diagnostics
…ck, r=oli-obk Handle return-position `impl Trait` in traits properly in `register_hidden_type` The bounds that we get by calling `bound_explicit_item_bounds` from an RPITIT have projections, not opaques, but when we're *registering* an opaque, we want to treat it like an opaque. Coincidentally fixes rust-lang#102688 as well, which makes sense, since that was failing because we were inferring an opaque type to be equal to itself (opaque cycle error => "cannot resolve opaque type"). Fixes rust-lang#103352 r? `@oli-obk`
…guity-bug, r=oli-obk Delay ambiguity span bug in normalize query iff not rustdoc Oli and I decided that the compiler debt of adding another usage of `tcx.sess.opts.actually_rustdoc` is fine, because we don't really want to add more complexity to the normalize query, and moving rustdoc to use fulfill normalization (`fully_normalize`, i.e. not use the normalize query) is unnecessary overhead given that it's skipping binders and stuff. r? oli-obk Fixes rust-lang#102827 Fixes rust-lang#103181
…omcc Truncate thread names on Linux and Apple targets These targets have system limits on the thread names, 16 and 64 bytes respectively, and `pthread_setname_np` returns an error if the name is longer. However, we're not in a context that can propagate errors when we call this, and we used to implicitly truncate on Linux with `prctl`, so now we manually truncate these names ahead of time. r? `@thomcc`
…tion, r=GuillaumeGomez rustdoc: remove unused CSS class `.result-description` It was added to the CSS in d8de2b4, but was never actually used in that PR.
…ect, r=fee1-dead Change `unknown_lint` applicability to `MaybeIncorrect` This small PR changes the applicability of `unknown_lint` to `MaybeIncorrect`, because the suggested lint might not be the correct one. Here is one example where the current applicability causes a problem. Clippy has a set of internal lints guarded by a feature called `internal`. If the feature is not enabled, then the internal lints are "unknown." In that case, running `cargo clippy --fix ...` on `clippy_utils` causes lines such as the followig https://github.com/rust-lang/rust/blob/26c96e341639102afacbbcad0dc18ad0ac71ab18/src/tools/clippy/clippy_utils/src/paths.rs#L51-L52 to be changed to ```rust #[expect(clippy::invalid_regex)] // internal lints do not know about all external crates pub const FUTURES_IO_ASYNCREADEXT: [&str; 3] = ["futures_util", "io", "AsyncReadExt"]; ``` which is not correct.
…leanup, r=notriddle Use functions for headings rustdoc GUI test r? `@notriddle`
…, r=thomcc Fix typo in docs of `String::leak`. I introduced a typo in rust-lang#103280, this PR fixes it. See rust-lang#103280 (comment)
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Successful merges:
subst_iterandsubst_iter_copiedonEarlyBinder#103123 (Introducesubst_iterandsubst_iter_copiedonEarlyBinder)impl Traitin traits properly inregister_hidden_type#103355 (Handle return-positionimpl Traitin traits properly inregister_hidden_type).result-description#103388 (rustdoc: remove unused CSS class.result-description)unknown_lintapplicability toMaybeIncorrect#103399 (Changeunknown_lintapplicability toMaybeIncorrect)String::leak. #103412 (Fix typo in docs ofString::leak.)Failed merges:
r? @ghost
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