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Account for use of index-based lifetime names in print of binder
Fixes https://github.com/rust-lang/rust/issues/102374
r? ```@lcnr```
cc ```@steffahn```
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r=JohnTitor
Add regression test for issue 94923
Fixes #94923
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Improve E0585 help
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Make `std::os::fd` public.
`std::os::fd` defines types like `OwnedFd` and `RawFd` and is common
between Unix and non-Unix platforms that share a basic file-descriptor
concept. Rust currently uses this internally to simplify its own code,
but it would be useful for external users in the same way, so make it
public.
This means that `OwnedFd` etc. will all appear in three places, for
example on unix platforms:
- `std::os::fd::OwnedFd`
- `std::os::unix::io::OwnedFd`
- `std::os::unix::prelude::OwnedFd`
r? `````@joshtriplett`````
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This line was added in c494a06064017f307a8d9dc4797e614d2ed99143, because at
the time, the headers had these classes on them. Now, the headers are
children of the `<section>` with the class on it.
This commit also adds a test case, to make sure the srclink font weight does
not regress again.
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`Res::SelfTy` currently has two `Option`s. When the second one is `Some`
the first one is never consulted. So we can split it into two variants,
`Res::SelfTyParam` and `Res::SelfTyAlias`, reducing the size of `Res`
from 24 bytes to 12. This then shrinks `hir::Path` and
`hir::PathSegment`, which are the HIR types that take up the most space.
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occurs in loop iteration
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Fix #102057.
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Add `#[rustc_safe_intrinsic]`
This PR adds the `#[rustc_safe_intrinsic]` attribute as mentionned on Zulip. The goal of this attribute is to avoid keeping a list of symbols as the source for stable intrinsics, and instead rely on an attribute. This is similar to `#[rustc_const_stable]` and `#[rustc_const_unstable]`, which among other things, are used to mark the constness of intrinsic functions.
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Do not overwrite lifetime binders for another HirId.
This PR makes higher-ranked bounds in where clauses a bit more principled.
We used to conflate `for<'a> T: Trait` with `(for<'a> T): Trait`.
This PR separates both binders.
This caused issued with fn types, which have their own binder, causing us to overwrite the predicates's binders with `fn`'s binders, ICEing.
Fixes https://github.com/rust-lang/rust/issues/98594
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Migrate more of rustc_parse to SessionDiagnostic
Still far from complete, but I thought I'd add a checkpoint here because rebasing was starting to get annoying.
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Rollup of 8 pull requests
Successful merges:
- #100747 (Add long description and test for E0311)
- #102232 (Stabilize bench_black_box)
- #102288 (Suggest unwrapping `???<T>` if a method cannot be found on it but is present on `T`.)
- #102338 (Deny associated type bindings within associated type bindings)
- #102347 (Unescaping cleanups)
- #102348 (Tweak `FulfillProcessor`.)
- #102378 (Use already resolved `self_ty` in `confirm_fn_pointer_candidate`)
- #102380 (rustdoc: remove redundant mobile `.source > .sidebar` CSS)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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Use already resolved `self_ty` in `confirm_fn_pointer_candidate`
Fixes #102289
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compiler-errors:assoc-ty-binding-in-assoc-ty-binding, r=cjgillot
Deny associated type bindings within associated type bindings
Fixes #102335
This was made worse by #100865, which unified the way we generate substs for GATs and non-generic associated types. However, the issue was not _caused_ by #100865, evidenced by the test I added for GATs:
```rust
trait T {
type A: S<C<(), i32 = ()> = ()>;
//~^ ERROR associated type bindings are not allowed here
}
trait Q {}
trait S {
type C<T>: Q;
}
fn main() {}
```
^ which passes on beta (where GATs are stable) and presumably ever since GATs support was added to `create_substs_for_associated_item` in astconv.
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Suggest unwrapping `???<T>` if a method cannot be found on it but is present on `T`.
This suggests various ways to get inside wrapper types if the method cannot be found on the wrapper type, but is present on the wrappee.
For this PR, those wrapper types include `Localkey`, `MaybeUninit`, `RefCell`, `RwLock` and `Mutex`.
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Stabilize bench_black_box
This PR stabilize `feature(bench_black_box)`.
```rust
pub fn black_box<T>(dummy: T) -> T;
```
The FCP was completed in https://github.com/rust-lang/rust/issues/64102.
`@rustbot` label +T-libs-api -T-libs
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MatthewPeterKelly:mpk/add-long-error-message-for-E0311, r=MatthewPeterKelly
Add long description and test for E0311
Adds a long description and unit test for the E0311 compiler error.
Fixes one line-item in https://github.com/rust-lang/rust/issues/61137.
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Rewrite and refactor format_args!() builtin macro.
This is a near complete rewrite of `compiler/rustc_builtin_macros/src/format.rs`.
This gets rid of the massive unmaintanable [`Context` struct](https://github.com/rust-lang/rust/blob/76531befc4b0352247ada67bd225e8cf71ee5686/compiler/rustc_builtin_macros/src/format.rs#L176-L263), and splits the macro expansion into three parts:
1. First, `parse_args` will parse the `(literal, arg, arg, name=arg, name=arg)` syntax, but doesn't parse the template (the literal) itself.
2. Second, `make_format_args` will parse the template, the format options, resolve argument references, produce diagnostics, and turn the whole thing into a `FormatArgs` structure.
3. Finally, `expand_parsed_format_args` will turn that `FormatArgs` structure into the expression that the macro expands to.
In other words, the `format_args` builtin macro used to be a hard-to-maintain 'single pass compiler', which I've split into a three phase compiler with a parser/tokenizer (step 1), semantic analysis (step 2), and backend (step 3). (It's compilers all the way down. ^^)
This can serve as a great starting point for https://github.com/rust-lang/rust/issues/99012, which will only need to change the implementation of 3, while leaving step 1 and 2 unchanged.
It also makes https://github.com/rust-lang/compiler-team/issues/541 easier, which could then upgrade the new `FormatArgs` struct to an `ast` node and remove step 3, moving that step to later in the compilation process.
It also fixes a few diagnostics bugs.
This also [significantly reduces](https://gist.github.com/m-ou-se/b67b2d54172c4837a5ab1b26fa3e5284) the amount of generated code for cases with arguments in non-default order without formatting options, like `"{1} {0}"` or `"{a} {}"`, etc.
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Fix search result colors
Fixes regression introduced in https://github.com/rust-lang/rust/commit/99c00714cff0d13b6c5092c9949cb4e93a121346.
As you can see, ayu lost some colors for its search results:
beta/nightly:
stable:
We'll need to backport it to beta too to prevent it reaching stable.
r? `@notriddle`
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Structured suggestion for missing `mut`/`const` in raw pointer
Fixes #102261
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make invalid_value lint a bit smarter around enums
Fixes https://github.com/rust-lang/rust/issues/102043
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Co-authored-by: Michael Howell <michael@notriddle.com>
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https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Containment
This affected layout a little and required adjustments to the CSS to
keep spacing the same. In particular, the margins of adjacent items
usually overlap with each other. However, when an item has contain:
layout, any margins of child nodes push out the size of the item itself.
This was making spacing between items a little too big. To solve that, I
removed margins in some places: in particular for certain classes that
often occur at the end of a `details.rustdoc-toggle` block, I removed
their bottom margin. Generally, the margins provided by the next item
down are sufficient.
Also remove an unnecessary margin-top on .code-header.
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