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Fix some `pub(crate)` that were undetected bc of `#[instrument]`
Self-explanatory, minor clean up.
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[rustdoc] Fix list margins
Fixes https://github.com/rust-lang/rust/issues/131106.
Fixes #131223.
Follow-up of #130933.
This PR changes the display as follow: the margin between list items is reduced by half to ensure that they visually still seem part of the same list, while also being bigger than previously which improves display for list items with more than one paragragh. Paragraphs also get they bottom margin reduced to a little bit less than the list items bottom margin for two reasons:
1. The list items keep having the biggest bottom margin which makes it better for coherency.
2. The paragraphs are still visually separated but they don't "overcome" the list.
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Can be tested [here](https://rustdoc.crud.net/imperio/fix-list-margins/doc/test_docs/long_list/index.html).
r? ``@notriddle``
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Fix typo in csky-unknown-linux-gnuabiv2.md
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Remove mw from triagebot.toml
cc https://github.com/rust-lang/team/pull/1565
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r=tgross35
Stabilize 5 `const_mut_refs`-dependent API
Since `const_mut_refs` and `const_refs_to_cell` have been stabilized, we now may create mutable references inside our library API. Thus we now stabilize the `const fn` version of these public library APIs which required such in their implementation:
- const `NonNull::as_mut` https://github.com/rust-lang/rust/issues/91822#issuecomment-2338930442
- const `slice::{first,last}_mut`: https://github.com/rust-lang/rust/issues/83570#issuecomment-2334847112
- const `str::as_{mut_ptr,bytes_mut}`: https://github.com/rust-lang/rust/issues/130086#issuecomment-2336408562
- const `str::from_utf8_unchecked_mut`: https://github.com/rust-lang/rust/issues/91005#issuecomment-2359820672
- const `UnsafeCell::get_mut`: https://github.com/rust-lang/rust/issues/88836#issuecomment-2359817772
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Fix `target_abi` in `sparc-unknown-none-elf`
This was previously set to `target_abi = "elf"`, but `elf` is not used elsewhere as a target ABI (even though there's many targets that have it in their name), so I've removed it.
CC target maintainer ``@jonathanpallant,`` what do you think about this?
``@rustbot`` label O-SPARC
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Fix `target_env` in `avr-unknown-gnu-atmega328`
The target name itself contains GNU, we should probably reflect that as `target_env = "gnu"` as well? Or from my reading of https://github.com/rust-lang/rust/pull/74941#issuecomment-712219034, perhaps not, but then that should probably be documented somewhere?
There's no listed target maintainer, but the target was introduced in https://github.com/rust-lang/rust/pull/74941, so I'll ping the author of that: `@dylanmckay`
Relatedly, I wonder _why_ the recommendation is to [create separate target triples for each AVR](https://github.com/Rahix/avr-hal/tree/main/avr-specs), when `-Ctarget-cpu=...` would suffice, perhaps you could also elaborate on that? Was it just because `-Ctarget-cpu=...` didn't exist back then? If so, now that it does, should we now change the target back to e.g. `avr-unknown-none-gnu`, and require the user to set `-Ctarget-cpu=...` instead?
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Increase Stack Size for AIX
On AIX, there are limited support for tail call optimizations, so we need to set a larger stack size value.
Fixes the following tests on AIX:
```
[ui] tests/ui/associated-consts/issue-93775.rs
[ui] tests/ui/closures/deeply-nested_closures.rs
[ui] tests/ui/issues/issue-74564-if-expr-stack-overflow.rs
[ui] tests/ui/parser/survive-peano-lesson-queue.rs
```
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Stabilize the `map`/`value` methods on `ControlFlow`
And fix the stability attribute on the `pub use` in `core::ops`.
libs-api in https://github.com/rust-lang/rust/issues/75744#issuecomment-2231214910 seemed reasonably happy with naming for these, so let's try for an FCP.
Summary:
```rust
impl<B, C> ControlFlow<B, C> {
pub fn break_value(self) -> Option<B>;
pub fn map_break<T>(self, f: impl FnOnce(B) -> T) -> ControlFlow<T, C>;
pub fn continue_value(self) -> Option<C>;
pub fn map_continue<T>(self, f: impl FnOnce(C) -> T) -> ControlFlow<B, T>;
}
```
Resolves #75744
``@rustbot`` label +needs-fcp +t-libs-api -t-libs
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Aside, in case it keeps someone else from going down the same dead end: I looked at the `{break,continue}_value` methods and tried to make them `const` as part of this, but that's disallowed because of not having `const Drop`, so put it back to not even unstably-const.
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Add x86_64-unknown-trusty as tier 3 target
This PR adds a third target for the Trusty platform, `x86_64-unknown-trusty`.
Please let me know if an MCP is required. https://github.com/rust-lang/compiler-team/issues/582 was made when adding the first two targets, I can make another one for the new target as well if needed.
# Target Tier Policy Acknowledgements
> A tier 3 target must have a designated developer or developers (the "target maintainers") on record to be CCed when issues arise regarding the target. (The mechanism to track and CC such developers may evolve over time.)
- Nicole LeGare (```@randomPoison)```
- Andrei Homescu (```@ahomescu)```
- Chris Wailes (chriswailes@google.com)
- As a fallback trusty-dev-team@google.com can be contacted
Note that this does not reflect the maintainers currently listed in [`trusty.md`](https://github.com/rust-lang/rust/blob/c52c23b6f44cd19718721a5e3b2eeb169e9c96ff/src/doc/rustc/src/platform-support/trusty.md). #130452 is currently open to update the list of maintainers in the documentation.
> Targets must use naming consistent with any existing targets; for instance, a target for the same CPU or OS as an existing Rust target should use the same name for that CPU or OS. Targets should normally use the same names and naming conventions as used elsewhere in the broader ecosystem beyond Rust (such as in other toolchains), unless they have a very good reason to diverge. Changing the name of a target can be highly disruptive, especially once the target reaches a higher tier, so getting the name right is important even for a tier 3 target.
The new target `x86_64-unknown-trusty` follows the existing naming convention for similar targets.
> Target names should not introduce undue confusion or ambiguity unless absolutely necessary to maintain ecosystem compatibility. For example, if the name of the target makes people extremely likely to form incorrect beliefs about what it targets, the name should be changed or augmented to disambiguate it.
👍
> Tier 3 targets may have unusual requirements to build or use, but must not create legal issues or impose onerous legal terms for the Rust project or for Rust developers or users.
There are no known legal issues or license incompatibilities.
> Neither this policy nor any decisions made regarding targets shall create any binding agreement or estoppel by any party. If any member of an approving Rust team serves as one of the maintainers of a target, or has any legal or employment requirement (explicit or implicit) that might affect their decisions regarding a target, they must recuse themselves from any approval decisions regarding the target's tier status, though they may otherwise participate in discussions.
👍
> Tier 3 targets should attempt to implement as much of the standard libraries as possible and appropriate (core for most targets, alloc for targets that can support dynamic memory allocation, std for targets with an operating system or equivalent layer of system-provided functionality), but may leave some code unimplemented (either unavailable or stubbed out as appropriate), whether because the target makes it impossible to implement or challenging to implement. The authors of pull requests are not obligated to avoid calling any portions of the standard library on the basis of a tier 3 target not implementing those portions.
This PR only adds the target. `std` support is being worked on and will be added in a future PR.
> The target must provide documentation for the Rust community explaining how to build for the target, using cross-compilation if possible. If the target supports running binaries, or running tests (even if they do not pass), the documentation must explain how to run such binaries or tests for the target, using emulation if possible or dedicated hardware if necessary.
👍
> Tier 3 targets must not impose burden on the authors of pull requests, or other developers in the community, to maintain the target. In particular, do not post comments (automated or manual) on a PR that derail or suggest a block on the PR based on a tier 3 target. Do not send automated messages or notifications (via any medium, including via ```@)``` to a PR author or others involved with a PR regarding a tier 3 target, unless they have opted into such messages.
👍
> Patches adding or updating tier 3 targets must not break any existing tier 2 or tier 1 target, and must not knowingly break another tier 3 target without approval of either the compiler team or the maintainers of the other tier 3 target.
👍
> Tier 3 targets must be able to produce assembly using at least one of rustc's supported backends from any host target. (Having support in a fork of the backend is not sufficient, it must be upstream.)
👍
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This was previously set to `target_abi = "elf"`, but `elf` is not used
elsewhere as a target ABI (even though there's many targets that have it
in their name).
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Stabilize `const_float_classify`
Tracking issue: https://github.com/rust-lang/rust/issues/72505
Also reverts https://github.com/rust-lang/rust/pull/114486
Closes https://github.com/rust-lang/rust/issues/72505
Stabilized const API:
```rust
impl f32 {
pub const fn is_nan(self) -> bool;
pub const fn is_infinite(self) -> bool;
pub const fn is_finite(self) -> bool;
pub const fn is_subnormal(self) -> bool;
pub const fn is_normal(self) -> bool;
pub const fn classify(self) -> FpCategory;
pub const fn is_sign_positive(self) -> bool;
pub const fn is_sign_negative(self) -> bool;
}
impl f64 {
pub const fn is_nan(self) -> bool;
pub const fn is_infinite(self) -> bool;
pub const fn is_finite(self) -> bool;
pub const fn is_subnormal(self) -> bool;
pub const fn is_normal(self) -> bool;
pub const fn classify(self) -> FpCategory;
pub const fn is_sign_positive(self) -> bool;
pub const fn is_sign_negative(self) -> bool;
}
```
cc `@rust-lang/wg-const-eval` `@rust-lang/libs-api`
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Rollup of 4 pull requests
Successful merges:
- #131034 (Implement RFC3695 Allow boolean literals as cfg predicates)
- #131202 (Use wide pointers consistenly across the compiler)
- #131230 (Enable `--no-sandbox` option by default for rustdoc GUI tests)
- #131232 (Week off of reviews to focus on docs)
r? `@ghost`
`@rustbot` modify labels: rollup
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cc https://github.com/rust-lang/team/pull/1565
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Week off of reviews to focus on docs
Dedicating a week to work on rustc-dev-guide.
Should be back on Oct. 11/12.
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Enable `--no-sandbox` option by default for rustdoc GUI tests
It's apparently common enough for people to have issues with the `sandbox` mode in chromium, so better disable it by default.
r? `@notriddle`
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Use wide pointers consistenly across the compiler
This PR replace every use of "fat pointer" for the more recent "wide pointer" terminology.
Since some time T-lang as preferred the "wide pointer" terminology, as can be seen on [the last RFCs](https://github.com/search?q=repo%3Arust-lang%2Frfcs+%22wide+pointer%22&type=code), on some [lints](https://doc.rust-lang.org/rustc/lints/listing/warn-by-default.html#ambiguous-wide-pointer-comparisons), but also in [the reference](https://doc.rust-lang.org/stable/reference/expressions/operator-expr.html?highlight=wide%20pointer#pointer-to-pointer-cast).
Currently we have a [mix of both](https://github.com/search?q=repo%3Arust-lang%2Frust+%22wide+pointer%22&type=code) (including in error messages), which isn't great, but with this PR no more.
r? `@jieyouxu` (feel free to re-roll)
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Implement RFC3695 Allow boolean literals as cfg predicates
This PR implements https://github.com/rust-lang/rfcs/pull/3695: allow boolean literals as cfg predicates, i.e. `cfg(true)` and `cfg(false)`.
r? `@nnethercote` *(or anyone with parser knowledge)*
cc `@clubby789`
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r=GuillaumeGomez
rustdoc: prevent ctors from resolving
Fixes #130591
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Dedicating a week to work on rustc-dev-guide.
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remove blank issue template
r? `@Noratrieb`
So there are currently two blank issue templates. One called "Blank Issue" and one called "Blank issue". Wildly different, of course. It seems that one is auto generated by GitHub, while the other one has an explicit template for it. This removes the explicit one so there's only one "Blank [iI]ssue" in the list. Unfortunately, the only way to test if it works is merging this and finding out, but it seems obvious that it would work.
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Disable jump threading `UnOp::Not` for non-bool
Fix #131195, where jumpthreading was optimizing `!a == b` into `a != b` for non-bool, where this is definitely not true.
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Merge `glb` and `lub` modules
Tons of code is duplicated across them, and it's easy to factor that out.
r? `@lcnr`
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Rollup of 7 pull requests
Successful merges:
- #131024 (Don't give method suggestions when method probe fails due to bad implementation of `Deref`)
- #131112 (TransmuteFrom: Gracefully handle unnormalized types and normalization errors)
- #131176 (.gitignore files for nix)
- #131183 (Refactoring to `OpaqueTyOrigin`)
- #131187 (Avoid ICE in coverage builds with bad `#[coverage(..)]` attributes)
- #131192 (Handle `rustc_query_impl` cases of `rustc::potential_query_instability` lint)
- #131197 (Avoid emptiness check in `PeekMut::pop`)
r? `@ghost`
`@rustbot` modify labels: rollup
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It's no longer necessary now that the `glb` and `lub` modules have been
merged.
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Most of the code in these two modules is duplicated in the other module.
This commit eliminates the duplication by replacing them with a new
module `lattice_op`. The new `LatticeOpKind` enum is used to distinguish
between glb and lub in the few places where the behaviour differs.
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Avoid emptiness check in `PeekMut::pop`
This PR avoids an unnecessary emptiness check in `PeekMut::pop` by replacing `Option::unwrap` with `Option::unwrap_unchecked`.
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ismailarilik:handle-potential-query-instability-lint-for-rustc-query-impl, r=compiler-errors
Handle `rustc_query_impl` cases of `rustc::potential_query_instability` lint
This PR removes `#![allow(rustc::potential_query_instability)]` line from [`compiler/rustc_query_impl/src/lib.rs`](https://github.com/rust-lang/rust/blob/master/compiler/rustc_query_impl/src/lib.rs#L5) <s>and converts `FxHash{Map,Set}` types into `FxIndex{Map,Set}` to suppress lint errors</s> (was not necessary for this PR).
A somewhat tracking issue: https://github.com/rust-lang/rust/issues/84447
r? ``@compiler-errors``
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Avoid ICE in coverage builds with bad `#[coverage(..)]` attributes
This code can sometimes witness malformed coverage attributes in builds that are going to fail, so use `span_delayed_bug` to avoid an inappropriate ICE in that case.
Fixes #127880.
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Refactoring to `OpaqueTyOrigin`
Pulled out of a larger PR that uses these changes to do cross-crate encoding of opaque origin, so we can use them for edition 2024 migrations. These changes should be self-explanatory on their own, tho 😄
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.gitignore files for nix
This adds support for direnv and nix flakes / nix shell. I'm not sure if we should have a working nix configuration though.
r? ``@noratrieb``
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TransmuteFrom: Gracefully handle unnormalized types and normalization errors
~~Refactor to share code between `TransmuteFrom`'s trait selection and error reporting code paths. Additionally normalizes the source and destination types, and gracefully handles normalization errors.~~
Fixes #130413
r? `@compiler-errors`
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Don't give method suggestions when method probe fails due to bad implementation of `Deref`
If we have a bad `Deref` impl, we used to bail with `MethodError::NoMatch`, which makes the error reporting code think that there was no applicable method (and thus try to suggest importing something, even if it's in scope).
Suppress this error, which fixes #131003.
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ismailarilik:handle_potential_query_instability_lint_for_rustc_metadata, r=compiler-errors
Handle `rustc_metadata` cases of `rustc::potential_query_instability` lint
This PR removes `#![allow(rustc::potential_query_instability)]` line from [`compiler/rustc_metadata/src/lib.rs`](https://github.com/rust-lang/rust/blob/master/compiler/rustc_metadata/src/lib.rs#L3) and converts `FxHash{Map,Set}` types into `FxIndex{Map,Set}` to suppress lint errors.
A somewhat tracking issue: https://github.com/rust-lang/rust/issues/84447
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Clippy subtree update
r? `@Manishearth`
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clippy-subtree-update
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