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Rollup of 11 pull requests
Successful merges:
- rust-lang/rust#131923 (Derive `Copy` and `Hash` for `IntErrorKind`)
- rust-lang/rust#138340 (Remove some unsized tuple impls now that we don't support unsizing tuples anymore)
- rust-lang/rust#141219 (Change `{Box,Arc,Rc,Weak}::into_raw` to only work with `A = Global`)
- rust-lang/rust#142212 (bootstrap: validate `rust.codegen-backends` & `target.<triple>.codegen-backends`)
- rust-lang/rust#142237 (Detect more cases of unused_parens around types)
- rust-lang/rust#142964 (Attribute rework: a parser for single attributes without arguments)
- rust-lang/rust#143070 (Rewrite `macro_rules!` parser to not use the MBE engine itself)
- rust-lang/rust#143235 (Assemble const bounds via normal item bounds in old solver too)
- rust-lang/rust#143261 (Feed `explicit_predicates_of` instead of `predicates_of`)
- rust-lang/rust#143276 (loop match: handle opaque patterns)
- rust-lang/rust#143306 (Add `track_caller` attributes to trace origin of Clippy lints)
r? `@ghost`
`@rustbot` modify labels: rollup
try-job: aarch64-apple
try-job: x86_64-msvc-1
try-job: x86_64-gnu
try-job: dist-i586-gnu-i586-i686-musl
try-job: test-various
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if the link target is inferred
That is, do it for `[macro foo]`, but not for `[macro foo](macro foo)`.
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Rollup of 9 pull requests
Successful merges:
- rust-lang/rust#141847 (Explain `TOCTOU` on the top of `std::fs`, and reference it in functions)
- rust-lang/rust#142138 (Add `Vec::into_chunks`)
- rust-lang/rust#142321 (Expose elf abi on ppc64 targets)
- rust-lang/rust#142886 (ci: aarch64-gnu: Stop skipping `panic_abort_doc_tests`)
- rust-lang/rust#143194 (fix bitcast of single-element SIMD vectors)
- rust-lang/rust#143231 (Suggest use another lifetime specifier instead of underscore lifetime)
- rust-lang/rust#143232 ([COMPILETEST-UNTANGLE 3/N] Use "directives" consistently within compiletest)
- rust-lang/rust#143258 (Don't recompute `DisambiguatorState` for every RPITIT in trait definition)
- rust-lang/rust#143274 (ci: support optional jobs)
r? `@ghost`
`@rustbot` modify labels: rollup
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r=petrochenkov
Add `track_caller` attributes to trace origin of Clippy lints
This allows the use of `-Z track-diagnostics` to see the origin of Clippy lints emission, as is already the case for lints coming from rustc.
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[COMPILETEST-UNTANGLE 3/N] Use "directives" consistently within compiletest
Instead of using *both* "headers" and "directives" within compiletest to refer to the same thing. This of course induces some churn, but it's been bugging me for a while, and I rather do the self-consistency changes now than later.
The first commit tries to be mostly move-only to help per-file git history.
I intend to revisit rustc-dev-guide's testing docs, but I don't want to do it on rust-lang/rust side because it would need syncing and might conflict.
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Remove let_chains unstable feature
Per https://github.com/rust-lang/rust/issues/53667#issuecomment-3016742982 (but then I also noticed rust-lang/rust#140722)
This replaces the feature gate with a parser error that says let chains require 2024.
A lot of tests were using the unstable feature. I either added edition:2024 to the test or split out the parts that require 2024.
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This allows the use of `-Z track-diagnostics` to see the origin of
Clippy lints emission, as is already the case for lints coming from
rustc.
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Add tracing_chrome under "tracing" feature
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`iter_directives`} for self-consistency
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compiletest has confusingly two terminology to refer to the same concept
-- "headers" and "directives". To make this more self-consistent and
less confusing, stick with "directives" only.
This commit **intentionally** tries to be limited to move-only (modulo
some key usage reference renames) to help git history.
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Update stage0 to 1.89.0-beta.1
- Update version placeholders
- Update stage0 to 1.89.0-beta.1
- Update `STAGE0_MISSING_TARGETS`
- Update `cfg(bootstrap)`
r? `@Mark-Simulacrum`
try-job: dist-i586-gnu-i586-i686-musl
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Remove support for `dyn*` from the compiler
This PR removes support for `dyn*` (https://github.com/rust-lang/rust/issues/102425), which are a currently un-RFC'd experiment that was opened a few years ago to explore a component that we thought was necessary for AFIDT (async fn in dyn trait).
It doesn't seem like we are going to need `dyn*` types -- even in an not-exposed-to-the-user way[^1] -- for us to implement AFIDT. Given that AFIDT was the original motivating purpose of `dyn*` types, I don't really see a compelling reason to have to maintain their implementation in the compiler.
[^1]: Compared to, e.g., generators whih are an unstable building block we use to implement stable syntax like `async {}`.
We've learned quite a lot from `dyn*`, but I think at this point its current behavior leads to more questions than answers. For example, `dyn*` support today remains somewhat fragile; it ICEs in many cases where the current "normal" `dyn Trait` types rely on their unsizedness for their vtable-based implementation to be sound I wouldn't be surprised if it's unsound in other ways, though I didn't play around with it too much. See the examples below.
```rust
#![feature(dyn_star)]
trait Foo {
fn hello(self);
}
impl Foo for usize {
fn hello(self) {
println!("hello, world");
}
}
fn main() {
let x: dyn* Foo = 1usize;
x.hello();
}
```
And:
```rust
#![feature(dyn_star)]
trait Trait {
type Out where Self: Sized;
}
fn main() {
let x: <dyn* Trait as Trait>::Out;
}
```
...and probably many more problems having to do with the intersection of dyn-compatibility and `Self: Sized` bounds that I was too lazy to look into like:
* GATs
* Methods with invalid signatures
* Associated consts
Generally, `dyn*` types also end up getting in the way of working with [normal `dyn` types](https://github.com/rust-lang/rust/issues/102425#issuecomment-1712604409) to an extent that IMO outweighs the benefit of experimentation.
I recognize that there are probably other, more creative usages of `dyn*` that are orthogonal to AFIDT. However, I think any work along those lines should first have to think through some of the more fundamental interactions between `dyn*` and dyn-compatibility before we think about reimplementing them in the type system.
---
I'm planning on removing the `DynKind` enum and the `PointerLike` built-in trait from the compiler after this PR lands.
Closes rust-lang/rust#102425.
cc `@eholk` `@rust-lang/lang` `@rust-lang/types`
Closes rust-lang/rust#116979.
Closes rust-lang/rust#119694.
Closes rust-lang/rust#134591.
Closes rust-lang/rust#104800.
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Signed-off-by: Hayashi Mikihiro <34ttrweoewiwe28@gmail.com>
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Remove `ItemKind::descr` method
Follow-up of rust-lang/rust#143234.
After this PR is merged, it will remain two `descr` methods:
* `hir::GenericArg::descr`
* `hir::AssocItemConstraintKind::descr`
For both these enums, I don't think there is the right equivalent in `hir::DefKind` so unless I missed something, we can't remove these two methods because we can't convert these enums into `hir::DefKind`.
r? `@oli-obk`
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[COMPILETEST-UNTANGLE 2/N] Make some compiletest errors/warnings/help more visually obvious
This PR makes some compiletest errors/warnings/help more visually obvious. Note that this is only intended to help visually -- the error handling in compiletest is still a mess.
r? ghost
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`ItemKind::descr`
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Signed-off-by: Hayashi Mikihiro <34ttrweoewiwe28@gmail.com>
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Remove leaky synchronisation objects.
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Split exported_symbols for generic and non-generic symbols
This reduces metadata decoder overhead during the monomorphization collector.
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Prepare for rework done by the rest of RUST-142440.
Co-authored-by: Kivooeo <Kivooeo123@gmail.com>
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Signed-off-by: Hayashi Mikihiro <34ttrweoewiwe28@gmail.com>
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Signed-off-by: Hayashi Mikihiro <34ttrweoewiwe28@gmail.com>
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Signed-off-by: Hayashi Mikihiro <34ttrweoewiwe28@gmail.com>
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re-balance CI jobs
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./miri toolchain: no need to run 'cargo metadata'
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Rollup of 8 pull requests
Successful merges:
- rust-lang/rust#143125 (Disable f16 on Aarch64 without neon for llvm < 20.1.1)
- rust-lang/rust#143156 (inherit `#[align]` from trait method prototypes)
- rust-lang/rust#143178 (rustdoc default faviocon)
- rust-lang/rust#143234 (Replace `ItemCtxt::report_placeholder_type_error` match with a call to `TyCtxt::def_descr`)
- rust-lang/rust#143245 (mbe: Add tests and restructure metavariable expressions)
- rust-lang/rust#143257 (Upgrade dependencies in run-make-support)
- rust-lang/rust#143263 (linkify CodeSuggestion in doc comments)
- rust-lang/rust#143264 (fix: Emit suggestion filename if primary diagnostic span is dummy)
Failed merges:
- rust-lang/rust#143251 (bootstrap: add build.tidy-extra-checks option)
r? `@ghost`
`@rustbot` modify labels: rollup
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