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Rollup of 8 pull requests
Successful merges:
- #133151 (Trim extra whitespace in fn ptr suggestion span)
- #133829 (Implement `AtomicT::update` & `AtomicT::try_update`)
- #135367 (Enable `unreachable_pub` lint in `alloc`)
- #135748 (Lower index bounds checking to `PtrMetadata`, this time with the right fake borrow semantics 😸)
- #135805 (Add missing allocator safety in alloc crate)
- #135886 (Document purpose of closure in from_fn.rs more clearly)
- #135961 (Fix 2/4 tests skipped by opt-dist)
- #136012 (Document powf and powi values that are always 1.0)
r? `@ghost`
`@rustbot` modify labels: rollup
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- While working on process env support, I found that args were currently
broken. Not sure how I missed it in the PR, but well here is the fix.
- Additionally, no point in adding space at the end of args.
Signed-off-by: Ayush Singh <ayush@beagleboard.org>
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Document powf and powi values that are always 1.0
fixes bug #90429
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Fix 2/4 tests skipped by opt-dist
The linker errors were because this one test, strangely, wants itself compiled with `-Ctarget-features=+crt-static`, and yet it looks like the runner image is simply missing static libraries for libc and libm.
Eyeballing the output of
```
rustc +nightly --target=x86_64-pc-windows-msvc -O tests/codegen/vec-shrink-panik.rs --emit=llvm-ir
```
suggests that vec-shrink-panik should pass on Windows. And it's quite disturbing that such a test would have failed only on Windows to start with. Exactly why that was would require some advanced digging, but it looks clean now.
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Document purpose of closure in from_fn.rs more clearly
partial fix for #135087 together with https://github.com/rust-lang/rust/pull/135895
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Add missing allocator safety in alloc crate
### PR Description
In the previous PR [#135009](https://github.com/rust-lang/rust/pull/135009), PR [#134496](https://github.com/rust-lang/rust/pull/134496), some incomplete API documentation issues have been fixed.
Based on these changes, other inconsistencies related to the allocator have also been identified, including:
- `Box::from_non_null`
- `Box::from_non_null_in`
- `Weak::from_raw`
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Lower index bounds checking to `PtrMetadata`, this time with the right fake borrow semantics 😸
Change `Rvalue::RawRef` to take a `RawRefKind` instead of just a `Mutability`. Then introduce `RawRefKind::FakeForPtrMetadata` and use that for lowering index bounds checking to a `PtrMetadata`. This new `RawRefKind::FakeForPtrMetadata` acts like a shallow fake borrow in borrowck, which mimics the semantics of the old `Rvalue::Len` operation we're replacing.
We can then use this `RawRefKind` instead of using a span desugaring hack in CTFE.
cc ``@scottmcm`` ``@RalfJung``
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Enable `unreachable_pub` lint in `alloc`
This PR enables the [`unreachable_pub`](https://doc.rust-lang.org/rustc/lints/listing/allowed-by-default.html#unreachable-pub) lint as warn in the `alloc` crate.
Most of changes are in the btree implementation and in tests.
*The diff was mostly generated with `./x.py fix --stage 1 library/alloc/ -- --broken-code`, as well as manual edits for code in macros and in tests.*
Continuation of #134286 and #135366
r? libs
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Implement `AtomicT::update` & `AtomicT::try_update`
ACP accepted in https://github.com/rust-lang/libs-team/issues/490
``@rustbot`` label +T-libs-api
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Trim extra whitespace in fn ptr suggestion span
Trim extra whitespace when suggesting removal of invalid qualifiers when parsing function pointer type.
Fixes: #133083
---
I made a comment about the format of the diagnostic error message in https://github.com/rust-lang/rust/issues/133083#issuecomment-2480047875. I think the `.label` may be a little redundant if the diagnostic only highlights the bad qualifier instead of the entire `TyKind::BareFn` span. If it makes sense, I can include it in this PR.
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platform-independent
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Co-authored-by: Ralf Jung <post@ralfj.de>
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Currently, the CI pipeline triggers `Lintcheck` for all PRs. However,
this check takes significant amount of time and seems unnecessary for
some certain directories that are frequently updated.
r? flip1995
changelog: none
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Remove -Zinline-in-all-cgus and clean up tests/codegen-units/
Implementation of https://github.com/rust-lang/compiler-team/issues/814
I've taken some liberties with cleaning up the CGU partitioning tests, because that's the only place this flag was used and also mattered. I've often fought a lot with the contents of `tests/codegen-units` and it has never been clear to me when a test failure indicates a problem with my changes as opposed to a test just needing to be manually blessed. Hopefully the combination of the new README, new comments, and using `-Zprint-mono-items=lazy` in the partitioning tests improves that.
I've also deleted some of the `tests/run-make/sepcomp` tests. I think all the "sepcomp" tests have been obviated for years by better-designed (less flaky, clearer failures) test suites, but here I'm just deleting the ones I'm confident in.
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Add a new lint `doc_overindented_list_items` to detect and fix list
items
in docs that are overindented.
For example,
```rs
/// - first line
/// second line
fn foo() {}
```
this would be fixed to:
```rs
/// - first line
/// second line
fn foo() {}
```
This lint improves readabiliy and consistency in doc.
---
- \[x] Followed [lint naming conventions][lint_naming]
- \[x] Added passing UI tests (including committed `.stderr` file)
- \[x] `cargo test` passes locally
- \[x] Executed `cargo dev update_lints`
- \[x] Added lint documentation
- \[x] Run `cargo dev fmt`
[lint_naming]:
https://rust-lang.github.io/rfcs/0344-conventions-galore.html#lints
changelog: [`doc_overindented_list_items`]: Added a new lint that
detects overindented list items in docs
fixes: #13601
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Add a new lint `doc_overindented_list_items` to detect and fix list items
in docs that are overindented.
For example,
```rs
/// - first line
/// second line
fn foo() {}
```
this would be fixed to:
```rs
/// - first line
/// second line
fn foo() {}
```
This lint improves readabiliy and consistency in doc.
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fix #14034
The currect implementation of `obfuscated_if_else` sometimes makes
incorrect suggestions when the original code have side effects (see the
example in the above issue). I think this can be fixed by changing the
applicability depending on whether it can have side effects or not.
changelog: [`obfuscated_if_else`]: change applicability when the
original code can have side effects
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Windows x86: Change i128 to return via the vector ABI
Clang and GCC both return `i128` in xmm0 on windows-msvc and windows-gnu. Currently, Rust returns the type on the stack. Add a calling convention adjustment so we also return scalar `i128`s using the vector ABI, which makes our `i128` compatible with C.
In the future, Clang may change to return `i128` on the stack for its `-msvc` targets (more at [1]). If this happens, the change here will need to be adjusted to only affect MinGW.
Link: https://github.com/rust-lang/rust/issues/134288 (does not fix) [1]
try-job: x86_64-msvc
try-job: x86_64-msvc-ext1
try-job: x86_64-mingw-1
try-job: x86_64-mingw-2
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These are very bare-bones, only intended to provide some documentation
of what these feature gates are and aren't yet implementing.
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Fix rustc-pull CI's bash commands
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than silently enabling them)
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By nobuild, I mean that the type annotations are all in comments,
not in the "native" typescript syntax. This is a bit uglier,
but it lets you rapid-prototype without tsc, works with all
the native browser debugging tools, and keeps Node out of Rust's
bootstrap chain.
This pull request mostly just adds ts-ignore annotations
and type declarations. To actually take good advantage of
typescript, we'll want to "burn down" this pile of unsafe code
until we eventually have a version with almost none of these.
This PR also adds tsc to the mingw-check Dockerfile, so that
it can't fall out of date like the Closure annotations did.
https://rust-lang.zulipchat.com/#narrow/channel/266220-t-rustdoc/topic/typescript
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r=davidtwco,RalfJung"
This reverts commit 122a55bb442bd1995df9cf9b36e6f65ed3ef4a1d.
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I opened https://github.com/rust-lang/rust-clippy/pull/13896 before.
However, I found that there're more cases where Clippy suggests to use
modules that belong to the `std` crate even in a `no_std` environment.
Therefore, this PR include the changes I've made in #13896 and new
changes to fix cases I found this time to prevent wrong suggestions in
`no_std` environments as well.
changelog: [`redundant_closure`]: correct suggestion in `no_std`
changelog: [`repeat_vec_with_capacity`]: correct suggestion in `no_std`
changelog: [`single_range_in_vec_init`]: don't emit suggestion to use
`Vec` in `no_std`
changelog: [`drain_collect`]: correct suggestion in `no_std`
changelog: [`map_with_unused_argument_over_ranges`]: correct suggestion
in `no_std`
also close #13895
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