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`libc::exit` or returns from `main`.
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Rollup of 7 pull requests
Successful merges:
- #126380 (Add std Xtensa targets support)
- #126636 (Resolve Clippy `f16` and `f128` `unimplemented!`/`FIXME`s )
- #126659 (More status-quo tests for the `#[coverage(..)]` attribute)
- #126711 (Make Option::as_[mut_]slice const)
- #126717 (Clean up some comments near `use` declarations)
- #126719 (Fix assertion failure for some `Expect` diagnostics.)
- #126730 (Add opaque type corner case test)
r? `@ghost`
`@rustbot` modify labels: rollup
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Make both `hint_assert_unchecked` and `const_hint_assert_unchecked`
stable as `hint_assert_unchecked`.
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Most modules have such a blank line, but some don't. Inserting the blank
line makes it clearer that the `//!` comments are describing the entire
module, rather than the `use` declaration(s) that immediately follows.
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This makes their intent and expected location clearer. We see some
examples where these comments were not clearly separate from `use`
declarations, which made it hard to understand what the comment is
describing.
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Edit from #126631 to revert changes on ui tests
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export std::os::fd module on HermitOS
The HermitOS' IO interface is similiar to Unix. Consequently, this PR synchronize the FD implementation between both.
closes #126198
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Document behavior of `create_dir_all` wrt. empty path
The behavior makes sense because `Path::new("one_component").parent() == Some(Path::new(""))`, so if one naively wants to create the parent directory for a file to be written, it simply works.
Closes #105108 by documenting the current behavior.
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Bump windows-bindgen to 0.57
This PR updates our generated Windows API bindings using the latest version of `windows-bindgen`.
The only change to the generated code is that `derive` is used for `Copy` and `Clone` instead of `impl`.
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As discovered by Mara in #110897, our TLS implementation is a total mess. In the past months, I have simplified the actual macros and their expansions, but the majority of the complexity comes from the platform-specific support code needed to create keys and register destructors. In keeping with #117276, I have therefore moved all of the `thread_local_key`/`thread_local_dtor` modules to the `thread_local` module in `sys` and merged them into a new structure, so that future porters of `std` can simply mix-and-match the existing code instead of having to copy the same (bad) implementation everywhere. The new structure should become obvious when looking at `sys/thread_local/mod.rs`.
Unfortunately, the documentation changes associated with the refactoring have made this PR rather large. That said, this contains no functional changes except for two small ones:
* the key-based destructor fallback now, by virtue of sharing the implementation used by macOS and others, stores its list in a `#[thread_local]` static instead of in the key, eliminating one indirection layer and drastically simplifying its code.
* I've switched over ZKVM (tier 3) to use the same implementation as WebAssembly, as the implementation was just a way worse version of that
Please let me know if I can make this easier to review! I know these large PRs aren't optimal, but I couldn't think of any good intermediate steps.
@rustbot label +A-thread-locals
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Rollup of 9 pull requests
Successful merges:
- #125829 (rustc_span: Add conveniences for working with span formats)
- #126361 (Unify intrinsics body handling in StableMIR)
- #126417 (Add `f16` and `f128` inline ASM support for `x86` and `x86-64`)
- #126424 ( Also sort `crt-static` in `--print target-features` output)
- #126428 (Polish `std::path::absolute` documentation.)
- #126429 (Add `f16` and `f128` const eval for binary and unary operationations)
- #126448 (End support for Python 3.8 in tidy)
- #126488 (Use `std::path::absolute` in bootstrap)
- #126511 (.mailmap: Associate both my work and my private email with me)
r? `@ghost`
`@rustbot` modify labels: rollup
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These changes bring it closer to other standard library documentation
and, in particular, `std::fs::canonicalize`, which it will often be
compared with.
* Add `# Platform-specific behavior` section, with content moved from
Examples section.
* Create `# Errors` section.
* Phrase error description to allow future platforms to have new
syntactic errors, rather than only emptiness.
* Add missing commas.
* Indent example code 4 spaces.
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Rollup of 7 pull requests
Successful merges:
- #123769 (Improve escaping of byte, byte str, and c str proc-macro literals)
- #126054 (`E0229`: Suggest Moving Type Constraints to Type Parameter Declaration)
- #126135 (add HermitOS support for vectored read/write operations)
- #126266 (Unify guarantees about the default allocator)
- #126285 (`UniqueRc`: support allocators and `T: ?Sized`.)
- #126399 (extend the check for LLVM build)
- #126426 (const validation: fix ICE on dangling ZST reference)
r? `@ghost`
`@rustbot` modify labels: rollup
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Unify guarantees about the default allocator
`std::alloc` said that the default allocator is unspecified for all crrate types except `cdylib` and `staticlib`. Adjust `std::alloc::System` documentation to say the same.
Fixes #125870.
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add HermitOS support for vectored read/write operations
In general, the I/O interface of hermit-abi is revised and now a more POSIX-like interface. Consequently, platform abstraction layer for HermitOS has slightly adjusted and some inaccuracies remove.
Hermit is a tier 3 platform and this PR changes only files, wich are related to the tier 3 platform.
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std::unix::fs::link using direct linkat call for Solaris.
Since we support solaris 11 as minimum, we can get rid of the runtime overhead.
try-job: dist-various-2
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Clarify `Command::new` behavior for programs with arguments
I mistakenly passed program path along arguments as the same string into `Command::new` a couple of times now. It might be useful to explicitly highlight that `Command::new` intends to accept path to a program, not path to a program plus arguments. Also nudge the user to use `Command::arg` or `Command::args` if they wish to pass arguments.
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Since we support solaris 11 and macOs Sierra as minimum, we can get rid
of the runtime overhead.
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The HermitOS' IO interface is similiar to Unix. Consequently,
this PR synchronize the FD implementation between both.
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Bump stage0 to 1.80.0
r? `@Mark-Simulacrum`
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Follow up to splitting core's PanicInfo and std's PanicInfo
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Promote `arm64ec-pc-windows-msvc` to tier 2
MCP: <https://github.com/rust-lang/compiler-team/issues/746>
* Update platform support docs
* Add `arm64ec-pc-windows-msvc` as a target to the existing AArch64 Windows build in CI.
* Fix docs build break.
* Add `arm64ec-pc-windows-msvc` to build manifest.
CI build (succeeded, but upload to S3 failed): <https://github.com/rust-lang/rust/actions/runs/9388227822/job/25853013083?pr=126039>
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Rollup of 16 pull requests
Successful merges:
- #123374 (DOC: Add FFI example for slice::from_raw_parts())
- #124514 (Recommend to never display zero disambiguators when demangling v0 symbols)
- #125978 (Cleanup: HIR ty lowering: Consolidate the places that do assoc item probing & access checking)
- #125980 (Nvptx remove direct passmode)
- #126187 (For E0277 suggest adding `Result` return type for function when using QuestionMark `?` in the body.)
- #126210 (docs(core): make more const_ptr doctests assert instead of printing)
- #126249 (Simplify `[T; N]::try_map` signature)
- #126256 (Add {{target}} substitution to compiletest)
- #126263 (Make issue-122805.rs big endian compatible)
- #126281 (set_env: State the conclusion upfront)
- #126286 (Make `storage-live.rs` robust against rustc internal changes.)
- #126287 (Update a cranelift patch file for formatting changes.)
- #126301 (Use `tidy` to sort crate attributes for all compiler crates.)
- #126305 (Make PathBuf less Ok with adding UTF-16 then `into_string`)
- #126310 (Migrate run make prefer rlib)
- #126314 (fix RELEASES: we do not support upcasting to auto traits)
r? `@ghost`
`@rustbot` modify labels: rollup
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workingjubilee:fix-os-string-to-string-utf8-invariant, r=joboet
Make PathBuf less Ok with adding UTF-16 then `into_string`
Fixes #126291 which is, as far as I can tell, a regression introduced by #96869.
try-job: x86_64-msvc
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Update a cranelift patch file for formatting changes.
PR #125443 will reformat all the use declarations in the repo. This would break a patch kept in `rustc_codegen_cranelift` that gets applied to `library/std/src/sys/pal/windows/rand.rs`.
So this commit formats the use declarations in `library/std/src/sys/pal/windows/rand.rs` in advance of #125443 and updates the patch file accordingly.
The motivation is that #125443 is a huge change and we want to get fiddly little changes like this out of the way so it can be nothing more than an `x fmt --all`.
r? ``@bjorn3``
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set_env: State the conclusion upfront
People tend to skim or skip over long explanations so we should be very upfront that `set_var` and `remove_var` are being made unsafe for a very good reason.
This is just the conclusion restated almost verbatim but earlier in the docs and separated from the explanation:
https://github.com/rust-lang/rust/blob/0c960618b56f662d933e8b864cd9632a99174e87/library/std/src/env.rs#L338-L339
I think this may help with people who may not be entirely comfortable with #125937 being rejected.
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hidden type
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PR #125443 will reformat all the use declarations in the repo. This
would break a patch kept in `rustc_codegen_cranelift` that gets applied
to `library/std/src/sys/pal/windows/rand.rs`.
So this commit formats the use declarations in
`library/std/src/sys/pal/windows/rand.rs` in advance of #125443 and
updates the patch file accordingly.
The motivation is that #125443 is a huge change and we want to get
fiddly little changes like this out of the way so it can be nothing more
than an `x fmt --all`.
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`std::alloc` said that the default allocator is unspecified for all
crrate types except `cdylib` and `staticlib`. Adjust
`std::alloc::System` documentation to say the same.
Fixes #125870.
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