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In 136324 the doctest for `f16::erf()` was gated with
`reliable_f16_math`. Add the same gate on `f16::erfc()` to
avoid:
rust_out.71e2e529d20ea47d-cgu.0:\
(.text._ZN8rust_out4main43_doctest_main_library_std_src_f16_rs_1321_017h485f3ffe6bf2a981E+0x38): \
undefined reference to `__gnu_h2f_ieee'
on MIPS (and maybe other architectures).
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Use `const_error!` when possible
Replace usages of `io::Error::new(io::ErrorKind::Variant, "constant string")` with `io::const_error!(io::ErrorKind::Variant, "constant string")` to avoid allocations when possible. Additionally, fix `&&str` error messages in SGX and missing/misplaced trailing commas in `const_error!`.
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* Order items as the average of the two adaptors. Enables easier diffs.
* Consistently apply #[inline].
* Implement FromInner<Vec<u8>> for bytes::Buf.
* Implement Clone::clone_from for wtf8::Buf.
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Apply unsafe_op_in_unsafe_fn to the standard library
This applies unsafe_op_in_unsafe_fn to the standard library in preparation for updating to Rust 2024.
Closes https://github.com/rust-lang/rust/issues/127747 (I think?) cc ``@workingjubilee``
I have been testing a variety of targets, and I feel like they are all pretty much covered. I'll continue doing some testing async, but I don't expect to catch any more.
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Rollup of 9 pull requests
Successful merges:
- #135687 (re-export `FromCoroutine` from `core::iter`)
- #135813 (CI: split i686-mingw job to three free runners)
- #136749 (Implement Extend<AsciiChar> for String)
- #136879 (Add safe new() to NotAllOnes)
- #136978 (Windows: Update generated bindings)
- #137028 (mir_build: Clarify some code for lowering `hir::PatExpr` to THIR)
- #137029 (Remove unnecessary check code in unused_delims)
- #137056 (made check_argument_compat public for use in miri)
- #137062 (Forward all default methods for I/O impls)
r? `@ghost`
`@rustbot` modify labels: rollup
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r=workingjubilee
Forward all default methods for I/O impls
Forward all default methods for `&mut T` and `Box<T>` to the inner `io::Read`, `io::Write`, `io::Seek`, and `io::BufRead` types.
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Windows: Update generated bindings
Update to windows-bindgen 0.59.
This update is aimed at reducing churn in the future, but means a bit more churn now:
- `bindings.txt` no longer needs us to write the namespace for each item. This is good because it means in the future we won't need to change them if the namespace changes. However, there are a few where we still need to disambiguate due to duplicate items (this is a bug in the upstream metadata).
- The output in `windows-sys.rs` is now sorted. It was mostly sorted before but not intentionally. This should mean future changes are less noisy.
The actual code changes are minimal here. A few types are now `bool` instead of `BOOLEAN`, which is more convenient.
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Add safe new() to NotAllOnes
Replaces duplicated `unsafe` code with a single, easier to verify implementation.
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Implement `f{16,32,64,128}::{erf,erfc}` (`#![feature(float_erf)]`)
Tracking issue: #136321
try-job: x86_64-gnu-aux
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Prepare standard library for Rust 2024 migration
This includes a variety of commits preparing the standard library for migration to Rust 2024.
The actual migration is blocked on a few things, so I wanted to get this out of the way in a relatively digestable PR.
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These functions were changed to be safe in
https://github.com/rust-lang/rust/pull/127763, but this particular UWP
version was missed. Otherwise this causes unnecessary unsafe block
warnings/errors.
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Use `slice::fill` in `io::Repeat` implementation
Use the existing `fill` methods on slices instead of manually writing the fill loop.
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Remove the common prelude module
This fixes the issues described in https://github.com/rust-lang/rust/issues/136102. Primarily, this resolves some issues with how the documentation for the prelude is generated:
- It avoids showing "unstable" for macros in the prelude that are actually stable.
- Avoids duplication of some pages due to the previous lack of `doc(no_inline)`.
- Makes the different edition preludes consistent, and sets a pattern that can be used by future editions.
We may need to rearrange these modules in the future if we decide to remove anything from the prelude again. If we do, I think we should look into a different solution that avoids the documentation problems.
Closes https://github.com/rust-lang/rust/issues/136102
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Correct comment for FreeBSD and DragonFly BSD in unix/thread
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[AIX] expect `EINVAL` for `pthread_mutex_destroy`
Calling `pthread_mutex_destory` on a mutex initalized with the static initializer macro `PTHREAD_MUTEX_INITIALIZER` will result in `EINVAL` if the mutex is not lock/unlocked prior to calling `pthread_mutex_destroy`.
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Also add
```rust
// #[unstable(feature = "float_gamma", issue = "99842")]
```
to `gamma`-function-related methods on `f16` & `f128`,
as per https://github.com/rust-lang/rust/pull/136324#issuecomment-2626270247
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This generates a warning of irrefutable patterns. I decided to slightly
tweak the example so the closure returns unit, since the intent wasn't
to show the weird behavior of returning `!`.
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Stabilize `get_many_mut` as `get_disjoint_mut`
Tracking issue: #104642
Closes #104642
FCP completed in https://github.com/rust-lang/rust/issues/104642#issuecomment-2558161073
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Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>
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Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>
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Use the existing `fill` methods on slices instead of manually
writing the fill loop.
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Fix import in bench for wasm
This import was causing annoying unused import errors when checking the standard library for some wasm targets. The problem is that everything here is disabled if it is wasm32, but this import wasn't cfg'd.
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Add diagnostic item for `std::io::BufRead`
This will be used in Clippy to detect unbuffered calls to `Read::bytes()`.
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Implement `read*_exact` for `std:io::repeat`
cc #136756
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std: replace the `FromInner` implementation for addresses with private conversion functions
Having these implementation available crate-wide means that platforms not using sockets for their networking code have to stub out the libc definitions required to support them. This PR moves the conversions to private helper functions that are only available where actually needed.
I also fixed the signature of the function converting from a C socket address to a Rust one: taking a reference to a `sockaddr_storage` resulted in unsound usage inside `LookupHost::next`, which could create a reference to a structure smaller than `sockaddr_storage`. Thus I've replaced the argument type with a pointer and made the function `unsafe`.
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This will be used in Clippy to detect unbuffered calls to
`Read::bytes()`.
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conversion functions
Having these implementation available crate-wide means that platforms not using sockets for their networking code have to stub out the libc definitions required to support them. This PR moves the conversions to private helper functions that are only available where actually needed.
I also fixed the signature of the function converting from a C socket address to a Rust one: taking a reference to a `sockaddr_storage` resulted in unsound usage inside `LookupHost::next`, which could create a reference to a structure smaller than `sockaddr_storage`. Thus I've replaced the argument type with a pointer and made the function `unsafe`.
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Rollup of 8 pull requests
Successful merges:
- #134981 ( Explain that in paths generics can't be set on both the enum and the variant)
- #136698 (Replace i686-unknown-redox target with i586-unknown-redox)
- #136767 (improve host/cross target checking)
- #136829 ([rustdoc] Move line numbers into the `<code>` directly)
- #136875 (Rustc dev guide subtree update)
- #136900 (compiler: replace `ExternAbi::name` calls with formatters)
- #136913 (Put kobzol back on review rotation)
- #136915 (documentation fix: `f16` and `f128` are not double-precision)
r? `@ghost`
`@rustbot` modify labels: rollup
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Revert "Stabilize `extended_varargs_abi_support`"
I cannot find an FCP for this, despite it being a stabilization PR which normally means we do an FCP of some kind? It would seem reasonable for _either_ compiler or lang to have FCPed it? I am thus opening a revert PR, which mostly-cleanly applies, so that we can later actually land this properly with a stability report and FCP.
- https://github.com/rust-lang/rust/issues/136896
- https://github.com/rust-lang/rust/pull/116161
- https://github.com/rust-lang/rust/issues/100189
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And leave a comment on the unusual `cfg_attr`
Co-authored-by: waffle <waffle.lapkin@gmail.com>
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This feature is intended to provide expensive but thorough help for
developers who have an unexpected `TypeId` value and need to determine
what type it actually is. It causes `impl Debug for TypeId` to print
the type name in addition to the opaque ID hash, and in order to do so,
adds a name field to `TypeId`. The cost of this is the increased size of
`TypeId` and the need to store type names in the binary; therefore, it
is an optional feature.
It may be enabled via `cargo -Zbuild-std -Zbuild-std-features=debug_typeid`.
(Note that `-Zbuild-std-features` disables default features which you
may wish to reenable in addition; see
<https://doc.rust-lang.org/cargo/reference/unstable.html#build-std-features>.)
Example usage and output:
```
fn main() {
use std::any::{Any, TypeId};
dbg!(TypeId::of::<usize>(), drop::<usize>.type_id());
}
```
```
TypeId::of::<usize>() = TypeId(0x763d199bccd319899208909ed1a860c6 = usize)
drop::<usize>.type_id() = TypeId(0xe6a34bd13f8c92dd47806da07b8cca9a = core::mem::drop<usize>)
```
Also added feature declarations for the existing `debug_refcell` feature
so it is usable from the `rust.std-features` option of `config.toml`.
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This reverts commit 685f189b4307435b83d625fea397ef36dff4e955.
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This fixes the issues described in
https://github.com/rust-lang/rust/issues/136102. Primarily, this
resolves some issues with how the documentation for the prelude is
generated:
- It avoids showing "unstable" for macros in the prelude that are
actually stable.
- Avoids duplication of some pages due to the previous lack of
`doc(no_inline)`.
- Makes the different edition preludes consistent, and sets a pattern
that can be used by future editions.
We may need to rearrange these modules in the future if we decide to
remove anything from the prelude again. If we do, I think we should look
into a different solution that avoids the documentation problems.
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