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Replace feature(never_type) with feature(exhaustive_patterns).
feature(exhaustive_patterns) only covers the pattern-exhaustives checks
that used to be covered by feature(never_type)
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Move ascii::escape_default to libcore
As requested in #46409, the `ascii::escape_default` method has been added to the core library. All I did was copy over the `std::ascii` module file, remove the (redundant) `AsciiExt` trait, and change some of the documentation to match. None of the tests were changed.
I wasn't sure how to handle the annotations. For `EscapeDefault` and `escape_default()`, I changed them to `#[unstable(feature = "core_ascii", issue = "46409")]`. Is that alright? Or should I leave them as they were?
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This commit updates rustc to embed bitcode in each object file generated by
default when compiling for iOS. This was determined in #35968 as a step
towards better compatibility with the iOS toolchain, so let's give it a spin and
see how it turns out!
Note that this also updates the `cc` dependency which should propagate this
change of embedding bitcode for C dependencies as well.
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* Pass `opt_level(2)` when calculating CFLAGS to get the right flags on iOS
* Unconditionally pass `-O2` when compiling libbacktrace
This should...
Close #48903
Close #48906
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Clarify interfaction between File::set_len and file cursor
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Required moving all fulldeps tests depending on `rand` to different locations as
now there's multiple `rand` crates that can't be implicitly linked against.
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As per issue #43601, types that can change size depending on the
target operating system should say so in their documentation.
I used this template when adding doc comments:
The size of a(n) <name> struct may vary depending on the target
operating system, and may change between Rust releases.
For enums, I used "instance" instead of "struct".
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r=joshtriplett
Modify part of `column!` documentation.
Just like `line!` documentation, I've replaced:
> The returned column is not the invocation of the `column!` macro itself
By
> The returned column is *not necessarily* the line of the `column!` invocation itself
See #46997.
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r=joshtriplett
Modify part of `line!` documentation.
In accordance with #46997, I've replaced:
> The returned line is not the invocation of the line! macro itself [...]
By
> The returned line is *not necessarily* the line of the `line!` invocation itself [...]
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Just like `line!` documentation, I've replaced:
> The returned column is not the invocation of the `column!` macro itself
By
> The returned column is *not necessarily* the line of the `column!` invocation itself
See #46997.
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In accordance with #46997, I've replaced:
> The returned line is not the invocation of the line! macro itself [...]
By
> The returned line is *not necessarily* the line of the `line!` invocation itself [...]
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r=alexcrichton
Implement FromStr for PathBuf
Closes #44431.
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Better docs and associated SUCCESS/FAILURE for process::ExitCode
Follow-up to https://github.com/rust-lang/rust/pull/48497#discussion_r170676525, since that PR was the minimal thing to unblock https://github.com/rust-lang/rust/issues/48453#issuecomment-368155082.
r? @nikomatsakis
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Stabilize FusedIterator
FusedIterator is a marker trait that promises that the implementing
iterator continues to return `None` from `.next()` once it has returned
`None` once (and/or `.next_back()`, if implemented).
The effects of FusedIterator are already widely available through
`.fuse()`, but with stable `FusedIterator`, stable Rust users can
implement this trait for their iterators when appropriate.
Closes #35602
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Add new warning for CStr::from_ptr
Fixes #48401.
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while let all the things
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Also fix a spelling mistake.
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Now begins the saga of fixing compilation errors on other platforms...
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std: Add `arch` and `simd` modules
This commit imports the `stdsimd` crate into the standard library,
creating an `arch` and `simd` module inside of both libcore and libstd.
Both of these modules are **unstable** and will continue to be so until
RFC 2335 is stabilized.
As a brief recap, the modules are organized as so:
* `arch` contains all current architectures with intrinsics, for example
`std::arch::x86`, `std::arch::x86_64`, `std::arch::arm`, etc. These
modules contain all of the intrinsics defined for the platform, like
`_mm_set1_epi8`.
* In the standard library, the `arch` module also exports a
`is_target_feature_detected` macro which performs runtime detection to
determine whether a target feature is available at runtime.
* The `simd` module contains experimental versions of strongly-typed
lane-aware SIMD primitives, to be fully fleshed out in a future RFC.
The main purpose of this commit is to start pulling in all these
intrinsics and such into the standard library on nightly and allow
testing and such. This'll help allow users to easily kick the tires and
see if intrinsics work as well as allow us to test out all the
infrastructure for moving the intrinsics into the standard library.
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FusedIterator is a marker trait that promises that the implementing
iterator continues to return `None` from `.next()` once it has returned
`None` once (and/or `.next_back()`, if implemented).
The effects of FusedIterator are already widely available through
`.fuse()`, but with stable `FusedIterator`, stable Rust users can
implement this trait for their iterators when appropriate.
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r=sfackler
Fixes #47311.
r? @nrc
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This commit imports the `stdsimd` crate into the standard library,
creating an `arch` and `simd` module inside of both libcore and libstd.
Both of these modules are **unstable** and will continue to be so until
RFC 2335 is stabilized.
As a brief recap, the modules are organized as so:
* `arch` contains all current architectures with intrinsics, for example
`std::arch::x86`, `std::arch::x86_64`, `std::arch::arm`, etc. These
modules contain all of the intrinsics defined for the platform, like
`_mm_set1_epi8`.
* In the standard library, the `arch` module also exports a
`is_target_feature_detected` macro which performs runtime detection to
determine whether a target feature is available at runtime.
* The `simd` module contains experimental versions of strongly-typed
lane-aware SIMD primitives, to be fully fleshed out in a future RFC.
The main purpose of this commit is to start pulling in all these
intrinsics and such into the standard library on nightly and allow
testing and such. This'll help allow users to easily kick the tires and
see if intrinsics work as well as allow us to test out all the
infrastructure for moving the intrinsics into the standard library.
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The relevant support was added in https://sourceware.org/bugzilla/show_bug.cgi?id=10354#c12
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Stabilize LocalKey::try_with
The `LocalKey::try_with` method is now stabilized.
`LocalKey::state` and `LocalKeyState` marked as deprecated. Although, is there any reason to keep them - should we perhaps remove them completely?
Closes #27716
r? @alexcrichton
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spawn() is expected to return an error if the specified file could not be
executed. FreeBSD's posix_spawn() supports returning ENOENT/ENOEXEC if
the exec() fails, which not all platforms support. This brings a very
significant performance improvement for FreeBSD, involving heavy use of
Command in threads, due to fork() invoking jemalloc fork handlers and
causing lock contention. FreeBSD's posix_spawn() avoids this problem
due to using vfork() internally.
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Fixes #47311.
r? @nrc
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Fixes #47311.
r? @nrc
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