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Pkgsrc changes:
* adapt patches (libc crate version bump)
* no longer pass -I/usr/pkg/include through via gcc-wrap script.
Attempt at fixing version skew with curl package vs. internal
version of curl.
* new checksums
Upstream changes:
Version 1.62.0 (2022-06-30)
==========================
Language
--------
- [Stabilize `#[derive(Default)]` on enums with a `#[default]` variant][94457]
- [Stop validating some checks in dead code after functions with
uninhabited return types][93313]
- [Fix constants not getting dropped if part of a diverging expression][94775]
- [Support unit struct/enum variant in destructuring assignment][95380]
- [Remove mutable_borrow_reservation_conflict lint and allow the
code pattern][96268]
Compiler
--------
- [linker: Stop using whole-archive on dependencies of dylibs][96436]
- [Make `unaligned_references` lint deny-by-default][95372]
This lint is also a future compatibility lint, and is expected to eventually
become a hard error.
- [Only add codegen backend to dep info if -Zbinary-dep-depinfo is used][93969]
- [Reject `#[thread_local]` attribute on non-static items][95006]
- [Add tier 3 `aarch64-pc-windows-gnullvm` and `x86_64-pc-windows-gnullvm`
targets\*][94872]
- [Implement a lint to warn about unused macro rules][96150]
- [Promote `x86_64-unknown-none` target to Tier 2\*][95705]
\* Refer to Rust's [platform support page][platform-support-doc] for more
information on Rust's tiered platform support.
Libraries
---------
- [Move `CStr` to libcore, and `CString` to liballoc][94079]
- [Windows: Use a pipe relay for chaining pipes][95841]
- [Replace Linux Mutex and Condvar with futex based ones.][95035]
- [Replace RwLock by a futex based one on Linux][95801]
- [std: directly use pthread in UNIX parker implementation][96393]
Stabilized APIs
---------------
- [`bool::then_some`]
- [`f32::total_cmp`]
- [`f64::total_cmp`]
- [`Stdin::lines`]
- [`windows::CommandExt::raw_arg`]
- [`impl<T: Default> Default for AssertUnwindSafe<T>`]
- [`From<Rc<str>> for Rc<[u8]>`][rc-u8-from-str]
- [`From<Arc<str>> for Arc<[u8]>`][arc-u8-from-str]
- [`FusedIterator for EncodeWide`]
- [RDM intrinsics on aarch64][stdarch/1285]
Clippy
------
- [Create clippy lint against unexpectedly late drop for temporaries
in match scrutinee expressions][94206]
Cargo
-----
- Added the `cargo add` command for adding dependencies to `Cargo.toml` from
the command-line.
[docs](https://doc.rust-lang.org/nightly/cargo/commands/cargo-add.html)
- Package ID specs now support `name@version` syntax in addition to the
previous `name:version` to align with the behavior in `cargo add` and other
tools. `cargo install` and `cargo yank` also now support this syntax so the
version does not need to passed as a separate flag.
- The `git` and `registry` directories in Cargo's home directory (usually
`~/.cargo`) are now marked as cache directories so that they are not
included in backups or content indexing (on Windows).
- Added automatic `@` argfile support, which will use "response files" if the
command-line to `rustc` exceeds the operating system's limit.
Compatibility Notes
-------------------
- `cargo test` now passes `--target` to `rustdoc` if the specified target is
the same as the host target.
[#10594](rust-lang/cargo#10594)
- [rustdoc: Remove .woff font files][96279]
- [Enforce Copy bounds for repeat elements while considering lifetimes][95819]
Internal Changes
----------------
- [Unify ReentrantMutex implementations across all platforms][96042]
These changes provide no direct user facing benefits, but represent
significant improvements to the internals and overall performance
of rustc and related tools.
[93313]: rust-lang/rust#93313
[93969]: rust-lang/rust#93969
[94079]: rust-lang/rust#94079
[94206]: rust-lang/rust#94206
[94457]: rust-lang/rust#94457
[94775]: rust-lang/rust#94775
[94872]: rust-lang/rust#94872
[95006]: rust-lang/rust#95006
[95035]: rust-lang/rust#95035
[95372]: rust-lang/rust#95372
[95380]: rust-lang/rust#95380
[95431]: rust-lang/rust#95431
[95705]: rust-lang/rust#95705
[95801]: rust-lang/rust#95801
[95819]: rust-lang/rust#95819
[95841]: rust-lang/rust#95841
[96042]: rust-lang/rust#96042
[96150]: rust-lang/rust#96150
[96268]: rust-lang/rust#96268
[96279]: rust-lang/rust#96279
[96393]: rust-lang/rust#96393
[96436]: rust-lang/rust#96436
[96557]: rust-lang/rust#96557
[`bool::then_some`]: https://doc.rust-lang.org/stable/std/primitive.bool.html#method.then_some
[`f32::total_cmp`]: https://doc.rust-lang.org/stable/std/primitive.f32.html#method.total_cmp
[`f64::total_cmp`]: https://doc.rust-lang.org/stable/std/primitive.f64.html#method.total_cmp
[`Stdin::lines`]: https://doc.rust-lang.org/stable/std/io/struct.Stdin.html#method.lines
[`impl<T: Default> Default for AssertUnwindSafe<T>`]: https://doc.rust-lang.org/stable/std/panic/struct.AssertUnwindSafe.html#impl-Default
[rc-u8-from-str]: https://doc.rust-lang.org/stable/std/rc/struct.Rc.html#impl-From%3CRc%3Cstr%3E%3E
[arc-u8-from-str]: https://doc.rust-lang.org/stable/std/sync/struct.Arc.html#impl-From%3CArc%3Cstr%3E%3E
[stdarch/1285]: rust-lang/stdarch#1285
[`windows::CommandExt::raw_arg`]: https://doc.rust-lang.org/stable/std/os/windows/process/trait.CommandExt.html#tymethod.raw_arg
[`FusedIterator for EncodeWide`]: https://doc.rust-lang.org/stable/std/os/windows/ffi/struct.EncodeWide.html#impl-FusedIterator
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