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chore: bump up rustc version to v1.78.0 (#6813)
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This PR contains the following updates:
| Package | Update | Change |
|---|---|---|
| [rustc](https://togithub.com/rust-lang/rust) | minor | `1.77.2` -> `1.78.0` |
---
### Release Notes
<details>
<summary>rust-lang/rust (rustc)</summary>
### [`v1.78.0`](https://togithub.com/rust-lang/rust/blob/HEAD/RELEASES.md#Version-1780-2024-05-02)
[Compare Source](https://togithub.com/rust-lang/rust/compare/1.77.2...1.78.0)
\==========================
<a id="1.78.0-Language"></a>
## Language
- [Stabilize `#[cfg(target_abi = ...)]`](https://togithub.com/rust-lang/rust/pull/119590/)
- [Stabilize the `#[diagnostic]` namespace and `#[diagnostic::on_unimplemented]` attribute](https://togithub.com/rust-lang/rust/pull/119888/)
- [Make async-fn-in-trait implementable with concrete signatures](https://togithub.com/rust-lang/rust/pull/120103/)
- [Make matching on NaN a hard error, and remove the rest of `illegal_floating_point_literal_pattern`](https://togithub.com/rust-lang/rust/pull/116284/)
- [static mut: allow mutable reference to arbitrary types, not just slices and arrays](https://togithub.com/rust-lang/rust/pull/117614/)
- [Extend `invalid_reference_casting` to include references casting to bigger memory layout](https://togithub.com/rust-lang/rust/pull/118983/)
- [Add `non_contiguous_range_endpoints` lint for singleton gaps after exclusive ranges](https://togithub.com/rust-lang/rust/pull/118879/)
- [Add `wasm_c_abi` lint for use of older wasm-bindgen versions](https://togithub.com/rust-lang/rust/pull/117918/)
This lint currently only works when using Cargo.
- [Update `indirect_structural_match` and `pointer_structural_match` lints to match RFC](https://togithub.com/rust-lang/rust/pull/120423/)
- [Make non-`PartialEq`-typed consts as patterns a hard error](https://togithub.com/rust-lang/rust/pull/120805/)
- [Split `refining_impl_trait` lint into `_reachable`, `_internal` variants](https://togithub.com/rust-lang/rust/pull/121720/)
- [Remove unnecessary type inference when using associated types inside of higher ranked `where`-bounds](https://togithub.com/rust-lang/rust/pull/119849)
- [Weaken eager detection of cyclic types during type inference](https://togithub.com/rust-lang/rust/pull/119989)
- [`trait Trait: Auto {}`: allow upcasting from `dyn Trait` to `dyn Auto`](https://togithub.com/rust-lang/rust/pull/119338)
<a id="1.78.0-Compiler"></a>
## Compiler
- [Made `INVALID_DOC_ATTRIBUTES` lint deny by default](https://togithub.com/rust-lang/rust/pull/111505/)
- [Increase accuracy of redundant `use` checking](https://togithub.com/rust-lang/rust/pull/117772/)
- [Suggest moving definition if non-found macro_rules! is defined later](https://togithub.com/rust-lang/rust/pull/121130/)
- [Lower transmutes from int to pointer type as gep on null](https://togithub.com/rust-lang/rust/pull/121282/)
Target changes:
- [Windows tier 1 targets now require at least Windows 10](https://togithub.com/rust-lang/rust/pull/115141/)
- [Enable CMPXCHG16B, SSE3, SAHF/LAHF and 128-bit Atomics in tier 1 Windows](https://togithub.com/rust-lang/rust/pull/120820/)
- [Add `wasm32-wasip1` tier 2 (without host tools) target](https://togithub.com/rust-lang/rust/pull/120468/)
- [Add `wasm32-wasip2` tier 3 target](https://togithub.com/rust-lang/rust/pull/119616/)
- [Rename `wasm32-wasi-preview1-threads` to `wasm32-wasip1-threads`](https://togithub.com/rust-lang/rust/pull/122170/)
- [Add `arm64ec-pc-windows-msvc` tier 3 target](https://togithub.com/rust-lang/rust/pull/119199/)
- [Add `armv8r-none-eabihf` tier 3 target for the Cortex-R52](https://togithub.com/rust-lang/rust/pull/110482/)
- [Add `loongarch64-unknown-linux-musl` tier 3 target](https://togithub.com/rust-lang/rust/pull/121832/)
Refer to Rust's \[platform support page]\[platform-support-doc]
for more information on Rust's tiered platform support.
<a id="1.78.0-Libraries"></a>
## Libraries
- [Bump Unicode to version 15.1.0, regenerate tables](https://togithub.com/rust-lang/rust/pull/120777/)
- [Make align_offset, align_to well-behaved in all cases](https://togithub.com/rust-lang/rust/pull/121201/)
- [PartialEq, PartialOrd: document expectations for transitive chains](https://togithub.com/rust-lang/rust/pull/115386/)
- [Optimize away poison guards when std is built with panic=abort](https://togithub.com/rust-lang/rust/pull/100603/)
- [Replace pthread `RwLock` with custom implementation](https://togithub.com/rust-lang/rust/pull/110211/)
- [Implement unwind safety for Condvar on all platforms](https://togithub.com/rust-lang/rust/pull/121768/)
- [Add ASCII fast-path for `char::is_grapheme_extended`](https://togithub.com/rust-lang/rust/pull/121138/)
<a id="1.78.0-Stabilized-APIs"></a>
## Stabilized APIs
- [`impl Read for &Stdin`](https://doc.rust-lang.org/stable/std/io/struct.Stdin.html#impl-Read-for-%26Stdin)
- [Accept non `'static` lifetimes for several `std::error::Error` related implementations](https://togithub.com/rust-lang/rust/pull/113833/)
- [Make `impl<Fd: AsFd>` impl take `?Sized`](https://togithub.com/rust-lang/rust/pull/114655/)
- [`impl From<TryReserveError> for io::Error`](https://doc.rust-lang.org/stable/std/io/struct.Error.html#impl-From%3CTryReserveError%3E-for-Error)
These APIs are now stable in const contexts:
- [`Barrier::new()`](https://doc.rust-lang.org/stable/std/sync/struct.Barrier.html#method.new)
<a id="1.78.0-Cargo"></a>
## Cargo
- [Stabilize lockfile v4](https://togithub.com/rust-lang/cargo/pull/12852/)
- [Respect `rust-version` when generating lockfile](https://togithub.com/rust-lang/cargo/pull/12861/)
- [Control `--charset` via auto-detecting config value](https://togithub.com/rust-lang/cargo/pull/13337/)
- [Support `target.<triple>.rustdocflags` officially](https://togithub.com/rust-lang/cargo/pull/13197/)
- [Stabilize global cache data tracking](https://togithub.com/rust-lang/cargo/pull/13492/)
<a id="1.78.0-Misc"></a>
## Misc
- [rustdoc: add `--test-builder-wrapper` arg to support wrappers such as RUSTC_WRAPPER when building doctests](https://togithub.com/rust-lang/rust/pull/114651/)
<a id="1.78.0-Compatibility-Notes"></a>
## Compatibility Notes
- [Many unsafe precondition checks now run for user code with debug assertions enabled](https://togithub.com/rust-lang/rust/pull/120594/)
This change helps users catch undefined behavior in their code, though the details of how much is checked are generally not stable.
- [riscv only supports split_debuginfo=off for now](https://togithub.com/rust-lang/rust/pull/120518/)
- [Consistently check bounds on hidden types of `impl Trait`](https://togithub.com/rust-lang/rust/pull/121679)
- [Change equality of higher ranked types to not rely on subtyping](https://togithub.com/rust-lang/rust/pull/118247)
- [When called, additionally check bounds on normalized function return type](https://togithub.com/rust-lang/rust/pull/118882)
- [Expand coverage for `arithmetic_overflow` lint](https://togithub.com/rust-lang/rust/pull/119432/)
- [Fix detection of potential interior mutability in `const` initializers](https://togithub.com/rust-lang/rust/issues/121250)
This code was accidentally accepted. The fix can break generic code that borrows a value of unknown type,
as there is currently no way to declare "this type has no interior mutability". In the future, stabilizing
the [`Freeze` trait](https://togithub.com/rust-lang/rust/issues/121675) will allow proper support for such code.
<a id="1.78.0-Internal-Changes"></a>
## Internal Changes
These changes do not affect any public interfaces of Rust, but they represent
significant improvements to the performance or internals of rustc and related
tools.
- [Update to LLVM 18](https://togithub.com/rust-lang/rust/pull/120055/)
- [Build `rustc` with 1CGU on `x86_64-pc-windows-msvc`](https://togithub.com/rust-lang/rust/pull/112267/)
- [Build `rustc` with 1CGU on `x86_64-apple-darwin`](https://togithub.com/rust-lang/rust/pull/112268/)
- [Introduce `run-make` V2 infrastructure, a `run_make_support` library and port over 2 tests as example](https://togithub.com/rust-lang/rust/pull/113026/)
- [Windows: Implement condvar, mutex and rwlock using futex](https://togithub.com/rust-lang/rust/pull/121956/)
</details>
---
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2024-05-07 08:14:26 +00:00 |
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