From dc070bc89e7cfbe5740e3fc7e12a85153834ed76 Mon Sep 17 00:00:00 2001 From: Mark Rousskov Date: Sun, 28 Apr 2024 09:30:50 -0400 Subject: [PATCH 1/3] Prepare 1.78 release --- RELEASES.md | 122 ++++++++++++++++++++++++++++++++++++++++++++++++- src/ci/channel | 2 +- 2 files changed, 122 insertions(+), 2 deletions(-) diff --git a/RELEASES.md b/RELEASES.md index 574739b2d2ad6..104ea497ba499 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -1,3 +1,123 @@ +Version 1.78.0 (2024-05-02) +========================== + + + +Language +-------- +- [Stabilize `#[cfg(target_abi = ...)]`](https://github.com/rust-lang/rust/pull/119590/) +- [Stabilize the `#[diagnostic]` namespace and `#[diagnostic::on_unimplemented]` attribute](https://github.com/rust-lang/rust/pull/119888/) +- [Make async-fn-in-trait implementable with concrete signatures](https://github.com/rust-lang/rust/pull/120103/) +- [Make matching on NaN a hard error, and remove the rest of `illegal_floating_point_literal_pattern`](https://github.com/rust-lang/rust/pull/116284/) +- [static mut: allow mutable reference to arbitrary types, not just slices and arrays](https://github.com/rust-lang/rust/pull/117614/) +- [Extend `invalid_reference_casting` to include references casting to bigger memory layout](https://github.com/rust-lang/rust/pull/118983/) +- [Add `non_contiguous_range_endpoints` lint for singleton gaps after exclusive ranges](https://github.com/rust-lang/rust/pull/118879/) +- [Add `wasm_c_abi` lint for use of older wasm-bindgen versions](https://github.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://github.com/rust-lang/rust/pull/120423/) +- [Make non-`PartialEq`-typed consts as patterns a hard error](https://github.com/rust-lang/rust/pull/120805/) +- [Split `refining_impl_trait` lint into `_reachable`, `_internal` variants](https://github.com/rust-lang/rust/pull/121720/) +- [Remove unnecessary type inference when using associated types inside of higher ranked `where`-bounds](https://github.com/rust-lang/rust/pull/119849) +- [Weaken eager detection of cyclic types during type inference](https://github.com/rust-lang/rust/pull/119989) +- [`trait Trait: Auto {}`: allow upcasting from `dyn Trait` to `dyn Auto`](https://github.com/rust-lang/rust/pull/119338) + + + +Compiler +-------- + +- [Made `INVALID_DOC_ATTRIBUTES` lint deny by default](https://github.com/rust-lang/rust/pull/111505/) +- [Increase accuracy of redundant `use` checking](https://github.com/rust-lang/rust/pull/117772/) +- [Suggest moving definition if non-found macro_rules! is defined later](https://github.com/rust-lang/rust/pull/121130/) +- [Lower transmutes from int to pointer type as gep on null](https://github.com/rust-lang/rust/pull/121282/) + +Target changes: + +- [Windows tier 1 targets now require at least Windows 10](https://github.com/rust-lang/rust/pull/115141/) + - [Enable CMPXCHG16B, SSE3, SAHF/LAHF and 128-bit Atomics in tier 1 Windows](https://github.com/rust-lang/rust/pull/120820/) +- [Add `wasm32-wasip1` tier 2 (without host tools) target](https://github.com/rust-lang/rust/pull/120468/) +- [Add `wasm32-wasip2` tier 3 target](https://github.com/rust-lang/rust/pull/119616/) +- [Rename `wasm32-wasi-preview1-threads` to `wasm32-wasip1-threads`](https://github.com/rust-lang/rust/pull/122170/) +- [Add `arm64ec-pc-windows-msvc` tier 3 target](https://github.com/rust-lang/rust/pull/119199/) +- [Add `armv8r-none-eabihf` tier 3 target for the Cortex-R52](https://github.com/rust-lang/rust/pull/110482/) +- [Add `loongarch64-unknown-linux-musl` tier 3 target](https://github.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. + + + +Libraries +--------- + +- [Bump Unicode to version 15.1.0, regenerate tables](https://github.com/rust-lang/rust/pull/120777/) +- [Make align_offset, align_to well-behaved in all cases](https://github.com/rust-lang/rust/pull/121201/) +- [PartialEq, PartialOrd: document expectations for transitive chains](https://github.com/rust-lang/rust/pull/115386/) +- [Optimize away poison guards when std is built with panic=abort](https://github.com/rust-lang/rust/pull/100603/) +- [Replace pthread `RwLock` with custom implementation](https://github.com/rust-lang/rust/pull/110211/) +- [Implement unwind safety for Condvar on all platforms](https://github.com/rust-lang/rust/pull/121768/) +- [Add ASCII fast-path for `char::is_grapheme_extended`](https://github.com/rust-lang/rust/pull/121138/) + + + +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://github.com/rust-lang/rust/pull/113833/) +- [Make `impl` impl take `?Sized`](https://github.com/rust-lang/rust/pull/114655/) +- [`impl From 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) + + + +Cargo +----- + +- [Stabilize lockfile v4](https://github.com/rust-lang/cargo/pull/12852/) +- [Respect `rust-version` when generating lockfile](https://github.com/rust-lang/cargo/pull/12861/) +- [Control `--charset` via auto-detecting config value](https://github.com/rust-lang/cargo/pull/13337/) +- [Support `target..rustdocflags` officially](https://github.com/rust-lang/cargo/pull/13197/) +- [Stabilize global cache data tracking](https://github.com/rust-lang/cargo/pull/13492/) + + + +Misc +---- + +- [rustdoc: add `--test-builder-wrapper` arg to support wrappers such as RUSTC_WRAPPER when building doctests](https://github.com/rust-lang/rust/pull/114651/) + + + +Compatibility Notes +------------------- + +- [Many unsafe precondition checks now run for user code with debug assertions enabled](https://github.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://github.com/rust-lang/rust/pull/120518/) +- [Consistently check bounds on hidden types of `impl Trait`](https://github.com/rust-lang/rust/pull/121679) +- [Change equality of higher ranked types to not rely on subtyping](https://github.com/rust-lang/rust/pull/118247) +- [When called, additionally check bounds on normalized function return type](https://github.com/rust-lang/rust/pull/118882) +- [Expand coverage for `arithmetic_overflow` lint](https://github.com/rust-lang/rust/pull/119432/) + + + +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://github.com/rust-lang/rust/pull/120055/) +- [Build `rustc` with 1CGU on `x86_64-pc-windows-msvc`](https://github.com/rust-lang/rust/pull/112267/) +- [Build `rustc` with 1CGU on `x86_64-apple-darwin`](https://github.com/rust-lang/rust/pull/112268/) +- [Introduce `run-make` V2 infrastructure, a `run_make_support` library and port over 2 tests as example](https://github.com/rust-lang/rust/pull/113026/) +- [Windows: Implement condvar, mutex and rwlock using futex](https://github.com/rust-lang/rust/pull/121956/) + Version 1.77.2 (2024-04-09) =========================== @@ -99,7 +219,7 @@ Cargo - [Extend the build directive syntax with `cargo::`.](https://github.com/rust-lang/cargo/pull/12201/) - [Stabilize metadata `id` format as `PackageIDSpec`.](https://github.com/rust-lang/cargo/pull/12914/) -- [Pull out as `cargo-util-schemas` as a crate.](https://github.com/rust-lang/cargo/pull/13178/) +- [Pull out `cargo-util-schemas` as a crate.](https://github.com/rust-lang/cargo/pull/13178/) - [Strip all debuginfo when debuginfo is not requested.](https://github.com/rust-lang/cargo/pull/13257/) - [Inherit jobserver from env for all kinds of runners.](https://github.com/rust-lang/cargo/pull/12776/) - [Deprecate rustc plugin support in cargo.](https://github.com/rust-lang/cargo/pull/13248/) diff --git a/src/ci/channel b/src/ci/channel index 65b2df87f7df3..2bf5ad0447d33 100644 --- a/src/ci/channel +++ b/src/ci/channel @@ -1 +1 @@ -beta +stable From 2775ae0fa9c3b6e329d8714a4c4036b8e54899bf Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Tue, 16 Apr 2024 15:34:04 +0000 Subject: [PATCH 2/3] Use raw-dylib for Windows futex APIs This is a workaround for older mingw `synchronization` import library not working on at least some system. --- library/std/src/sys/pal/windows/c.rs | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/library/std/src/sys/pal/windows/c.rs b/library/std/src/sys/pal/windows/c.rs index 1c828bac4b662..9d58ce05f018b 100644 --- a/library/std/src/sys/pal/windows/c.rs +++ b/library/std/src/sys/pal/windows/c.rs @@ -357,7 +357,19 @@ compat_fn_with_fallback! { } #[cfg(not(target_vendor = "win7"))] -#[link(name = "synchronization")] +// Use raw-dylib to import synchronization functions to workaround issues with the older mingw import library. +#[cfg_attr( + target_arch = "x86", + link( + name = "api-ms-win-core-synch-l1-2-0", + kind = "raw-dylib", + import_name_type = "undecorated" + ) +)] +#[cfg_attr( + not(target_arch = "x86"), + link(name = "api-ms-win-core-synch-l1-2-0", kind = "raw-dylib") +)] extern "system" { pub fn WaitOnAddress( address: *const c_void, From 21dcfbdaa13be0e1aa9f2c61fc71f08dd9f4dc3b Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Tue, 16 Apr 2024 15:53:09 +0000 Subject: [PATCH 3/3] Cranelift: Revert raw-dylib for Windows futex APIs --- ...use-raw-dylib-for-Windows-futex-APIs.patch | 37 +++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 compiler/rustc_codegen_cranelift/patches/0030-stdlib-Revert-use-raw-dylib-for-Windows-futex-APIs.patch diff --git a/compiler/rustc_codegen_cranelift/patches/0030-stdlib-Revert-use-raw-dylib-for-Windows-futex-APIs.patch b/compiler/rustc_codegen_cranelift/patches/0030-stdlib-Revert-use-raw-dylib-for-Windows-futex-APIs.patch new file mode 100644 index 0000000000000..21f5ee9cc6ea0 --- /dev/null +++ b/compiler/rustc_codegen_cranelift/patches/0030-stdlib-Revert-use-raw-dylib-for-Windows-futex-APIs.patch @@ -0,0 +1,37 @@ +From 0d741cf82c3c908616abd39dc84ebf7d8702e0c3 Mon Sep 17 00:00:00 2001 +From: Chris Denton +Date: Tue, 16 Apr 2024 15:51:34 +0000 +Subject: [PATCH] Revert use raw-dylib for Windows futex APIs + +--- + library/std/src/sys/pal/windows/c.rs | 14 +------------- + 1 file changed, 1 insertion(+), 13 deletions(-) + +diff --git a/library/std/src/sys/pal/windows/c.rs b/library/std/src/sys/pal/windows/c.rs +index 9d58ce05f01..1c828bac4b6 100644 +--- a/library/std/src/sys/pal/windows/c.rs ++++ b/library/std/src/sys/pal/windows/c.rs +@@ -357,19 +357,7 @@ pub fn GetTempPath2W(bufferlength: u32, buffer: PWSTR) -> u32 { + } + + #[cfg(not(target_vendor = "win7"))] +-// Use raw-dylib to import synchronization functions to workaround issues with the older mingw import library. +-#[cfg_attr( +- target_arch = "x86", +- link( +- name = "api-ms-win-core-synch-l1-2-0", +- kind = "raw-dylib", +- import_name_type = "undecorated" +- ) +-)] +-#[cfg_attr( +- not(target_arch = "x86"), +- link(name = "api-ms-win-core-synch-l1-2-0", kind = "raw-dylib") +-)] ++#[link(name = "synchronization")] + extern "system" { + pub fn WaitOnAddress( + address: *const c_void, +-- +2.42.0.windows.2 +