From edd647e141d76152e00c133766b4cf239533856e Mon Sep 17 00:00:00 2001 From: Josh Stone Date: Fri, 20 Jan 2023 18:29:35 -0800 Subject: [PATCH 1/5] Release notes for 1.67.0 --- RELEASES.md | 98 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) diff --git a/RELEASES.md b/RELEASES.md index 2901bfcc3e3..79c49e9d790 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -1,3 +1,101 @@ +Version 1.67 (2023-01-26) +========================== + + + +Language +-------- + +- [Make `Sized` predicates coinductive, allowing cycles.](https://github.com/rust-lang/rust/pull/100386/) +- [`#[must_use]` annotations on `async fn` also affect the `Future::Output`.](https://github.com/rust-lang/rust/pull/100633/) +- [Elaborate supertrait obligations when deducing closure signatures.](https://github.com/rust-lang/rust/pull/101834/) +- [Invalid literals are no longer an error under `cfg(FALSE)`.](https://github.com/rust-lang/rust/pull/102944/) +- [Unreserve braced enum variants in value namespace.](https://github.com/rust-lang/rust/pull/103578/) + + + +Compiler +-------- + +- [Enable varargs support for calling conventions other than `C` or `cdecl`.](https://github.com/rust-lang/rust/pull/97971/) +- [Add new MIR constant propagation based on dataflow analysis.](https://github.com/rust-lang/rust/pull/101168/) +- [Optimize field ordering by grouping m\*2^n-sized fields with equivalently aligned ones.](https://github.com/rust-lang/rust/pull/102750/) +- [Stabilize native library modifier `verbatim`.](https://github.com/rust-lang/rust/pull/104360/) + +Added and removed targets: + +- [Add a tier 3 target for PowerPC on AIX](https://github.com/rust-lang/rust/pull/102293/), `powerpc64-ibm-aix`. +- [Add a tier 3 target for the Sony PlayStation 1](https://github.com/rust-lang/rust/pull/102689/), `mipsel-sony-psx`. +- [Add tier 3 `no_std` targets for the QNX Neutrino RTOS](https://github.com/rust-lang/rust/pull/102701/), + `aarch64-unknown-nto-qnx710` and `x86_64-pc-nto-qnx710`. +- [Remove tier 3 `linuxkernel` targets](https://github.com/rust-lang/rust/pull/104015/) (not used by the actual kernel). + +Refer to Rust's [platform support page][platform-support-doc] +for more information on Rust's tiered platform support. + + + +Libraries +--------- + +- [Merge `crossbeam-channel` into `std::sync::mpsc`.](https://github.com/rust-lang/rust/pull/93563/) +- [Fix inconsistent rounding of 0.5 when formatted to 0 decimal places.](https://github.com/rust-lang/rust/pull/102935/) +- [Derive `Eq` and `Hash` for `ControlFlow`.](https://github.com/rust-lang/rust/pull/103084/) +- [Don't build `compiler_builtins` with `-C panic=abort`.](https://github.com/rust-lang/rust/pull/103786/) + + + +Stabilized APIs +--------------- + +- [`{integer}::checked_ilog`](https://doc.rust-lang.org/stable/std/primitive.i32.html#method.checked_ilog) +- [`{integer}::checked_ilog2`](https://doc.rust-lang.org/stable/std/primitive.i32.html#method.checked_ilog2) +- [`{integer}::checked_ilog10`](https://doc.rust-lang.org/stable/std/primitive.i32.html#method.checked_ilog10) +- [`{integer}::ilog`](https://doc.rust-lang.org/stable/std/primitive.i32.html#method.ilog) +- [`{integer}::ilog2`](https://doc.rust-lang.org/stable/std/primitive.i32.html#method.ilog2) +- [`{integer}::ilog10`](https://doc.rust-lang.org/stable/std/primitive.i32.html#method.ilog10) +- [`NonZeroU*::ilog2`](https://doc.rust-lang.org/stable/std/num/struct.NonZeroU32.html#method.ilog2) +- [`NonZeroU*::ilog10`](https://doc.rust-lang.org/stable/std/num/struct.NonZeroU32.html#method.ilog10) +- [`NonZero*::BITS`](https://doc.rust-lang.org/stable/std/num/struct.NonZeroU32.html#associatedconstant.BITS) + +These APIs are now stable in const contexts: + +- [`char::from_u32`](https://doc.rust-lang.org/stable/std/primitive.char.html#method.from_u32) +- [`char::from_digit`](https://doc.rust-lang.org/stable/std/primitive.char.html#method.from_digit) +- [`char::to_digit`](https://doc.rust-lang.org/stable/std/primitive.char.html#method.to_digit) +- [`core::char::from_u32`](https://doc.rust-lang.org/stable/core/char/fn.from_u32.html) +- [`core::char::from_digit`](https://doc.rust-lang.org/stable/core/char/fn.from_digit.html) + + + +Compatibility Notes +------------------- + +- [Chains of `&&` and `||` will now drop temporaries from their sub-expressions in + evaluation order, left-to-right.](https://github.com/rust-lang/rust/pull/103293/) + Previously, it was "twisted" such that the _first_ expression dropped its + temporaries _last_, after all of the other expressions dropped in order. +- [Proc-macro derives using inaccessible names from parent modules is now a hard error.](https://github.com/rust-lang/rust/pull/84022/) + This has been a warning since 1.29.0, and denied by default since 1.58.0. + (**TODO**: revert proposed in ) +- [Underscore suffixes on string literals are now a hard error.](https://github.com/rust-lang/rust/pull/103914/) + This has been a future-compatibility warning since 1.20.0. +- [Stop passing `-export-dynamic` to `wasm-ld`.](https://github.com/rust-lang/rust/pull/105405/) +- [`main` is now mangled as `__main_void` on `wasm32-wasi`.](https://github.com/rust-lang/rust/pull/105468/) +- [Cargo now emits an error if there are multiple registries in the configuration + with the same index URL.](https://github.com/rust-lang/cargo/pull/10592) + + + +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. + +- [Rewrite LLVM's archive writer in Rust.](https://github.com/rust-lang/rust/pull/97485/) + Version 1.66.1 (2023-01-10) =========================== From 568d6c1ac78df9fb4a8cc988198f6af9371a53d0 Mon Sep 17 00:00:00 2001 From: Josh Stone Date: Fri, 20 Jan 2023 18:38:09 -0800 Subject: [PATCH 2/5] Expand 1.67 to 1.67.0 --- RELEASES.md | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/RELEASES.md b/RELEASES.md index 79c49e9d790..6acc8f3dfb4 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -1,7 +1,7 @@ -Version 1.67 (2023-01-26) +Version 1.67.0 (2023-01-26) ========================== - + Language -------- @@ -12,7 +12,7 @@ Language - [Invalid literals are no longer an error under `cfg(FALSE)`.](https://github.com/rust-lang/rust/pull/102944/) - [Unreserve braced enum variants in value namespace.](https://github.com/rust-lang/rust/pull/103578/) - + Compiler -------- @@ -33,7 +33,7 @@ Added and removed targets: Refer to Rust's [platform support page][platform-support-doc] for more information on Rust's tiered platform support. - + Libraries --------- @@ -43,7 +43,7 @@ Libraries - [Derive `Eq` and `Hash` for `ControlFlow`.](https://github.com/rust-lang/rust/pull/103084/) - [Don't build `compiler_builtins` with `-C panic=abort`.](https://github.com/rust-lang/rust/pull/103786/) - + Stabilized APIs --------------- @@ -66,7 +66,7 @@ These APIs are now stable in const contexts: - [`core::char::from_u32`](https://doc.rust-lang.org/stable/core/char/fn.from_u32.html) - [`core::char::from_digit`](https://doc.rust-lang.org/stable/core/char/fn.from_digit.html) - + Compatibility Notes ------------------- @@ -85,7 +85,7 @@ Compatibility Notes - [Cargo now emits an error if there are multiple registries in the configuration with the same index URL.](https://github.com/rust-lang/cargo/pull/10592) - + Internal Changes ---------------- From 43c18e92ea974ad11b10f8da46d9261f56170803 Mon Sep 17 00:00:00 2001 From: Josh Stone Date: Sat, 21 Jan 2023 14:48:18 -0800 Subject: [PATCH 3/5] Remove relnote for #84022 due to revert #107133 --- RELEASES.md | 3 --- 1 file changed, 3 deletions(-) diff --git a/RELEASES.md b/RELEASES.md index 6acc8f3dfb4..6be38ecca2b 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -75,9 +75,6 @@ Compatibility Notes evaluation order, left-to-right.](https://github.com/rust-lang/rust/pull/103293/) Previously, it was "twisted" such that the _first_ expression dropped its temporaries _last_, after all of the other expressions dropped in order. -- [Proc-macro derives using inaccessible names from parent modules is now a hard error.](https://github.com/rust-lang/rust/pull/84022/) - This has been a warning since 1.29.0, and denied by default since 1.58.0. - (**TODO**: revert proposed in ) - [Underscore suffixes on string literals are now a hard error.](https://github.com/rust-lang/rust/pull/103914/) This has been a future-compatibility warning since 1.20.0. - [Stop passing `-export-dynamic` to `wasm-ld`.](https://github.com/rust-lang/rust/pull/105405/) From ddcb02d10a575f88a0599893525ded7337ed648e Mon Sep 17 00:00:00 2001 From: Josh Stone Date: Sat, 21 Jan 2023 14:56:57 -0800 Subject: [PATCH 4/5] Move 0.5 rounding to a compat note --- RELEASES.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/RELEASES.md b/RELEASES.md index 6be38ecca2b..ea5a1a8729f 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -71,6 +71,9 @@ These APIs are now stable in const contexts: Compatibility Notes ------------------- +- [0.5 now rounds to 0 when formatted to 0 decimal places.](https://github.com/rust-lang/rust/pull/102935/) + This makes it consistent with the rest of floating point formatting that + rounds ties toward even digits. - [Chains of `&&` and `||` will now drop temporaries from their sub-expressions in evaluation order, left-to-right.](https://github.com/rust-lang/rust/pull/103293/) Previously, it was "twisted" such that the _first_ expression dropped its From b9be9e5fd1d2b7aace3875a77d1715bd9daa7e54 Mon Sep 17 00:00:00 2001 From: Josh Stone Date: Sat, 21 Jan 2023 15:08:48 -0800 Subject: [PATCH 5/5] Move the layout change to 1.67 compat notes --- RELEASES.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/RELEASES.md b/RELEASES.md index ea5a1a8729f..a63d4e8a043 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -71,6 +71,11 @@ These APIs are now stable in const contexts: Compatibility Notes ------------------- +- [The layout of `repr(Rust)` types now groups m\*2^n-sized fields with + equivalently aligned ones.](https://github.com/rust-lang/rust/pull/102750/) + This is intended to be an optimization, but it is also known to increase type + sizes in a few cases for the placement of enum tags. As a reminder, the layout + of `repr(Rust)` types is an implementation detail, subject to change. - [0.5 now rounds to 0 when formatted to 0 decimal places.](https://github.com/rust-lang/rust/pull/102935/) This makes it consistent with the rest of floating point formatting that rounds ties toward even digits.