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bors 67bb749c2e Auto merge of #130775 - jieyouxu:revert-129047, r=nagisa 
Revert "Apply EarlyOtherwiseBranch to scalar value #129047"

This reverts PR #129047, commit a772336fb3, reversing changes made to 702987f75b.

cc `@DianQK` and `@cjgillot` as the PR author and reviewer of #129047 respectively.

It seems [Apply EarlyOtherwiseBranch to scalar value #129047](https://github.com/rust-lang/rust/pull/129047) may have lead to several nightly regressions:

- https://github.com/rust-lang/rust/issues/130769
- https://github.com/rust-lang/rust/issues/130774
- https://github.com/rust-lang/rust/issues/130771

Example test that would ICE with changes in #129047 (this test is included in this PR):

```rs
//@ compile-flags: -C opt-level=3
//@ check-pass

use std::task::Poll;

pub fn poll(val: Poll<Result<Option<Vec<u8>>, u8>>) {
    match val {
        Poll::Ready(Ok(Some(_trailers))) => {}
        Poll::Ready(Err(_err)) => {}
        Poll::Ready(Ok(None)) => {}
        Poll::Pending => {}
    }
}
```

Since this is a mir-opt ICE that seems to quite easy to trigger with real-world crates being affected, let's revert for now and reland the mir-opt after these are fixed.
 		2024-09-24 14:52:06 +00:00
.github Update `library/Cargo.toml` in weekly job 2024-08-19 07:30:11 -05:00
LICENSES Rename `LICENSES/GPL-2.0.txt` into `LICENSES/GPL-2.0-only.txt` 2024-09-06 16:01:46 +02:00
compiler Auto merge of #130775 - jieyouxu:revert-129047, r=nagisa 2024-09-24 14:52:06 +00:00
library Auto merge of #130738 - bjoernager:const-make-ascii, r=jhpratt 2024-09-24 08:52:12 +00:00
src Rollup merge of #130759 - rustbot:docs-update, r=ehuss 2024-09-23 23:49:13 -04:00
tests Auto merge of #130775 - jieyouxu:revert-129047, r=nagisa 2024-09-24 14:52:06 +00:00
.clang-format Add `.clang-format` 2024-06-26 05:56:00 +08:00
.editorconfig Only use max_line_length = 100 for *.rs 2023-07-10 15:18:36 -07:00
.git-blame-ignore-revs Add rustfmt 2024 reformatting to git blame ignore 2024-09-23 10:02:04 +02:00
.gitattributes Rename `config.toml.example` to `config.example.toml` 2023-03-11 14:10:00 -08:00
.gitignore gitignore: ignore ICE reports regardless of directory 2024-08-25 14:19:05 +03:00
.gitmodules Update to LLVM 19.1.0 2024-09-20 14:41:36 -07:00
.ignore Add `.ignore` file to make `config.toml` searchable in vscode 2024-06-24 10:15:16 +02:00
.mailmap Rollup merge of #129906 - BoxyUwU:boxy_mailmap, r=lqd 2024-09-02 22:35:23 +02:00
CODE_OF_CONDUCT.md Remove the code of conduct; instead link https://www.rust-lang.org/conduct.html 2019-10-05 22:55:19 +02:00
CONTRIBUTING.md fix: Update CONTRIBUTING.md recommend -> recommended 2023-11-16 23:57:09 +05:30
COPYRIGHT Update COPYRIGHT file 2022-10-30 10:23:14 -04:00
Cargo.lock Merge commit 'b23b69900eab1260be510b2bd8922f4b6de6cf1e' into sync-from-rustfmt 2024-09-19 21:46:44 -04:00
Cargo.toml chore: prep v1.8.0 release 2024-09-19 21:33:01 -04:00
INSTALL.md Rollup merge of #127434 - onur-ozkan:use-bootstrap-instead-of-rustbuild, r=Mark-Simulacrum 2024-07-13 20:19:45 -07:00
LICENSE-APACHE Remove appendix from LICENCE-APACHE 2019-12-30 14:25:53 +00:00
LICENSE-MIT LICENSE-MIT: Remove inaccurate (misattributed) copyright notice 2017-07-26 16:51:58 -07:00
README.md Use SVG logos in the README.md. 2024-04-03 19:48:20 +02:00
RELEASES.md Rollup merge of #129995 - alexcrichton:remove-wasm32-wasip2-release-notes, r=pietroalbini 2024-09-06 07:33:58 +02:00
REUSE.toml Fix licensing information in REUSE.toml 2024-09-06 16:01:47 +02:00
config.example.toml update `llvm.download-ci-llvm` documentation 2024-09-19 14:28:06 +03:00
configure Ensure `./configure` works when `configure.py` path contains spaces 2024-02-16 18:57:22 +00:00
rust-bors.toml Increase timeout for new bors bot 2024-03-13 08:31:07 +01:00
rustfmt.toml Use style_edition over version 2024-09-22 19:11:28 -04:00
triagebot.toml readd @tgross35 and @joboet to the review rotation 2024-09-23 13:37:52 +02:00
x Make x capable of resolving symlinks 2023-10-14 17:53:33 +03:00
x.ps1 use `&` instead of start-process in x.ps1 2023-12-09 09:46:16 -05:00
x.py Fix recent python linting errors 2023-08-02 04:40:28 -04:00

README.md

This is the main source code repository for Rust. It contains the compiler, standard library, and documentation.

Why Rust?

  • Performance: Fast and memory-efficient, suitable for critical services, embedded devices, and easily integrate with other languages.

  • Reliability: Our rich type system and ownership model ensure memory and thread safety, reducing bugs at compile-time.

  • Productivity: Comprehensive documentation, a compiler committed to providing great diagnostics, and advanced tooling including package manager and build tool (Cargo), auto-formatter (rustfmt), linter (Clippy) and editor support (rust-analyzer).

Quick Start

Read "Installation" from The Book.

Installing from Source

If you really want to install from source (though this is not recommended), see INSTALL.md.

Getting Help

See https://www.rust-lang.org/community for a list of chat platforms and forums.

Contributing

See CONTRIBUTING.md.

License

Rust is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0), with portions covered by various BSD-like licenses.

See LICENSE-APACHE, LICENSE-MIT, and COPYRIGHT for details.

Trademark

The Rust Foundation owns and protects the Rust and Cargo trademarks and logos (the "Rust Trademarks").

If you want to use these names or brands, please read the media guide.

Third-party logos may be subject to third-party copyrights and trademarks. See Licenses for details.