Rustc pull update #2412
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Rustc pull update #2412
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[win][CI] Convert paths to Windows format before adding to PATH While trying to get the `aarch64-msvc` build working correctly (#140136), I noticed that the `PATH` observed during the Rust steps of the build on Windows builds had some entries still in MinGW format, which means that Windows would not be able to use them correctly: From <https://github.com/rust-lang/rust/actions/runs/14606167901/job/40975555680#step:28:192> note the path for `ninja` and `sccache`. ``` PATH = Some(C:\a\rust\rust\src\ci\citool\../../../build/citool\debug\deps;C:\a\rust\rust\src\ci\citool\../../../build/citool\debug;C:\Users\runneradmin\.rustup\toolchains\stable-aarch64-pc-windows-msvc\lib\rustlib\aarch64-pc-windows-msvc\lib;C:\Program Files\Git\clangarm64/bin;C:\Program Files\Git\usr\bin;C:\Users\runneradmin\bin;/c/a/rust/rust/ninja;/c/a/rust/rust/sccache;C:\Users\runneradmin/.cargo/bin;C:\aliyun-cli;C:\vcpkg;C:\Program Files (x86)\NSIS\;C:\Program Files\Mercurial\;C:\hostedtoolcache\windows\stack\3.3.1\x64;C:\mingw64\bin;C:\Program Files\dotnet;C:\Program Files\MySQL\MySQL Server 8.0\bin;C:\Program Files (x86)\R\R-4.4.2\bin\x64;C:\SeleniumWebDrivers\GeckoDriver;C:\SeleniumWebDrivers\EdgeDriver\;C:\SeleniumWebDrivers\ChromeDriver;C:\Program Files (x86)\sbt\bin;C:\Program Files (x86)\GitHub CLI;C:\Program Files\Git\bin;C:\Program Files (x86)\pipx_bin;C:\npm\prefix;C:\hostedtoolcache\windows\go\1.21.13\arm64\bin;C:\hostedtoolcache\windows\Python\3.9.13\x64\Scripts;C:\hostedtoolcache\windows\Python\3.9.13\x64;C:\hostedtoolcache\windows\Ruby\3.0.7\x64\bin;C:\Program Files\OpenSSL\bin;C:\tools\kotlinc\bin;C:\hostedtoolcache\windows\Java_Temurin-Hotspot_jdk\8.0.442-6\x64\bin;C:\Program Files (x86)\ImageMagick-7.1.1-Q16-HDRI;C:\Program Files\Microsoft SDKs\Azure\CLI2\wbin;C:\ProgramData\kind;C:\ProgramData\Chocolatey\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Windows\System32\OpenSSH\;C:\Program Files\PowerShell\7\;C:\Program Files\Microsoft\Web Platform Installer\;C:\Program Files\Microsoft SQL Server\Client SDK\ODBC\170\Tools\Binn\;C:\Program Files\Microsoft SQL Server\150\Tools\Binn\;C:\Program Files\dotnet\;C:\Program Files\Microsoft SQL Server\130\DTS\Binn\;C:\Program Files\Microsoft SQL Server\140\DTS\Binn\;C:\Program Files\Microsoft SQL Server\150\DTS\Binn\;C:\Program Files\Microsoft SQL Server\160\DTS\Binn\;C:\Strawberry\c\bin;C:\Strawberry\perl\site\bin;C:\Strawberry\perl\bin;C:\ProgramData\chocolatey\lib\pulumi\tools\Pulumi\bin;C:\Program Files\CMake\bin;C:\ProgramData\chocolatey\lib\maven\apache-maven-3.9.9\bin;C:\Program Files\nodejs\;C:\Program Files\Git\cmd;C:\Program Files\Git\clangarm64\bin;C:\Program Files\Git\usr\bin;C:\Program Files\GitHub CLI\;c:\tools\php;C:\Program Files (x86)\sbt\bin;C:\Program Files\Amazon\AWSCLIV2\;C:\Program Files\Amazon\SessionManagerPlugin\bin\;C:\Program Files\Amazon\AWSSAMCLI\bin\;C:\Program Files\Microsoft SQL Server\130\Tools\Binn\;C:\Program Files\LLVM\bin;C:\Users\runneradmin\.dotnet\tools;C:\Users\runneradmin\AppData\Local\Microsoft\WindowsApps) ``` The fix for this is to use `cygpath` to convert from the Cygwin format back to native Windows format before adding to the `PATH`. --- try-job: dist-aarch64-msvc try-job: x86_64-msvc-1 try-job: x86_64-msvc-2 try-job: i686-msvc-1 try-job: i686-msvc-2 try-job: x86_64-mingw-1 try-job: x86_64-mingw-2 try-job: dist-i686-mingw
update llvm-tools logic for `dist` and `install` steps First commit aligns `build_steps::compile` and `build_steps::dist` logics for copying llvm-tools, and the second commit adds the correct `should_run` condition for `LlvmTools` step as the previous one was clearly incorrect. Fixes #140913
rustc-dev-guide subtree update r? `@ghost`
…iler-errors `gather_locals`: only visit guard pattern guards when checking the guard When checking a pattern with guards in it, `GatherLocalsVisitor` will visit both the pattern (when type-checking the let, arm, or param containing it) and local declarations in the guard expression (when checking the guard itself). This keeps it from visiting the guard when visiting the pattern, since otherwise it would gather locals from the guard twice, which would lead to a delayed bug: "evaluated expression more than once". Tracking issue for guard patterns: #129967
`lower_to_hir` cleanups Some minor cleanups I made when reading this code. r? `@Nadrieril`
Add tick to `RePlaceholder` debug output Present when debug printing canonical queries r? lcnr
Rollup of 7 pull requests Successful merges: - #139419 (Error on recursive opaque ty in HIR typeck) - #141236 (Resolved issue with mismatched types triggering ICE in certain scenarios) - #141253 (Warning added when dependency crate has async drop types, and the feature is disabled) - #141269 (rustc-dev-guide subtree update) - #141275 (`gather_locals`: only visit guard pattern guards when checking the guard) - #141279 (`lower_to_hir` cleanups) - #141285 (Add tick to `RePlaceholder` debug output) r? `@ghost` `@rustbot` modify labels: rollup
Add TRACING_ENABLED to Machine and add enter_trace_span!()
This PR adds the necessary infrastructure to make it possible to do tracing calls from within `rustc_const_eval` when running Miri, while making sure they don't impact the performance of normal compiler execution. This is done by adding a `const` boolean to `Machine`, false by default, but that will be set to true in Miri only. The tracing macro `enter_trace_span!()` checks if it is true before doing anything, and since the value of a `const` is known at compile time, if it it false it the whole tracing call should be optimized out.
I will soon open further PRs to add tracing macro calls similar to this one, so that afterwards it will be possible to learn more about Miri's time spent in the various interpretation steps:
```rs
let _guard = enter_trace_span!(M, "eval_statement", "{:?}", stmt);
```
r? `@RalfJung`
use `Self` alias in self types rather than manually substituting it Of the rougly 145 uses of `self: Ty` in the standard library, 5 of them don't use `Self` but instead choose to manually "substitute" the `impl`'s self type into the type. This leads to weird behavior sometimes (rust-lang/rust#140611 (comment)) -- **to be clear**, none of these usages actually trigger any bugs, but it's possible that they may break in the future (or at least lead to lints), so let's just "fix" them proactively.
…Void triagebot: ping me if rustdoc js is modified r? `@aDotInTheVoid`
[win][ci] Update LLVM toolchain used to build LLVM to 20 While trying to get the aarch64-msvc build working correctly (#140136), I needed to update the version of LLVM used to build LLVM in Windows CI runners to 20 (as this has improved support for Arm64 and Arm64EC on Windows). This catches Windows up to Linux which was updated to 20 by #137189 try-job: `x86_64-apple-*` try-job: `aarch64-apple` try-job: `x86_64-msvc-*` try-job: `i686-msvc-*` try-job: `x86_64-mingw-*`
Rollup of 7 pull requests Successful merges: - #140972 (Add TRACING_ENABLED to Machine and add enter_trace_span!()) - #141282 (`core_float_math`: Move functions to `math` module) - #141288 (Get rid of unnecessary `BufDisplay` abstraction) - #141289 (use `Self` alias in self types rather than manually substituting it) - #141291 (link tracking issue in explicit-extern-abis.md) - #141294 (triagebot: ping me if rustdoc js is modified) - #141303 (Fix pagetoc inactive color in rustc book) r? `@ghost` `@rustbot` modify labels: rollup
collect doc alias as tips during resolution Close #124273 Collect the symbol in the doc alias attributes and provide a tip when a match is found. r? `@estebank`
…rrors Match on lang item kind instead of using an if/else chain Similar to how the new solver does this. Just noticed while I was adding a new entry to the chain 😆
Emit a warning if the doctest `main` function will not be run Fixes #140310. I think we could try to go much further like adding a "link" (ie UI annotations) on the `main` function in the doctest. However that will require some more computation, not sure if it's worth it or not. Can still be done in a follow-up if we want it. For now, this PR does two things: 1. Pass the `DiagCtxt` to the doctest parser to emit the warning. 2. Correctly generate the `Span` to where the doctest is starting (I hope the way I did it isn't too bad either...). cc `@fmease` r? `@notriddle`
Fast path for processing some obligations in the new solver Fast path applies to: - Dyn compatibility predicates - Region and type outlives predicates - Trivially sized predicates
Update IDEs to use rustfmt 2024, fix Zed settings
Update IDEs to use rustfmt 2024, fix Zed settings
- Update IDE `rust-analyzer` settings to use 2024 rather than 2021.
- Fix Zed settings by removing `${workspaceFolder}/` from paths.
Use the fn_span when emitting function calls for better debug info. This especially improves the developer experience for long chains of function calls that span multiple lines, which is common with builder patterns, chains of iterator/future combinators, etc. try-job: armhf-gnu try-job: test-various try-job: x86_64-msvc-1 try-job: arm-android r? `@jieyouxu`
Implement `advance_by` via `try_fold` for `Sized` iterators When `try_fold` is overriden, it is usually easier for compilers to optimize. Example difference: https://iter.godbolt.org/z/z8cEfnKro
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