Rollup of 8 pull requests #141232
Merged
Rollup of 8 pull requests #141232
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
TLS is not async-signal-safe, making its use in the signal handler used to detect stack overflows unsound (c.f. rust-lang#133698). POSIX however lists two thread-specific identifiers that can be obtained in a signal handler: the current `pthread_t` and the address of `errno`. Since `pthread_equal` is not AS-safe, `pthread_t` should be considered opaque, so for our purposes, `&errno` is the only option. This however works nicely: we can use the address as a key into a map that stores information for each thread. This PR uses a `BTreeMap` protected by a spin lock to hold the guard page address and thread name and thus fixes rust-lang#133698.
I'll be modifying it in future commits, so I think it's cleanest to abstract it out. Possibly a newtype would be ideal, but for now this is least disruptive.
This splits introduction of bindings into scope (`apply_pattern_bindings`) apart from manipulation of the pattern's binding map (`fresh_binding`). By delaying the latter, we can keep bindings from appearing in-scope in guards. Since `fresh_binding` is now specifically for manipulating a pattern's bindings map, this commit also inlines a use of `fresh_binding` that was only adding to the innermost rib.
Automatic Rustup
Co-authored-by: Travis Cross <[email protected]>
apparently it doesn't really use the asm parsing at present, so this may work?
…u,traviscross Stabilize the avx512 target features This PR stabilizes the AVX512 target features - see [this comment](rust-lang#111137 (comment)). Tracking Issue - rust-lang#44839 The target feature UI tests have been changed to `x87` (chosen because this is very unlikely to stablize ever, please comment if some other feature will be better) related: rust-lang#111137
…manieu,traviscross split `asm!` parsing and validation This PR splits `asm!` parsing and validation into two separate steps. The parser constructs a `Vec<RawAsmArg>`, with each element corresponding to an argument to one of the `asm!` macros. The validation then checks things like ordering of arguments or that options are not provided twice. The motivation is rust-lang#140279, which wants to add `#[cfg(...)]` support to these arguments. This support can now be added in a straightforward way by adding an `attributes: ast::AttrVec` field to `RawAsmArg`. An extra reason for this split is that `rustfmt` probably wants to format the assembly at some point (currently that appears to be stubbed out, and the formatting is unstable rust-lang/style-team#152). r? ``@ghost`` (just want to look at CI for now) cc ``@ytmimi`` we discussed asm formatting a little while ago in rust-lang/rustfmt#6526. Am I correct in assuming that `AsmArgs` does not give enough information for formatting, but that `RawAsmArgs` would (it e.g. does not join information from multiple lines). This must have been an issue before? try-job: aarch64-apple
…imulacrum std: stop using TLS in signal handler TLS is not async-signal-safe, making its use in the signal handler used to detect stack overflows unsound (c.f. rust-lang#133698). POSIX however lists two thread-specific identifiers that can be obtained in a signal handler: the current `pthread_t` and the address of `errno`. Since `pthread_equal` is not AS-safe, `pthread_t` should be considered opaque, so for our purposes, `&errno` is the only option. This however works nicely: we can use the address as a key into a map that stores information for each thread. This PR uses a `BTreeMap` protected by a spin lock to hold the guard page address and thread name and thus fixes rust-lang#133698.
name resolution for guard patterns This PR provides an initial implementation of name resolution for guard patterns [(RFC 3637)](https://github.com/rust-lang/rfcs/blob/master/text/3637-guard-patterns.md). This does not change the requirement that the bindings on either side of an or-pattern must be the same [(proposal here)](https://github.com/rust-lang/rfcs/blob/master/text/3637-guard-patterns.md#allowing-mismatching-bindings-when-possible); the code that handles that is separate from what this PR touches, so I'm saving it for a follow-up. On a technical level, this separates "collecting the bindings in a pattern" (which was already done for or-patterns) from "introducing those bindings into scope". I believe the approach used here can be extended straightforwardly in the future to work with `if let` guard patterns, but I haven't tried it myself since we don't allow those yet. Tracking issue for guard patterns: rust-lang#129967 cc ``@Nadrieril``
…ne-layout-returns-layout-error, r=oli-obk Return value of coroutine_layout fn changed to Result with LayoutError Continue of rust-lang#140902: `coroutine_layout` fn is now returns `Result` with `LayoutError` to have consistent error with `layout_of_uncached`. `async_drop_coroutine_layout` fn is now return `LayoutError::TooGeneric` in case of not-fully-specialized `async_drop_in_place<T>::{closure}` coroutine.
…rsan68,jieyouxu bump windows crate for compiler,bootstrap and tools This dedupes crate versions. For `x86_64-pc-windows-msvc` stage1 cuts few kb from `rustc_driver.dll`, nice.
Miri subtree update r? ``@ghost`` Fixes rust-lang/miri#4328
gvn: avoid creating overlapping assignments Quick fix rust-lang#141038, as I couldn't find a way to avoid in-place modification. I'm considering handling all `ravlue` modifications within the `visit_statement` function. r? mir-opt
rustbot
added
A-compiletest
|
@bors r+ rollup=never p=5 |
bors
added
S-waiting-on-bors
|
☀️ Test successful - checks-actions |
|
📌 Perf builds for each rolled up PR:
previous master: b53e5c9db0 In the case of a perf regression, run the following command for each PR you suspect might be the cause: |
What is this?This is an experimental post-merge analysis report that shows differences in test outcomes between the merged PR and its parent PR.Comparing b53e5c9 (parent) -> 4455c89 (this PR) Test differencesShow 20 test diffsStage 1
Stage 2
Additionally, 16 doctest diffs were found. These are ignored, as they are noisy. Job group index
Test dashboardRun cargo run --manifest-path src/ci/citool/Cargo.toml -- \
test-dashboard 4455c8937007f3cc3c078375a335d86dbab391ce --output-dir test-dashboardAnd then open Job duration changes
How to interpret the job duration changes?Job durations can vary a lot, based on the actual runner instance |
This was referenced May 18, 2025
|
Finished benchmarking commit (4455c89): comparison URL. Overall result: ❌✅ regressions and improvements - please read the text belowOur benchmarks found a performance regression caused by this PR. Next Steps:
@rustbot label: +perf-regression Instruction countThis is the most reliable metric that we have; it was used to determine the overall result at the top of this comment. However, even this metric can sometimes exhibit noise.
Max RSS (memory usage)Results (primary -1.5%, secondary -2.4%)This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.
CyclesResults (primary 0.6%, secondary 0.2%)This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.
Binary sizeResults (primary 1.4%, secondary 3.5%)This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.
Bootstrap: 776.543s -> 775.321s (-0.16%) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Successful merges:
asm!parsing and validation #140490 (splitasm!parsing and validation)r? @ghost
@rustbot modify labels: rollup
Create a similar rollup