Rollup of 7 pull requests #121569
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Rollup of 7 pull requests #121569
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Fixes the explanation how to use is_finished to achieve a non-blocking join. The updated version matches the documentation of the non-scoped JoinHandle::is_finished.
Co-authored-by: matthewjasper <20113453+matthewjasper@users.noreply.github.com>
Those libraries are build with `-C panic=unwind` and is expected to be linkable to `-C panic=abort` library. To ensure unsoundness compiler needs to prevent a `C-unwind` call to exist, as doing so may leak foreign exceptions into `-C panic=abort`.
…slice, r=Mark-Simulacrum Add examples for some methods on slices Adds some examples to some methods on slice. `is_empty` didn't have an example for an empty slice, even though `str` and the collections all have one, so I added that in. `first_mut` and `last_mut` didn't have an example for what happens when the slice is empty, whereas `first` and `last` do, so I added that too.
…wjasper match lowering: Split off `test_candidates` into several functions and improve comments The logic of `test_candidates` has three steps: pick a test, sort the candidates, and generate code for everything. So I split it off into three methods. I also ended up reworking the comments that explain the algorithm. In particular I added detailed examples. I removed the digression about rust-lang#29740 because it's no longer relevant to how the code is structured today. r? ``@matthewjasper``
…on, r=Mark-Simulacrum Ignore compiletest test directive migration commits Not sure if the corresponding bors commit need to be included as well, assuming not.
…-obk promotion: don't promote int::MIN / -1 Looks like I entirely forgot about this case when adding the div-by-zero check, which was supposed to ensure that we never promote operations that can fail... Cc rust-lang#80619 This is a breaking change, so needs a crater run. r? ``@oli-obk``
Fix incorrect doc of ScopedJoinHandle::is_finished Fixes the explanation how to use `is_finished` to achieve a non-blocking join. The updated version matches the documentation of the non-scoped JoinHandle::is_finished.
Forbid use of `extern "C-unwind"` inside standard library Those libraries are build with `-C panic=unwind` and is expected to be linkable to `-C panic=abort` library. To ensure unsoundness compiler needs to prevent a `C-unwind` call to exist, as doing so may leak foreign exceptions into `-C panic=abort`. r? ``@RalfJung``
Use `addr_of!` As per rust-lang#121303 (comment)
rustbot
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@bors r+ rollup=never p=7 |
bors
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☀️ Test successful - checks-actions |
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📌 Perf builds for each rolled up PR:
previous master: 381d69953b In the case of a perf regression, run the following command for each PR you suspect might be the cause: |
This was referenced Feb 25, 2024
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Finished benchmarking commit (2ae1bb6): comparison URL. Overall result: ✅ improvements - no action needed@rustbot label: -perf-regression Instruction countThis is a highly reliable metric that was used to determine the overall result at the top of this comment.
Max RSS (memory usage)ResultsThis 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.
CyclesThis benchmark run did not return any relevant results for this metric. Binary sizeResultsThis 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: 649.328s -> 650.564s (0.19%) |
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Successful merges:
test_candidatesinto several functions and improve comments #121374 (match lowering: Split offtest_candidatesinto several functions and improve comments)extern "C-unwind"inside standard library #121551 (Forbid use ofextern "C-unwind"inside standard library)addr_of!#121556 (Useaddr_of!)r? @ghost
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