Rollup of 24 pull requests#159046
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…ives_bounds for opaques
This change prevents our lints from returning a span with stuff in it that isn't actually part of the doc comment. When that happens, it returns `None` instead.
It requires an allocation, and doesn't seem to help in practice. Fixes a nit found during review.
Co-authored-by: binarycat <binarycat@envs.net>
Co-authored-by: binarycat <binarycat@envs.net>
Co-authored-by: binarycat <binarycat@envs.net>
…st from delegation parent
…iles instead of .rs files
The function `fn best_blame_constraint()` returns a `Vec<OutlivesConstraint>` and a `BlameConstraint`. The `BlameConstraint` is really just a slimmed down version of an `OutlivesConstraint`. So we can remove `BlameConstraint` entirely and instead return `Vec<OutlivesConstraint>` and an index into that `Vec`. (Encapsulated in a struct for nice ergonomics.) To prepare for that, change the code to adjust `Vec<OutlivesConstraint>` in-place and return info about the adjusted element, rather than returning info for a newly created "fake" `OutlivesConstraint`.
A recent change in InstSimplify is able to skip the `and` in this codegen, which is strictly an improvement. We accept the new version on newer LLVM and the old verison on older ones using the revisions system. The change in array-cmp.rs appears to have come from the same revision, so I gave it the same treatment. It's weirder to me though, because it merely changes the order of the phi operands which if I understand right doesn't actually matter.
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Rollup of 24 pull requests try-job: dist-various-1 try-job: test-various try-job: x86_64-gnu-aux try-job: x86_64-gnu-llvm-21-3 try-job: x86_64-msvc-1 try-job: aarch64-apple try-job: x86_64-mingw-1 try-job: i686-msvc-*
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Successful merges:
std::io::Writetocore::io#158541 (Movestd::io::Writetocore::io)'static#156508 (Infer all anonymous lifetimes in assoc consts as'static)-Zlsdiagnostic message on.rsfiles #158859 (Improve-Zlsdiagnostic message on.rsfiles)TokenStreamIter#158988 (RedoTokenStreamIter)ConstArgHasTypepredicates #158722 (delegation: do not always inheritConstArgHasTypepredicates)pathfrombest_blame_constraint()consistent #158877 (borrowck: Keep returnedpathfrombest_blame_constraint()consistent)no_stdattribute #158886 (Add documentation for theno_stdattribute)char_to_u32#158940 (Implement featurechar_to_u32)MaxUniverses into one #158951 (Merge threeMaxUniverses into one)PartialOrdviaOrdforSpanand newtype_indexes #158996 ([compiler] ImplementPartialOrdviaOrdforSpanand newtype_indexes)r? @ghost
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