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Matthias Krüger 21ddd7ab89
Rollup merge of #135748 - compiler-errors:len-2, r=RalfJung,oli-obk 
Lower index bounds checking to `PtrMetadata`, this time with the right fake borrow semantics 😸

Change `Rvalue::RawRef` to take a `RawRefKind` instead of just a `Mutability`. Then introduce `RawRefKind::FakeForPtrMetadata` and use that for lowering index bounds checking to a `PtrMetadata`. This new `RawRefKind::FakeForPtrMetadata` acts like a shallow fake borrow in borrowck, which mimics the semantics of the old `Rvalue::Len` operation we're replacing.

We can then use this `RawRefKind` instead of using a span desugaring hack in CTFE.

cc ``@scottmcm`` ``@RalfJung``
2025-01-28 14:23:22 +01:00
..
src Rollup merge of #135748 - compiler-errors:len-2, r=RalfJung,oli-obk 2025-01-28 14:23:22 +01:00
Cargo.toml Shorten linker output even more when --verbose is not present 2025-01-25 16:04:52 -05:00
messages.ftl Auto merge of #119286 - jyn514:linker-output, r=bjorn3 2025-01-25 17:16:33 +00:00
README.md mv compiler to compiler/ 2020-08-30 18:45:07 +03:00

README.md

Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.