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rust/compiler/rustc_middle
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Matthias Krüger 2fd3007cbc
Rollup merge of #130514 - compiler-errors:unsafe-binders, r=oli-obk 
Implement MIR lowering for unsafe binders

This is the final bit of the unsafe binders puzzle. It implements MIR, CTFE, and codegen for unsafe binders, and enforces that (for now) they are `Copy`. Later on, I'll introduce a new trait that relaxes this requirement to being "is `Copy` or `ManuallyDrop<T>`" which more closely models how we treat union fields.

Namely, wrapping unsafe binders is now `Rvalue::WrapUnsafeBinder`, which acts much like an `Rvalue::Aggregate`. Unwrapping unsafe binders are implemented as a MIR projection `ProjectionElem::UnwrapUnsafeBinder`, which acts much like `ProjectionElem::Field`.

Tracking:
- https://github.com/rust-lang/rust/issues/130516
2025-02-01 16:41:03 +01:00
..
src Rollup merge of #130514 - compiler-errors:unsafe-binders, r=oli-obk 2025-02-01 16:41:03 +01:00
Cargo.toml best_blame_constraint: prioritize blaming interesting-seeming constraints 2025-01-06 16:12:11 -08:00
messages.ftl Auto merge of #134424 - 1c3t3a:null-checks, r=saethlin 2025-01-31 15:56:53 +00:00
README.md

README.md

For more information about how rustc works, see the rustc dev guide.