705d602bc2
layout computation: gracefully handle unsized types in unexpected locations This PR reworks the layout computation to eagerly return an error when encountering an unsized field where a sized field was expected, rather than delaying a bug and attempting to recover a layout. This is required, because with trivially false where clauses like `[T]: Sized`, any field can possible be an unsized type, without causing a compile error. Since this PR removes the `delayed_bug` method from the `LayoutCalculator` trait, it essentially becomes the same as the `HasDataLayout` trait, so I've also refactored the `LayoutCalculator` to be a simple wrapper struct around a type that implements `HasDataLayout`. The majority of the diff is whitespace changes, so viewing with whitespace ignored is advised. implements https://github.com/rust-lang/rust/pull/123169#issuecomment-2025788480 r? `@compiler-errors` or compiler fixes https://github.com/rust-lang/rust/issues/123134 fixes https://github.com/rust-lang/rust/issues/124182 fixes https://github.com/rust-lang/rust/issues/126939 fixes https://github.com/rust-lang/rust/issues/127737 |
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rust-analyzer is a modular compiler frontend for the Rust language. It is a part of a larger rls-2.0 effort to create excellent IDE support for Rust.
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https://rust-analyzer.github.io/manual.html#installation
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