Matthias Krüger f0a0f8f7e8 Rollup merge of #123043 - GoldsteinE:fix/repr-c-dead-branches, r=oli-obk ... Disable dead variant removal for `#[repr(C)]` enums. This prevents removing dead branches from a `#[repr(C)]` enum (they now get discriminants allocated as if they were inhabited). Implementation notes: ABI of something like ```rust #[repr(C)] enum Foo { Foo(!), } ``` is still `Uninhabited`, but its layout is now computed as if all the branches were inhabited. This seemed to me like a proper way to do it, especially given that ABI sanity check explicitly asserts that type-level uninhabitedness implies ABI uninhabitedness. This probably needs some sort of FCP (given that it changes `#[repr(C)]` layout, which is a stable guarantee), but I’m not sure how to call for one or which team is the most relevant. See https://github.com/rust-lang/unsafe-code-guidelines/issues/500.		2024-07-04 18:16:22 +02:00
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src	Rollup merge of #123043 - GoldsteinE:fix/repr-c-dead-branches, r=oli-obk	2024-07-04 18:16:22 +02:00
Cargo.toml	Update to bitflags 2 in the compiler	2023-12-30 18:17:28 +01:00