Nicholas Nethercote b711f5689f Invert dependency between rustc_errors and rustc_abi. ...

Currently, `rustc_errors` depends on `rustc_abi`, which depends on
`rustc_error_messages`. This is a bit odd.

`rustc_errors` depends on `rustc_abi` for a single reason: `rustc_abi`
defines a type `TargetDataLayoutErrors` and `rustc_errors` impls
`Diagnostic` for that type.

We can get a more natural relationship by inverting the dependency,
moving the `Diagnostic` trait upstream. Then `rustc_abi` defines
`TargetDataLayoutErrors` and also impls `Diagnostic` for it.
`rustc_errors` is already pretty far upstream in the crate graph, it
doesn't hurt to push it a little further because errors are a very
low-level concept.

2026-03-30 14:15:36 +11:00

..

src

Invert dependency between rustc_errors and rustc_abi.

2026-03-30 14:15:36 +11:00

Cargo.toml

Invert dependency between rustc_errors and rustc_abi.

2026-03-30 14:15:36 +11:00