Remove `skip_arg` attribute from `Diagnostic` and `Subdiagnostic` proc-macros - #157070

Merged

rust-bors[bot] merged 3 commits into

rust-lang:mainfrom

GuillaumeGomez:rm-skip_arg

Jun 2, 2026

Commits on Jun 2, 2026

Remove `skip_arg` attribute from `Diagnostic` and `Subdiagnostic` proc-macros, skipping fields based on whether or not they are used in error messages
GuillaumeGomez
committed
5521a56
Remove `#[skip_arg]` references from rustc-dev-guide
GuillaumeGomez
committed
551940e
Fix compilation error because of `potential_query_instability` in `diagnostics/message.rs`
GuillaumeGomez
committed
579831c