Start migration for `LintDiagnostic` items by adding API and migrating `LinkerOutput` lint#152933

Merged

rust-bors[bot] merged 3 commits intorust-lang:mainfrom

GuillaumeGomez:start-migrating-lintdiag

Feb 22, 2026

Commits on Feb 21, 2026

Add new `MultiSpan` methods: `push_primary_span`, `push_span_diag` and `span_labels_raw`
GuillaumeGomez
committed
Create new `diag_lint_level` function, aiming to replace `lint_level` once all `LintDiagnostic` items have been removed
GuillaumeGomez
committed
Migrate `LinkerOutput` lint to `Diagnostic`
GuillaumeGomez
committed