migrate some of `rustc_passes::check_attr`'s diagnostics and derive improvements - #99213

Merged

bors merged 5 commits into

rust-lang:masterfrom

davidtwco:translation-migrate-passes

Jul 16, 2022

Commits on Jul 15, 2022

errors: impl `IntoDiagnosticArg` for `char`
davidtwco
committed
06f4806
errors: lint on `LintDiagnosticBuilder::build`
davidtwco
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c3fdf74
macros: support `MultiSpan` in diag derives
davidtwco
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88c11c5
macros: support adding warnings to diags
davidtwco
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81cf229
passes: migrate half of `check_attr`
davidtwco
committed
78b19a9