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Merged
merged 3 commits into from
Mar 29, 2019
Merged

Visit ImplItem in dead_code lint #59486

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b3011dd
Visit ItemKind::Impl for dead code lint
varkor Mar 28, 2019
40db575
Add a regression test for #47131
varkor Mar 28, 2019
8cdfad9
Walk all items for dead_code lint by default
varkor Mar 28, 2019
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Visit ItemKind::Impl for dead code lint
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@varkor
varkor committed Mar 28, 2019
commit b3011dd711ea8bf4bcb04d96aff814863eff3973
1 change: 1 addition & 0 deletions src/librustc/middle/dead.rs
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Expand Up @@ -172,6 +172,7 @@ impl<'a, 'tcx> MarkSymbolVisitor<'a, 'tcx> {
| hir::ItemKind::Ty(..)
| hir::ItemKind::Static(..)
| hir::ItemKind::Existential(..)
| hir::ItemKind::Impl(..)
| hir::ItemKind::Const(..) => {
intravisit::walk_item(self, &item);
}
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@Centril Centril Mar 28, 2019

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Remove _ => () and replace with "exhaustive" match to avoid future problems?

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@petrochenkov petrochenkov Mar 28, 2019

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I'm not actually sure why this is not

_ => {
    intravisit::walk_item(self, &item);
}

If that doesn't break anything, then walk_item can be moved out of the match.

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