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save-analysis: Nest tables when processing impl block definitions #65511

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Merged
merged 2 commits into from
Oct 19, 2019
Merged

save-analysis: Nest tables when processing impl block definitions #65511

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5fe88ab
save-analysis: Nest tables when processing impl items
Xanewok Oct 17, 2019
ad6ce46
save-analysis: Add a relevant test case
Xanewok Oct 17, 2019
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21 changes: 12 additions & 9 deletions src/librustc_save_analysis/dump_visitor.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -669,15 +669,18 @@ impl<'l, 'tcx> DumpVisitor<'l, 'tcx> {
}
}
}
self.visit_ty(&typ);
if let &Some(ref trait_ref) = trait_ref {
self.process_path(trait_ref.ref_id, &trait_ref.path);
}
self.process_generic_params(generics, "", item.id);
for impl_item in impl_items {
let map = &self.tcx.hir();
self.process_impl_item(impl_item, map.local_def_id_from_node_id(item.id));
}

let map = &self.tcx.hir();
self.nest_tables(item.id, |v| {
v.visit_ty(&typ);
if let &Some(ref trait_ref) = trait_ref {
v.process_path(trait_ref.ref_id, &trait_ref.path);
}
v.process_generic_params(generics, "", item.id);
for impl_item in impl_items {
v.process_impl_item(impl_item, map.local_def_id_from_node_id(item.id));
}
});
}

fn process_trait(
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15 changes: 15 additions & 0 deletions src/test/ui/save-analysis/issue-65411.rs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
// check-pass
// compile-flags: -Zsave-analysis

trait Trait { type Assoc; }
trait GenericTrait<T> {}
struct Wrapper<B> { b: B }

fn func() {
// Processing associated path in impl block definition inside a function
// body does not ICE
impl<B: Trait> GenericTrait<B::Assoc> for Wrapper<B> {}
}


fn main() {}