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Fix infinite loop in rustdoc get_all_import_attributes function

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This commit is contained in:
Guillaume Gomez 2023-01-27 12:09:50 +01:00
parent 18890f05f6
commit b8c44fa414
1 changed files with 3 additions and 1 deletions
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4
src/librustdoc/clean/mod.rs
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@ -2112,10 +2112,12 @@ fn get_all_import_attributes<'hir>(
) {
let hir_map = tcx.hir();
let mut visitor = OneLevelVisitor::new(hir_map, target_def_id);
let mut visited = FxHashSet::default();
// If the item is an import and has at least a path with two parts, we go into it.
while let hir::ItemKind::Use(path, _) = item.kind &&
path.segments.len() > 1 &&
let hir::def::Res::Def(_, def_id) = path.segments[path.segments.len() - 2].res
let hir::def::Res::Def(_, def_id) = path.segments[path.segments.len() - 2].res &&
visited.insert(def_id)
{
if let Some(hir::Node::Item(parent_item)) = hir_map.get_if_local(def_id) {
// We add the attributes from this import into the list.