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Auto merge of #96521 - petrochenkov:docrules, r=notriddle,GuillaumeGomez

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rustdoc: Resolve doc links referring to `macro_rules` items

cc https://github.com/rust-lang/rust/issues/81633

UPD: the fallback to considering *all* `macro_rules` in the crate for unresolved names is not removed in this PR, it will be removed separately and will be run through crater.
This commit is contained in:
bors 2022-05-01 20:28:10 +00:00
commit 4dd8b420c0
11 changed files with 175 additions and 41 deletions
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6
compiler/rustc_resolve/src/build_reduced_graph.rs
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@ -1267,13 +1267,15 @@ impl<'a, 'b> BuildReducedGraphVisitor<'a, 'b> {
self.insert_unused_macro(ident, def_id, item.id);
}
self.r.visibilities.insert(def_id, vis);
self.r.arenas.alloc_macro_rules_scope(MacroRulesScope::Binding(
let scope = self.r.arenas.alloc_macro_rules_scope(MacroRulesScope::Binding(
self.r.arenas.alloc_macro_rules_binding(MacroRulesBinding {
parent_macro_rules_scope: parent_scope.macro_rules,
binding,
ident,
}),
))
));
self.r.macro_rules_scopes.insert(def_id, scope);
scope
} else {
let module = parent_scope.module;
let vis = match item.kind {