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Rollup merge of #130033 - compiler-errors:foreign-fn-types, r=BoxyUwU

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Don't call `fn_arg_names` query for non-`fn` foreign items in resolver

Fixes #130015
This commit is contained in:
Matthias Krüger 2024-09-16 21:53:06 +02:00 • committed by GitHub
commit 7be15b850f
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4 changed files with 53 additions and 24 deletions
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49
compiler/rustc_resolve/src/late/diagnostics.rs
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@ -2068,33 +2068,34 @@ impl<'ast, 'ra: 'ast, 'tcx> LateResolutionVisitor<'_, 'ast, 'ra, 'tcx> {
) {
let res = binding.res();
if filter_fn(res) {
let def_id = res.def_id();
let has_self = match def_id.as_local() {
Some(def_id) => {
self.r.delegation_fn_sigs.get(&def_id).map_or(false, |sig| sig.has_self)
}
None => self
.r
.tcx
.fn_arg_names(def_id)
.first()
.is_some_and(|ident| ident.name == kw::SelfLower),
};
if has_self {
return Some(AssocSuggestion::MethodWithSelf { called });
} else {
match res {
Res::Def(DefKind::AssocFn, _) => {
match res {
Res::Def(DefKind::Fn | DefKind::AssocFn, def_id) => {
let has_self = match def_id.as_local() {
Some(def_id) => self
.r
.delegation_fn_sigs
.get(&def_id)
.map_or(false, |sig| sig.has_self),
None => self
.r
.tcx
.fn_arg_names(def_id)
.first()
.is_some_and(|ident| ident.name == kw::SelfLower),
};
if has_self {
return Some(AssocSuggestion::MethodWithSelf { called });
} else {
return Some(AssocSuggestion::AssocFn { called });
}
Res::Def(DefKind::AssocConst, _) => {
return Some(AssocSuggestion::AssocConst);
}
Res::Def(DefKind::AssocTy, _) => {
return Some(AssocSuggestion::AssocType);
}
_ => {}
}
Res::Def(DefKind::AssocConst, _) => {
return Some(AssocSuggestion::AssocConst);
}
Res::Def(DefKind::AssocTy, _) => {
return Some(AssocSuggestion::AssocType);
}
_ => {}
}
}
}