X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_hir_analysis%2Fsrc%2Fcheck_unused.rs;h=d0c31733481b63ef24e1f5a2e9cc54d37a6a03c9;hb=c38ee06b62af10924259525c652ef29a70e98e08;hp=922833f85806cb30fae864152be3d04e0d02e00e;hpb=214fa9fb9ce2cb5f40c562637ea992adaaab0340;p=rust.git

diff --git a/compiler/rustc_hir_analysis/src/check_unused.rs b/compiler/rustc_hir_analysis/src/check_unused.rs
index 922833f8580..d0c31733481 100644
--- a/compiler/rustc_hir_analysis/src/check_unused.rs
+++ b/compiler/rustc_hir_analysis/src/check_unused.rs
@@ -1,5 +1,6 @@
 use crate::errors::{ExternCrateNotIdiomatic, UnusedExternCrate};
-use rustc_data_structures::fx::{FxHashMap, FxHashSet};
+use rustc_data_structures::fx::FxHashMap;
+use rustc_data_structures::unord::UnordSet;
 use rustc_hir as hir;
 use rustc_hir::def::DefKind;
 use rustc_hir::def_id::{DefId, LocalDefId};
@@ -8,12 +9,12 @@
 use rustc_span::{Span, Symbol};
 
 pub fn check_crate(tcx: TyCtxt<'_>) {
-    let mut used_trait_imports: FxHashSet<LocalDefId> = FxHashSet::default();
+    let mut used_trait_imports: UnordSet<LocalDefId> = Default::default();
 
     for item_def_id in tcx.hir().body_owners() {
         let imports = tcx.used_trait_imports(item_def_id);
         debug!("GatherVisitor: item_def_id={:?} with imports {:#?}", item_def_id, imports);
-        used_trait_imports.extend(imports.iter());
+        used_trait_imports.extend(imports.items().copied());
     }
 
     for &id in tcx.maybe_unused_trait_imports(()) {
@@ -89,11 +90,11 @@ fn unused_crates_lint(tcx: TyCtxt<'_>) {
     let mut crates_to_lint = vec![];
 
     for id in tcx.hir().items() {
-        if matches!(tcx.def_kind(id.def_id), DefKind::ExternCrate) {
+        if matches!(tcx.def_kind(id.owner_id), DefKind::ExternCrate) {
             let item = tcx.hir().item(id);
             if let hir::ItemKind::ExternCrate(orig_name) = item.kind {
                 crates_to_lint.push(ExternCrateToLint {
-                    def_id: item.def_id.to_def_id(),
+                    def_id: item.owner_id.to_def_id(),
                     span: item.span,
                     orig_name,
                     warn_if_unused: !item.ident.as_str().starts_with('_'),