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-rw-r--r--compiler/rustc_incremental/src/assert_module_sources.rs2
-rw-r--r--compiler/rustc_incremental/src/persist/dirty_clean.rs8
-rw-r--r--compiler/rustc_incremental/src/persist/fs.rs15
-rw-r--r--compiler/rustc_incremental/src/persist/fs/tests.rs13
-rw-r--r--compiler/rustc_incremental/src/persist/work_product.rs7
5 files changed, 15 insertions, 30 deletions
diff --git a/compiler/rustc_incremental/src/assert_module_sources.rs b/compiler/rustc_incremental/src/assert_module_sources.rs
index 3d9b1c2e741..0111a6d302d 100644
--- a/compiler/rustc_incremental/src/assert_module_sources.rs
+++ b/compiler/rustc_incremental/src/assert_module_sources.rs
@@ -119,7 +119,7 @@ impl<'tcx> AssertModuleSource<'tcx> {
 
         if !self.available_cgus.contains(&cgu_name) {
             let cgu_names: Vec<&str> =
-                self.available_cgus.items().map(|cgu| cgu.as_str()).into_sorted_stable_ord(true);
+                self.available_cgus.items().map(|cgu| cgu.as_str()).into_sorted_stable_ord();
             self.tcx.sess.emit_err(errors::NoModuleNamed {
                 span: attr.span,
                 user_path,
diff --git a/compiler/rustc_incremental/src/persist/dirty_clean.rs b/compiler/rustc_incremental/src/persist/dirty_clean.rs
index 786a0e0d3b2..cbe77e7b16d 100644
--- a/compiler/rustc_incremental/src/persist/dirty_clean.rs
+++ b/compiler/rustc_incremental/src/persist/dirty_clean.rs
@@ -198,7 +198,7 @@ impl<'tcx> DirtyCleanVisitor<'tcx> {
         let (name, mut auto) = self.auto_labels(item_id, attr);
         let except = self.except(attr);
         let loaded_from_disk = self.loaded_from_disk(attr);
-        for e in except.items().map(|x| x.as_str()).into_sorted_stable_ord(false) {
+        for e in except.items().map(|x| x.as_str()).into_sorted_stable_ord() {
             if !auto.remove(e) {
                 self.tcx.sess.emit_fatal(errors::AssertionAuto { span: attr.span, name, e });
             }
@@ -377,16 +377,16 @@ impl<'tcx> DirtyCleanVisitor<'tcx> {
                 continue;
             };
             self.checked_attrs.insert(attr.id);
-            for label in assertion.clean.items().map(|x| x.as_str()).into_sorted_stable_ord(false) {
+            for label in assertion.clean.items().map(|x| x.as_str()).into_sorted_stable_ord() {
                 let dep_node = DepNode::from_label_string(self.tcx, &label, def_path_hash).unwrap();
                 self.assert_clean(item_span, dep_node);
             }
-            for label in assertion.dirty.items().map(|x| x.as_str()).into_sorted_stable_ord(false) {
+            for label in assertion.dirty.items().map(|x| x.as_str()).into_sorted_stable_ord() {
                 let dep_node = DepNode::from_label_string(self.tcx, &label, def_path_hash).unwrap();
                 self.assert_dirty(item_span, dep_node);
             }
             for label in
-                assertion.loaded_from_disk.items().map(|x| x.as_str()).into_sorted_stable_ord(false)
+                assertion.loaded_from_disk.items().map(|x| x.as_str()).into_sorted_stable_ord()
             {
                 let dep_node = DepNode::from_label_string(self.tcx, &label, def_path_hash).unwrap();
                 self.assert_loaded_from_disk(item_span, dep_node);
diff --git a/compiler/rustc_incremental/src/persist/fs.rs b/compiler/rustc_incremental/src/persist/fs.rs
index 550772a6881..243057b99bc 100644
--- a/compiler/rustc_incremental/src/persist/fs.rs
+++ b/compiler/rustc_incremental/src/persist/fs.rs
@@ -676,11 +676,8 @@ pub fn garbage_collect_session_directories(sess: &Session) -> io::Result<()> {
 
     // Delete all lock files, that don't have an associated directory. They must
     // be some kind of leftover
-    let lock_file_to_session_dir_iter = lock_file_to_session_dir
-        .items()
-        .map(|(file, dir)| (file.as_str(), dir.as_ref().map(|y| y.as_str())));
     for (lock_file_name, directory_name) in
-        lock_file_to_session_dir_iter.into_sorted_stable_ord(false)
+        lock_file_to_session_dir.items().into_sorted_stable_ord()
     {
         if directory_name.is_none() {
             let Ok(timestamp) = extract_timestamp_from_session_dir(lock_file_name) else {
@@ -712,10 +709,10 @@ pub fn garbage_collect_session_directories(sess: &Session) -> io::Result<()> {
     }
 
     // Filter out `None` directories
-    let lock_file_to_session_dir: UnordMap<String, String> =
-        UnordMap::from(lock_file_to_session_dir.into_items().filter_map(
-            |(lock_file_name, directory_name)| directory_name.map(|n| (lock_file_name, n)),
-        ));
+    let lock_file_to_session_dir: UnordMap<String, String> = lock_file_to_session_dir
+        .into_items()
+        .filter_map(|(lock_file_name, directory_name)| directory_name.map(|n| (lock_file_name, n)))
+        .into();
 
     // Delete all session directories that don't have a lock file.
     for directory_name in session_directories {
@@ -821,7 +818,7 @@ pub fn garbage_collect_session_directories(sess: &Session) -> io::Result<()> {
             }
             None
         });
-    let deletion_candidates = UnordMap::from(deletion_candidates);
+    let deletion_candidates = deletion_candidates.into();
 
     // Delete all but the most recent of the candidates
     all_except_most_recent(deletion_candidates).into_items().all(|(path, lock)| {
diff --git a/compiler/rustc_incremental/src/persist/fs/tests.rs b/compiler/rustc_incremental/src/persist/fs/tests.rs
index 4c1cb5725dc..644b8187621 100644
--- a/compiler/rustc_incremental/src/persist/fs/tests.rs
+++ b/compiler/rustc_incremental/src/persist/fs/tests.rs
@@ -2,23 +2,16 @@ use super::*;
 
 #[test]
 fn test_all_except_most_recent() {
-    let computed: UnordMap<_, Option<flock::Lock>> = UnordMap::from_iter([
+    let input: UnordMap<_, Option<flock::Lock>> = UnordMap::from_iter([
         ((UNIX_EPOCH + Duration::new(4, 0), PathBuf::from("4")), None),
         ((UNIX_EPOCH + Duration::new(1, 0), PathBuf::from("1")), None),
         ((UNIX_EPOCH + Duration::new(5, 0), PathBuf::from("5")), None),
         ((UNIX_EPOCH + Duration::new(3, 0), PathBuf::from("3")), None),
         ((UNIX_EPOCH + Duration::new(2, 0), PathBuf::from("2")), None),
     ]);
-    let mut paths = UnordSet::default();
-    paths.extend_unord(all_except_most_recent(computed).into_items().map(|(path, _)| path));
     assert_eq!(
-        UnordSet::from(paths),
-        UnordSet::from_iter([
-            PathBuf::from("1"),
-            PathBuf::from("2"),
-            PathBuf::from("3"),
-            PathBuf::from("4")
-        ])
+        all_except_most_recent(input).into_items().map(|(path, _)| path).into_sorted_stable_ord(),
+        vec![PathBuf::from("1"), PathBuf::from("2"), PathBuf::from("3"), PathBuf::from("4")]
     );
 
     assert!(all_except_most_recent(UnordMap::default()).is_empty());
diff --git a/compiler/rustc_incremental/src/persist/work_product.rs b/compiler/rustc_incremental/src/persist/work_product.rs
index ae604b2ca0b..bce5ca1e16b 100644
--- a/compiler/rustc_incremental/src/persist/work_product.rs
+++ b/compiler/rustc_incremental/src/persist/work_product.rs
@@ -46,12 +46,7 @@ pub fn copy_cgu_workproduct_to_incr_comp_cache_dir(
 
 /// Removes files for a given work product.
 pub fn delete_workproduct_files(sess: &Session, work_product: &WorkProduct) {
-    for path in work_product
-        .saved_files
-        .items()
-        .map(|(_, path)| path.as_str())
-        .into_sorted_stable_ord(false)
-    {
+    for (_, path) in work_product.saved_files.items().into_sorted_stable_ord() {
         let path = in_incr_comp_dir_sess(sess, path);
         if let Err(err) = std_fs::remove_file(&path) {
             sess.emit_warning(errors::DeleteWorkProduct { path: &path, err });