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path: root/src/librustdoc/html/render/search_index.rs
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-rw-r--r--src/librustdoc/html/render/search_index.rs16
1 files changed, 10 insertions, 6 deletions
diff --git a/src/librustdoc/html/render/search_index.rs b/src/librustdoc/html/render/search_index.rs
index 3c9be29ccc3..6f1765a598b 100644
--- a/src/librustdoc/html/render/search_index.rs
+++ b/src/librustdoc/html/render/search_index.rs
@@ -105,12 +105,16 @@ pub(crate) fn build_index(
     let mut aliases: BTreeMap<String, Vec<usize>> = BTreeMap::new();
 
     // Sort search index items. This improves the compressibility of the search index.
-    cache.search_index.sort_unstable_by(|k1, k2| {
-        // `sort_unstable_by_key` produces lifetime errors
-        // HACK(rustdoc): should not be sorting `CrateNum` or `DefIndex`, this will soon go away, too
-        let k1 = (&k1.path, k1.name.as_str(), &k1.ty, k1.parent.map(|id| (id.index, id.krate)));
-        let k2 = (&k2.path, k2.name.as_str(), &k2.ty, k2.parent.map(|id| (id.index, id.krate)));
-        Ord::cmp(&k1, &k2)
+    Symbol::with_interner(|inner| {
+        cache.search_index.sort_unstable_by(|k1, k2| {
+            // `sort_unstable_by_key` produces lifetime errors
+            // HACK(rustdoc): should not be sorting `CrateNum` or `DefIndex`, this will soon go
+            // away, too
+            let pair = |k: &IndexItem| k.parent.map(|id| (id.index, id.krate));
+            let k1 = (&k1.path, inner.get_str(k1.name), &k1.ty, pair(k1));
+            let k2 = (&k2.path, inner.get_str(k2.name), &k2.ty, pair(k2));
+            Ord::cmp(&k1, &k2)
+        });
     });
 
     // Set up alias indexes.