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-rw-r--r--src/librustdoc/html/static/js/search.js4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/librustdoc/html/static/js/search.js b/src/librustdoc/html/static/js/search.js
index 10e01b4e262..0011544d16e 100644
--- a/src/librustdoc/html/static/js/search.js
+++ b/src/librustdoc/html/static/js/search.js
@@ -2060,7 +2060,9 @@ class DocSearch {
             // Deprecated and unstable items and items with no description
             this.searchIndexDeprecated.set(crate, new RoaringBitmap(crateCorpus.c));
             this.searchIndexEmptyDesc.set(crate, new RoaringBitmap(crateCorpus.e));
-            this.searchIndexUnstable.set(crate, new RoaringBitmap(crateCorpus.u));
+            if (crateCorpus.u !== undefined && crateCorpus.u !== null) {
+                this.searchIndexUnstable.set(crate, new RoaringBitmap(crateCorpus.u));
+            }
             let descIndex = 0;
 
             /**