1 files changed, 21 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-crbug-1404820.js b/deps/v8/test/mjsunit/regress/regress-crbug-1404820.js
new file mode 100644
index 0000000000..f8fd6ee0b4
--- /dev/null
+++ b/deps/v8/test/mjsunit/regress/regress-crbug-1404820.js
@@ -0,0 +1,21 @@
+// Copyright 2023 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+(function array_iterator() {
+  let array_iterator_prototype = [].values().__proto__;
+  let iter;
+  array_iterator_prototype.return = function(value) {
+    iter = this;
+    return {value: value, done: true};
+  };
+
+  let array = [["good1"], ["good2"], "bad", "next", 5, 6, 7, 8];
+
+  // Aborted iteration in a builtin.
+  try {
+    new WeakSet(array);
+  } catch (e) {}
+  // iter points at "bad" item, so next() must return "next" value.
+  assertEquals(iter.next().value, "next");
+})();