1 files changed, 12 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-crbug-1248704.js b/deps/v8/test/mjsunit/regress/regress-crbug-1248704.js
new file mode 100644
index 0000000000..06ef707871
--- /dev/null
+++ b/deps/v8/test/mjsunit/regress/regress-crbug-1248704.js
@@ -0,0 +1,12 @@
+// Copyright 2021 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.
+
+let evil = {
+  valueOf: function () {
+    array.length = 1;
+  }
+};
+let array = [1, 2, 3];
+let newArray = array.slice(evil);
+assertEquals(3, newArray.length);