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1 files changed, 12 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-crbug-1420860.js b/deps/v8/test/mjsunit/regress/regress-crbug-1420860.js
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index 0000000000..0e73026444
--- /dev/null
+++ b/deps/v8/test/mjsunit/regress/regress-crbug-1420860.js
@@ -0,0 +1,12 @@
+// 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.
+
+const v1 = 605.5772560725025.toLocaleString();
+const v2 = [723.31143385306,-2.220446049250313e-16,-2.220446049250313e-16,-730.3736786091615,-1.7184190427817423e+308];
+const v3 = v2.__proto__;
+const v4 = v2.join(v1);
+for (let v5 = 0; v5 < 66; v5++) {
+ v2.valueOf = v2["join"](v2.join(v4));
+ v2.unshift(v3);
+}