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1 files changed, 18 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-843062-1.js b/deps/v8/test/mjsunit/regress/regress-843062-1.js
new file mode 100644
index 0000000000..60ea65abf5
--- /dev/null
+++ b/deps/v8/test/mjsunit/regress/regress-843062-1.js
@@ -0,0 +1,18 @@
+// Copyright 2018 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.
+
+var sparse_array = [];
+
+sparse_array[100] = 3;
+sparse_array[200] = undefined;
+sparse_array[300] = 4;
+sparse_array[400] = 5;
+sparse_array[500] = 6;
+sparse_array[600] = 5;
+sparse_array[700] = 4;
+sparse_array[800] = undefined;
+sparse_array[900] = 3
+sparse_array[41999] = "filler";
+
+sparse_array.lastIndexOf(3, 99);