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diff --git a/deps/v8/test/mjsunit/regress/regress-loop-var-assign-without-block-scope.js b/deps/v8/test/mjsunit/regress/regress-loop-var-assign-without-block-scope.js
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index 0000000000..8c85c1380f
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+++ b/deps/v8/test/mjsunit/regress/regress-loop-var-assign-without-block-scope.js
@@ -0,0 +1,14 @@
+// Copyright 2019 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.
+
+// Flags: --allow-natives-syntax
+function f() {
+ // Loop with a body that's not wrapped in a block.
+ for (i = 0; i < 2; i++)
+ var x = i, // var x that's assigned on each iteration
+ y = y||(()=>x), // single arrow function that returns x
+ z = (%OptimizeFunctionOnNextCall(y), y()); // optimize y on first iteration
+ return y()
+};
+assertEquals(1, f())