1 files changed, 21 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/es6/spread-array-prototype-proxy.js b/deps/v8/test/mjsunit/es6/spread-array-prototype-proxy.js
new file mode 100644
index 0000000000..ed38228c28
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+++ b/deps/v8/test/mjsunit/es6/spread-array-prototype-proxy.js
@@ -0,0 +1,21 @@
+// 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.
+
+// Flags: --allow-natives-syntax
+
+
+(function TestPrototypeProxy() {
+  const backup = Array.prototype.__proto__;
+  Array.prototype.__proto__ = new Proxy({}, {set() {throw 666}});
+
+  function f() {
+    return ['a', ...['b', 'c', 'd'], 'e']
+  }
+
+  assertArrayEquals(['a', 'b', 'c', 'd', 'e'], f());
+  %OptimizeFunctionOnNextCall(f);
+  assertArrayEquals(['a', 'b', 'c', 'd', 'e'], f());
+
+  Object.setPrototypeOf(Array.prototype, backup);
+})();