1 files changed, 15 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/es6/string-iterator5.js b/deps/v8/test/mjsunit/es6/string-iterator5.js
new file mode 100644
index 0000000000..ec9754a4bd
--- /dev/null
+++ b/deps/v8/test/mjsunit/es6/string-iterator5.js
@@ -0,0 +1,15 @@
+// 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
+
+// Tests for primitive strings.
+
+var iterator = 'ott'[Symbol.iterator]();
+
+// These modifications shouldn't invalidate the String iterator protector.
+iterator.__proto__.fonts = {};
+assertTrue(%StringIteratorProtector());
+iterator.__proto__[0] = 0;
+assertTrue(%StringIteratorProtector());