1 files changed, 14 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-charat-empty.js b/deps/v8/test/mjsunit/regress/regress-charat-empty.js
new file mode 100644
index 0000000000..6548ad5b2f
--- /dev/null
+++ b/deps/v8/test/mjsunit/regress/regress-charat-empty.js
@@ -0,0 +1,14 @@
+// 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: --opt --no-always-opt --allow-natives-syntax
+(() => {
+  function f(s) {
+    return s.charAt();
+  }
+  f("");
+  f("");
+  %OptimizeFunctionOnNextCall(f);
+  f("");
+})();