1 files changed, 23 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-crbug-820820.js b/deps/v8/test/mjsunit/regress/regress-crbug-820820.js
new file mode 100644
index 0000000000..bdee558991
--- /dev/null
+++ b/deps/v8/test/mjsunit/regress/regress-crbug-820820.js
@@ -0,0 +1,23 @@
+// 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* generator() {
+  yield undefined;
+}
+function bar(x) {
+  const objects = [];
+  for (let obj of generator()) {
+  }
+  return objects[0];
+}
+function foo() {
+  try { undefined[0] = bar(); } catch (e) { }
+  Math.min(bar(), bar(), bar());
+}
+foo();
+foo();
+%OptimizeFunctionOnNextCall(foo);
+foo();