1 files changed, 19 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-crbug-931664.js b/deps/v8/test/mjsunit/regress/regress-crbug-931664.js
new file mode 100644
index 0000000000..b4fc85367e
--- /dev/null
+++ b/deps/v8/test/mjsunit/regress/regress-crbug-931664.js
@@ -0,0 +1,19 @@
+// 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 opt(){
+  for(l in('a')){
+    try{
+      for(a in('')) {
+        for(let arg2 in(+(arg2)));
+      }
+    }
+    finally{}
+  }
+}
+opt();
+%OptimizeFunctionOnNextCall(opt);
+opt();