1 files changed, 18 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/compiler/regress-958420.js b/deps/v8/test/mjsunit/compiler/regress-958420.js
new file mode 100644
index 0000000000..1601abc6bb
--- /dev/null
+++ b/deps/v8/test/mjsunit/compiler/regress-958420.js
@@ -0,0 +1,18 @@
+// 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
+
+var a = [];
+
+function foo() {
+  return a[Symbol.iterator]().next();
+}
+
+a.__proto__.push(5);
+a.bla = {};
+
+foo();
+%OptimizeFunctionOnNextCall(foo);
+foo();