1 files changed, 16 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/compiler/regress-890057.js b/deps/v8/test/mjsunit/compiler/regress-890057.js
new file mode 100644
index 0000000000..655c4431e9
--- /dev/null
+++ b/deps/v8/test/mjsunit/compiler/regress-890057.js
@@ -0,0 +1,16 @@
+// 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 f() {}
+function g() {
+  f.prototype = undefined;
+  f();
+  new f();
+}
+
+// Do not use %OptimizeFunctionOnNextCall here, this particular bug needs
+// to trigger truly concurrent compilation.
+for (let i = 0; i < 10000; i++) g();