1 files changed, 23 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-v8-9267-1.js b/deps/v8/test/mjsunit/regress/regress-v8-9267-1.js
new file mode 100644
index 0000000000..fb3abea634
--- /dev/null
+++ b/deps/v8/test/mjsunit/regress/regress-v8-9267-1.js
@@ -0,0 +1,23 @@
+// 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 bar(a) {
+  return Object.defineProperty(a, 'x', {get() { return 1; }});
+}
+
+function foo() {
+  return Array(1);
+}
+
+%NeverOptimizeFunction(bar);
+%PrepareFunctionForOptimization(foo);
+const o = foo();  // Keep a reference so the GC doesn't kill the map.
+bar(o);
+const a = bar(foo());
+%OptimizeFunctionOnNextCall(foo);
+const b = bar(foo());
+
+assertTrue(%HaveSameMap(a, b));