1 files changed, 15 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-crbug-959645-1.js b/deps/v8/test/mjsunit/regress/regress-crbug-959645-1.js
new file mode 100644
index 0000000000..afe9612db4
--- /dev/null
+++ b/deps/v8/test/mjsunit/regress/regress-crbug-959645-1.js
@@ -0,0 +1,15 @@
+// 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 --modify-field-representations-inplace
+
+function f(array, x) {
+  array.x = x;
+  array[0] = 1.1;
+  return array;
+}
+
+f([1], 1);
+f([2], 1);
+%HeapObjectVerify(f([3], undefined));