1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/non262/extensions/uneval/regress-380933.js b/js/src/tests/non262/extensions/uneval/regress-380933.js
new file mode 100644
index 0000000000..8033f886e7
--- /dev/null
+++ b/js/src/tests/non262/extensions/uneval/regress-380933.js
@@ -0,0 +1,29 @@
+// |reftest| skip-if(!this.uneval)
+
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+var BUGNUMBER = 380933;
+var summary = 'Do not assert with uneval object with setter with modified proto';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+var f = (function(){});
+var y =
+  Object.defineProperty({}, "p",
+  {
+    get: f,
+    enumerable: true,
+    configurable: true
+  });
+f.__proto__ = [];
+uneval(y);
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");
+