diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_5/Function/Function-arguments-gc.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_5/Function/Function-arguments-gc.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,40 @@
+// |reftest| skip-if(Android)
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ * Contributor:
+ *   Christian Holler <decoder@own-hero.net>
+ */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 623301;
+var summary = "Properly root argument names during Function()";
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+if (typeof gczeal === "function")
+  gczeal(2);
+
+function crashMe(n)
+{
+  var nasty = [];
+  while (n--)
+    nasty.push("a" + n);
+  return Function.apply(null, nasty);
+}
+
+var count = 64; // exact value not important
+assertEq(crashMe(count + 1).length, count);
+
+if (typeof gczeal === "function")
+    gczeal(0); // reset
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("All tests passed!");