diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/auto-regress/bug745452.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/auto-regress/bug745452.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,7 @@
+// Binary: cache/js-dbg-64-55e7efcc1946-linux
+// Flags:
+//
+
+var o = Object.preventExtensions(new ArrayBuffer);
+try { (function () { o.__proto__ = ({ __proto__: o, indexArray: ["abc"] }); })(); } catch(exc) {}
+uneval(this);