diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_8_5/regress/regress-665355.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_8_5/regress/regress-665355.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,16 @@
+var x = new ArrayBuffer(2);
+
+var test = function(newProto) {
+try {
+    x.__proto__ = newProto;
+    return false;
+} catch(e) {
+    return true;
+}
+}
+
+assertEq(test(x), true);
+assertEq(test({}), true);
+assertEq(test(null), true);
+
+reportCompare(true, true);