diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testArrayNamedProp.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testArrayNamedProp.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,5 @@
+function testArrayNamedProp() {
+    for (var x = 0; x < 10; ++x) { [4].sort-- }
+    return "ok";
+}
+assertEq(testArrayNamedProp(), "ok");