diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/arrays/nonwritable-length-grow-capacity.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/arrays/nonwritable-length-grow-capacity.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,2 @@
+var arr = Object.defineProperty([], "length", { writable: false, value: 12 });
+arr[11] = true;