diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/globalOptimize-4.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/globalOptimize-4.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,8 @@
+
+x = 30;
+assertEq(x, 30);
+
+for (var i = 0; i < 10000; i++)
+  this[i] = 0;
+
+assertEq(x, 30);