diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/bug688939.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/bug688939.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,4 @@
+gczeal(2);
+string=""
+for (var i = 0; i < 100; i++ )
+  hex=newGlobal('same-compartment');