diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/gc/bug-978353.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/gc/bug-978353.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,6 @@
+var arr = new Float64Array(2);
+function test(m) {
+    arr[1] = m;
+}
+for(var i=0; i<20000; ++i, Array('x'))
+    test(0);