diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug916752.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug916752.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,20 @@
+function test() { return "x,y,z"; };
+function testClear() {
+  test().split(',');
+}
+loadFile("1");
+loadFile("testClear();");
+loadFile("2");
+loadFile("gc();");
+loadFile("testClear();");
+loadFile("new test(0);");
+function loadFile(lfVarx) {
+        if (lfVarx.substr(-3) != ".js" && lfVarx.length != 1) {
+            switch (lfRunTypeId) {
+                case 2: new Function(lfVarx)(); break;
+                default: evaluate(lfVarx); break;
+            }
+        } else if (!isNaN(lfVarx)) {
+            lfRunTypeId = parseInt(lfVarx);
+    }
+}