diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/getgname.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/getgname.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,37 @@
+var x = 13;
+
+function ReturnArray() {
+    return Array;
+}
+function ReturnObject() {
+    return Object;
+}
+function ReturnX() {
+    return x;
+}
+
+y = null;
+function ReturnY() {
+    return y;
+}
+z = "3";
+z = null;
+function ReturnZ() {
+    return z;
+}
+
+for (var i = 0; i < 100; i++)
+    ReturnArray();
+for (var i = 0; i < 100; i++)
+    ReturnX();
+for (var i = 0; i < 100; i++)
+    ReturnZ();
+
+gc();
+
+assertEq(ReturnArray(), Array);
+assertEq(ReturnObject(), Object);
+assertEq(ReturnX(), 13);
+assertEq(ReturnY(), null);
+assertEq(ReturnZ(), null);
+