diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testGetThis.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testGetThis.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,7 @@
+function testGetThis() {
+    for (var i = 0; i < 3; ++i) {
+        (function() { return this; })();
+    }
+    return "ok";
+}
+assertEq(testGetThis(), "ok");