diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/bug631082.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/bug631082.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,13 @@
+var t;
+(function () {
+    t = (function() {
+            yield k();
+        })();
+    function h() {
+    }
+    function k() {
+        return function() { h(); };
+    }
+})();
+t.next();
+