diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_7/geniter/yield-new.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_7/geniter/yield-new.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,18 @@
+const K = 20;
+
+var obj;
+
+var g = new function() {
+    this.x = "puppies";
+    obj = this;
+    for (var i = 0; i < K; ++i)
+        yield i;
+    yield this;
+}
+
+var ct = 0;
+for (var i in g)
+    assertEq((ct < K && ct++ == i) || i == obj, true);
+assertEq(i.x, "puppies");
+
+reportCompare(true,true);