diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/generators/throw-on-finished.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/generators/throw-on-finished.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,7 @@
+load(libdir + "asserts.js");
+
+function*g(){ };
+o = g();
+o.next();
+function TestException() {};
+assertThrowsInstanceOf(() => o.throw(new TestException()), TestException);