1 files changed, 12 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/generators/yield-yield.js b/js/src/jit-test/tests/generators/yield-yield.js
new file mode 100644
index 000000000..123abc5b7
--- /dev/null
+++ b/js/src/jit-test/tests/generators/yield-yield.js
@@ -0,0 +1,12 @@
+// Bug 880447
+
+load(libdir + "asserts.js");
+
+function f() {
+    yield yield 1;
+}
+
+var g = f();
+assertEq(g.next(), 1);
+assertEq(g.send("hello"), "hello");
+assertThrowsValue(() => g.next(), StopIteration);