diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug931496.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug931496.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,11 @@
+
+function g() {
+    yield
+}
+g()
+function f() {
+    g()
+}
+try {
+    new f
+} catch (e) {}