1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/closures/bug684178.js b/js/src/jit-test/tests/closures/bug684178.js
new file mode 100644
index 000000000..34a59c5fb
--- /dev/null
+++ b/js/src/jit-test/tests/closures/bug684178.js
@@ -0,0 +1,9 @@
+var obj = {};
+(function() {
+    if (obj) {
+        function f() { obj.x = 1; }
+        obj.m = function() { f(); };
+    }
+})();
+obj.m();
+assertEq(obj.x, 1);