1 files changed, 10 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/jaeger/bug678234.js b/js/src/jit-test/tests/jaeger/bug678234.js
new file mode 100644
index 0000000000..52a421553a
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/bug678234.js
@@ -0,0 +1,10 @@
+a = {}
+function f(o) {
+    for (x in o) {
+        print
+    }
+}
+for (var i = 0; i < 3; i++) {
+    new f(a)
+    a.__proto__ = null
+}