1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug827659-2.js b/js/src/jit-test/tests/ion/bug827659-2.js
new file mode 100644
index 000000000..f223a6a6d
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug827659-2.js
@@ -0,0 +1,15 @@
+function f(x) {
+    return x["__proto__"]
+}
+var res = 0;
+for each(a in [{}, null]) {
+    try {
+        f(a);
+	res += 20;
+    } catch (e) {
+	assertEq(e instanceof TypeError, true);
+	assertEq(e.message.indexOf("is null") > 0, true);
+	res += 50;
+    }
+}
+assertEq(res, 70);