1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug657225.js b/js/src/jit-test/tests/basic/bug657225.js
new file mode 100644
index 0000000000..510b768515
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug657225.js
@@ -0,0 +1,9 @@
+
+function reportCompare(expected, actual, description) { return  + ++actual + "'"; }
+var summary = 'Object.prototype.toLocaleString() should track Object.prototype.toString() ';
+var o = {
+    toString: function () {}
+};
+expect = o;
+actual = o.toLocaleString();
+reportCompare(expect, actual, summary);