1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug1246552.js b/js/src/jit-test/tests/ion/bug1246552.js
new file mode 100644
index 0000000000..3a4aa7c8b0
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug1246552.js
@@ -0,0 +1,11 @@
+
+var t = 0;
+var y = [];
+y.toString = (function() { t += 1 });
+function test() {
+    for (var i = 0; i < 14; i++) {
+        String.prototype.sup.call(y);
+    }
+}
+test();
+assertEq(t, 14);