1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/auto-regress/bug713209.js b/js/src/jit-test/tests/auto-regress/bug713209.js
new file mode 100644
index 0000000000..559cbfadfd
--- /dev/null
+++ b/js/src/jit-test/tests/auto-regress/bug713209.js
@@ -0,0 +1,24 @@
+// Binary: cache/js-dbg-32-c5b90ea7e475-linux
+// Flags: -m -n -a
+//
+load(libdir + "immutable-prototype.js");
+
+var save__proto__ = __proto__;
+if (globalPrototypeChainIsMutable())
+  __proto__ = save__proto__;
+
+function bar(x, y) {
+  return x + y;
+}
+function foo(x, y) {
+  var a = 0;
+  for (var i = 0; i < 1000; i++) {
+    a += (this.toString);
+    a += bar(x, y);
+    a = bar(x, (a));
+    a += bar(x, y);
+  }
+  return a;
+}
+var q = foo(0, 1);
+print(q.toString());