1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/auto-regress/bug652177.js b/js/src/jit-test/tests/auto-regress/bug652177.js
new file mode 100644
index 000000000..324262d6a
--- /dev/null
+++ b/js/src/jit-test/tests/auto-regress/bug652177.js
@@ -0,0 +1,18 @@
+// Binary: cache/js-dbg-32-d5fcfa622f16-linux
+// Flags:
+//
+load(libdir + "immutable-prototype.js");
+
+Function.toLocaleString.__proto__ = null
+y = {}.__proto__
+y.p = function() {}
+y.__defineSetter__("", function() {})
+if (globalPrototypeChainIsMutable())
+    y.__proto__ = Function.toLocaleString;
+function b(a) {
+    this.__proto__ = a;
+    Object.freeze(this)
+}
+for each(z in []) {
+    new b
+}