1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug654073.js b/js/src/jit-test/tests/basic/bug654073.js
new file mode 100644
index 000000000..7659d534b
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug654073.js
@@ -0,0 +1,11 @@
+load(libdir + "immutable-prototype.js");
+
+if (globalPrototypeChainIsMutable()) {
+  this.__proto__ = null;
+  Object.prototype.__proto__ = this;
+}
+
+for (var y in Object.prototype)
+  continue;
+for (var x in this)
+  continue;