1 files changed, 8 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug601046.js b/js/src/jit-test/tests/basic/bug601046.js
new file mode 100644
index 000000000..45f3bf82e
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug601046.js
@@ -0,0 +1,8 @@
+// don't assert
+var f = function(){};
+for (var p in f);
+Object.defineProperty(f, "j", ({configurable: true, value: "a"}));
+Object.defineProperty(f, "k", ({configurable: true, value: "b"}));
+Object.defineProperty(f, "j", ({configurable: true, get: function() {}}));
+delete f.k;
+Object.defineProperty(f, "j", ({configurable: false}));