1 files changed, 12 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug830049.js b/js/src/jit-test/tests/basic/bug830049.js
new file mode 100644
index 000000000..641134a27
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug830049.js
@@ -0,0 +1,12 @@
+// |jit-test| error: TypeError
+load(libdir + "immutable-prototype.js");
+
+Object.defineProperty(Object.prototype, "name",
+                      { set(v) { throw new TypeError("hit name"); },
+                        enumerable: true,
+                        configurable: true });
+
+function TestCase(n) {
+    this.name = n;
+}
+new TestCase();