1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/non262/jit/regress-489682.js b/js/src/tests/non262/jit/regress-489682.js
new file mode 100644
index 0000000000..73a341b13b
--- /dev/null
+++ b/js/src/tests/non262/jit/regress-489682.js
@@ -0,0 +1,31 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 489682;
+var summary = 'TM: wrong number with nested type-unstable loops';
+var actual = '';
+var expect = '';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+
+var v = 0;
+
+for (var a of [0, {}, {}, {}]) {
+  print(v);
+  v = v >>> 0;
+  for (var b of [{}, {}, new String(''), 42, new String(''), {}, 42]) 
+           {
+           }
+         }
+print(v);
+
+
+expect = '0';
+actual = v + '';
+
+reportCompare(expect, actual, summary);