1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testThrowingObjectEqUndefined.js b/js/src/jit-test/tests/basic/testThrowingObjectEqUndefined.js
new file mode 100644
index 0000000000..5104c52ee7
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testThrowingObjectEqUndefined.js
@@ -0,0 +1,15 @@
+function testThrowingObjectEqUndefined()
+{
+  try
+  {
+    var obj = { toString: function() { throw 0; } };
+    for (var i = 0; i < 5; i++)
+      "" + (obj == undefined);
+    return i === 5;
+  }
+  catch (e)
+  {
+    return "" + e;
+  }
+}
+assertEq(testThrowingObjectEqUndefined(), true);