1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testAddAnyInconvertibleObject.js b/js/src/jit-test/tests/basic/testAddAnyInconvertibleObject.js
new file mode 100644
index 0000000000..4a4b1d8575
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testAddAnyInconvertibleObject.js
@@ -0,0 +1,28 @@
+function testAddAnyInconvertibleObject()
+{
+  var count = 0;
+  function toString() { ++count; if (count == 95) return {}; return "" + count; }
+  var o = {valueOf: undefined, toString: toString};
+
+  var threw = false;
+  try
+  {
+    for (var i = 0; i < 100; i++)
+        var q = 5 + o;
+  }
+  catch (e)
+  {
+    threw = true;
+    if (i !== 94)
+      return "expected i === 94, got " + i;
+    if (q !== "594")
+      return "expected q === '594', got " + q + " (type " + typeof q + ")";
+    if (count !== 95)
+      return "expected count === 95, got " + count;
+  }
+  if (!threw)
+    return "expected throw with 5 + o"; // hey, a rhyme!
+
+  return "pass";
+}
+assertEq(testAddAnyInconvertibleObject(), "pass");