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 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");