| Index: src/proxy.js
 | 
| ===================================================================
 | 
| --- src/proxy.js	(revision 8174)
 | 
| +++ src/proxy.js	(working copy)
 | 
| @@ -60,8 +60,9 @@
 | 
|  }
 | 
|  
 | 
|  $Proxy.create = function(handler, proto) {
 | 
| -  if (!IS_SPEC_OBJECT(handler)) throw TypeError
 | 
| -  if (!IS_SPEC_OBJECT(proto)) proto = $Object.prototype
 | 
| +  if (!IS_SPEC_OBJECT(handler))
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| +    throw MakeTypeError("handler_non_object", ["create"])
 | 
| +  if (!IS_SPEC_OBJECT(proto)) proto = null  // Mozilla does this...
 | 
|    return %CreateJSProxy(handler, proto)
 | 
|  }
 | 
|  
 | 
| @@ -130,3 +131,7 @@
 | 
|      configurable: true});
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|    return true;
 | 
|  }
 | 
| +
 | 
| +function DerivedHasTrap(name) {
 | 
| +  return !!this.getPropertyDescriptor(name)
 | 
| +}
 | 
| 
 |