| Index: corelib/src/implementation/future_implementation.dart | 
| =================================================================== | 
| --- corelib/src/implementation/future_implementation.dart	(revision 891) | 
| +++ corelib/src/implementation/future_implementation.dart	(working copy) | 
| @@ -57,7 +57,7 @@ | 
| if (!isComplete) { | 
| throw new FutureNotCompleteException(); | 
| } | 
| -    if (_exception != null) { | 
| +    if (_exception !== null) { | 
| throw _exception; | 
| } | 
| return _value; | 
| @@ -92,7 +92,7 @@ | 
|  | 
| void _complete() { | 
| _isComplete = true; | 
| -    if (_exception != null) { | 
| +    if (_exception !== null) { | 
| for (Function handler in _exceptionHandlers) { | 
| if (handler(_exception)) { | 
| _exceptionHandled = true; | 
|  |