title: Xcode 4.5 corrupting XIBs?
body: <p>i am using the new xcode 4.5,
  i have this lines of code on some view controller:</p>
  
  <pre><code>DiscoverCell* cell=[table dequeueReusableCellWithIdentifier:@"DiscoverCell"];
  if(cell==nil){
      NSArray *nib = [[NSBundle mainBundle] loadNibNamed:@"DiscoverCell" 
                                                   owner:self 
                                                 options:nil];
      cell = [nib objectAtIndex:0];
  } 
  </code></pre>
  
  <p>when i run the app its throwing: Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'The NIB data is invalid.'
  on the LoadNib line,
  what is that? does this xcode is some apple garbage?</p>