title: Missing required architecture arm64 in file issue when update Xcode to 7.3
body: <p>Today i updated <code>XCode to 7.3</code>,and my project can not build success any more.But i can build success on <code>Xcode 7.2</code></p>
  
  <p>And i got following message:</p>
  
  <blockquote>
    <p>ld: in '/System/Library/PrivateFrameworks/UIFoundation.framework/UIFoundation', missing required architecture arm64 in file /System/Library/PrivateFrameworks/UIFoundation.framework/UIFoundation (2 slices) for architecture arm64
    clang: error: linker command failed with exit code 1 (use -v to see invocation)</p>
  </blockquote>
  
  <p>Any help appreciated!</p>