title: Xcode linker error: file too small for architecture x86_64
body: <p>I'm developing an application in Xcode.</p>
  
  <p>When I try to build, this error comes up:</p>
  
  <pre><code>ld: in /Users/theodore/Library/Developer/Xcode/DerivedData/Tower-bkpdifuqssebjdgurzmtirbxejnn/Build/Intermediates/Tower.build/Debug/Tower.build/Objects-normal/x86_64/TWRAppDelegate.o, file too small for architecture x86_64
  clang: error: linker command failed with exit code 1 (use -v to see invocation)
  </code></pre>
  
  <p>Does anyone know what's wrong?</p>