title: GM release of Xcode 6 compile
body: <p>I just downloaded the GM release of Xcode 6 and it won't compile with this error:</p>
  
  <pre><code>Command /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc failed with exit code 1
  </code></pre>
  
  <p>Any ideas on how to fix this?</p>