title: Swift compiler error on Xcode 6
body: <p>I have problems with Swift Compiler:
  I created new project for iOs on latest Xcode 6 and tried to build - recieved 2 errors with ViewController.swift and AppDelegate.swift. </p>
  
  <pre><code>&lt;unknown&gt;:0: error: unable to execute command: Segmentation fault: 11
  &lt;unknown&gt;:0: error: swift frontend command failed due to signal (use -v to see invocation)
  &lt;unknown&gt;:0: error: unable to execute command: Bus error: 10 
  &lt;unknown&gt;:0: error: swift frontend command failed due to signal (use -v to see invocation)
  </code></pre>
  
  <p>I can post a full logs if if it is necessary.</p>
  
  <p>What should i do? Thanks.</p>