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POiOS App crashing before entering main() with Xcode 4.2 & iOS 5
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  1. POiOS App crashing before entering main() with Xcode 4.2 & iOS 5
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    copied!<h2>Background</h2> <p>After upgrading <a href="/questions/tagged/xcode4.1" class="post-tag" title="show questions tagged &#39;xcode4.1&#39;" rel="tag">xcode4.1</a>/<a href="/questions/tagged/ios4" class="post-tag" title="show questions tagged &#39;ios4&#39;" rel="tag">ios4</a> to <a href="/questions/tagged/xcode4.2" class="post-tag" title="show questions tagged &#39;xcode4.2&#39;" rel="tag">xcode4.2</a>/<a href="/questions/tagged/ios5" class="post-tag" title="show questions tagged &#39;ios5&#39;" rel="tag">ios5</a> I am experiencing crashes while the App is loading and <em>before</em> it even enters <code>main()</code>.</p> <p>I have set a break point in <code>main()</code> but it is never reached.</p> <p><img src="https://i.stack.imgur.com/lFyR8.png" alt="main() break point"></p> <ul> <li>Compiling the project in Xcode 4.1 with a <code>Base SDK</code> of 4.3 works fine on iOS 4.x and iOS 5.</li> <li>Compiling the same project in Xcode 4.2 with a <code>Base SDK</code> of 5.0 works fine on 4.x but crashes in iOS 5, both on the simulator and on a device.</li> </ul> <h2>Simulator Crash</h2> <p><img src="https://i.stack.imgur.com/69mCb.png" alt="iOS 5 Simulator LLDB Crash Xcode 4.2 Output"></p> <p>Crashes with <strong>EXC_BAD_ACCESS</strong></p> <p><img src="https://i.stack.imgur.com/GfsN2.png" alt="Stack calls"></p> <p>List of calls, all system calls, not even the <code>main()</code> has not been called yet.</p> <p><em>My best guess is a problem loading a library, but have know idea how to track it down!</em> </p> <h2>Attempts at a resolution</h2> <ol> <li>Turned on Zombies</li> <li>Turned on all logging</li> <li>Added different versions of system libraries (libz.1.2.5.dylib and libz.dylib)</li> <li>Cleaned the project</li> <li>Deleted the App form the simulator</li> <li>Delete the <code>Derived Data</code> folder</li> </ol>
 

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