I'm moving part of my projects to iOS 5 / ARC. One of the oldest project (iOS 4.2, armv6 for support iPod Touch 2g) is giving to me:

dyld`dyld_fatal_error:
0x8feb1070:  int3   
0x8feb1071:  nop

Just after the launch image but before going to main. Must be some lib/code updated to iOS 5, but which one? Is possible to use a better method than guess??

ios5 ios4 crash xcode4.2 automatic-ref-counting
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